As filed with the Securities and Exchange Commission on May 13, 2019.
Registration No. 333-231041              
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
 
AMENDMENT NO. 1 TO
FORM S-1
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
 
Slack Technologies, Inc.
(Exact Name of Registrant as Specified in Its Charter)
 
Delaware
7372
26-4400325
(State or Other Jurisdiction of
Incorporation or Organization)
(Primary Standard Industrial
Classification Code Number)
(I.R.S. Employer
Identification Number)
500 Howard Street
San Francisco, California 94105
(855) 980-5920
(Address, Including Zip Code, and Telephone Number, Including
Area Code, of Registrant’s Principal Executive Offices)
 
Stewart Butterfield
Chief Executive Officer
Slack Technologies, Inc.
500 Howard Street
San Francisco, California 94105
(855) 980-5920
(Name, address, including zip code, and telephone number, including
area code, of agent for service)
 
Copies to:
Richard A. Kline
David W. Van Horne
Sarah B. Axtell
Goodwin Procter LLP
Three Embarcadero Center
San Francisco, California 94111
(650) 752-3100
David Schellhase
Gabe Stern
Amanda Westendorf
Slack Technologies, Inc.
500 Howard Street
San Francisco, California 94105
(855) 980-5920
Approximate date of commencement of proposed sale to the public:
As soon as practicable after this registration statement becomes effective.
If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act, check the following box:   x
If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.   ☐
If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ☐
If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.  ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer ☐
Accelerated filer ☐
Non-accelerated filer  x
Smaller reporting company ☐
 
Emerging growth company x
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐
 
CALCULATION OF REGISTRATION FEE
Title of Each Class of Securities to be Registered
Amount to be Registered
Proposed Maximum
Offering Price Per Share
Proposed Maximum
Aggregate Offering Price
(1)
Amount of Registration Fee (2)
Class A Common Stock, $0.0001 par value per share
 
Not applicable
$100,000,000
$12,120
(1)
Estimated solely for purposes of calculating the registration fee pursuant to Rule 457(f)(2) of the Securities Act.
(2)
The registrant previously paid $12,120 of the registration fee with the initial filing of this registration statement.
 
The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until the registration statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.
 




The information in this prospectus is not complete and may be changed. The securities may not be sold until the Registration Statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.
Subject to Completion, dated          , 2019 
SLACK TECHNOLOGIES, INC.
SLACKLOGOA04.JPG
          Shares of Class A Common Stock
____________________________________________________________________________
This prospectus relates to the registration of the resale of up to          shares of our Class A common stock by our stockholders identified in this prospectus, or the Registered Stockholders. Unlike an initial public offering, the resale by the Registered Stockholders is not being underwritten by any investment bank. The Registered Stockholders may, or may not, elect to sell their shares of Class A common stock covered by this prospectus, as and to the extent they may determine. Such sales, if any, will be made through brokerage transactions on the New York Stock Exchange, or the NYSE. See the section titled “Plan of Distribution.” If the Registered Stockholders choose to sell their shares of Class A common stock, we will not receive any proceeds from the sale of shares of Class A common stock by the Registered Stockholders.
We have two classes of common stock, Class A common stock and Class B common stock. The rights of holders of Class A common stock and Class B common stock are identical, except voting and conversion rights. Each share of Class A common stock is entitled to one vote. Each share of Class B common stock is entitled to 10 votes and is convertible at any time into one share of Class A common stock. The holders of our outstanding Class B common stock hold approximately     % of the voting power of our outstanding capital stock, with our directors and executive officers and their affiliates holding approximately     %.
Prior to any sales of shares of Class A common stock, Registered Stockholders who hold Class B common stock must convert their shares of Class B common stock into shares Class A common stock.
No public market for our Class A common stock currently exists. However, our shares of Class B common stock (on an as converted basis) have a history of trading in private transactions. Based on information available to us, the low and high sales price per share of Class B common stock (on an as converted basis) for such private transactions during the year ended January 31, 2019 was $8.37 and $23.41, respectively, and during the period from February 1, 2019 through          , 2019 was $          and $          , respectively. For more information, see the section titled “Sale Price History of our Capital Stock.” Our recent trading prices in private transactions may have little or no relation to the opening public price of our shares of Class A common stock on the NYSE or the subsequent trading price of our shares of Class A common stock on the NYSE. Further, the listing of our Class A common stock on the NYSE without underwriters is a novel method for commencing public trading in shares of our Class A common stock, and consequently, the trading volume and price of shares of our Class A common stock may be more volatile than if shares of our Class A common stock were initially listed in connection with an underwritten initial public offering.
Based on information provided by the NYSE, the opening public price of our Class A common stock on the NYSE will be determined by buy and sell orders collected by the NYSE from broker-dealers. Based on such orders, the designated market maker will determine an opening price for our Class A common stock in consultation with a financial advisor pursuant to applicable NYSE rules. For more information, see the section titled “Plan of Distribution.”
We have applied to list our Class A common stock on the NYSE under the symbol “SK.” We expect our Class A common stock to begin trading on the NYSE on or about          , 2019.
We are an “emerging growth company” as defined under the federal securities laws and, as such, we have elected to comply with reduced reporting requirements for this prospectus and may elect to do so in future filings.
See the section titled “ Risk Factors ” beginning on page 14  to read about factors you should consider before buying shares of our Class A common stock.
The Securities and Exchange Commission and state securities regulators have not approved or disapproved these securities, or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.
           , 2019




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TABLE OF CONTENTS
_______________
You should rely only on the information contained in this prospectus or contained in any free writing prospectus filed with the Securities and Exchange Commission, or the SEC. Neither we nor any of the Registered Stockholders have authorized anyone to provide any information or make any representations other than those contained in this prospectus or in any free writing prospectus we have prepared. We take no responsibility for, and can provide no assurance as to the reliability of, any other information that others may give you. The Registered Stockholders are offering to sell, and seeking offers to buy, shares of their Class A common stock only in jurisdictions where offers and sales are permitted. The information contained in this prospectus is accurate only as of the date of this prospectus, regardless of the time of delivery of this prospectus or of any sale of the Class A common stock. Our business, financial condition, results of operations, and prospects may have changed since such date.
For investors outside of the United States: Neither we nor any of the Registered Stockholders have done anything that would permit the use of or possession or distribution of this prospectus in any jurisdiction where action for that purpose is required, other than in the United States. You are required to inform yourselves about, and to observe any restrictions relating to, the offering of Class A common stock by the Registered Stockholders and the distribution of this prospectus outside of the United States.




ABOUT THIS PROSPECTUS
This prospectus is a part of a registration statement on Form S-1 that we filed with the SEC using a “shelf” registration or continuous offering process. Under this shelf process, the Registered Stockholders may, from time to time, sell the Class A common stock covered by this prospectus in the manner described in the section titled “Plan of Distribution.” Additionally, we may provide a prospectus supplement to add information to, or update or change information contained in, this prospectus, including the section titled “Plan of Distribution.” You may obtain this information without charge by following the instructions under the section titled “Additional Information” appearing elsewhere in this prospectus. You should read this prospectus and any prospectus supplement before deciding to invest in our Class A common stock.

i



PROSPECTUS SUMMARY
This summary highlights selected information that is presented in greater detail elsewhere in this prospectus. This summary does not contain all of the information you should consider before investing in our Class A common stock. You should read this entire prospectus carefully, including the sections titled “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and the related notes included elsewhere in this prospectus, before making an investment decision. Unless the context otherwise requires, the terms “Slack,” “the company,” “we,” “us” and “our” in this prospectus refer to Slack Technologies, Inc. and its consolidated subsidiaries. Our fiscal year ends January 31.
SLACK TECHNOLOGIES, INC.
Introduction – What is Slack?
Slack is where work happens.
Around the world, over 600,000 organizations in over 150 countries have turned to Slack as the place to communicate, collaborate, and get work done. Over 10 million people inside those organizations – accountants, customer support reps, engineers, lawyers, journalists, dentists, chefs, detectives, executives, scientists, farmers, hoteliers, salespeople, and many others – collectively spend more than 50 million hours in active use of Slack in a typical week, on either a free or paid subscription plan. They do so because Slack is a new layer of the business technology stack that brings together people, applications, and data – a single place where people can effectively work together, access hundreds of thousands of critical applications and services, and find important information to do their best work.
History
We created Slack initially as an internal tool to help our own team stay on the same page, to be able to easily access conversations, decisions, data, and content that had been shared, and to tap into a variety of software applications from one place. We were frustrated with email. It created fragmented silos of inaccessible information, hidden in individual inboxes. When new members joined the team, they were cut off from the rich history of communication that occurred before they arrived. Transparency was difficult to achieve and routine communication had to be supplemented with status reports and stand-up meetings in order to keep the team coordinated.
In addition, despite the fact that email was the universal default routing mechanism for enterprise software, it was also an ineffective medium for sharing and managing the information and activity generated by that software. The notifications and simple workflows, such as approval processes, generated by customer support ticketing tools, human resources management systems, and expense trackers, disappeared into individual inboxes. Email is static and offers no direct integration with any of these tools. In short, email was a tiny window into the vast landscape of business information and software available to us collectively, and we needed to see the whole picture.
We needed a new way to work that would help us make the most of both our people and our significant investment in software. What was available was incomplete, inadequate, and unfit for our work at hand. What we needed did not exist. So we built it.
Since our public launch in 2014, it has become apparent that organizations worldwide have similar needs, and are now finding the solution with Slack. Our growth is largely due to word-of-mouth recommendations. Slack usage inside organizations of all kinds is typically initially driven bottoms-up, by end users. Despite this, we (and the rest of the world) still have a hard time explaining Slack. It’s been called an operating system for teams, a hub for collaboration, a connective tissue across the organization, and much else. Fundamentally, it is a new layer of the business technology stack in a category that is still being defined.
Slack’s Role
The most helpful explanation of Slack is often that it replaces the use of email inside the organization. Like email (or the Internet or electricity), Slack has very general and broad applicability. It is not aimed at any one specific purpose, but nearly anything that people do together at work.

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Unlike email, however, most of this activity happens in team-based channels, rather than in individual inboxes. Channels offer a persistent record of the conversations, data, documents, and application workflows relevant to a project or a topic. Membership of a channel can change over time as people join or leave a project or organization, and users benefit from the accumulated historical information in a way an employee never could when starting with an empty email inbox. Depending on the size of the organization, this might provide tens, hundreds or even thousands of times more access to information than is available to individuals working in environments where email is the primary means of communication.
Also unlike email, Slack was designed from the ground up to integrate with external software systems. Slack provides an easy way for users to share and aggregate information from other software, take action on notifications, and advance workflows in a multitude of third-party applications, over 1,500 of which are listed in the Slack App Directory. Further, Slack’s platform capabilities extend beyond integrations with third-party applications and allow for easy integrations with an organization’s internally-developed software. During the three months ended January 31, 2019, our more than 10 million daily active users included more than 500,000 registered developers. Developers have collectively created more than 450,000 third-party applications or custom integrations that were used in a typical week during the three months ended January 31, 2019. Additionally, we are currently developing low-code solutions to create integrations and workflows entirely in Slack, suitable for all users and based on a simple, non-technical user interface .
Ultimately, Slack is more than email replacement. It is a new layer of technology that brings together people, applications, and data. Just as an operating system coordinates the flow of information and resources of a computer in a centralized fashion, using Slack inside an organization creates a hub into which critical business information flows, is acted upon and transformed, and is then quickly routed to its desired destination. Slack streamlines our users’ workflows, increases the beneficial return on the time they spend communicating, and creates a powerful point of leverage for increased productivity.
Business Context
We believe Slack is positioned extremely well to benefit from the explosive proliferation of software into every aspect of business and the increased pace of disruption driven by technological change.
According to Netskope, a typical enterprise uses more than 1,000 cloud services. Many of the largest IT departments maintain thousands of enterprise applications. All of this software either automates the repetitive and often error-prone work that humans used to do or augments human effort with entirely new capabilities.
With the simpler and more routine tasks automated away, the work that remains is more sophisticated and complex. Those tasks, which most rely on human judgment, intelligence, and creativity, are both more difficult to perform and more difficult to coordinate. Organizational alignment becomes harder to achieve. Further, the increased use of highly specialized software in different functional areas leads to a fragmentation of attention and, because it is often difficult to share objects or records with non-users, impedes the flow of important information across the organization.
These challenges compound the disruptive threats companies face in increasingly dynamic environments. Technological change and increased globalization continually create new opportunities and threats, but they also accelerate second-order change in customer needs, competitors’ behavior, and overall macroeconomic conditions. This environment demands an ever-greater ability to adapt and respond . In an increasingly dynamic world, the fundamental business advantage is organizational agility the ability for individuals, teams, and organizations to maintain alignment while continually transforming to meet evolving challenges.

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How Slack Helps
Slack is designed to allow people and teams to realize their full potential at work and, in doing so, to help organizations overcome the challenges created by their increased reliance on a proliferation of specialized software and radically reduce the communication and coordination effort required to achieve a given amount of organizational agility.
Our vision is a world where organizational agility is easy to achieve, regardless of an organization’s size
As a result of the alignment teams and organizations are able to maintain while continuously adapting to respond in increasingly dynamic environments, less effort and energy is wasted and the human beings on those teams are able to fully utilize their intelligence and creativity in pursuit of the organization’s shared objectives.
Slack makes existing software more useful and accessible
As a flexible platform for routing information of all kinds , Slack integrates horizontally with thousands of other applications, from those provided by companies like Google, Salesforce, ServiceNow, Atlassian, and Dropbox to the proprietary line-of-business applications developed by organizations for their own internal use. This functionality enables users to securely interact with all of these applications in one familiar user interface . We enable organizations that use Slack to get more out of their software investment.
Slack drives increased organizational agility
As a new layer of business technology that brings together an organization’s people, applications, and data, Slack improves organizational alignment. In a December 2018 survey that we conducted with more than a thousand U.S.-based users who had been using Slack for at least one month, which we refer to as our 2018 Survey, 87% reported that Slack improved communication and collaboration inside their organization.
Summary of Key Benefits
Working in Slack provides several key benefits to users, teams, and organizations and to our platform ecosystem:
People love using Slack and that leads to high levels of engagement. Slack is enterprise software created with an eye for user experience usually associated with consumer products. We believe that the more simple, enjoyable, and intuitive the product is, the more people will want to use it. As a result, teams benefit from the aggregated attention that happens when all members of a team are engaged in a single collaboration tool.
Slack increases an organization’s “return on communication.” Moving to channel-based communication increases accessibility of communication, which in turn increases transparency and breaks down silos. The organization benefits from increased coordination and alignment from a given amount of communication, with no additional effort in the form of status reports, update meetings, and so on.
Slack increases the value of existing software investment . Integration with Slack increases both the accessibility of information inside applications and the response times for many basic actions. Because Slack users can do virtually everything on Slack on mobile that they can do on desktop, they do not need to have dozens of work applications on their mobile devices to be able to make lightweight use of those applications on the go.
An organization’s archive of data increases in value over time. As teams continue to use Slack, they build a valuable resource of widely accessible information. Important messages are surrounded by useful context and users can see how fellow team members created and worked with the information and arrived at a decision. New employees can have instant access to the information they need to be effective whenever they join a new team or company. Finally, the content on Slack is available through powerful search and discovery tools, powered by machine learning, which improve through usage.
Slack helps organizations improve culture and employees’ feelings of empowerment. When every member of a team learns from, and contributes towards, common goals, people feel they have greater influence over

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the ultimate outcomes of their work. By keeping all team members in the information flow, we believe that Slack increases this sense that members of a team can have an impact and make a difference and that creates greater team cohesion and increases motivation.
Slack helps achieve organizational agility . Slack’s channels immerse workers directly into the dynamic and evolving communication, decision making, and data flow that defines modern work. Because workers have both more access to data updated in real time and more context for that data, they are better able to quickly react and adjust work streams in response to new business priorities or changing conditions while staying in alignment with one another.
Developers are better able to reach and deliver value to their customers . Slack has aggregated hundreds of thousands of organizations on one platform and made it easier for developers to distribute their software to any Slack-using organization. By making information from their applications available and allowing users to perform key actions through a whole new interface, developers can make their customers happier and more engaged.
We believe that whoever makes it easiest for teams to function with agility and cohesion in an ever more complex world will be the most important software company in the world. We aim to be that company.
Our Business Model
From the outset, our go-to-market strategy has centered around offering an exceptional product and level of service to organizations on Slack. We offer a self-service approach, for b oth free and paid subscriptions to Slack, which capitalizes on strong word-of-mouth adoption and customer love for our brand. Since 2016, we have augmented our approach with a direct sales force and customer success professionals who are focused on driving successful adoption and expansion within organizations, whether on a free or paid subscription plan.
We define daily active users as users who either created or consumed content in a given 24-hour period on either a free or paid subscription plan. We define an organization on Slack as a separate entity, such as a company, educational or government institution, or distinct business unit of a company, that is on a subscription plan, whether free or paid. Once an organization has three or more users on a paid subscription plan, we count them as a Paid Customer.
Our user base has grown rapidly since our launch in 2014. During the three months ended January 31, 2019, our daily active users exceeded 10 million. As of January 31, 2019, Slack had more than 600,000 organizations with three or more users, comprised of:
More than 88,000 Paid Customers, including more than 65 companies in the Fortune 100; and
More than 500,000 organizations on our Free subscription plan.
Many of our Paid Customers have thousands of active users and our largest Paid Customers have tens of thousands of employees using Slack on a daily basis.
Our users, whether on a free or paid subscription plan, are highly engaged, and their collective active use of Slack for the week ended January 31, 2019 exceeded 50 million hours. During the week ended January 31, 2019, more than 1 billion messages were sent in Slack. During this same time, on a typical workday, users at Paid Customers averaged nine hours connected to Slack through at least one device and spent more than 90 minutes actively using Slack.
Our direct sales and customer success efforts are focused on larger organizations who have a greater number of users and teams and have the potential to increase spend over time. We measure the number of Paid Customers >   $100,000 of annual recurring revenue, or ARR, as a gauge of adoption within and expansion into large enterprises. We had 575 Paid Customers >$100,000 of ARR as of January 31, 2019, which accounted for approximately 40% of our revenue in fiscal year 2019 .
We generate revenue primarily from the sale of subscriptions for Slack. Paid customers typically pay on a monthly or annual basis, based on the number of users that they have on Slack.

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Our reven ue was $105.2 million, $220.5 million, and $400.6 million in fiscal years 2017, 2018, and 2019, respectively, representing annual growth of 110% and 82%, respectively. Our growth is global with international revenue representing 34%, 34%, and 36% of total revenue in fiscal years 2017, 2018, and 2019, respectively. We continue to invest in growing our business to capitalize on our market opportunity. As a result, we incurred net losses of $146.9 million, $140.1 million, and $138.9 million in fiscal years 2017, 2018, and 2019, respectively. Our net losses have been decreasing as a percentage of revenue over time as revenue growth has outpaced the growth in operating expenses.
Expansion within organizations on Slack is a significant contributor to our growth. We measure the rate of expansion within our Paid Customer base, both sales-driven and through organic growth, by Net Dollar Retention Rate. Our Net Dollar Retention Rate was 143% as of January 31, 2019. We believe that our Net Dollar Retention Rate is a reflection of the rapid pace of adoption that often occurs as usage spreads within and across teams. We believe that all of these factors will contribute to a high lifetime value of an organization on Slack. For a definition of how we calculate Net Dollar Retention Rate and additional information about our key business metrics, see the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Key Business Metrics.”
What Sets Us Apart
Singular focus
Our development, design, partnerships, customer engagement, and investments are targeted at realizing the enormity and simplicity of Slack’s singular mission: to make people’s working lives simpler, more pleasant, and more productive. We have no legacy products or competing priorities.
Scale and market leadership
The strength of our market leadership is demonstrated by the scale and growth of our users, the high level of engagement within our user base, our growth within organizations, the breadth of applications that integrate with Slack, and the size of our developer ecosystem.
Strong increasing returns dynamics
As Slack usage increases inside an organization, more value is created for each additional user who might join, as well as for all existing users. We believe shared channels between organizations will increase the value of the overall Slack network for each new organization that joins as well as for all existing network members. Slack also generates more value for developers as more users and more organizations join Slack, and users and organizations are more attracted to Slack as more apps are integrated into or built on our platform.
Customer love leading to stickiness and organic expansion
People love using Slack and many become advocates for wider use inside of their organizations. They also tend to recommend Slack when they switch jobs or join organizations that are not yet using Slack. This customer love is a source of growth that is exceptional in enterprise software.
Differentiated go-to-market strategy
Organic growth is generated as users realize the benefits of Slack. This growth enables us to attract new and prospective organizations through a highly effective self-service customer engagement model for free and paid subscription plans. We complement our self-service strategy with a focused direct sales effort and our customer success teams work to broaden adoption of Slack into wider-scale deployments.

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Customer-centricity as the fundamental tenet of our company
We build our software and user interface around the real needs of human beings. We focus maniacally on customer support for free and paid subscription plans and treat it as a critical and strategic imperative for our company. We believe people should leave every interaction with a Slack representative feeling that they have been heard, respected, and helped by a human being who truly understands Slack .
Market Opportunity
We believe everyone whose working life is mediated by email is a potential Slack user. Indeed, because of the universal need for organizational agility and the impact to current and potential organizations on Slack of getting more out of their investment in software, we further believe that the shift to Slack, or services like Slack, is inevitable. We estimate the market opportunity for Slack and other providers of workplace business technology software platforms for communication and collaboration to be $28 billion. As our market and the number of competitors in it is rapidly evolving, our estimates for the size of this market may not be reflective of the actual size of the market.
Growth Strategy
We intend to continue to grow by the following means:
Expand our user base through continuous enhancements to Slack
We will continue a relentless focus on product design and new user experience to reach more users and organizations .
Grow the number of organizations on Slack and increase our paid customers
We believe our market remains underpenetrated and we will continue to expand our marketing and sales efforts to reach more users and organizations and to increase the number of paid customers.
Increase usage within organizations on Slack
We plan to continue to grow use and users within organizations on Slack by increasing our investments in our direct sales force, customer success, and customer experience teams, along with new user education initiatives .
Enable Slack usage across existing and new business networks
Slack’s guest accounts and shared channels features facilitate secure collaboration between companies and we believe adoption of these features will grow significantly in the coming years. We expect the associated network effects will increase the value of Slack both for existing and new organizations on Slack and will be an important factor in our future growth.
Further invest in enterprise capabilities
We intend to increase investments in marketing, expand our field sales team, and continue to build product functionality in order to drive greater adoption of Slack by large organizations.
Invest in international expansion
We plan to open offices and hire sales and customer experience people in additional countries and expand our presence in countries where we already operate.
Grow our application platform and developer ecosystem
We will continue investing to expand the number of developers building applications that integrate with Slack and to make Slack work with an increasing number of third-party and internally developed custom applications .

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Leverage artificial intelligence, machine learning and advanced search
We believe that there is a significant opportunity to further streamline people’s working lives by automating workflows , and we intend to continue to invest in our research and development efforts in artificial intelligence, machine learning, and search capabilities.
Estimated Preliminary Results for the Three Months Ended April 30, 2019 (unaudited)
Set forth below are certain estimated preliminary financial results and other key business metrics for the three months ended April 30, 2019. These ranges are based on the information available to us at this time. We have provided ranges, rather than specific amounts, because these results are preliminary. Our actual results may vary from the estimated preliminary results presented here due to the completion of our financial closing procedures, final adjustments and other developments that may arise between now and the time the financial results for the three months ended April 30, 2019 are finalized.
These are forward-looking statements and may differ from actual results. These estimates should not be viewed as a substitute for our full interim or annual financial statements prepared in accordance with GAAP. Accordingly, you should not place undue reliance on this preliminary data. See the section titled “Special Note Regarding Forward-Looking Statements.” These estimated preliminary results should be read in conjunction with the sections titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Selected Consolidated Financial Data and Other Data” and our consolidated financial statements and related notes included elsewhere in this prospectus.
 
Three Months Ended
 
April 30,
2018
 
April 30, 2019
 
 
Low
 
High
 
(Dollars in thousands)
Financial Information:
 
 
 
 
 
Revenue
$
80,919

 
$
133,800

 
$
134,800

Loss from operations
$
(26,328
)
 
$
(39,400
)
 
$
(38,400
)
Calculated Billings
$
102,080

 
$
147,700

 
$
149,700

Net Dollar Retention Rate
149
%
 
138%
For the three months ended April 30, 2019, we expect revenue to be between $133.8 million and $134.8 million , as compared to revenue of $80.9 million for the three months ended April 30, 2018, an increase of 66% at the midpoint. The increase in revenue was primarily due to expansion within our existing Paid Customers as reflected by our expected Net Dollar Retention Rate of 138% as of April 30, 2019, and the addition of new Paid Customers.
For the three months ended April 30, 2019, we expect loss from operations to be between $39.4 million and $38.4 million , as compared to loss from operations of $26.3 million for the three months ended April 30, 2018. The increase in loss from operations reflects an increase in operating expenses to support the growth and expansion of our business and continued investment in product development.
For the three months ended April 30, 2019, we expect Calculated Billings to be between $147.7 million and $149.7 million , as compared to Calculated Billings of $102.1 million for the three months ended April 30, 2018, an increase of 46% at the midpoint. The increase in Calculated Billings is primarily due to higher sales of subscriptions to both our existing and new Paid Customers .

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The following table reconciles revenue to Calculated Billings:
 
Three Months Ended
 
April 30,
2018
 
April 30, 2019
 
 
Low
 
High
 
(In thousands)
Revenue
$
80,919

 
$
133,800

 
$
134,800

Add: Total deferred revenue, end of period
146,614

 
255,773

 
256,773

Less: Total deferred revenue, beginning of period
(125,453
)
 
(241,873
)
 
(241,873
)
Calculated Billings
$
102,080

 
$
147,700

 
$
149,700

As of April 30, 2019, we expect our Net Dollar Retention Rate to be 138%, as compared to our Net Dollar Retention Rate of 149% as of April 30, 2018. The decrease in Net Dollar Retention Rate reflects growth in our base of revenue and our penetration within existing, long-term Paid Customers has increased.
See the sections titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations— Key Business Metrics and—Non-GAAP Financial Measures” for more information on Calculated Billings and Net Dollar Retention Rate.
This data has been prepared by, and is the responsibility of, management. Our independent registered public accounting firm, KPMG LLP, has not audited, reviewed, or performed any procedures with respect to the estimated preliminary financial results. Accordingly, KPMG LLP does not express an opinion or any other form of assurance with respect thereto.
Risk Factors Summary
Our business is subject to numerous risks and uncertainties, including those highlighted in the section titled “Risk Factors.” These risks include, but are not limited to, the following:
We have a limited operating history, which makes it difficult to forecast our revenue and evaluate our business and future prospects.
We have a history of net losses, we anticipate increasing operating expenses in the future, and we may not be able to achieve and, if achieved, maintain profitability.
We have experienced rapid growth in recent periods and our recent growth rates may not be indicative of our future growth.
If we fail to manage our growth effectively, we may be unable to execute our business plan or maintain high levels of service and customer satisfaction.
We may experience quarterly fluctuations in our results of operations due to a number of factors that make our future results difficult to predict and could cause our results of operations to fall below analyst or investor expectations.
Real or perceived errors, failures, vulnerabilities, or bugs in Slack could harm our business, results of operations, and financial condition.
The market and software categories in which we participate are competitive, new, and rapidly changing, and if we do not compete effectively with established companies as well as new market entrants our business, results of operations, and financial condition could be harmed.
If we are unable to attract new users and organizations, convert users of and organizations on our free version into paid customers, grow or maintain our Net Dollar Retention Rate, expand usage within organizations on Slack, and sell premium subscription plans or develop new features, integrations, capabilities, and enhancements that achieve market acceptance, our revenue growth and profitability will be harmed.

8



Our ability to introduce new f eatures, integrations, capabilities, and enhancements is dependent on adequate research and development resources. If we do not adequately fund our research and development efforts, or if our research and development investments do not translate into material enhancements to Slack, we may not be able to compete effectively and our business, results of operations, and financial condition may be harmed.
If there are interruptions or performance problems associated with the technology or infrastructure used to provide Slack, organizations on Slack may experience service outages, other organizations may be reluctant to adopt Slack, and our reputation could be harmed.
A security incident may allow unauthorized access to our systems, networks, or data or the data of organizations on Slack, harm our reputation, create additional liability, and harm our financial results.
Any actual or perceived failure by us to comply with privacy, data protection, information security, consumer privacy, data residency, or telecommunications laws, regulations, government access requests, and obligations in one or multiple jurisdictions could result in proceedings, actions, or penalties against us and could harm our business and reputation. These laws are uncertain, evolving, and interpreted and applied in different ways in different countries and, as a result, our legal obligations in different countries, and our efforts to comply with those legal obligations, may be inadequate or in conflict.
Our listing differs significantly from an underwritten initial public offering.
The public price of our Class A common stock may be volatile, and could, upon listing on the NYSE, decline significantly and rapidly.
The dual class structure of our common stock has the effect of concentrating voting control with those stockholders who held our capital stock prior to the listing of our Class A common stock on the NYSE, including our directors, executive officers and their respective affiliates, who will hold in the aggregate          % of the voting power of our capital stock upon the effectiveness of the registration statement of which this prospectus forms a part. This ownership will limit or preclude your ability to influence corporate matters, including the election of directors, amendments of our organizational documents, and any merger, consolidation, sale of all or substantially all of our assets, or other major corporate transaction requiring stockholder approval.
None of our stockholders are party to any contractual lock-up agreement or other contractual restrictions on transfer. Following our listing, sales of substantial amounts of our Class A common stock in the public markets or the perception that sales might occur, could cause the market price of our Class A common stock to decline.
Channels for Disclosure of Information
Investors, the media, and others should note that, following the effectiveness of the registration statement of which this prospectus forms a part, we intend to announce material information to the public through filings with the SEC, the investor relations page on our website, blog posts on our website, press releases, public conference calls, webcasts, our twitter feed (@SlackHQ), our Facebook page, and our LinkedIn page.
The information disclosed by the foregoing channels could be deemed to be material information. As such, we encourage investors, the media, and others to follow the channels listed above and to review the information disclosed through such channels.
Any updates to the list of disclosure channels through which we will announce information will be posted on the investor relations page on our website.
Corporate Information
We were incorporated in 2009 as Tiny Spec, Inc., a Delaware corporation. Later in 2009, we changed our name to Tiny Speck, Inc. and, in 2014, we changed our name to Slack Technologies, Inc. Our principal executive offices are located at 500 Howard Street, San Francisco, California 94105, and our telephone number is (855) 980-5920. Our website address is www.slack.com. Information contained on or that can be accessed through our website does not

9



constitute part of this prospectus and the inclusion of our website address in this prospectus is an inactive textual reference only.
“Slack” is our registered trademark in the United States, Australia, Brazil, Canada, the European Union, Japan, Mexico, New Zealand, Russia, and South Korea. Other trademarks and trade names referred to in this prospectus are the property of their respective owners.
Emerging Growth Company
The Jumpstart Our Business Startups Act, or the JOBS Act, was enacted in April 2012 with the intention of encouraging capital formation in the United States and reducing the regulatory burden on newly-public companies that qualify as “emerging growth companies.” We are an “emerging growth company” within the meaning of the JOBS Act. As an “emerging growth company,” we intend to take advantage of certain exemptions from various public reporting requirements, including the requirement that our internal control over financial reporting be audited by our independent registered public accounting firm pursuant to Section 404 of the Sarbanes-Oxley Act of 2002, or the Sarbanes-Oxley Act, certain requirements related to the disclosure of executive compensation in this prospectus and in our periodic reports and proxy statements, and the requirement that we hold a non-binding advisory vote on executive compensation and any golden parachute payments. We may take advantage of these exemptions until we are no longer an “emerging growth company.”
In addition, under the JOBS Act, “emerging growth companies” can delay adopting new or revised accounting standards until such time as those standards apply to private companies. We intend to avail ourselves of this exemption from new or revised accounting standards. Accordingly, we will not be subject to the same new or revised accounting standards as other public companies that are not “emerging growth companies.”
We will remain an “emerging growth company” until the earliest to occur of: (i) the last day of the fiscal year in which we have more than $1.07 billion in annual revenue; (ii) the date we qualify as a “large accelerated filer,” with at least $700 million of equity securities held by non-affiliates; (iii) the date on which we have issued, in any three-year period, more than $1.0 billion in non-convertible debt securities; and (iv) the last day of the fiscal year ending after the fifth anniversary of the listing of our Class A common stock on the NYSE.
For certain risks related to our status as an “emerging growth company,” see the section titled “Risk Factors—Risks Related to Our Business—We are an ‘emerging growth company,’ and the reduced disclosure requirements applicable to ‘emerging growth companies’ may make our Class A common stock less attractive to investors.”

10



SUMMARY CONSOLIDATED FINANCIAL DATA AND OTHER DATA
The following tables summarize our consolidated financial data and other data. The summary consolidated statements of operations data for the years ended January 31, 2017, 2018, and 2019 and consolidated balance sheet data as of January 31, 2019 have been derived from our audited consolidated financial statements included elsewhere in this prospectus. Our historical results are not necessarily indicative of the results that may be expected in the future. You should read the following summary consolidated financial data and other data below in conjunction with the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and related notes included elsewhere in this prospectus.
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands, except per share data)
Consolidated Statements of Operations Data:
 
 
 
 
 
Revenue
$
105,153

 
$
220,544

 
$
400,552

Cost of revenue (1)
15,517

 
26,364

 
51,301

Gross profit
89,636

 
194,180

 
349,251

Operating expenses:
 
 
 
 
 
Research and development (1)
96,678

 
141,350

 
157,538

Sales and marketing (1)
104,006

 
140,188

 
233,191

General and administrative (1)
37,455

 
56,493

 
112,730

Total operating expenses
238,139

 
338,031

 
503,459

Loss from operations
(148,503
)
 
(143,851
)
 
(154,208
)
Other income (expense), net
1,749

 
4,581

 
16,146

Loss before income taxes
(146,754
)
 
(139,270
)
 
(138,062
)
Provision for income taxes
155

 
793

 
840

Net loss
(146,909
)
 
(140,063
)
 
(138,902
)
Net income (loss) attributable to noncontrolling interest (2)
(45
)
 
22

 
1,781

Net loss attributable to Slack
(146,864
)
 
(140,085
)
 
(140,683
)
Less: Deemed dividends to preferred stockholders

 
40,883

 

Net loss attributable to Slack common stockholders
$
(146,864
)
 
$
(180,968
)
 
$
(140,683
)
Basic and diluted net loss per share:
 
 
 
 
 
Net loss per share attributable to Slack common stockholders, basic and diluted (3)
$
(1.28
)
 
$
(1.47
)
 
$
(1.16
)
Weighted-average shares used in computing net loss per share attributable to Slack common stockholders, basic and diluted (3)
114,887

 
122,865

 
121,732

Pro forma net loss per share attributable to Slack common stockholders, basic and diluted (unaudited) (3)
 
 
 
 
$
(0.27
)
Weighted-average shares used in computing pro forma net loss per share attributable to Slack common stockholders, basic and diluted (unaudited) (3)
 
 
 
 
517,493


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__________________
(1)
Includes stock-based compensation as follows:
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Cost of revenue
$
630

 
$
491

 
$
732

Research and development
34,546

 
35,260

 
9,948

Sales and marketing
9,744

 
8,044

 
2,677

General and administrative
5,171

 
4,288

 
9,775

Total stock-based compensation
$
50,091

 
$
48,083

 
$
23,132

Stock-based compensation for fiscal years 2017, 2018, and 2019 included compensation expense of $26.5 million, $0, and $14.8 million, respectively, related to secondary sales of common stock by certain of our current and former employees and $8.0 million, $39.4 million, and $0, respectively, related to cash payments attributable to tender offers and repurchases for our outstanding common stock.
(2)
Our consolidated financial statements include our majority-owned subsidiary, Slack Fund L.L.C., or Slack Fund. The ownership interest of minority investors in Slack Fund is recorded as a noncontrolling interest.
(3)
See note 10 to our consolidated financial statements included elsewhere in this prospectus for an explanation of the method used to calculate basic and diluted net loss per share attributable to Slack common stockholders and pro forma basic and diluted net loss per share attributable to Slack common stockholders and the weighted-average number of shares used in the computation of the per share amounts.
 
As of January 31, 2019
 
Actual
 
Pro Forma (1)
 
(In thousands)
Consolidated Balance Sheet Data:
 
 
 
Cash, cash equivalents, and marketable securities
$
841,071

 
$
841,071

Working capital
650,324

 
650,324

Total assets
1,198,956

 
1,198,956

Total deferred revenue
241,873

 
241,873

Convertible preferred stock
1,392,101

 

Total stockholders’ equity
841,606

 
841,606

__________________
(1)
The pro forma column in the consolidated balance sheet data table above reflects (a) the automatic conversion of all outstanding shares of our convertible preferred stock into  373,371,712  shares of Class B common stock as if such conversion had occurred on January 31, 2019, (b) the vesting and settlement of  22,388,531 restricted stock units, or RSUs, for which the service-based condition was fully satisfied as of January 31, 2019 and for which we expect the performance vesting condition to be satisfied upon the listing and public trading of our Class A common stock on the NYSE, and (c) stock-based compensation of $157.5 million associated with outstanding RSUs as of January 31, 2019 for which we expect the performance vesting condition to be satisfied upon the listing and public trading of our Class A common stock on the NYSE. Payroll taxes and other withholding obligations have not been included in the pro forma column. For additional information, see Note 1 to our consolidated financial statements included elsewhere in this prospectus and in the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Significant Impacts of Stock-Based Compensation.”
Key Business Metrics
We review the following key business metrics to measure our performance, identify trends, formulate financial projections, and make strategic decisions. We are not aware of any uniform standards for calculating these key metrics, which may hinder comparability with other companies who may calculate similarly-titled metrics in a different way.
 
As of January 31,
 
2017
 
2018
 
2019
Paid Customers
37,000

 
59,000

 
88,000

Paid Customers >$100,000
135

 
298

 
575

Net Dollar Retention Rate
171
%
 
152
%
 
143
%

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For additional information about our key business metrics, see the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Key Business Metrics.”
Non-GAAP Financial Measures
In addition to our results determined in accordance with U.S. generally accepted accounting principles, or GAAP, we believe the below non-GAAP measures are useful in evaluating our operating performance . We use the below non-GAAP financial information, collectively, to evaluate our ongoing operations and for internal planning and forecasting purposes.
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Calculated Billings
$
143,390

 
$
289,013

 
$
516,972

 
 
 
 
 
 
Free Cash Flow
$
(114,038
)
 
$
(57,661
)
 
$
(97,239
)
Tender offer payments and repurchases deemed compensation   (1)
8,033

 
39,374

 

Adjusted Free Cash Flow
$
(106,005
)
 
$
(18,287
)
 
$
(97,239
)
__________________
(1)
In fiscal years 2017 and 2018, we made cash payments of $8.0 million and $39.4 million, respectively, attributable to tender offers and repurchases for our outstanding common stock, which was accounted for as compensation. Adjusted Free Cash Flow has been shown here as adjusted for these cash payments. We have adjusted our Free Cash Flow for these payments because we do not expect them to occur when we are a public company so we believe that this provides greater comparability across periods.
For additional information and reconciliations of the non-GAAP financial measures to the most directly comparable financial measures stated in accordance with GAAP, see the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Non-GAAP Financial Measures.”

13



RISK FACTORS
Investing in our Class A common stock involves a high degree of risk. You should carefully consider the risks and uncertainties described below, together with all of the other information in this prospectus, before making a decision to invest in our Class A common stock. If any of the risks actually occur, our business, results of operations, financial condition, and prospects could be harmed. In that event, the trading price of our Class A common stock could decline, and you could lose part or all of your investment.
Risks Related to Our Business
We have a limited operating history, which makes it difficult to forecast our revenue and evaluate our business and future prospects.
We launched Slack publicly in 2014 and much of our growth has occurred in recent periods. As a result of our limited operating history, our ability to forecast our future results of operations and plan for and model future growth is limited and subject to a number of uncertainties. We have encountered and expect to continue to encounter risks and uncertainties frequently experienced by growing companies in rapidly evolving industries, such as the risks and uncertainties described herein. Additionally, the sales cycle for the evaluation and implementation of our paid versions, Standard and Plus, which typically ranges from a single day to multiple months, and of Enterprise Grid, which typically extends for multiple months, may also cause us to experience a delay between increasing operating expenses and the generation of corresponding revenue, if any. Accordingly, we may be unable to prepare accurate internal financial forecasts or replace anticipated revenue that we do not receive as a result of delays arising from these factors, and our results of operations in future reporting periods may be below the expectations of investors. If we do not address these risks successfully, our results of operations could differ materially from our estimates and forecasts or the expectations of investors, causing our business to suffer and our Class A common stock price to decline.
We have a history of net losses, we anticipate increasing operating expenses in the future, and we may not be able to achieve and, if achieved, maintain profitability.
We have incurred significant net losses in each year since our inception, including net losses of $146.9 million , $140.1 million , and $138.9 million in fiscal years 2017, 2018, and 2019, respectively. We expect to continue to incur net losses for the foreseeable future and we may not achieve or maintain profitability in the future. Because the market for Slack, and the features, integrations, and capabilities we offer on Slack, is rapidly evolving and has not yet reached widespread adoption, it is difficult for us to predict our future results of operations or the limits of our market opportunity. We expect our operating expenses to significantly increase over the next several years as we hire additional personnel, particularly in sales and marketing, expand our partnerships, operations, and infrastructure, both domestically and internationally, continue to enhance Slack and develop and expand its features, integrations and capabilities, and expand and improve our application programming interfaces, or APIs. We also intend to continue to build and enhance Slack through both internal research and development as well as selectively pursuing acquisitions that can uniquely contribute to Slack’s capabilities. In addition, as we grow and become a public company, we will incur additional significant legal, accounting, and other expenses that we did not incur as a private company. If our revenue does not increase to offset the expected increases in our operating expenses, we will not be profitable in future periods. In future periods, our revenue growth could slow or our revenue could decline for a number of reasons, including any failure to increase the number of organizations on Slack, increase our number of paid customers, or grow or maintain our Net Dollar Retention Rate, a decrease in the growth of our overall market, our failure, for any reason, to continue to capitalize on growth opportunities, slowing demand for Slack, additional regulatory burdens, or increasing competition. As a result, our past financial performance may not be indicative of our future performance. Any failure by us to achieve or sustain profitability on a consistent basis could cause the value of our Class A common stock to decline.
We have experienced rapid growth in recent periods and our recent growth rates may not be indicative of our future growth.
We have experienced rapid growth in recent periods. Our revenue was $105.2 million , $220.5 million , and $400.6 million for the years ended January 31, 2017, 2018, and 2019, respectively, representing annual growth of 110% and 82% , respectively. In future periods, we may not be able to sustain revenue growth consistent with recent history, or at all. Further, as we operate in a new and rapidly changing category of software, widespread acceptance and use of

14



Slack is critical to our future growth and success. We believe our revenue growth depends on a number of factors, including, but not limited to, our ability to:
attract new users and organizations;
provide excellent customer experience;
grow or maintain our Net Dollar Retention Rate, expand usage within organizations on Slack, and sell premium versions of Slack;
convert users of and organizations on our free version into paid customers;
introduce and grow adoption of Slack in new markets outside of the United States;
expand usage of Slack between organizations through shared channels;
achieve widespread acceptance and use of Slack;
adequately expand our sales force;
expand the features and capabilities of Slack, including through the creation and use of additional integrations;
maintain the security and reliability of Slack;
comply with existing and new applicable laws and regulations;
price Slack effectively so that we are able to attract and retain paid customers without compromising our profitability;
successfully compete against established companies and new market entrants, as well as existing software tools; and
increase awareness of our brand on a global basis.
If we are unable to accomplish any of these tasks, our revenue growth will be harmed. We also expect our operating expenses to increase in future periods, and if our revenue growth does not increase to offset these anticipated increases in our operating expenses, our business, results of operations, and financial condition will be harmed, and we may not be able to achieve or maintain profitability. We have also encountered in the past, and expect to encounter in the future, risks and uncertainties frequently experienced by growing companies in rapidly evolving industries. If our assumptions regarding these risks and uncertainties, which we use to plan and operate our business, are incorrect or change, or if we do not address these risks successfully, our growth rates may slow and our business would suffer. Further, our rapid growth may make it difficult to evaluate our future prospects.
If we fail to manage our growth effectively, we may be unable to execute our business plan or maintain high levels of service and customer satisfaction.
We have experienced, and expect to continue to experience, rapid growth, which has placed, and may continue to place, significant demands on our management and our operational and financial resources. For example, our headcount has grown from 716 employees as of January 31, 2017 to 1,502 employees as of January 31, 2019. We have established international offices, including offices in Australia, Canada, Ireland, India, Japan, and the United Kingdom, and we plan to continue to expand our international operations into other countries in the future. We have also experienced significant growth in the number of users, organizations on Slack and integrations, and in the amount of data that Slack supports. Additionally, our organizational structure is becoming more complex as we scale our operational, financial and management controls as well as our reporting systems and procedures.
To manage growth in our operations and personnel, we will need to continue to grow and improve our operational, financial, and management controls and our reporting systems and procedures. We will require significant capital expenditures and the allocation of valuable management resources to grow and change in these areas without

15



undermining our culture, which has been central to our growth so far. Our expansion has placed, and our expected future growth will continue to place, a significant strain on our management, customer experience, research and development, sales and marketing, administrative, financial, and other resources. If we fail to manage our anticipated growth and change in a manner that preserves the key aspects of our corporate culture, the quality of Slack may suffer, which could negatively affect our brand and reputation and harm our ability to attract users, employees, and organizations, and to grow or maintain our Net Dollar Retention Rate.
In addition, as we expand our business, it is important that we continue to maintain a high level of customer service and satisfaction. As our paid customer base continues to grow, we will need to expand our account management, customer service and other personnel, our partners, our features, and our security offerings to provide personalized account management and customer service as well as personalized features, integrations and capabilities. If we are not able to continue to provide high levels of customer service, our reputation, as well as our business, results of operations, and financial condition, could be harmed.
We may experience quarterly fluctuations in our results of operations due to a number of factors that make our future results difficult to predict and could cause our results of operations to fall below analyst or investor expectations.
Our quarterly results of operations may fluctuate from quarter to quarter as a result of a number of factors, many of which are outside of our control and may be difficult to predict, including, but not limited to:
the level of demand for Slack;
our ability to grow or maintain our Net Dollar Retention Rate, expand usage within organizations on Slack, and sell premium versions of Slack;
our ability to convert users of and organizations on our free version into paid customers;
the timing and success of new features, integrations, capabilities, and enhancements by us to Slack or by our competitors to their products or any other change in the competitive landscape of our market;
our ability to achieve widespread acceptance and use of Slack;
errors in our forecasting of the demand for Slack, which could lead to lower revenue, increased costs or both;
the amount and timing of operating expenses and capital expenditures, as well as entry into operating leases, that we may incur to maintain and expand our business and operations and to remain competitive;
the timing of expenses and recognition of revenue;
security breaches, technical difficulties, or interruptions to Slack resulting in service level agreement credits;
adverse litigation judgments, other dispute-related settlement payments, or other litigation-related costs;
regulatory fines;
changes in, and continuing uncertainty in relation to, the legislative or regulatory environment;
legal and regulatory compliance costs in new and existing markets;
the number of new employees added;
the timing of the grant or vesting of equity awards to employees, directors, or consultants;
pricing pressure as a result of competition or otherwise;
seasonal buying patterns for IT spending;
fluctuations in foreign currency exchange rates;

16



costs and timing of expenses related to the acquisition of businesses, talent, technologies, or intellectual property, including potentially significant amortization costs and possible write-downs; and
general economic conditions in either domestic or international markets, including geopolitical uncertainty and instability.
Any one or more of the factors above may result in significant fluctuations in our quarterly results of operations. You should not rely on our past results as an indicator of our future performance.
The variability and unpredictability of our quarterly results of operations or other operating metrics could result in our failure to meet our expectations or those of analysts that cover us or investors with respect to revenue or other key metrics for a particular period. If we fail to meet or exceed such expectations for these or any other reasons, the market price of our Class A common stock could fall, and we could face costly lawsuits, including securities class action suits.
Real or perceived errors, failures, vulnerabilities, or bugs in Slack could harm our business, results of operations, and financial condition.
The software technology underlying and integrating with Slack is inherently complex and may contain material defects or errors, particularly when new features, integrations, or capabilities are released. Errors, failures, vulnerabilities, or bugs may occur in Slack, especially when updates are deployed or new features, integrations, or capabilities are rolled out. Slack is often used in connection with large-scale computing environments with different operating systems, system management software, integrations, equipment, and networking configurations, which may cause errors or failures, or affect other aspects of the computing environment in which Slack is used. In addition, use of Slack in complicated, large-scale computing environments may expose errors, failures, vulnerabilities, or bugs in Slack or integrations. Any such errors, failures, vulnerabilities, or bugs may not be found until after new features, integrations, or capabilities have been released to organizations on Slack. Furthermore, we will need to ensure that Slack can scale to meet the evolving needs of users and organizations on Slack, particularly as we continue to focus on larger organizations with Enterprise Grid. Real or perceived errors, failures, vulnerabilities, or bugs in Slack could result in negative publicity, loss or leaking of personal data and data of organizations on Slack, loss of or delay in market acceptance of Slack, loss of competitive position, regulatory fines or claims by organizations on Slack for losses sustained by them, all of which could harm our business, results of operations, and financial condition.
The market and software categories in which we participate are competitive, new, and rapidly changing, and if we do not compete effectively with established companies as well as new market entrants our business, results of operations, and financial condition could be harmed.
Slack is a new category of business technology in a rapidly evolving market for software, programs, and tools used by knowledge workers that is intensely competitive, fragmented, and subject to rapidly changing technology, shifting user and customer needs, new market entrants, and frequent introductions of new products and services. We also compete in various segments of the communication, collaboration, and integration software categories. Moreover, we expect competition to increase in the future from established competitors and new market entrants, including established technology companies who have not previously entered the market. Our primary competitor is currently Microsoft Corporation. Our other competitors fall into the following categories: productivity tool and email providers, such as Alphabet Inc. (including Google Inc.); unified communications providers, such as Cisco Systems Inc.; and consumer application companies who have entered the business software market, such as Facebook Inc. We also compete with smaller companies that offer niche or point products that attempt to address certain problems that Slack addresses. We further compete against existing software, programs, and tools, such as email. With the introduction of new technologies, the evolution of Slack, and new market entrants, we expect competition to intensify in the future. Established companies may not only develop their own communication and collaboration solutions, platforms for software integration, and secure repositories of information and data, but also acquire or establish product integration, distribution, or other cooperative relationships with our current competitors. For example, while we currently partner with Atlassian Corporation PLC, Google Inc., Okta, Inc., Oracle Corporation, ServiceNow, Inc., salesforce.com, inc., SAP SE, Workday, Inc., and Zoom Video Communications, Inc. , among others, they may develop and introduce products that directly or indirectly compete with Slack. New competitors or alliances among competitors may emerge and rapidly acquire significant market share due to factors such as greater brand name recognition, a larger existing user and/or

17



customer base, superior product offerings, a larger or more effective sales organization, and significantly greater financial, technical, marketing, and other resources and experience. We also compete with niche companies that offer specific point solutions in the communication, collaboration and data use markets, normally focused on specific industries, geographies, or specific use cases, which attempt to address certain of the problems that Slack addresses. In addition, with the recent increase in large merger and acquisition transactions in the technology industry, particularly transactions involving cloud-based technologies, there is a greater likelihood that we will compete with other large technology companies in the future. We expect this trend to continue as companies attempt to strengthen or maintain their market positions in an evolving industry. Companies resulting from these possible consolidations may create more compelling product offerings and be able to offer more attractive pricing options, making it more difficult for us to compete effectively.
Many of our existing competitors have, and some of our potential competitors could have, substantial competitive advantages such as greater brand name recognition and longer operating histories, larger sales and marketing budgets and resources, broader distribution, and established relationships with independent software vendors, partners, and customers, greater customer experience resources, greater resources to make acquisitions, lower labor, and development costs, larger and more mature intellectual property portfolios, and substantially greater financial, technical and other resources. Such competitors with greater financial and operating resources may be able to respond more quickly and effectively than we can to new or changing opportunities, technologies, standards, or customer requirements.
In addition, some of our larger competitors have substantially broader product offerings and leverage their relationships based on other products or incorporate functionality into existing products to gain business in a manner that discourages users from purchasing Slack, including through selling at zero or negative margins, product bundling, or closed technology platforms. Potential customers may also prefer to purchase from their existing suppliers rather than a new supplier regardless of product performance or features. These larger competitors often have broader product lines and market focus and will therefore not be as susceptible to downturns in a particular market. Our competitors may also seek to repurpose their existing offerings to provide software, programs, and tools used by knowledge workers with subscription models. Further, some current and potential customers, particularly large organizations, have elected, and may in the future elect, to develop or acquire their own software, programs, and tools used by knowledge workers that would reduce or eliminate the demand for Slack.
Conditions in our market could also change rapidly and significantly as a result of technological advancements, partnering by our competitors or continuing market consolidation, and it is uncertain how our market will evolve. New start-up companies that innovate and large competitors that are making significant investments in research and development may invent similar or superior products and technologies that compete with Slack. These competitive pressures in our market or our failure to compete effectively may result in price reductions, fewer customers, reduced revenue, gross profit, and gross margins, increased net losses, and loss of market share. Any failure to meet and address these factors could harm our business, results of operations, and financial condition.
If we are unable to attract new users and organizations, convert users of and organizations on our free version into paid customers, grow or maintain our Net Dollar Retention Rate, expand usage within organizations on Slack, and sell premium subscription plans or develop new features, integrations, capabilities, and enhancements that achieve market acceptance, our revenue growth and profitability will be harmed.
To increase our revenue and achieve and maintain profitability, we must add new users and organizations, convert users of and organizations on our free version into paid customers, grow or maintain our Net Dollar Retention Rate, expand usage within organizations on Slack, and sell premium subscription plans. We encourage organizations on our free version to upgrade to paid versions of Slack and paid customers of Standard to upgrade to our premium subscription plans, Plus or Enterprise Grid, through in-product prompts and notifications, by recommending additional features and by providing customer support that explains the additional capabilities of our paid and premium plans. Additionally, we seek to expand within organizations on Slack by adding new users, having organizations on our Free or Standard subscription plan upgrade to our premium plans, or expanding the use of Slack into other departments within an organization already on Slack. We often see enterprise decision-makers deciding to adopt Slack after noticing substantial organic adoption by individuals and teams within the organization. While we have experienced significant growth in the number of users on Slack, we do not know whether we will continue to achieve similar user growth rates in the future. Numerous factors, however, may impede our ability to add new users and organizations, convert users of and

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organizations on our free version into paid customers, grow and maintain our Net Dollar Retention Rate, expand usage within organizations on Slack, and sell premium subscription plans, including our inability to convert organizations using our free version into paid customers, failure to attract and effectively train new sales and marketing personnel, especially as we increase our sales efforts, failure to retain and motivate our current sales and marketing personnel, failure to develop or expand relationships with partners, failure to successfully deploy new features, integrations, and capabilities for organizations on Slack and provide quality customer experience, or failure to ensure the effectiveness of our marketing programs. Additionally, increasing our sales to large organizations requires increasingly sophisticated and costly sales efforts targeted at senior management and other personnel. If our efforts to sell to large organizations and organizations of all sizes are not successful or do not generate additional revenue, our business would suffer. See also “—Failure to effectively develop and expand our direct sales capabilities could harm our ability to increase the number of organizations on Slack and achieve broader market acceptance of Slack.”
Our ability to attract new users and organizations and increase revenue from existing paid customers depends in large part on our ability to continually enhance and improve Slack and the features, integrations, and capabilities we offer, and to introduce compelling new features, integrations, and capabilities that reflect the changing nature of our market in order to maintain and improve the quality and value of Slack, which depends on our ability to continue investing in research and development and in our ongoing efforts to improve and enhance Slack. The success of any enhancement to Slack depends on several factors, including timely completion and delivery, competitive pricing, adequate quality testing, integration with existing technologies, and overall market acceptance. Any new features, integrations, and capabilities that we develop may not be introduced in a timely or cost-effective manner, may contain errors, failures, vulnerabilities, or bugs, or may not achieve the market acceptance necessary to generate significant revenue. We must also convince developers to adopt and build on Slack. We believe that these developer-built integrations facilitate greater usage and customization of Slack and the features, integrations, and capabilities enhance user experience. If these developers stop developing on or supporting Slack, we will lose the benefits that have contributed to the growth in the number of organizations and users on Slack, and our business, results of operations, and financial condition could be harmed. If we are unable to successfully develop new features, integrations, and capabilities to enhance Slack to meet requirements of organizations on Slack, especially as we continue to grow and enhance Enterprise Grid, or otherwise gain widespread market acceptance, our business, results of operations, and financial condition would be harmed.
Moreover, our business is subscription based, and organizations are not obligated to and may not renew their subscriptions after their existing subscriptions expire. Many of our subscriptions are sold for a one-year term, though some organizations choose a month-to-month subscription plan or multi-year subscription plan. While many of our subscriptions provide for automatic renewal, organizations have no obligation to renew a subscription after the expiration of the term, and we cannot ensure that organizations will renew subscriptions with a similar contract period, with the same or greater number of users, or for the same subscription plan or upgrade to Plus or Enterprise Grid. With our fair billing practices, we may also not earn as much revenue as anticipated if the actual numbers of users in a paid customer decreases during the subscription period. Organizations may or may not renew their subscriptions as a result of a number of factors, including their satisfaction or dissatisfaction with Slack or services, our pricing or pricing structure, the pricing or capabilities of the products and services offered by our competitors, the effects of economic conditions, or reductions in our paid customers’ spending levels. In the past, few of our paid customers have elected to downgrade or not to renew agreements with us, but it is difficult to accurately predict long-term Net Dollar Retention Rates. If organizations do not renew their subscriptions, renew on less favorable terms or fail to add more users, or if we fail to upgrade organizations on our Free or Standard subscription plan to our premium subscription plans, Plus and Enterprise Grid, or expand within organizations on Slack, our revenue may decline or grow less quickly than anticipated, which would harm our business, results of operations, and financial condition.
Additionally, organizations can and do subscribe to multiple subscription plans simultaneously for a variety of reasons. For example, many of our customers are large enterprises with distributed procurement processes where different buyers, departments or affiliates make their own purchasing decisions based on distinct product features or separate budgets. Companies who are existing Slack customers may also acquire another organization that is already on a Slack subscription plan or complete a reorganization or spin-off transaction that results in an organization subscribing to multiple subscription plans. If organizations that subscribe to multiple subscription plans decide not to consolidate all of their subscription plans into an Enterprise Grid subscription for the entire organization or decide to downgrade to lower priced or free subscription plans, our revenue may decline or grow less quickly than anticipated,

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which would harm our business, results of operations, and financial condition. Having organizations on multiple subscription plans also makes it more difficult to accurately predict long-term Net Dollar Retention Rates.
Our ability to introduce new f eatures, integrations, capabilities, and enhancements is dependent on adequate research and development resources. If we do not adequately fund our research and development efforts, or if our research and development investments do not translate into material enhancements to Slack, we may not be able to compete effectively and our business, results of operations, and financial condition may be harmed.
To remain competitive, we must continue to develop new features, integrations, capabilities, and enhancements to Slack. This is particularly true as we further expand and diversify our capabilities to address additional applications and markets. For example, in September 2017, we introduced a new beta feature, shared channels, which facilitates secure collaboration between companies . Maintaining adequate research and development resources, such as the appropriate personnel and development technology, to meet the demands of the market is essential. If we are unable to develop features, integrations, and capabilities internally due to certain constraints, such as employee turnover, lack of management ability, or a lack of other research and development resources, our business may be harmed.
Moreover, research and development projects can be technically challenging and expensive. The nature of these research and development cycles may cause us to experience delays between the time we incur expenses associated with research and development and the time we are able to offer compelling features, integrations, capabilities, and enhancements and generate revenue, if any, from such investment. Additionally, anticipated demand for a feature, integration, capability, or enhancement we are developing could decrease after the development cycle has commenced, and we would nonetheless be unable to avoid substantial costs associated with the development of any such feature, integration, capability, or enhancement. If we expend a significant amount of resources on research and development and our efforts do not lead to the successful introduction or improvement of features, integrations, and capabilities that are competitive, it would harm our business, results of operations, and financial condition.
Further, many of our competitors expend a considerably greater amount of funds on their respective research and development programs, and those that do not may be acquired by larger companies that would allocate greater resources to our competitors’ research and development programs. Our failure to maintain adequate research and development resources or to compete effectively with the research and development programs of our competitors would give an advantage to such competitors and may harm our business, results of operations, and financial condition.
If there are interruptions or performance problems associated with the technology or infrastructure used to provide Slack, organizations on Slack may experience service outages, other organizations may be reluctant to adopt Slack, and our reputation could be harmed.
Our continued growth depends, in part, on the ability of existing and potential organizations on Slack to access Slack 24 hours a day, seven days a week, without interruption or degradation of performance. We have in the past and may in the future experience disruptions, data loss, outages, and other performance problems with our infrastructure due to a variety of factors, including infrastructure changes, introductions of new functionality, human or software errors, capacity constraints, denial-of-service attacks, ransomware attacks, or other security-related incidents. In some instances, we may not be able to identify the cause or causes of these performance problems immediately or in short order. We may not be able to maintain the level of service uptime and performance required by organizations on Slack, especially during peak usage times and as our user traffic and number of integrations increase. For example, we have experienced intermittent connectivity issues and product issues in the past, including those that have prevented many organizations on Slack and their users from accessing Slack for a period of time. If Slack is unavailable or if organizations are unable to access Slack within a reasonable amount of time, or at all, our business would be harmed. Since organizations on Slack rely on Slack to communicate, collaborate, and access and complete their work, which in many cases includes entire organizations that complete substantially all of their work functions on Slack, any outage on Slack would impair the ability of organizations on Slack and their users to perform their work, which would negatively impact our brand, reputation, and customer satisfaction, and could give rise to legal liability under our service level agreements with paid customers.
Moreover, we depend on services from various third parties to maintain our infrastructure, including Amazon Web Services, or AWS. If a service provider fails to provide sufficient capacity to support Slack or otherwise experiences service outages, such failure could interrupt access to Slack by users and organizations, which could adversely affect

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their perception of Slack’s reliability and our revenue and harm the businesses of organizations on Slack. Any disruptions in these services, including as a result of actions outside of our control, would significantly impact the continued performance of Slack. In the future, these services may not be available to us on commercially reasonable terms, or at all. Any loss of the right to use any of these services could result in decreased functionality of Slack until equivalent technology is either developed by us or, if available from another provider, is identified, obtained, and integrated into our infrastructure. If we do not accurately predict our infrastructure capacity requirements, organizations on Slack could experience service shortfalls. We may also be unable to effectively address capacity constraints, upgrade our systems as needed, and continually develop our technology and network architecture to accommodate actual and anticipated changes in technology.
Any of the above circumstances or events may harm our reputation, cause organizations on Slack to terminate their agreements with us, impair our ability to obtain subscription renewals from organizations on Slack, impair our ability to grow the base of users and organizations on Slack, subject us to financial penalties and liabilities under our service level agreements with our paid customers, and otherwise harm our business, results of operations, and financial condition.
A security incident may allow unauthorized access to our systems, networks, or data or the data of organizations on Slack, harm our reputation, create additional liability, and harm our financial results.
Increasingly, companies are subject to a wide variety of attacks on their systems on an ongoing basis. In addition to threats from traditional computer “hackers,” malicious code (such as malware, viruses, worms, and ransomware), employee theft or misuse, password spraying, phishing, credential stuffing, and denial-of-service attacks, we also face threats from sophisticated organized crime, nation-state, and nation-state supported actors who engage in attacks (including advanced persistent threat intrusions) that add to the risks to Slack, our internal systems and our partners’ systems, as well as the systems of organizations on Slack and the information that they store and process. Third parties may attempt to fraudulently induce employees, users, or organizations into disclosing sensitive information such as user names, passwords, or other information or otherwise compromise the security of our internal electronic systems, networks, and/or physical facilities in order to gain access to our data or the data of organizations on Slack, which could result in significant legal and financial exposure, a loss of confidence in the security of Slack, interruptions or malfunctions in our operations, and, ultimately, harm to our future business prospects and revenue. Users or organizations on Slack may also disclose or lose control of their API keys, secrets, or passwords, or use the same or similar secrets or passwords on third parties’ systems, which could lead to unauthorized access to their accounts and data within Slack (arising from, for example, an independent third-party data security incident that compromises those API keys, secrets, or passwords). Further, if a channel is shared between paid customers or workspaces, the above risks, vulnerabilities, and threats may be “inherited” or transferred from one paid customer or workspace to another. Despite significant efforts to create security barriers to such threats, it is virtually impossible for us to entirely mitigate these risks, especially where they are attributable to the behavior of independent third parties beyond our control. The security measures we have implemented or integrated into Slack and our internal systems and networks (including measures to audit third-party and custom applications), which are designed to detect unauthorized activity and prevent or minimize security breaches, may not function as expected or may not be sufficient to protect Slack and our internal systems and networks against certain attacks. For instance, for a period of approximately four days in March 2015, a security incident occurred in which unauthorized third parties had access to information maintained by us that included user names, email addresses, encrypted passwords, and information that users may have optionally added to their profiles, such as phone numbers. We are not aware of any material impact on any organizations that resulted from the incident. In addition, techniques used to sabotage or to obtain unauthorized access to systems and networks in which data is stored or through which data is transmitted change frequently and generally are not recognized until launched against a target. As a result, it may not be possible for us to anticipate these techniques or implement adequate preventative measures to prevent an electronic intrusion into our systems and networks and we may be required to expend significant capital and financial resources to protect against such threats or to alleviate problems caused by breaches in systems, network, or data security. Our board of directors has primary responsibility for overseeing cybersecurity risk management. For more information, see “Management—Role of Board of Directors in Risk Oversight.”
The storage, transmittal, and use of data by organizations on Slack concerning, among others, their employees, contractors, customers, and partners is essential to their use of Slack, which stores, transmits, and processes their sensitive and proprietary information, including business strategies, financial and operational data, personal or

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identifying information, and other related data. Security breaches impacting Slack or integrations on Slack could result in a risk of loss, unavailability, or unauthorized disclosure of this information, which, in turn, could lead to litigation, governmental audits, and investigations and possible liability (including regulatory fines), damage our relationships with existing users and organizations on Slack, and have a negative impact on our ability to attract new users and organizations and to grow or maintain our Net Dollar Retention Rate. Furthermore, any such breach, including a breach of the systems or networks of our partners or organizations on Slack, could compromise our systems or networks, creating system disruptions or slowdowns and exploiting security vulnerabilities of our networks or the networks of our partners and organizations on Slack, and the information stored on our network or the networks of our partners and organizations on Slack could be accessed, publicly disclosed, altered, lost, or stolen, which could subject us to liability and cause us financial harm. In addition, a breach of the security measures of one of our partners could result in the destruction, modification, or exfiltration of confidential corporate information, or other data that may provide additional avenues of attack. These breaches, or any perceived breach, of our systems or networks or the systems of our partners or organizations on Slack, whether or not any such breach is due to a vulnerability in Slack, may also undermine confidence in Slack or our industry and result in damage to our reputation, negative publicity, loss of users, organizations on Slack, partners, and sales, increased costs to remedy any problem, and costly litigation or regulatory fines.
We maintain errors, omissions, and cyber liability insurance policies covering certain security and privacy damages. However, we cannot be certain that our coverage will be available or adequate for all liabilities that might actually be incurred or that insurance will continue to be available to us on economically reasonable terms, or at all. Further, if a high-profile security breach occurs with respect to another software company with communication, collaboration, data collection, and integrations, our users and potential users could lose trust in the security of such solutions providers generally, which could adversely impact our ability to attract organizations to Slack or grow or maintain our Net Dollar Retention Rate.
Any actual or perceived failure by us to comply with privacy, data protection, information security, consumer privacy, data residency, or telecommunications laws, regulations, government access requests, and obligations in one or multiple jurisdictions could result in proceedings, actions, or penalties against us and could harm our business and reputation. These laws are uncertain, evolving, and interpreted and applied in different ways in different countries and, as a result, our legal obligations in different countries, and our efforts to comply with those legal obligations, may be inadequate or in conflict.
The use and storage of data, files, and information by organizations on Slack concerning, among others, their employees, contractors, customers, and partners is essential to their use of Slack. We have implemented various features, integrations, and capabilities as well as contractual obligations intended to enable and encourage organizations on Slack to comply with applicable privacy and security requirements in their collection, use, and transmittal of data using Slack, but these features do not ensure their compliance and may not be effective against all potential privacy concerns. In addition, we are subject to certain contractual obligations regarding the collection, use, storage, transfer, disclosure, and/or processing of personal data.
Around the world, there are numerous lawsuits and regulatory proceedings in process against various technology companies that process personal data. If those lawsuits or regulatory proceedings are successful, it could increase the likelihood that we may be exposed to liability for our own policies and practices concerning the processing of personal data and could hurt our business. Privacy, security, or data protection concerns, whether or not valid, may inhibit market adoption of Slack. For instance, Slack currently only utilizes AWS data centers located in the United States but certain organizations, or categories of organizations, may limit their adoption or use of Slack unless we also utilize local AWS data centers, such as data centers in Europe, Asia, and Latin America. Additionally, concerns about privacy, security, or data protection may result in the adoption of new legislation that restricts the implementation of technologies like ours or requires us to make modifications to Slack, which could significantly limit the adoption and deployment of our technologies or result in significant expense to us. Many jurisdictions have enacted or are considering enacting privacy and/or data security legislation, including laws and regulations applying to the collection, use, storage, transfer, disclosure, and/or processing of personal data. Such laws may include data residency or data localization requirements, which generally require that certain types of data collected within a certain country be stored and processed within that country and/or data export restrictions, or international transfer laws which prohibit or impose conditions upon the transfer of such data from one country to another. In addition, some jurisdictions have recently enacted or are currently considering enacting laws requiring online service providers to be able to decrypt encrypted content stored as part of

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their service, which may limit deployment and adoption of Slack. The costs of compliance with, and other burdens imposed by, such laws and regulations that are applicable to the operations of organizations on Slack may limit the use and adoption of Slack and reduce overall demand for Slack. Moreover, the existence and need to comply with such privacy and data security laws could impact our ability to offer Slack in certain markets without taking additional compliance steps (including the use of local data centers) or in general. Further, these privacy and data security related laws and regulations are evolving and may result in increasing regulatory and public scrutiny and escalating levels of enforcement and sanctions and impose regulatory challenges on our business. For instance, evolving and changing definitions of what constitutes “Personal Information” and “Personal Data” within the European Union, the United States, and elsewhere, especially relating to classification of IP addresses, machine, or device identification numbers, location data, and other information, may limit or inhibit our ability to operate or expand our business.
Although we continually work to comply with federal, state, and foreign laws and regulations, industry standards, contractual obligations, and other legal obligations that apply to us, such laws, regulations, standards, and obligations are evolving and may be modified, interpreted, and applied in an inconsistent manner from one jurisdiction to another, and may conflict with one another, other requirements or legal obligations, our practices, or the features of Slack. In particular, as a U.S. company we may be obliged to disclose data pursuant to governmental requests under U.S. law. This requirement may make our platform less attractive to users and organizations. Further, compliance with such U.S. governmental requests may be inconsistent with local laws in other countries to which we and organizations on Slack are subject.
Any failure or perceived failure by us to comply with federal, state, or foreign laws or regulations, industry standards, Internet accessibility standards, contractual obligations, or other legal obligations, or any actual or suspected security incident, whether or not resulting in unauthorized access to, or acquisition, release, or transfer of personal or other data, may result in governmental enforcement actions and prosecutions, private litigation, fines, and penalties, or adverse publicity and could cause organizations on Slack to lose trust in us, which could have an adverse effect on our reputation and business. For example, fines of up to the greater of €20.0 million and 4% of our global turnover can be imposed for breaches of the E.U.’s General Data Protection Regulation. Any inability to adequately address privacy and security concerns, even if unfounded, or comply with applicable laws, regulations, policies, industry standards, contractual obligations, or other legal obligations could result in additional cost and liability to us, damage our reputation, inhibit sales, and adversely affect our business.
We also expect that there will continue to be new proposed laws, regulations, Internet accessibility standards, and industry standards concerning privacy, data protection, and information security in the United States, the European Union, and other jurisdictions, and we cannot yet determine the impact such future laws, regulations, and standards may have on our business. For example, in June 2018 the State of California enacted the California Consumer Privacy Act, which takes effect on January 1, 2020 and will broadly define personal information, give California residents expanded privacy rights and protections and provide for civil penalties for violations and a private right of action for data breaches. In addition to government activity, privacy advocacy groups, and technology and other industries are considering various new, additional, or different self-regulatory standards that may place additional burdens on us. Future laws, regulations, standards, and other obligations, and changes in the interpretation of existing laws, regulations, standards, and other obligations could impair the ability of us or organizations on Slack to collect, use, or disclose information relating to consumers, which could decrease demand for Slack, increase our operating expenses, and impair our ability to maintain and grow the base of users and organizations on Slack and our revenue. Similarly, such laws could require changes to our technology, operations, and practices. New laws, amendments to, or re-interpretations of existing laws and regulations, industry standards, contractual obligations, and other obligations may require us to incur additional costs and restrict our business operations. Such laws and regulations may require companies to implement privacy and security policies, permit users to access, correct, and delete personal data stored or maintained by such companies, inform individuals of security breaches that affect their personal information, and, in some cases, obtain individuals’ consent to use personal data for certain purposes. If we, or the third parties on which we rely, fail to comply with federal, state, and foreign data privacy laws and regulations, our ability to successfully operate our business and pursue our business goals could be harmed.
Failure by us to comply with applicable laws and regulations, or to protect such data, could result in enforcement actions against us, including fines and public censure, claims for damages by organizations on Slack and other affected

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persons, damage to our reputation, and loss of goodwill (both in relation to existing and prospective organization on Slack), any of which could harm our business, results of operations, and financial condition.
Since many of the features of Slack involve the processing of personal data or other data of organizations on Slack and their employees, contractors, customers, partners, and others, any inability to adequately address privacy concerns, even if such concerns are unfounded, or to comply with applicable privacy or data security laws, regulations, and policies, could result in liability to us, damage to our reputation, inhibition of sales and to our business. Addressing these concerns could increase the length of our sales cycles. For example, cultural norms around privacy and employee expectations vary country to country and can drive a need to localize or customize certain features of Slack in order to address such varied privacy concerns, which can add cost and time to our development and sales cycles. In some markets, such as Germany, organizations as well as their employees through works councils, must both determine whether Slack is adopted, and organization and employee expectations around privacy do not always align. As a result, concerns by employees with respect to the protection of their privacy rights could affect adoption of Slack.
We publicly post our privacy policies and practices concerning our processing, use and disclosure of the personal data provided to us by users, organizations, and website visitors. Our publication of our privacy policies and other statements we publish that provide promises and assurances about privacy and security can subject us to potential state and federal action, as well as enforcement action in other countries (particularly the European Union) if they are found to omit necessary information, be deceptive, or misrepresentative of our practices. If Slack is perceived to cause, or is otherwise unfavorably associated with, violations of privacy or data security requirements, it may subject us or organizations on Slack to public criticism and potential legal liability. Existing and potential privacy laws and regulations concerning privacy and data security and increasing sensitivity of consumers to unauthorized processing of personal data may create negative public reactions to technologies and products such as ours. This, in turn, may reduce the value of Slack and slow or eliminate the growth of our business.
We may face particular privacy, data security, and data protection risks in Europe particularly due to the new European General Data Protection Regulation.
In relation to transfers of Personal Data out of the European Economic Area, or the EEA, and Switzerland to the United States, we are currently registered for both the E.U.-U.S. and the Swiss-U.S. Privacy Shield programs. There are concerns about the future of Privacy Shield as a data transfer mechanism as it continues to be subject to legal challenges, which, if successful, would require us to ensure that we had alternative data transfer mechanisms. In the interim, if we are investigated by a European data protection authority or the U.S. Federal Trade Commission, or the FTC, and found to have failed to comply with the Privacy Shield programs, we may face fines and other penalties. Any such investigation or charges by European and/or Swiss data protection authorities and/or the FTC could have a negative effect on our existing business and on our ability to attract new users and organizations and to grow or maintain our Net Dollar Retention Rate.
We also use model contractual clauses (or standard contractual clauses) to transfer, and to enable organizations on Slack to transfer, personal data out of Europe. The validity of model clauses is also the subject of litigation. If the E.U.-U.S. Privacy Shield program or the European Commission decisions underpinning the model contractual clauses are invalidated, we will be required to identify and implement other methods to enable compliant data transfers from the EEA and Switzerland to the United States. Such methods may be more costly or not available to us.
Depending on the evolving legal framework, we may find it necessary to establish systems to maintain Personal Data originating from the European Union in the EEA, which may involve substantial expense and may cause us to need to divert resources from other aspects of our business, all of which may adversely affect our business.
In addition, data protection regulation is an area of increased focus and changing requirements. The European Union adopted the General Data Protection Regulation 2016/679, or GDPR, that took effect on May 25, 2018, largely replacing the current data protection laws of each E.U. member state. The GDPR applies to any organization with an establishment in the European Union for data processing purposes as well as to those outside the European Union if they process Personal Data of individuals in the European Union in connection with offering them goods or services or monitoring their behavior. The GDPR enhances data protection obligations for processors and controllers of Personal Data, including, for example, expanded disclosures about how Personal Data is to be used, limitations on retention of information, mandatory data breach notification requirements, and additional obligations on service providers (such

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as any third parties to whom we may transfer Personal Data). Non-compliance with the GDPR can trigger fines of up to the greater of €20 million and 4% of our global revenue. Given the breadth and depth of changes in data protection obligations, compliance has caused us to expend significant resources, and such expenditures are likely to continue into the future as we continue our compliance efforts and respond to new interpretations and enforcement actions. In addition, separate E.U. laws and regulations (and member states’ implementations thereof) govern the protection of consumers and of electronic communications and these are also evolving. A draft of the new ePrivacy Regulation extends the strict opt-in marketing rules with limited exceptions to business-to-business communications, alters rules on third-party cookies, web beacons, and similar technology and significantly increases penalties. This law, as well as related changes to the European Union’s telecommunications regime, could subject us to additional privacy obligations of the sort that have historically been imposed primarily on telecommunication service providers. We cannot yet determine the impact that such future laws, regulations, and standards may have on our business. Such laws and regulations are often subject to differing interpretations and may be inconsistent among jurisdictions. Further, the obligations imposed by E.U. data protection and related laws may conflict with the obligations imposed by other legal regimes, such as U.S. laws concerning government access to data. We may incur substantial expense in complying with the new obligations to be imposed by the GDPR, and we may be required to make significant changes in our business operations and product development, all of which may adversely affect our revenues and our business overall.
If we are unable to ensure that Slack interoperates with a variety of software applications that are developed by others, including our partners, Slack may become less competitive and our results of operations may be harmed.
Slack must integrate with a variety of network, hardware, and software platforms, and we need to continuously modify and enhance Slack to adapt to changes in hardware, software, networking, browser, and database technologies. In particular, we have developed Slack to be able to easily integrate with third-party applications, including the applications of software providers that compete with us as well as our partners, through the interaction of APIs. In general, we rely on the providers of such software systems to allow us access to their APIs to enable these user integrations. We are typically subject to standard terms and conditions for application developers of such providers, which govern the distribution, operation, and fees of such software systems, and which are subject to change by such providers from time to time. Our business may be harmed if any provider of such software systems:
discontinues or limits our access to its software or APIs;
modifies its terms of service or other policies, including fees charged to, or other restrictions on us or other application developers;
changes how information is accessed by us, our users, or organizations on Slack;
establishes more favorable relationships with one or more of our competitors; or
develops or otherwise favors its own competitive offerings over ours.
We believe a significant component of our value proposition to users and organizations is the ability to improve and interface with these third-party applications through APIs on and directly in Slack. Third-party services and products are constantly evolving, and we may not be able to modify Slack to assure its compatibility with that of other third parties following development changes. In addition, some of our competitors may be able to disrupt the operations or compatibility of Slack with their products or services, or exert strong business influence on our ability to, and terms on which we, operate Slack. For example, we currently directly compete with several large technology companies whose applications interface with Slack, including Google and Microsoft. As our respective products evolve, we expect this level of competition to increase. Should any of our competitors modify their products or standards in a manner that degrades the functionality of Slack or gives preferential treatment to competitive products or services, whether to enhance their competitive position or for any other reason, the interoperability of Slack with these products could decrease and our business, results of operations, and financial condition could be harmed. If we are not permitted or able to integrate with these and other third-party applications in the future, demand for Slack would be harmed and our business, results of operations, and financial condition would be harmed.
We also depend on our ecosystem of developers to create applications that will integrate with Slack. Our reliance on this ecosystem of developers creates certain business risks relating to the quality and security of the applications

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built using our APIs, service interruptions of Slack from these applications, lack of service support for these applications, possession of intellectual property rights associated with these applications, and privacy concerns around the transfer of data to these applications. We may not have the ability to control or prevent these risks. As a result, issues relating to these applications could adversely affect our business, brand, and reputation.
Further, we have created mobile applications and mobile versions of Slack to respond to the increasing number of people who access the Internet through mobile devices and access cloud-based software applications through mobile devices, including smartphones and handheld tablets or laptop computers. If these mobile applications do not perform well, our business may suffer. We are also dependent on third-party application stores that may prevent us from timely updating Slack; building new features, integrations, and capabilities; or charging for access. We distribute the mobile Slack application via smartphone and tablet application stores managed by Apple and Google, among others. Certain of these companies are now, and others may in the future become, competitors of ours, and could stop allowing or supporting access to Slack through their products, could allow access for us only at an unsustainable cost, or could make changes to the terms of access in order to make Slack less desirable or harder to access, for competitive reasons. In addition, Slack interoperates with servers, mobile devices, and software applications predominantly through the use of protocols, many of which are created and maintained by third parties. We, therefore, depend on the interoperability of Slack with such third-party services, mobile devices, and mobile operating systems, as well as cloud-enabled hardware, software, networking, browsers, database technologies, and protocols that we do not control. Any changes in such technologies that degrade the functionality of Slack or give preferential treatment to competitive services could adversely affect adoption and usage of Slack. Also, we may not be successful in developing or maintaining relationships with key participants in the mobile industry or in ensuring that Slack operates effectively with a range of operating systems, networks, devices, browsers, protocols, and standards. If we are unable to effectively anticipate and manage these risks, or if it is difficult for users and organizations on Slack to access and use Slack, our business, results of operations, and financial condition may be harmed.
Because we recognize subscription revenue over the subscription term, downturns or upturns in new sales and renewals are not immediately reflected in full in our results of operations.
We recognize revenue from subscriptions to Slack on a straight-line basis over the term of the contract subscription period beginning on the date access to Slack is granted, provided all other revenue recognition criteria have been met. Our subscription arrangements generally have monthly or annual contractual terms. As a result, much of the revenue we report each quarter is the recognition of deferred revenue from recurring subscriptions and related support services contracts entered into during previous quarters. Consequently, a decline in new or renewed recurring subscription contracts in any one quarter will not be fully reflected in revenue in that quarter, but will negatively affect our revenue in future quarters. Accordingly, the effect of significant downturns in new or renewed sales of our recurring subscriptions are not reflected in full in our results of operations until future periods. By contrast, a significant majority of our costs are expensed as incurred, which occurs as soon as a user starts using Slack. As a result, an increase in paid customers could result in our recognition of more costs than revenue in the earlier portion of the subscription term, and we may not attain profitability in any given period.
Our financial results may fluctuate due to increasing variability in our sales cycles as a substantial portion of our sales efforts are targeted at large organizations.
We plan our expenses based on certain assumptions about the length and variability of our sales cycle. These assumptions are based upon historical trends for sales cycles and conversion rates associated with organizations on Slack, which may not be indicative of future trends or results. As we continue to expand our efforts on sales to larger organizations, we expect our average sales cycles to lengthen and become less predictable, which may harm or cause unpredictable fluctuations in our financial results. Factors that may influence the length and variability of our sales cycle include, among other things:
the need to raise awareness about the uses and benefits of Slack, particularly our paid versions;
the need to allay privacy and security concerns or develop required enhancements;
the discretionary nature of purchasing and budget cycles and decisions;

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the competitive nature of evaluation and purchasing processes;
announcements or planned introductions of new features, integrations, and capabilities by us or our competitors; and
often lengthy purchasing approval processes.
Our increasing focus on sales to larger organizations may further increase the variability of our financial results. To achieve acceptance of Slack by additional large organizations, we may need to engage with senior management and other personnel and not just gain acceptance of Slack from employees, who are often the initial adopters of Slack. As a result, sales efforts targeted at large organizations involve greater costs, longer sales cycles, greater competition, and less predictability in completing some of our sales. In the large organization market, an organization’s decision to use Slack, expand the use of Slack, and/or upgrade to a paid version of Slack can sometimes be an enterprise-wide decision, in which case, we typically provide designated account and customer success teams, greater levels of user and customer education to familiarize potential users and organizations with the use and benefits of Slack, as well as the design and implementation of special enterprise-specific integrations. In addition, larger organizations may demand more customization, integration, support services, and features. As a result of these factors, these sales opportunities may require us to devote greater sales support, research and development, customer experience, and professional services resources to these organizations, resulting in increased costs, lengthened sales cycle, and diversion of our own sales and professional services resources to a smaller number of larger organizations. Further, we have limited experience in selling and marketing to larger organizations, and we may not be able to successfully execute our sales and marketing strategy targeted at such large organizations. Moreover, these larger transactions may require us to delay revenue recognition on some of these transactions until the technical or implementation requirements have been met. If we are unable to close one or more expected significant transactions with large organizations in a particular period, or if an expected transaction is delayed until a subsequent period, our results of operations for that period, and for any future periods in which revenue from such transaction would otherwise have been recognized, may be harmed.
If we fail to adapt to rapid technological change, our ability to remain competitive could be impaired.
The industry in which we compete is characterized by rapid technological change, frequent introductions of new products and features, and evolving industry standards and regulatory requirements. Our ability to attract new users and organizations and increase revenue from organizations on Slack will depend in significant part on our ability to anticipate industry standards and trends and continue to enhance Slack and introduce new features, integrations, and capabilities on a timely basis to keep pace with technological developments. If we are unable to provide enhancements and new features and integrations for Slack, develop new features, integrations, and capabilities that achieve market acceptance, or innovate quickly enough to keep pace with rapid technological developments, our business could be harmed. We must also keep pace with changing legal and regulatory regimes that affect Slack and our business practices. We may not be successful in developing modifications, enhancements, and improvements; in bringing them to market quickly or cost-effectively in response to market demands; or at modifying Slack to remain compliant with applicable legal and regulatory requirements.
If we fail to offer high-quality customer experience, our business and reputation will suffer.
While we have designed Slack to be easy to adopt and use, once organizations and their users begin using Slack, those organizations rely on our support services to resolve any related issues. High-quality user and customer education and customer experience has been key to our brand and is important for the successful marketing and sale of Slack, for the conversion of organizations on our free version into paid customers, and for growth or maintenance of our Net Dollar Retention Rate. The importance of high-quality customer experience will increase as we expand our business and pursue new organizations. For instance, if we do not help organizations on Slack quickly resolve issues and provide effective ongoing customer experience at the individual user and organization levels, our ability to sell our paid versions to organizations on our free version would suffer and our reputation with existing or potential users and organizations may be harmed. Further, our sales are highly dependent on our business reputation and on positive recommendations from existing users and organizations on Slack. Any failure to maintain high-quality customer experience, or a market perception that we do not maintain high-quality customer experience, could harm our reputation, our ability to sell Slack to existing and prospective organizations, and our business, results of operations, and financial condition.

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In addition, as we continue to grow our operations and reach a larger and increasingly global customer and user base, we need to be able to provide efficient customer support that meets the needs of organizations on Slack globally at scale. The number of organizations on Slack has grown significantly and that will put additional pressure on our support organization. In order to meet these needs, we have relied in the past, and will continue to rely on, third-party contractors and self-service product support to resolve common or frequently asked questions, which supplement our customer experience teams. If we are unable to provide efficient product support globally at scale, including through the use of third-party contractors and self-service support, our ability to grow our operations may be harmed and we may need to hire additional support personnel, which could harm our results of operations.
Failure to effectively develop and expand our direct sales capabilities could harm our ability to increase the number of organizations on Slack and achieve broader market acceptance of Slack.
Our ability to increase the number of organizations on Slack, grow usage within larger organizations on Slack, and achieve broader market acceptance of Slack among large organizations will depend to a significant extent on our ability to expand our sales operations, particularly our direct sales efforts targeted at C-suite executives and business unit leaders . We plan to continue expanding our direct sales force, both domestically and internationally, in order to reach these large organizations. This expansion will require us to invest significant financial and other resources to train and grow our direct sales force, in order to complement our self-service go-to-market approach . Our business will be harmed if our efforts do not generate a corresponding increase in revenue. We may not achieve anticipated revenue growth from expanding our direct sales force if we are unable to hire and develop talented direct sales personnel, if our new direct sales personnel are unable to achieve desired productivity levels in a reasonable period of time or if we are unable to retain our existing direct sales personnel. We believe that there is significant competition for sales personnel with the skills and technical knowledge that we require. Our ability to achieve revenue growth will depend, in large part, on our success in recruiting, training, and retaining sufficient numbers of sales personnel to support our growth.
Certain estimates of market opportunity included in this prospectus may prove to be inaccurate.
This prospectus includes our internal estimates of the addressable market for Slack. Market opportunity estimates, whether obtained from third-party sources or developed internally, are subject to significant uncertainty and are based on assumptions and estimates that may not prove to be accurate. The estimates and forecasts in this prospectus relating to the size of our target market, market demand and adoption, capacity to address this demand, and pricing may prove to be inaccurate. The addressable market we estimate may not materialize for many years, if ever, and even if the markets in which we compete meet the size estimates in this prospectus, our business could fail to grow at similar rates, if at all.
Adverse general economic and market conditions and reductions in IT spending may reduce demand for Slack, which could harm our revenue, results of operations, and cash flows.
Our revenue, results of operations, and cash flows depend on the overall demand for and use of Slack. Concerns about the systemic impact of a recession (in the United States or globally), energy costs, geopolitical issues, or the availability and cost of credit could lead to increased market volatility, decreased consumer confidence, and diminished growth expectations in the U.S. economy and abroad, which in turn could result in reductions in IT spending by existing and prospective organizations. Prolonged economic slowdowns may result in organizations on Slack requesting us to renegotiate existing contracts on less advantageous terms to us than those currently in place or defaulting on payments due on existing contracts or not renewing at the end of the contract term.
Organizations on Slack may merge with other entities who use alternative software that addresses one or more of the problems that Slack solves and, during weak economic times, there is an increased risk that one or more of our paid customers will file for bankruptcy protection, either of which may harm our revenue, profitability, and results of operations. We also face risk from international paid customers that file for bankruptcy protection in foreign jurisdictions, particularly given that the application of foreign bankruptcy laws may be more difficult to predict. In addition, we may determine that the cost of pursuing any claim may outweigh the recovery potential of such claim. As a result, broadening or protracted extension of an economic downturn could harm our business, revenue, results of operations, cash flows, and financial condition.

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If we fail to maintain our brand cost-effectively, our ability to expand the number of organizations on Slack will be impaired, our reputation may be harmed, and our business, results of operations, and financial condition may suffer.
We believe that developing and maintaining awareness of our brand is critical to achieving widespread acceptance of Slack and is an important element in attracting new organizations to Slack. Furthermore, we believe that the importance of brand recognition will increase as competition in our market increases. Successful promotion of our brand will depend largely on the effectiveness of our marketing efforts and on our ability to ensure that Slack remains high-quality, reliable, and useful at competitive prices.
Brand promotion activities may not yield increased revenue, and even if they do, any increased revenue may not offset the expenses we incur in building our brand. If we fail to successfully promote and maintain our brand, or incur substantial expenses in an unsuccessful attempt to promote and maintain our brand, we may fail to attract new organizations to Slack or to grow or maintain our Net Dollar Retention Rate to the extent necessary to realize a sufficient return on our brand-building efforts, and our business, results of operations, and financial condition could suffer. In January 2019, we launched our new brand campaign. Such rebranding may not be as successful as our current brand and may not achieve its intended results. Furthermore, in connection with the development and implementation of our rebranding campaign, we have spent, and continue to expect to spend, additional time and costs, including those associated with advertising and marketing efforts. If we are unable to effectively implement our rebranding campaign, our business, results of operations, and financial condition could suffer.
In addition, independent industry analysts often provide reviews of Slack, as well as the products offered by our competitors, and perception of the relative value of Slack in the marketplace may be significantly influenced by these reviews. If these reviews are negative, or less positive as compared to those of our competitors’ products, our brand may be harmed.
One of our marketing strategies is to offer a free version of Slack, and we may not be able to realize the benefits of this strategy.
We offer a free version of Slack to promote initial usage, brand and product awareness, and organic adoption. Historically, not all users of and organizations on our free version convert to one of our paid versions. Our marketing strategy depends in part on users of and/or organizations on the free version of Slack convincing others within their organizations to use Slack and to drive the conversion to purchasing subscriptions to Standard, Plus, or Enterprise Grid. To the extent that some of these users and organizations do not become, or lead others to become, paid customers, we will not realize the intended benefits of this marketing strategy, which incurs costs as we must pay to host our free version, and our ability to grow our business may be harmed and our results of operations and financial condition could suffer.
We derive, and expect to continue to derive, substantially all of our revenue from a single product.
We derive, and expect to continue to derive, substantially all of our revenue from a single product – Slack. As such, the continued growth in market demand for and market acceptance of Slack is critical to our continued success. Demand for Slack is affected by a number of factors, many of which are beyond our control, such as continued market acceptance, the timing of development, and release of competing new products; the development and acceptance of new features, integrations, and capabilities; price or product changes by us or our competitors; technological changes and developments within the markets we serve; growth, contraction, and rapid evolution of our market; and general economic conditions and trends. If we are unable to continue to meet demands of organizations on Slack or trends in preferences or to achieve more widespread market acceptance of Slack, our business, results of operations, and financial condition could be harmed. Changes in preferences of users or organizations on Slack for software may have a disproportionately greater impact on us than if we offered multiple products. In addition, some current and potential organizations, particularly large organizations, may develop or acquire their own tools or software or continue to rely on traditional tools and software, such as email, which would reduce or eliminate the demand for Slack. If demand for Slack declines for any of these or other reasons, our business could be adversely affected.

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Our corporate culture has contributed to our success, and if we cannot maintain this culture as we grow, we could lose the innovative approach, creativity, and teamwork fostered by our culture and our business could be harmed.
We believe that an important contributor to our success has been our corporate culture, which we believe creates an environment that drives and perpetuates our strategy to create a better, more productive way to work. As we continue to grow, including geographically, and develop the infrastructure of a public company, we may find it difficult to maintain our corporate culture. Any failure to preserve our culture could harm our future success, including our ability to retain and recruit personnel, innovate and operate effectively, and execute on our business strategy.
Interruptions or delays in the services provided by third-party data centers or Internet service providers could impair Slack and our business could suffer.
We currently serve organizations on Slack from third-party data centers operated by AWS. Any damage to or failure of our systems generally would prevent us from operating our business. We rely on the Internet and, accordingly, depend upon the continuous, reliable, and secure operation of Internet servers, related hardware and software, and network infrastructure. We host Slack using AWS data centers, a provider of cloud infrastructure services. Our operations depend on protecting the virtual cloud infrastructure hosted in AWS by maintaining its configuration, architecture, and interconnection specifications, as well as the information stored in these virtual data centers and which third-party Internet service providers transmit. Furthermore, we have no physical access or control over the services provided by AWS. Although we have disaster recovery plans that utilize multiple AWS locations, the data centers that we use are vulnerable to damage or interruption from human error, intentional bad acts, earthquakes, floods, fires, severe storms, war, terrorist attacks, power losses, hardware failures, systems failures, telecommunications failures, and similar events, many of which are beyond our control, any of which could disrupt our service, destroy user content, or prevent us from being able to continuously back up or record changes in our users’ content. In the event of significant physical damage to one of these data centers, it may take a significant period of time to achieve full resumption of our services, and our disaster recovery planning may not account for all eventualities. Further, a prolonged AWS service disruption affecting Slack for any of the foregoing reasons could damage our reputation with current and potential organizations, expose us to liability, cause us to lose organizations on Slack, or otherwise harm our business. We may also incur significant costs for using alternative equipment or taking other actions in preparation for, or in reaction to, events that damage the AWS services we use. Damage or interruptions to these data centers could harm our business. Moreover, negative publicity arising from these types of disruptions could damage our reputation and may adversely impact use of Slack. We may not carry sufficient business interruption insurance to compensate us for losses that may occur as a result of any events that cause interruptions in our service. Further, the contractual commitments that we provide to organizations on Slack with regard to data privacy are limited by the commitments that AWS has provided us.
AWS enables us to order and reserve server capacity in varying amounts and sizes distributed across multiple regions. AWS provides us with computing and storage capacity pursuant to an agreement that continues until terminated by either party. In some cases, AWS may terminate the agreement for cause upon 30 days’ notice. Termination of the AWS agreement may harm our ability to access data centers we need to host Slack or to do so on terms as favorable as those we have with AWS.
Slack is accessed by a large number of organizations and users, and as we continue to expand the number of users and organizations on Slack and integrations available to organizations on Slack, we may not be able to scale our technology to accommodate the increased capacity requirements, which may result in interruptions or delays in service. In addition, the failure of AWS data centers or third-party Internet service providers to meet our capacity requirements could result in interruptions or delays in access to Slack or impede our ability to scale our operations. In the event that our AWS service agreements are terminated, or there is a lapse of service, interruption of Internet service provider connectivity or damage to such facilities, we could experience interruptions in access to Slack as well as delays and additional expense in arranging new facilities and services.
Our growth depends, in part, on the success of our strategic relationships with third parties.
To grow our business and build out our application ecosystem, we anticipate that we will continue to depend on relationships with third parties. Identifying partners, and negotiating and documenting relationships with them, requires significant time and resources. Further, our competitors may be effective in providing incentives to third parties to favor their products or services over Slack. If we are unsuccessful in establishing or maintaining our relationships with third

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parties, if any existing or future partners fail to successfully implement or support Slack integrations, or if they partner with our competitors and devote greater resources to implement and support the products and solutions of competitors, our ability to compete in the marketplace, or to grow our revenue, could be impaired, and our results of operations may suffer. Even if we are successful, we cannot assure you that these relationships will result in increased usage of Slack or increased revenue.
We rely on software and services from other parties. Defects in, or the loss of access to, software or services from third parties could increase our costs and adversely affect the quality of Slack.
We rely on technologies from third parties to operate critical functions of our business, including cloud infrastructure services provided by AWS and customer relationship management services. Our business would be disrupted if any of the third-party software or services we utilize, or functional equivalents thereof, were unavailable due to extended outages or interruptions or because they are no longer available on commercially reasonable terms or prices. In each case, we would be required to either seek licenses to software or services from other parties and redesign Slack or certain aspects of Slack to function with such software or services or develop these components ourselves, which would result in increased costs and could result in delays in launches and releases of new features, integrations, capabilities or enhancements until equivalent technology can be identified, licensed, or developed, and integrated into Slack. Furthermore, we might be forced to limit the features available in Slack. These delays and feature limitations, if they occur, could harm our business, results of operations, and financial condition.
If we fail to adequately protect our proprietary rights, our competitive position could be impaired and we may lose valuable assets, generate reduced revenue, and incur costly litigation to protect our rights.
Our success is dependent, in part, upon protecting our proprietary information and technology. We rely on a combination of patents, copyrights, trademarks, service marks, trade secret laws, and contractual restrictions to establish and protect our proprietary rights. However, the steps we take to protect our intellectual property may be inadequate. We will not be able to protect our intellectual property if we are unable to enforce our rights or if we do not detect unauthorized use of our intellectual property. Despite our precautions, it may be possible for unauthorized third parties to copy Slack, or certain aspects of Slack, and use information that we regard as proprietary to create products that compete with Slack. Some license provisions protecting against unauthorized use, copying, transfer, and disclosure of Slack, or certain aspects of Slack, may be unenforceable under the laws of certain jurisdictions and foreign countries. Further, the laws of some countries do not protect proprietary rights to the same extent as the laws of the United States, and mechanisms for enforcement of intellectual property rights in some foreign countries may be inadequate. To the extent we expand our international activities, our exposure to unauthorized copying and use of Slack, or certain aspects of Slack, and proprietary information may increase. Further, competitors, foreign governments, foreign government-backed actors, criminals, or other third parties may gain unauthorized access to our proprietary information and technology. Accordingly, despite our efforts, we may be unable to prevent third parties from infringing upon or misappropriating our technology and intellectual property.
We rely in part on trade secrets, proprietary know-how, and other confidential information to maintain our competitive position. Although we enter into confidentiality and invention assignment agreements with our employees and consultants and enter into confidentiality agreements with the parties with whom we have strategic relationships and business alliances, no assurance can be given that these agreements will be effective in controlling access to and distribution of Slack, or certain aspects of Slack, and proprietary information. Further, these agreements do not prevent our competitors from independently developing technologies that are substantially equivalent or superior to Slack.
To protect our intellectual property rights, we may be required to spend significant resources to monitor and protect these rights, and we may or may not be able to detect infringement by third parties. Litigation may be necessary in the future to enforce our intellectual property rights and to protect our trade secrets. Such litigation could be costly, time consuming, and distracting to management and could result in the impairment or loss of portions of our intellectual property. Furthermore, our efforts to enforce our intellectual property rights may be met with defenses, counterclaims, and countersuits attacking the validity and enforceability of our intellectual property rights. Our inability to protect our proprietary technology against unauthorized copying or use, as well as any costly litigation or diversion of our management’s attention and resources, could delay further sales or the implementation of Slack, impair the functionality of Slack, delay introductions of new features, integrations, and capabilities, result in our substituting inferior or more

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costly technologies into Slack, or injure our reputation. In addition, we may be required to license additional technology from third parties to develop and market new features, integrations, and capabilities, and we cannot assure you that we could license that technology on commercially reasonable terms or at all, and our inability to license this technology could harm our ability to compete.
Our results of operations may be harmed if we are subject to a protracted infringement claim, a claim that results in a significant damage award, or a claim that results in an injunction.
There is considerable patent and other intellectual property development and enforcement activity in our industry. We expect that software product developers will increasingly be subject to infringement claims as the number of products and competitors grows and the functionality of products in different industry segments overlaps. Our future success depends in part on not infringing upon or misappropriating the intellectual property rights of others. Other companies have claimed in the past, and may claim in the future, that we infringe upon their intellectual property rights. A claim may also be made relating to technology that we acquire or license from third parties. If we were subject to a claim of infringement, regardless of the merit of the claim or our defenses, the claim could:
require costly litigation to resolve and the payment of substantial damages;
require and divert significant management time;
cause us to enter into unfavorable royalty or license agreements;
require us to discontinue some or all of the features, integrations, and capabilities available in Slack;
require us to indemnify organizations on Slack or third-party service providers; and/or
require us to expend additional development resources to redesign Slack or certain aspects of Slack.
Any one or more of the above could harm our business, results of operations, and financial condition.
We use open source software, which could negatively affect our ability to offer Slack and subject us to litigation or other actions.
We use substantial amounts of open source software in Slack and may use more open source software in the future. From time to time, there have been claims challenging both the ownership of open source software against companies that incorporate open source software into their products and whether such incorporation is permissible under various open source licenses. The terms of many open source licenses have not been interpreted by U.S. courts, and there is a risk that these licenses could be construed in a way that could impose unanticipated conditions or restrictions on our ability to commercialize Slack. As a result, we could be subject to lawsuits by parties claiming ownership of what we believe to be open source software, or breach of open source licenses. Litigation could be costly for us to defend, have a negative effect on our results of operations and financial condition, or require us to devote additional research and development resources to change Slack, or certain aspects of Slack. In addition, if we were to combine our proprietary source code or software with open source software in a certain manner, we could, under certain of the open source licenses, be required to release the source code of our proprietary software to the public. This would allow our competitors to create similar products with less development effort and time. If we inappropriately use open source software, or if the license terms for open source software that we use change, we may be required to re-engineer our Slack, or certain aspects of Slack, incur additional costs, discontinue the sale of Slack or the availability of certain features, integrations, or capabilities of Slack, or take other remedial actions.
In addition to risks related to license requirements, usage of open source software can lead to greater risks than use of third-party commercial software, as open source licensors generally do not provide warranties or assurance of title or controls on origin of the software. In addition, many of the risks associated with usage of open source software, such as the lack of warranties or assurances of title, cannot be eliminated, and could, if not properly addressed, negatively affect our business. We have established processes to help alleviate these risks, but we cannot be sure that all of our use of open source software is in a manner that is consistent with our current policies and procedures, or will not subject us to liability.

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Indemnity provisions in various agreements potentially expose us to substantial liability for intellectual property infringement and other losses.
Our agreements with organizations on Slack and other third parties may include indemnification or other provisions under which we agree to indemnify or otherwise be liable to them for losses suffered or incurred as a result of claims of intellectual property infringement, damages caused by us to property or persons, or other liabilities relating to or arising from the use of Slack or other acts or omissions. The term of these contractual provisions often survives termination or expiration of the applicable agreement. As we continue to grow, the possibility of these and other intellectual property rights claims against us may increase. For any intellectual property rights indemnification claim against us or organizations on Slack, we may incur significant legal expenses and may have to pay damages, license fees and/or stop using technology found to be in violation of the third party’s rights. Large indemnity payments could harm our business, results of operations, and financial condition. We may also have to seek a license for the technology. Such license may not be available on reasonable terms, if at all, and may significantly increase our operating expenses or may require us to restrict our business activities and limit our ability to deliver Slack and/or certain features, integrations, and capabilities of Slack. As a result, we may also be required to develop alternative non-infringing technology, which could require significant effort and expense and/or cause us to alter Slack, which could negatively affect our business.
From time to time, organizations on Slack may require us to indemnify or otherwise be liable to them for breach of confidentiality, violation of applicable law, or failure to implement adequate security measures with respect to their data stored, transmitted, or accessed using Slack. Although we normally contractually limit our liability with respect to such obligations, the existence of such a dispute may have adverse effects on our relationship with organizations on Slack and reputation or such limitations may not be honored in every jurisdiction and we may still incur substantial liability related to them.
Any assertions by a third party, whether or not successful, with respect to such indemnification obligations could subject us to costly and time-consuming litigation, expensive remediation and licenses, divert management attention and financial resources, harm our relationship with that organization on Slack and other current and prospective organizations, reduce demand for Slack, and harm our brand, business, results of operations, and financial condition.
We provide service level commitments under certain of our paid customer contracts. If we fail to meet these contractual commitments, we could be obligated to provide credits for future service, or face contract termination with refunds of prepaid amounts related to unused subscriptions, which could harm our business, results of operations, and financial condition.
Certain of our paid customer agreements contain service level agreements, under which we guarantee specified minimum availability of Slack. From time to time, we have granted credits to paid customers pursuant to the terms of these agreements. We do not currently have any material liabilities accrued on our balance sheet for these commitments. Any failure of or disruption to our infrastructure could make Slack unavailable to organizations on Slack. If we are unable to meet the stated service level commitments to our paid customers or suffer extended periods of unavailability of Slack, we may be contractually obligated to provide affected paid customers with service credits for future subscriptions, or paid customers could elect to terminate and receive refunds for prepaid amounts related to unused subscriptions. Our revenue, other results of operations, and financial condition could be harmed if we suffer unscheduled downtime that exceeds the service level commitments under our agreements with our paid customers, and any extended service outages could adversely affect our business and reputation as paid customers may elect not to renew and we could lose future sales.
We may be subject to liability claims if we breach our contracts and our insurance may be inadequate to cover our losses.
We are subject to numerous obligations in our contracts with organizations on Slack and our partners. Despite the procedures, systems and internal controls we have implemented to comply with our contracts, we may breach these commitments, whether through a weakness in these procedures, systems, and internal controls, negligence, or the willful act of an employee or contractor. Our insurance policies, including our errors and omissions insurance, may be inadequate to compensate us for the potentially significant losses that may result from claims arising from breaches of our contracts, disruptions in our services, failures or disruptions to our infrastructure, catastrophic events, and disasters or otherwise.

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In addition, such insurance may not be available to us in the future on economically reasonable terms, or at all. Further, our insurance may not cover all claims made against us and defending a suit, regardless of its merit, could be costly and divert management’s attention.
We may be subject to litigation for a variety of claims, which could harm our reputation and adversely affect our business, results of operations, and financial condition.
In the ordinary course of business, we may be involved in and subject to litigation for a variety of claims or disputes and receive regulatory inquiries. These claims, lawsuits, and proceedings could include labor and employment, wage and hour, commercial, antitrust, alleged securities law violations or other investor claims, and other matters. The number and significance of these potential claims and disputes may increase as our business expands. Further, our general liability insurance may not cover all potential claims made against us or be sufficient to indemnify us for all liability that may be imposed. Any claim against us, regardless of its merit, could be costly, divert management’s attention and operational resources, and harm our reputation. As litigation is inherently unpredictable, we cannot assure you that any potential claims or disputes will not have a material adverse effect on our business, results of operations, and financial condition.
We may be subject to federal and state health privacy laws and regulations. If we are unable to comply or have not fully complied with such laws and regulations, we could face government enforcement actions, civil penalties, criminal sanctions, or damages, which could harm our reputation and adversely affect our business.
We may function as a HIPAA business associate for certain of our paid customers and, as such, are subject to applicable privacy and data security requirements. If we fail to comply with any of these requirements, we could be subject to significant liability, which could harm our reputation and adversely affect our business as well as our ability to attract new and retain existing paid customers.
The Health Insurance Portability and Accountability Act of 1996, as amended by the Health Information Technology for Economic and Clinical Health Act, or HITECH, and their respective implementing regulations, or collectively, HIPAA, establish a set of federal privacy and security standards for the protection of individually identifiable health information that apply to health plans, healthcare clearinghouses, and healthcare providers that submit certain covered transactions, or “covered entities.” A subset of these standards also apply to ‘‘ business associates ,’’ which are persons or entities that perform certain services for, or on behalf of, a covered entity that involve creating, receiving, maintaining, or transmitting protected health information.
Certain of our paid customers are HIPAA covered entities and service providers, and in that context we may function as a business associate under HIPAA. Among other things, this status means that for certain activities we must comply with applicable administrative, technical, and physical safeguards as required by HIPAA, including stringent data security obligations. F ailure to comply with HIPAA can result in significant civil monetary penalties and, in certain circumstances, criminal penalties with fines and/or imprisonment.
The HIPAA covered entities and service providers to whom we serve as a business associate require us to enter into HIPAA-compliant business associate agreements with them. If we are unable to comply with our obligations as a HIPAA business associate, we could face contractual liability under the applicable business associate agreement .
In addition, many state laws govern the privacy and security of health information in certain circumstances, many of which differ from HIPAA. There may also be costs associated with responding to government investigations regarding alleged violations of these and other laws and regulations, even if there are ultimately no findings of violations or no penalties imposed. These costs can consume company resources and impact our business and, if public, harm our reputation.
If we are unable to meet the requirements of HIPAA, our business associate agreements or state health privacy laws, we could face contractual liability or civil and criminal liability under HIPAA, all of which can have an adverse impact on our business and generate negative publicity, which, in turn, can have an adverse impact on our ability to attract new paid customers and to grow or maintain our Net Dollar Retention Rate.

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We are subject to anti-corruption, anti-bribery, and similar laws, and non-compliance with such laws can subject us to criminal penalties or significant fines and harm our business and reputation.
We are subject to anti-corruption and anti-bribery and similar laws, such as the U.S. Foreign Corrupt Practices Act of 1977, as amended, or the FCPA, the U.S. domestic bribery statute contained in 18 U.S.C. § 201, U.S. Travel Act, the USA PATRIOT Act, the U.K. Bribery Act 2010, and other anti-corruption, anti-bribery and anti-money laundering laws in countries in which we conduct activities. Anti-corruption and anti-bribery laws have been enforced aggressively in recent years and are interpreted broadly and prohibit companies and their employees and agents from promising, authorizing, making, or offering improper payments or other benefits to government officials and others in the private sector. As we increase our international sales and business, our risks under these laws may increase. Noncompliance with these laws could subject us to investigations, sanctions, settlements, prosecution, other enforcement actions, disgorgement of profits, significant fines, damages, other civil and criminal penalties or injunctions, adverse media coverage, and other consequences. Any investigations, actions or sanctions could harm our business, results of operations, and financial condition.
In addition, in the future we may use third parties to sell access to Slack and conduct business on our behalf abroad. We or such future third-party intermediaries may have direct or indirect interactions with officials and employees of government agencies or state-owned or affiliated entities, and we can be held liable for the corrupt or other illegal activities of such future third-party intermediaries, and our employees, representatives, contractors, partners, and agents, even if we do not explicitly authorize such activities. We have implemented an anti-corruption compliance program but cannot assure you that all our employees and agents, as well as those companies to which we outsource certain of our business operations, will not take actions in violation of our policies and applicable law, for which we may be ultimately held responsible. Any violation of the FCPA, other applicable anti-corruption laws, or anti-money laundering laws could result in whistleblower complaints, adverse media coverage, investigations, loss of export privileges, severe criminal or civil sanctions and, in the case of the FCPA, suspension or debarment from U.S. government contracts, any of which could have a materially adverse effect on our reputation, business, results of operations, and prospects.
We are subject to governmental export controls and economic sanctions laws that could impair our ability to compete in international markets and subject us to liability if we are not in full compliance with applicable laws.
Some of our business activities may be subject to various restrictions under U.S. and E.U. export controls and trade and economic sanctions laws, including, among others, the U.S. Commerce Department’s Export Administration Regulations and economic and trade sanctions regulations maintained by the U.S. Treasury Department’s Office of Foreign Assets Control. U.S. and E.U. export control laws and U.S. and E.U. economic sanctions laws may prohibit or restrict the sale or supply of certain products, including encryption items and technology, and services to certain governments, persons, and entities and countries and territories, including those that are the target of comprehensive sanctions. In addition, various countries regulate the import of certain encryption technology, including through import permitting and licensing requirements, and have enacted laws that could limit our ability to distribute Slack or could limit the ability of organizations on Slack to implement Slack in those countries. Although we take precautions to prevent Slack from being provided in violation of such laws and regulations, we cannot guarantee that such precautions will be fully effective and Slack may have been in the past, and could in the future be, provided inadvertently in violation of such laws, despite the precautions we take. If we fail to comply with these laws and regulations, we and certain of our employees could be subject to civil or criminal penalties, government investigation, loss of export privileges, and reputational harm. Further, obtaining the necessary authorizations, including any required licenses, for a particular transaction may be time-consuming, is not guaranteed, and may result in the delay or loss of sales opportunities. Although we take precautions to prevent transactions with sanction targets, we cannot guarantee that such precautions will be fully effective and we could inadvertently provide Slack to persons prohibited by U.S. and E.U. sanctions, which could result in negative consequences to us, including government investigations, penalties, and harm to our reputation.
In addition, changes in Slack, or future changes in export and import regulations may prevent our users with international operations from using Slack globally or, in some cases, prevent the export or import of Slack to certain countries, governments, or persons altogether. Any change in export or import regulations, economic sanctions or related legislation, or change in the countries, governments, persons, or technologies targeted by such regulations, could result in decreased use of Slack by, or in our decreased ability to export or sell subscriptions to Slack to, existing or

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potential users with international operations. Any decreased use of Slack or limitation on our ability to export or sell Slack would likely adversely affect our business, results of operations and financial condition.
We are subject to a variety of U.S. and international laws that could subject us to claims, increase our operating expenses, or otherwise harm our business due to changes in the laws, changes in the interpretations of the laws, greater enforcement of the laws, or investigations into compliance with the laws.
We are subject to compliance with various laws, including those covering copyright, consumer protection, child protection, and similar matters. There have been instances where improper or illegal content has been stored on Slack without our knowledge. As a service provider, with some exceptions, we do not regularly monitor Slack to evaluate the legality of content stored on it. While to date we have not been subject to material legal or administrative actions as a result of the content stored on Slack or the activities conducted or organized using Slack, the laws in this area are currently in a state of flux and vary widely between jurisdictions. Accordingly, it may be possible that in the future we and our competitors may be subject to legal actions, along with the organizations on Slack and users who upload improper or illegal content, or engage in improper or illegal activities using Slack. In addition, regardless of any legal liability we may face, our reputation could be harmed should there be an incident generating negative publicity about the content stored on Slack, or the activities conducted or organized using Slack. Such publicity could harm our reputation and brand as well as our business, results of operations, and financial condition.
We may also be subject to consumer privacy or consumer protection laws that may impact our sales, marketing, and compliance efforts, including laws related to subscriptions, billing, and auto-renewal. These laws, as well as any changes in these laws, could adversely affect our free version of Slack and make it more difficult for us to grow or maintain our Net Dollar Retention Rate, upgrade organizations on Slack, and attract new organizations to Slack. Additionally, we have in the past, are currently, and may from time to time in the future become the subject of inquiries and other actions by regulatory authorities as a result of our business practices, including our subscription, billing, and auto-renewal policies. Consumer privacy and consumer protection laws may be interpreted or applied by regulatory authorities in a manner that could require us to make changes to Slack, our contracts, or our operations, or incur fines, penalties, or settlement expenses, which may result in harm to our business, results of operations, financial condition, and brand.
Further, in certain countries, we may be classified as a telecommunications service provider, or our classification may be uncertain. Such classification as a telecommunications service provider could restrict our ability to operate in such markets without appropriate local authorization, or at all.
We are also subject to other U.S. and international laws. Although we take precautions to prevent violations of these laws, our exposure for violating these laws increases as we continue to expand our international presence and any failure to comply with such laws could harm our reputation and our business.
Action by governments to restrict access to Slack in their countries or to require us to disclose or provide access to information in our possession could harm our business, results of operations, and financial condition.
Slack depends on the ability of our users to access the Internet and Slack could be blocked or restricted in some countries for various reasons. Further, it is possible that governments of one or more foreign countries may seek to limit access to or certain features of Slack in their countries, or impose other restrictions that may affect the availability of Slack, or certain features of Slack, in their countries for an extended period of time or indefinitely. For example, Russia and China are among a number of countries that have recently blocked certain online services, including AWS, which hosts Slack, making it very difficult for such services to access those markets. In addition, governments in certain countries may seek to restrict or prohibit access to Slack if they consider us to be in violation of their laws and may require us to disclose or provide access to information in our possession. If we fail to anticipate developments in the law, or fail for any reason to comply with relevant law, Slack could be further blocked or restricted and we could be exposed to significant liability that could harm our business. In the event that access to Slack is restricted, in whole or in part, in one or more countries or our competitors are able to successfully penetrate geographic markets that we cannot access, our ability to grow or maintain our Net Dollar Retention Rate may be adversely affected, we may not be able to maintain or grow our revenue as anticipated and our business, results of operations, and financial condition could be adversely affected.

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Because our success depends, in part, on our ability to expand sales of Slack to organizations located outside of the United States, our business will be susceptible to risks associated with international operations.
We currently maintain offices and have sales personnel outside the United States in Australia, Canada, Ireland, India, Japan, and the United Kingdom, and we intend to expand our international operations. In fiscal years 2017, 2018, and 2019, our non-U.S. revenue was 34%, 34%, and 36% of our total revenue, respectively. We expect to continue to expand our international operations, which may include opening offices in new jurisdictions and providing Slack in additional languages. Any additional international expansion efforts that we are undertaking and may undertake may not be successful. In addition, conducting international operations subjects us to new risks, some of which we have not generally faced in the United States or in other countries where we currently operate. These risks include, among other things:
unexpected costs and errors in the localization of Slack, including translation into foreign languages and adaptation for local culture, practices, and regulatory requirements;
lack of familiarity and burdens of complying with foreign laws, legal standards, privacy standards, regulatory requirements, tariffs, and other barriers, and the risk of penalties to our users and individual members of management or employees if our practices are deemed to be out of compliance;
practical difficulties of enforcing intellectual property rights in countries with varying laws and standards and reduced or varied protection for intellectual property rights in some countries;
an evolving legal framework and additional legal or regulatory requirements for data privacy, which may necessitate the establishment of systems to maintain data in local markets, requiring us to invest in additional data centers and network infrastructure, and the implementation of additional employee data privacy documentation (including locally-compliant data privacy notice and policies), all of which may involve substantial expense and may cause us to need to divert resources from other aspects of our business, all of which may adversely affect our business;
as a U.S. company, we are subject to U.S. laws concerning governmental access to data and the risk, or perception of risk, of such access may make Slack less attractive to organizations outside the U.S., and compliance with such U.S. laws may conflict with legal obligations that we, or our organizations on Slack, may be subject to in other countries;
unexpected changes in regulatory requirements, taxes, trade laws, tariffs, export quotas, custom duties, or other trade restrictions;
difficulties in managing systems integrators and technology partners;
differing technology standards;
longer accounts receivable payment cycles and difficulties in collecting accounts receivable;
increased financial accounting and reporting burdens and complexities;
difficulties in managing and staffing international operations including the proper classification of independent contractors and other contingent workers, differing employer/employee relationships, and local employment laws;
increased costs involved with recruiting and retaining an expanded employee population outside the United States through cash and equity-based incentive programs and unexpected legal costs and regulatory restrictions in issuing our shares to employees outside the United States;
global political and regulatory changes that may lead to restrictions on immigration and travel for our employees outside the United States;
fluctuations in exchange rates that may decrease the value of our foreign-based revenue;

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potentially adverse tax consequences, including the complexities of foreign value added tax (or other tax) systems, and restrictions on the repatriation of earnings; and
permanent establishment risks and complexities in connection with international payroll, tax, and social security requirements for international employees.
Additionally, operating in international markets also requires significant management attention and financial resources. We cannot be certain that the investment and additional resources required in establishing operations in other countries will produce desired levels of revenue or profitability.
Further, we have not engaged in currency hedging activities to limit risk of exchange rate fluctuations. Changes in exchange rates affect our costs and earnings, and may also affect the book value of our assets located outside the United States and the amount of our stockholders’ equity.
Compliance with laws and regulations applicable to our global operations also substantially increases our cost of doing business in foreign jurisdictions. We have limited experience in marketing, selling, and supporting Slack outside of the United States. Our limited experience in operating our business internationally increases the risk that any potential future expansion efforts that we may undertake will not be successful. If we invest substantial time and resources to expand our international operations and are unable to do so successfully and in a timely manner, our business, results of operations, and financial condition will suffer. We may be unable to keep current with changes in government requirements as they change from time to time. Failure to comply with these regulations could harm our business. In many countries, it is common for others to engage in business practices that are prohibited by our internal policies and procedures or other regulations applicable to us. Although we have implemented policies and procedures designed to ensure compliance with these laws and policies, there can be no assurance that all of our employees, contractors, partners, and agents will comply with these laws and policies. Violations of laws or key control policies by our employees, contractors, partners, or agents could result in delays in revenue recognition, financial reporting misstatements, enforcement actions, reputational harm, disgorgement of profits, fines, civil and criminal penalties, damages, injunctions, other collateral consequences, or the prohibition of the importation or exportation of Slack and could harm our business, results of operations, and financial condition.
We may face exposure to foreign currency exchange rate fluctuations.
Today, our contracts with paid customers outside of the United States are sometimes denominated in local currencies. In addition, the majority of our foreign costs are denominated in local currencies. Over time, an increasing portion of our contracts with paid customers outside of the United States may be denominated in local currencies. Therefore, fluctuations in the value of the U.S. dollar and foreign currencies may affect our results of operations when translated into U.S. dollars. We do not currently engage in currency hedging activities to limit the risk of exchange rate fluctuations. However, in the future, we may use derivative instruments, such as foreign currency forward and option contracts, to hedge certain exposures to fluctuations in foreign currency exchange rates. The use of such hedging activities may not offset any or more than a portion of the adverse financial effects of unfavorable movements in foreign exchange rates over the limited time the hedges are in place. Moreover, the use of hedging instruments may introduce additional risks if we are unable to structure effective hedges with such instruments.
Exposure to political developments in the United Kingdom, including the outcome of the U.K. referendum on membership in the European Union, could harm us.
On June 23, 2016, a referendum was held on the United Kingdom’s membership in the European Union, the outcome of which was a vote in favor of leaving the European Union. The United Kingdom’s vote to leave the European Union has created an uncertain political and economic environment in the United Kingdom and across other European Union member states. The result of the referendum means that the long-term nature of the United Kingdom’s relationship with the European Union is unclear and that there is considerable uncertainty as to whether and when any such relationship will be agreed and implemented. The political and economic instability created by the United Kingdom’s vote to leave the European Union has caused and may continue to cause significant volatility in global financial markets and the value of the British Pound or other currencies, including the Euro. Depending on the terms reached regarding any exit from the European Union, or if no such terms are reached, it is possible that there may be adverse practical or operational implications on our business. For example, the UK Data Protection Act that substantially implements the

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GDPR became effective in May 2018. It remains unclear, however, how United Kingdom data protection laws or regulations will develop in the medium to longer term and how data transfers to and from the United Kingdom will be regulated and how those regulations may differ from those in the European Union. Further, the United Kingdom’s exit from the European Union may create increased compliance costs and an uncertain regulatory landscape for offering equity-based incentives to our employees in the United Kingdom. If we are unable to maintain equity-based incentive programs for our employees in the United Kingdom due to the departure of the United Kingdom from the European Union, our business in the United Kingdom may suffer and we may face legal claims from employees in the United Kingdom to whom we previously offered equity-based incentive programs.
Our activities in the United States subject us to various laws relating to foreign investment and the export of certain technologies, and our failure to comply with these laws or adequately monitor the compliance of our suppliers and others we do business with could subject us to fines, penalties, and even injunctions, the imposition of which on us could have a material adverse effect on the success of our business.
Because we are a U.S. business with substantial operations in the United States, we may be subject to U.S. laws that regulate foreign investments in U.S. businesses and access by foreign persons to technology developed and produced in the United States. These laws include Section 721 of the Defense Production Act of 1950, as amended by the Foreign Investment Risk Review Modernization Act of 2018, and the regulations at 31 C.F.R. Parts 800 and 801, as amended, administered by the Committee on Foreign Investment in the United States; and the Export Control Reform Act of 2018, which is being implemented in part through Commerce Department rulemakings to impose new export control restrictions on “emerging and foundational technologies” yet to be fully identified. Application of these laws, including as they are implemented through regulations being developed, may negatively impact our business in various ways, including by restricting our access to capital and markets; limiting the collaborations we may pursue; regulating the export of our service and technology from the United States and abroad; increasing our costs and the time necessary to obtain required authorizations and to ensure compliance; and threatening monetary fines and other penalties if we do not.
We may be required to defer recognition of some of our revenue, which may harm our financial results in any given period.
We may be required to defer recognition of revenue for a significant period of time after entering into an agreement due to a variety of factors, including, among other things, whether:
the paid customer fails to deploy Slack to as many users as contemplated in the agreement given that, in many of our transactions, revenue is reduced in the form of fair billing credits we provide to paid customers when a user becomes inactive;
contract modification is granted to reduce commitment or to lower fees because of frequent service interruptions or because Slack did not meet the paid customer’s needs or expectations;
service outages result in failure to meet our monthly uptime guarantee because revenue is reduced when we compensate paid customers in the form of credits promised under our service level agreements;
the transaction includes an option to renew at significantly higher discounts than what was provided under existing agreement and other comparable transactions;
the transaction is contingent on future functionality that is not delivered within the paid customer’s expected timeline; or
the transaction involves acceptance criteria or other contingencies that may delay revenue recognition.
Because of these factors and other specific revenue recognition requirements under GAAP, we must have very precise terms in our contracts to recognize revenue when we initially provide access to Slack or perform services. Although we strive to enter into agreements that meet the criteria under GAAP for current revenue recognition on delivered elements, our agreements are often subject to negotiation and revision based on the demands of our paid customers. The final terms of our agreements sometimes result in deferred revenue recognition well after the time of delivery, which may adversely affect our financial results in any given period.

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Furthermore, the presentation of our financial results requires us to make estimates and assumptions that may affect the timing of revenue recognition as well as how revenue is allocated between revenue categories. In some instances, we could reasonably use different estimates and assumptions, and changes in estimates are likely to occur from period to period as new updated information becomes available or when there is a change in prevailing conditions. Accordingly, actual results could differ significantly from our estimates.
We have limited experience with respect to determining the optimal prices for Slack.
We have limited experience with respect to determining the optimal prices for Slack and, as a result, we have in the past, and expect in the future, that we will need to change our pricing model from time to time. In the past, we have sometimes adjusted our prices either for individual paid customers in connection with long-term agreements or unique situations. Moreover, demand for Slack is also sensitive to price. Many factors, including our marketing, user acquisition and technology costs, and our current and future competitors’ pricing and marketing strategies, can significantly affect our pricing strategies. Further, certain of our competitors offer, or may in the future offer, lower-priced or free products or services that compete with Slack or may bundle functionality compatible with Slack and offer a broader range of products and services. Similarly, certain competitors may use marketing strategies that enable them to acquire users more rapidly or at a lower cost than us, or both, and we may be unable to attract new users and organizations or grow or maintain our Net Dollar Retention Rate based on our historical pricing. As we expand internationally, we also must determine the appropriate price to enable us to compete effectively internationally. In addition, if our mix of features, integrations, and capabilities on Slack changes or we develop additional versions for specific use cases or additional premium versions, then we may need to, or choose to, revise our pricing. There can be no assurance that we will not be forced to engage in price-cutting initiatives or to increase our marketing and other expenses to attract users and organizations to Slack and to grow or maintain our Net Dollar Retention Rate in response to competitive or other pressures, either of which could materially and adversely affect our business, results of operations, and financial condition.
Future acquisitions, strategic investments, partnerships, or alliances could be difficult to identify and integrate, divert the attention of key management personnel, disrupt our business, dilute stockholder value, and harm our results of operations and financial condition.
We have in the past acquired, and we may in the future seek to acquire or invest in, businesses, products, or technologies that we believe could complement Slack or expand its breadth, enhance our technical capabilities, or otherwise offer growth opportunities. The pursuit of potential acquisitions may divert the attention of management and cause us to incur various expenses in identifying, investigating, and pursuing suitable acquisitions, whether or not they are consummated. Any acquisition, investment or business relationship may result in unforeseen operating difficulties and expenditures. In addition, we have limited experience in acquiring other businesses. If we acquire additional businesses, we may not be able to integrate successfully the acquired personnel, operations, and technologies, or effectively manage the combined business following the acquisition. Specifically, we may not successfully evaluate or utilize the acquired technology or personnel, or accurately forecast the financial impact of an acquisition transaction, including accounting charges. Moreover, the anticipated benefits of any acquisition, investment, or business relationship may not be realized or we may be exposed to unknown risks or liabilities.
We may not be able to find and identify desirable acquisition targets or we may not be successful in entering into an agreement with any one target. Acquisitions could also result in dilutive issuances of equity securities or the incurrence of debt, which could harm our results of operations. In addition, if an acquired business fails to meet our expectations, our business, results of operations, and financial condition may suffer.
We also make strategic investments in early stage companies developing products or technologies that we believe could complement Slack or expand its breadth, enhance our technical capabilities, or otherwise offer growth opportunities through our subsidiary, Slack Fund. These investments are generally in early stage private companies for restricted stock. Such investments are generally illiquid and may never generate value. Further, the companies in which we invest may not succeed, and our investments would lose their value.

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We depend on our executive officers and other key employees, and the loss of one or more of these employees or an inability to attract and retain other highly skilled employees could harm our business.
Our success depends largely upon the continued services of our executive officers and other key employees. We rely on our leadership team in the areas of research and development, operations, security, marketing, sales, customer experience, general, and administrative functions, and on individual contributors in our research and development and operations. From time to time, there may be changes in our executive management team resulting from the hiring or departure of executives, which could disrupt our business. We do not have employment agreements with our executive officers or other key personnel that require them to continue to work for us for any specified period and, therefore, they could terminate their employment with us at any time. The loss of one or more of our executive officers, especially our Chief Executive Officer, or key employees could harm our business. Changes in our executive management team may also cause disruptions in, and harm to, our business.
In addition, to execute our growth plan, we must attract and retain highly qualified personnel. Competition for these personnel in the San Francisco Bay Area, where our headquarters is located, and in other locations where we maintain offices, is intense, especially for engineers experienced in designing and developing software and Software-as-a-Service applications and experienced sales professionals. We have, from time to time experienced, and we expect to continue to experience, difficulty in hiring and retaining employees with appropriate qualifications. In addition, certain domestic immigration laws restrict or limit our ability to recruit internationally. Any changes to U.S. immigration policies that restrain the flow of technical and professional talent may inhibit our ability to recruit and retain highly qualified employees. Many of the companies with which we compete for experienced personnel have greater resources than we have. If we hire employees from competitors or other companies, their former employers may attempt to assert that these employees or we have breached their legal obligations, resulting in a diversion of our time and resources. In addition, job candidates and existing employees often consider the value of the equity awards they receive in connection with their employment. If the perceived value of our equity awards declines, it may harm our ability to recruit and retain highly skilled employees. If we fail to attract new personnel or fail to retain and motivate our current personnel, our business and future growth prospects could be harmed. Meanwhile, additions of executive-level management and large numbers of employees could significantly and adversely impact our culture.
Volatility or lack of appreciation in the stock price of our Class A common stock may also affect our ability to attract and retain our key employees. Many of our senior personnel and other key employees have become, or will soon become, vested in a substantial amount of stock or stock options. Employees may be more likely to leave us if the shares they own or the shares underlying their vested options or restricted stock units, or RSUs, have significantly appreciated in value relative to the original purchase price of the shares or the exercise price of the options, or conversely, if the exercise price of the options that they hold are significantly above the market price of our Class A common stock. If we do not maintain and continue to develop our corporate culture as we grow and evolve, it could harm our ability to foster the innovation, craftsmanship, teamwork, curiosity, and diversity, we believe that we need to support our growth.
Our management team has limited experience managing a public company.
Most members of our management team have limited experience managing a publicly-traded company, interacting with public company investors and complying with the increasingly complex laws pertaining to public companies. Our management team may not successfully or efficiently manage our transition to being a public company that is subject to significant regulatory oversight and reporting obligations under the federal securities laws and the continuous scrutiny of securities analysts and investors. These new obligations and constituents will require significant attention from our senior management and could divert their attention away from the day-to-day management of our business, which could harm our business, results of operations, and financial condition.
Catastrophic events may disrupt our business.
Natural disasters or other catastrophic events may cause damage or disruption to our operations, international commerce, and the global economy, and thus could harm our business. We have our headquarters and a large employee presence in San Francisco, California and the west coast of the United States contains active earthquake zones. In the event of a major earthquake, hurricane, or catastrophic event such as fire, power loss, telecommunications failure, cyber-attack, war, or terrorist attack, we may be unable to continue our operations and may endure system interruptions,

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reputational harm, delays in our application development, lengthy interruptions in Slack, breaches of data security, and loss of critical data, all of which could harm our business, results of operations, and financial condition. Acts of terrorism could also cause disruptions to the Internet or the economy as a whole. In addition, the insurance we maintain would likely not be adequate to cover our losses resulting from disasters or other business interruptions.
Our failure to raise additional capital or generate cash flows necessary to expand our operations and invest in new technologies in the future could reduce our ability to compete successfully and harm our results of operations.
Historically, we have funded our operations and capital expenditures primarily through equity issuances and cash generated from our operations. Although we currently anticipate that our existing cash and cash equivalents and cash flow from operations will be sufficient to meet our cash needs for the foreseeable future, we may require additional financing, and we may not be able to obtain debt or equity financing on favorable terms, if at all. If we raise equity financing to fund operations or on an opportunistic basis, our stockholders may experience significant dilution of their ownership interests. If we engage in debt financing, we may be required to accept terms that restrict our ability to incur additional indebtedness, force us to maintain specified liquidity or other ratios or restrict our ability to pay dividends or make acquisitions. If we need additional capital and cannot raise it on acceptable terms, or at all, we may not be able to, among other things:
develop new features, integrations, capabilities, and enhancements;
continue to expand our product development, sales, and marketing organizations;
hire, train, and retain employees;
respond to competitive pressures or unanticipated working capital requirements; or
pursue acquisition opportunities.
Changes in laws and regulations related to the Internet or changes in the Internet infrastructure itself may diminish the demand for Slack, and could harm our business.
The future success of our business depends upon the continued use of the Internet as a primary medium for commerce, communication, and business applications. Federal, state, or foreign government bodies or agencies have in the past adopted, and may in the future adopt, laws or regulations affecting the use of the Internet as a commercial medium. The adoption of any laws or regulations that could reduce the growth, popularity, or use of the Internet, including laws or practices limiting Internet neutrality, could decrease the demand for, or the usage of, Slack and services, increase our cost of doing business and harm our results of operations. Changes in these laws or regulations could require us to modify Slack, or certain aspects of Slack, in order to comply with these changes. In addition, government agencies or private organizations have imposed and may impose additional taxes, fees, or other charges for accessing the Internet or commerce conducted via the Internet. These laws or charges could limit the growth of Internet-related commerce or communications generally, or result in reductions in the demand for Internet-based products such as ours. In addition, the use of the Internet as a business tool could be harmed due to delays in the development or adoption of new standards and protocols to handle increased demands of Internet activity, security, reliability, cost, ease-of-use, accessibility, and quality of service. Further, Slack depends on the quality of our users’ access to the Internet. Certain features of Slack require significant bandwidth and fidelity to work effectively. Internet access is frequently provided by companies that have significant market power that could take actions that degrade, disrupt or increase the cost of user access to Slack, which would negatively impact our business. The performance of the Internet and its acceptance as a business tool has been harmed by “viruses,” “worms” and similar malicious programs and the Internet has experienced a variety of outages and other delays as a result of damage to portions of its infrastructure. If the use of the Internet is adversely affected by these issues, demand for Slack could decline.
If we fail to maintain an effective system of disclosure controls and internal control over financial reporting, our ability to produce timely and accurate financial statements or comply with applicable regulations could be impaired.
The Sarbanes-Oxley Act requires, among other things, that we maintain effective disclosure controls and procedures and internal control over financial reporting. We are continuing to develop and refine our disclosure controls and other procedures that are designed to ensure that information required to be disclosed by us in the reports that we will file

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with the SEC is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms and that information required to be disclosed in reports under the Securities Exchange Act of 1934, as amended, or the Exchange Act, is accumulated and communicated to our principal executive and financial officers. We are also continuing to improve our internal control over financial reporting. For example, as we have prepared to become a public company, we have worked to improve the controls around our key accounting processes and our quarterly close process, we have implemented a number of new systems to supplement our core enterprise resource planning, or ERP, system as part of our control environment, and we have hired additional accounting and finance personnel to help us implement these processes and controls. In order to maintain and improve the effectiveness of our disclosure controls and procedures and internal control over financial reporting, we have expended, and anticipate that we will continue to expend, significant resources, including accounting-related costs and significant management oversight. If any of these new or improved controls and systems do not perform as expected, we may experience material weaknesses in our controls. In addition to our results determined in accordance with GAAP, we believe certain non-GAAP measures and key metrics may be useful in evaluating our operating performance. We present certain non-GAAP financial measures and key metrics in this prospectus and intend to continue to present certain non-GAAP financial measures and key metrics in future filings with the SEC and other public statements. Any failure to accurately report and present our non-GAAP financial measures and key metrics could cause investors to lose confidence in our reported financial and other information, which would likely have a negative effect on the trading price of our Class A common stock.
Our current controls and any new controls that we develop may become inadequate because of changes in conditions in our business. Further, weaknesses in our disclosure controls and internal control over financial reporting may be discovered in the future. Any failure to develop or maintain effective controls or any difficulties encountered in their implementation or improvement could harm our results of operations or cause us to fail to meet our reporting obligations and may result in a restatement of our consolidated financial statements for prior periods. Any failure to implement and maintain effective internal control over financial reporting also could adversely affect the results of periodic management evaluations and annual independent registered public accounting firm attestation reports regarding the effectiveness of our internal control over financial reporting that we will eventually be required to include in our periodic reports that will be filed with the SEC. Ineffective disclosure controls and procedures and internal control over financial reporting could also cause investors to lose confidence in our reported financial and other information, which would likely have a negative effect on the trading price of our Class A common stock. In addition, if we are unable to continue to meet these requirements, we may not be able to remain listed on the NYSE. We are not currently required to comply with the SEC rules that implement Section 404 of the Sarbanes-Oxley Act and are therefore not required to make a formal assessment of the effectiveness of our internal control over financial reporting for that purpose. As a public company, we will be required to provide an annual management report on the effectiveness of our internal control over financial reporting commencing with our second annual report on Form 10-K.
Our independent registered public accounting firm is not required to formally attest to the effectiveness of our internal control over financial reporting until after we are no longer an “emerging growth company” as defined in the JOBS Act. At such time, our independent registered public accounting firm may issue a report that is adverse in the event it is not satisfied with the level at which our internal control over financial reporting is documented, designed or operating. Any failure to maintain effective disclosure controls and internal control over financial reporting could harm our business, results of operations, and financial condition and could cause a decline in the price of our Class A common stock.
We are an “emerging growth company,” and the reduced disclosure requirements applicable to “emerging growth companies” may make our Class A common stock less attractive to investors.
We are an “emerging growth company,” as defined in the JOBS Act, and we intend to take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not “emerging growth companies,” including not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and stockholder approval of any golden parachute payments not previously approved. We may take advantage of these exemptions until we are no longer an “emerging growth company,” which could be as long as five full fiscal years following the listing of our Class A common stock on the NYSE. We cannot predict if investors will find our Class A common stock less attractive because we will rely on these exemptions. If some investors find our

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Class A common stock less attractive as a result, there may be a less active trading market for our Class A common stock and the price of our Class A common stock may be more volatile.
We recently implemented a new enterprise resource planning system, and if this new system proves ineffective or if we experience issues with the transition, we may be unable to timely or accurately prepare financial reports, make payments to our suppliers and employees, or invoice and collect from our users.
In fiscal year 2019, we implemented a new ERP system, including our systems for tracking revenue recognition. Our ERP system is critical to our ability to accurately maintain books and records and to prepare our consolidated financial statements. The transition to our new ERP system may be disruptive to our business if the ERP system does not work as planned or if we experience issues relating to the implementation. Such disruptions could impact our ability to timely or accurately make payments to our suppliers and employees, and could also inhibit our ability to invoice, and collect from our users. Data integrity problems or other issues may be discovered which, if not corrected, could impact our business or financial results. In addition, we may experience periodic or prolonged disruption of our financial functions arising out of this conversion, general use of such system, other periodic upgrades or updates, or other external factors that are outside of our control. If we encounter unforeseen problems with our ERP system or other related systems and infrastructure, our business, results of operations, and financial condition could be adversely affected.
Changes in existing financial accounting standards or practices may harm our results of operations.
Changes in existing accounting rules or practices, new accounting pronouncements rules, or varying interpretations of current accounting pronouncements practice could harm our results of operations or the manner in which we conduct our business. Further, such changes could potentially affect our reporting of transactions completed before such changes are effective.
GAAP is subject to interpretation by the Financial Accounting Standards Board, or FASB, the SEC and various bodies formed to promulgate and interpret appropriate accounting principles. A change in these principles or interpretations could have a significant effect on our reported financial results, and could affect the reporting of transactions completed before the announcement of a change. In particular, in February 2016, the FASB issued Accounting Standards Codification, or ASC, 842, which supersedes the lease accounting guidance in ASC 840, Leases. The core principle of ASC 842 requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase by the lessee. This classification will determine whether lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term of greater than 12 months regardless of their classification. As an “emerging growth company,” we are allowed under the JOBS Act to delay adoption of new or revised accounting pronouncements applicable to public companies until such pronouncements are made applicable to private companies. We have elected to take advantage of this extended transition period under the JOBS Act with respect to ASC 842, which will result in ASC 842 becoming effective for us beginning on February 1, 2020 unless we choose to adopt it earlier. Any difficulties in implementing these pronouncements could cause us to fail to meet our financial reporting obligations, which could result in regulatory discipline and harm investors’ confidence in us.
We are evaluating ASC 842 and have not determined the impact it may have on our financial reporting.
If our estimates or judgments relating to our critical accounting policies prove to be incorrect, our results of operations could be adversely affected.
The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in our consolidated financial statements and related notes. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances, as provided in the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” The results of these estimates form the basis for making judgments about the carrying values of assets, liabilities and equity, and the amount of revenue and expenses that are not readily apparent from other sources. Significant assumptions and estimates used in preparing our consolidated financial statements include those related to revenue recognition, stock-based compensation including the estimation of fair value of common stock, valuation of strategic investments, period of benefit for deferred costs, and uncertain tax positions. Our results of operations may

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be adversely affected if our assumptions change or if actual circumstances differ from those in our assumptions, which could cause our results of operations to fall below the expectations of securities analysts and investors, resulting in a decline in the trading price of our Class A common stock.
Changes in tax laws or regulations in the various tax jurisdictions we are subject to that are applied adversely to us or our paid customers could increase the costs of Slack and harm our business.
New income, sales, use or other tax laws, statutes, rules, regulations, or ordinances could be enacted at any time. Those enactments could harm our domestic and international business operations, and our business, results of operations, and financial condition. Further, existing tax laws, statutes, rules, regulations, or ordinances could be interpreted, changed, modified, or applied adversely to us. These events could require us or our paid customers to pay additional tax amounts on a prospective or retroactive basis, as well as require us or our paid customers to pay fines and/or penalties and interest for past amounts deemed to be due. If we raise our prices to offset the costs of these changes, existing and potential future paid customers may elect not to purchase Slack in the future. Additionally, new, changed, modified, or newly interpreted or applied tax laws could increase our paid customers’ and our compliance, operating, and other costs, as well as the costs of Slack. Further, these events could decrease the capital we have available to operate our business. Any or all of these events could harm our business, results of operations, and financial condition.
On December 22, 2017, the legislation commonly referred to as the Tax Cuts and Jobs Act, or the Tax Act, was enacted, which contains significant changes to U.S. tax law, including, but not limited to, a reduction in the corporate tax rate and a transition to a modified territorial system of taxation. The primary impact of the new legislation on our provision for income taxes was a reduction of the future tax benefits of our deferred tax assets as a result of the reduction in the corporate tax rate. However, since we have recorded a full valuation allowance against our deferred tax assets, we do not currently anticipate that these changes will have a material impact on our consolidated financial statements. The impact of the Tax Act will likely be subject to ongoing technical guidance and accounting interpretation, which we will continue to monitor and assess. As we expand the scale of our international business activities, any changes in the U.S. or foreign taxation of such activities may increase our worldwide effective tax rate and harm our business, results of operations, and financial condition.
Additionally, the application of U.S. federal, state, local, and international tax laws to services provided electronically is unclear and continuously evolving. Existing tax laws, statutes, rules, regulations, or ordinances could be interpreted or applied adversely to us, possibly with retroactive effect, which could require us or our paid customers to pay additional tax amounts, as well as require us or our paid customers to pay fines or penalties, as well as interest for past amounts. If we are unsuccessful in collecting such taxes due from our paid customers, we could be held liable for such costs, thereby adversely affecting our results of operations and harming our business.
As a multinational organization, we may be subject to taxation in several jurisdictions around the world with increasingly complex tax laws, the application of which can be uncertain. The amount of taxes we pay in these jurisdictions could increase substantially as a result of changes in the applicable tax principles, including increased tax rates, new tax laws, or revised interpretations of existing tax laws and precedents, which could harm our liquidity and results of operations. In addition, the authorities in these jurisdictions could review our tax returns and impose additional tax, interest, and penalties, and the authorities could claim that various withholding requirements apply to us or our subsidiaries or assert that benefits of tax treaties are not available to us or our subsidiaries, any of which could harm us and our results of operations.
Our results of operations may be harmed if we are required to collect sales or other related taxes for subscriptions to Slack in jurisdictions where we have not historically done so.
States and some local taxing jurisdictions have differing rules and regulations governing sales and use taxes, and these rules and regulations are subject to varying interpretations that may change over time. The application of federal, state, local, and international tax laws to services provided electronically is evolving. In particular, the applicability of sales taxes to Slack in various jurisdictions is unclear. We collect and remit U.S. sales and value-added tax, or VAT, in a number of jurisdictions. It is possible, however, that we could face sales tax or VAT audits and that our liability for these taxes could exceed our estimates as state tax authorities could still assert that we are obligated to collect additional tax amounts from our paid customers and remit those taxes to those authorities. We could also be subject to audits in states and international jurisdictions for which we have not accrued tax liabilities. A successful assertion that we should

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be collecting additional sales or other taxes on our services in jurisdictions where we have not historically done so and do not accrue for sales taxes could result in substantial tax liabilities for past sales, discourage organizations from subscribing to Slack, or otherwise harm our business, results of operations, and financial condition.
Further, one or more state or foreign authorities could seek to impose additional sales, use or other tax collection and record-keeping obligations on us or may determine that such taxes should have, but have not been, paid by us. Liability for past taxes may also include substantial interest and penalty charges. Any successful action by state, foreign, or other authorities to compel us to collect and remit sales tax, use tax or other taxes, either retroactively, prospectively or both, could harm our business, results of operations, and financial condition.
Our ability to use our net operating loss carryforwards and certain other tax attributes may be limited.
Under Section 382 of the Internal Revenue Code of 1986, as amended, or the Code, if a corporation undergoes an “ownership change,” generally defined as a greater than 50 percentage point change (by value) in its equity ownership over a three-year period, the corporation’s ability to use its pre-change net operating loss carryforwards and other pre-change tax attributes, such as research tax credits, to offset its post-change taxable income or tax liability may be limited. We have experienced ownership changes in the past and, although we do not expect to experience an ownership change in connection with our listing on the NYSE, any such ownership change could result in increased future tax liability. In addition, we may experience ownership changes in the future as a result of subsequent shifts in our stock ownership. As a result, if we earn net taxable income, our ability to use our pre-change net operating loss carryforwards and other pre-change tax attributes to offset U.S. federal taxable income or tax liability may be subject to limitations, which could potentially result in increased future tax liability to us. In addition, under the Tax Act, the amount of post 2017 net operating loss carryforward that we are permitted to use in any taxable year is limited to 80% of our taxable income in such year, where taxable income is determined without regard to the net operating loss deduction itself. The Tax Act also generally eliminates the ability to carry back net operating losses to prior taxable years. For these reasons, we may not be able to realize a tax benefit from the use of our net operating losses even if we attain profitability.
Risks Related to Ownership of Our Class A Common Stock
Our listing differs significantly from an underwritten initial public offering.
This is not an underwritten initial public offering of our Class A common stock. This listing of our Class A common stock on the NYSE differs from an underwritten initial public offering in several significant ways, which include, but are not limited to, the following:
There are no underwriters. Consequently, prior to the opening of trading on the NYSE, there will be no book building process and no price at which underwriters initially sold shares to the public to help inform efficient and sufficient price discovery with respect to the opening trades on the NYSE. Therefore, buy and sell orders submitted prior to and at the opening of trading of our Class A common stock on the NYSE will not have the benefit of being informed by a published price range or a price at which the underwriters initially sold shares to the public, as would be the case in an underwritten initial public offering. Moreover, there will be no underwriters assuming risk in connection with the initial resale of shares of our Class A common stock. Additionally, because there are no underwriters, there is no underwriters’ option to purchase additional shares to help stabilize, maintain, or affect the public price of our Class A common stock on the NYSE immediately after the listing. In an underwritten initial public offering, the underwriters may engage in “covered” short sales in an amount of shares representing the underwriters’ option to purchase additional shares. To close a covered short position, the underwriters purchase shares in the open market or exercise the underwriters’ option to purchase additional shares. In determining the source of shares to close the covered short position, the underwriters typically consider, among other things, the price of shares available for purchase in the open market as compared to the price at which they may purchase shares through the underwriters’ option to purchase additional shares. Purchases in the open market to cover short positions, as well as other purchases underwriters may undertake for their own accounts, may have the effect of preventing a decline in the market price of shares. Given that there will be no underwriters’ option to purchase additional shares and no underwriters engaging in stabilizing transactions, there could be greater volatility in the public price of our Class A common stock during the period immediately following the listing. See also “—The public price of our Class A common stock may be volatile, and could, upon listing on the NYSE, decline significantly and rapidly.”

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There is not a fixed or determined number of shares of Class A common stock available for sale in connection with the registration and the listing, except we expect approximately          shares of our Class A common stock to be sold on our first trading day in order to fund the tax withholding and remittance obligations arising in connection with the RSUs that will vest and settle upon that day. See the section titled “RSU Sales.” Therefore, there can be no assurance that any Registered Stockholders or other existing stockholders will sell any of their shares of Class A common stock and there may initially be a lack of supply of, or demand for, shares of Class A common stock on the NYSE. Alternatively, we may have a large number of Registered Stockholders or other existing stockholders, including holders of RSUs that vest and settle on the first day of trading, who choose to sell their shares of Class A common stock in the near term, resulting in potential oversupply of our Class A common stock, which could adversely impact the public price of our Class A common stock once listed on the NYSE.
None of our Registered Stockholders or other existing stockholders have entered into contractual lock-up agreements or other contractual restrictions on transfer. In an underwritten initial public offering, it is customary for an issuer’s officers, directors, and most or all of its other stockholders to enter into a 180-day contractual lock-up arrangement with the underwriters to help promote orderly trading immediately after such initial public offering. Consequently, any of our stockholders, including our directors and officers who own our common stock and other significant stockholders, may sell any or all of their shares of Class A common stock at any time upon conversion of any shares of Class B common stock into Class A common stock at the time of sale (subject to any restrictions under applicable law), including immediately upon listing. If such sales were to occur in a significant volume in a short period of time following the listing, it may result in an oversupply of our Class A common stock in the market, which could adversely impact the public price of our Class A common stock. See also “—None of our stockholders are party to any contractual lock-up agreement or other contractual restrictions on transfer. Following our listing, sales of substantial amounts of our Class A common stock in the public markets or the perception that sales might occur, could cause the market price of our Class A common stock to decline.”
We will not conduct a traditional “roadshow” with underwriters prior to the opening of trading of our Class A common stock on the NYSE. Instead, we intend to host an investor day and engage in certain other investor education meetings. In advance of the investor day, we will announce the date for such day over financial news outlets in a manner consistent with typical corporate outreach to investors. We intend to prepare an electronic presentation for this investor day, which will have content similar to a traditional roadshow presentation, and to make the presentation publicly available, without restrictions, on our website. There can be no guarantee that the investor day and other investor education meetings will have the same impact on investor education as a traditional “roadshow” conducted in connection with an underwritten initial public offering. As a result, there may not be efficient or sufficient price discovery with respect to our Class A common stock or sufficient demand among potential investors immediately after our listing, which could result in a more volatile public price of our Class A common stock.
Such differences from an underwritten initial public offering could result in a volatile market price for our Class A common stock and uncertain trading volume, which may adversely affect your ability to sell any Class A common stock that you may purchase.
We have agreed to indemnify the Registered Stockholders for certain claims arising in connection with sales under this prospectus. Large indemnity payments could adversely affect our business, results of operations, and financial condition.
The public price of our Class A common stock may be volatile, and could, upon listing on the NYSE, decline significantly and rapidly.
The listing of our Class A common stock and the registration of the Registered Stockholders’ shares of Class A common stock is a novel process that is not an underwritten initial public offering. We have engaged Goldman Sachs & Co. LLC, or Goldman Sachs; Morgan Stanley & Co. LLC, or Morgan Stanley; and Allen & Company LLC, or Allen & Company, as our financial advisors. We have also engaged Credit Suisse Securities (USA) LLC, Barclays Capital Inc., Citigroup Global Markets Inc., RBC Capital Markets, LLC, KeyBanc Capital Markets Inc., Canaccord Genuity

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LLC, and William Blair & Company, L.L.C. as our associate financial advisors. There will be no book building process and no price at which underwriters initially sold shares to the public to help inform efficient and sufficient price discovery with respect to the opening trades on the NYSE. As there has not been a recent sustained history of trading in our common stock in a private placement market prior to listing, NYSE listing rules require that a designated marker maker, or DMM, consult with our financial advisors in order to effect a fair and orderly opening of our Class A common stock without coordination with us, consistent with the federal securities laws in connection with our direct listing. Accordingly, Morgan Stanley and our other financial advisors will be available to consult with the DMM who will be setting the opening public price of our Class A common stock on the NYSE. Our financial advisors are expected to provide input to the DMM regarding their understanding of the ownership of our outstanding common stock and pre-listing selling and buying intere st in our Class A common stock that they become aware of from potential investors and holders of our Class A common stock, including after consultation with certain institutional investors (which may include certain of the Registered Holders, other than the RSU holders) , in each case, without coordination with us. The DMM, in consultation with Morgan Stanley and our other financial advisors, is also expected to consider the information in the section titled “Sale Price History of our Capital Sto ck.” Based on information provided to the NYSE, the opening public price of our Class A common stock on the NYSE will be determined by buy and sell orders collected by the NYSE from broker-dealers, and the NYSE is where buy orders can be matched with sell orders at a single price. Based on such orders, the DMM will determine an opening price for our Class A common stock pursuant to NYSE rules. However, because our financial advisors will not have engaged in a book building process, they will not be able to provide input to the DMM that is based on or informed by that process. For more information, see the section titled “Plan of Distribution.”
Moreover, prior to the opening trade, there will not be a price at which underwriters initially sold shares of Class A common stock to the public as there would be in an underwritten initial public offering. The absence of a predetermined initial public offering price could impact the range of buy and sell orders collected by the NYSE from various broker-dealers. Consequently, upon listing on the NYSE, the public price of our Class A common stock may be more volatile than in an underwritten initial public offering and could decline significantly and rapidly.
Moreover, because of our novel listing process and the broad consumer awareness and brand recognition of Slack, individual investors, retail or otherwise, may have greater influence in setting the opening public price and subsequent public prices of our Class A common stock on the NYSE and may participate more in our initial trading than is typical for an underwritten initial public offering. These factors could result in a public price of our Class A common stock that is higher than other investors (such as institutional investors) are willing to pay, which could cause volatility in the trading price of our Class A common stock and an unsustainable trading price if the price of our Class A common stock significantly rises upon listing and institutional investors believe our Class A common stock is worth less than retail investors, in which case the price of our Class A common stock may decline over time. Further, if the public price of our Class A common stock is above the level that investors determine is reasonable for our Class A common stock, some investors may attempt to short our Class A common stock after trading begins, which would create additional downward pressure on the public price of our Class A common stock. To the extent that there is a lack of consumer awareness among retail investors, such lack of consumer awareness could reduce the value of our Class A common stock and cause volatility in the trading price of our Class A common stock.
The public price of our Class A common stock following the listing also could be subject to wide fluctuations in response to the risk factors described in this prospectus and others beyond our control, including:
the number of shares of our Class A common stock publicly owned and available for trading;
overall performance of the equity markets and/or publicly-listed technology companies;
actual or anticipated fluctuations in our revenue or other operating metrics;
our actual or anticipated operating performance and the operating performance of our competitors;
changes in the financial projections we provide to the public or our failure to meet these projections;
failure of securities analysts to initiate or maintain coverage of us, changes in financial estimates by any securities analysts who follow our company, or our failure to meet the estimates or the expectations of investors;

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any major change in our board of directors, management, or key personnel;
the economy as a whole and market conditions in our industry;
rumors and market speculation involving us or other companies in our industry;
announcements by us or our competitors of significant innovations, new products, services, features, integrations or capabilities, acquisitions, strategic investments, partnerships, joint ventures, or capital commitments;
new laws or regulations or new interpretations of existing laws or regulations applicable to our business, including those related to data privacy and cyber security in the U.S. or globally;
lawsuits threatened or filed against us;
other events or factors, including those resulting from war, incidents of terrorism, or responses to these events; and
sales or expected sales of our Class A common stock by us, and our officers, directors, and principal stockholders.
In addition, stock markets, and the market for technology companies in particular, have experienced price and volume fluctuations that have affected and continue to affect the market prices of equity securities of many companies. Stock prices of many companies, including technology companies, have fluctuated in a manner often unrelated to the operating performance of those companies. These fluctuations may be even more pronounced in the trading market for our Class A common stock shortly following the listing of our Class A common stock on the NYSE as a result of the supply and demand forces described above. In the past, stockholders have instituted securities class action litigation following periods of market volatility. If we were to become involved in securities litigation, it could subject us to substantial costs, divert resources and the attention of management from our business, and harm our business, results of operations, and financial condition.
The public price of our Class A common stock, upon listing on the NYSE, may have little or no relationship to the historical sales prices of our capital stock in private transactions.
Prior to the listing of our Class A common stock on the NYSE, there has been no public market for our capital stock. The historical sales prices of our capital stock is primarily from sales of shares of our Class B common stock (on an as converted basis), which entitle holders to 10 votes per share (as opposed to one vote per share of our Class A common stock). In the section titled “Sale Price History of our Capital Stock,” we have provided the historical sales prices of our capital stock in private transactions. However, given the differences in voting rights between Class A and Class B common stock and the limited history of sales, among other factors, this information may have little or no relation to broader market demand for our Class A common stock and thus the initial public price of our Class A common stock on the NYSE once trading begins. As a result, you should not place undue reliance on these historical sales prices as they may differ materially from the opening public prices and subsequent public prices of our Class A common stock on the NYSE. For more information about how the initial listing price on the NYSE will be determined, see the section titled “Plan of Distribution.”
An active, liquid and orderly market for our Class A common stock may not develop or be sustained. You may be unable to sell your shares of Class A common stock at or above the price you bought them for.
We currently expect our Class A common stock to be listed and traded on the NYSE. Prior to listing on the NYSE, there has been no public market for our common stock. Moreover, consistent with Regulation M and other federal securities laws applicable to our listing, we have not consulted with Registered Stockholders or other existing stockholders regarding their desire or plans to sell shares in the public market following the listing or discussed with potential investors their intentions to buy our Class A common stock in the open market. While our Class A common stock may be sold after our listing on the NYSE by the Registered Stockholders pursuant to this prospectus or by our other existing stockholders in accordance with Rule 144 of the Securities Act of 1933, as amended, or the Securities Act, unlike an underwritten initial public offering, there can be no assurance that any Registered Stockholders or other

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existing stockholders will sell any of their shares of Class A common stock and there may initially be a lack of supply of, or demand for, Class A common stock on the NYSE. Conversely, there can be no assurance that the Registered Stockholders and other existing stockholders will not sell all of their shares of Class A common stock, resulting in an oversupply of our Class A common stock on the NYSE. In the case of a lack of supply of our Class A common stock, the trading price of our Class A common stock may rise to an unsustainable level. Further, institutional investors may be discouraged from purchasing our Class A common stock if they are unable to purchase a block of our Class A common stock in the open market due to a potential unwillingness of our existing stockholders to sell a sufficient amount of Class A common stock at the price offered by such institutional investors and the greater influence individual investors have in setting the trading price. If institutional investors are unable to purchase our Class A common stock, the market for our Class A common stock may be more volatile without the influence of long-term institutional investors holding significant amounts of our Class A common stock. In the case of a lack of demand for our Class A common stock, the trading price of our Class A common stock could decline significantly and rapidly after our listing. Therefore, an active, liquid, and orderly trading market for our Class A common stock may not initially develop or be sustained, which could significantly depress the public price of our Class A common stock and/or result in significant volatility, which could affect your ability to sell your shares of Class A common stock.
The dual class structure of our common stock has the effect of concentrating voting control with those stockholders who held our capital stock prior to the listing of our Class A common stock on the NYSE, including our directors, executive officers and their respective affiliates, who will hold in the aggregate          % of the voting power of our capital stock upon the effectiveness of the registration statement of which this prospectus forms a part. This ownership will limit or preclude your ability to influence corporate matters, including the election of directors, amendments of our organizational documents, and any merger, consolidation, sale of all or substantially all of our assets, or other major corporate transaction requiring stockholder approval.
Our Class B common stock has ten votes per share, and our Class A common stock, which is the stock we are listing on the NYSE and is being registered pursuant to the registration statement of which this prospectus forms a part, has one vote per share. Upon the effectiveness of the registration statement of which this prospectus forms a part, our directors, executive officers and their affiliates will hold in the aggregate          % of the voting power of our capital stock. Because of the ten-to-one voting ratio between our Class B and Class A common stock, the holders of our Class B common stock collectively could continue to control a significant percentage of the combined voting power of our common stock and therefore be able to control all matters submitted to our stockholders for approval until the tenth anniversary of the date of this prospectus, when all outstanding shares of Class A common stock and Class B common stock will convert automatically into shares of a single class of common stock. This concentrated control may limit or preclude your ability to influence corporate matters for the foreseeable future, including the election of directors, amendments of our organizational documents, and any merger, consolidation, sale of all or substantially all of our assets, or other major corporate transaction requiring stockholder approval. In addition, this may prevent or discourage unsolicited acquisition proposals or offers for our capital stock that you may believe are in your best interest as one of our stockholders.
Future transfers by holders of Class B common stock will generally result in those shares converting to Class A common stock, subject to limited exceptions, such as certain transfers effected for estate planning purposes. The conversion of Class B common stock to Class A common stock will have the effect, over time, of increasing the relative voting power of those holders of Class B common stock who retain their shares in the long term. As a result, it is possible that one or more of the persons or entities holding our Class B common stock could gain significant voting control as other holders of Class B common stock sell or otherwise convert their shares into Class A common stock.
In addition, while we do not expect to issue any additional shares of Class B common stock following the listing of our Class A common stock on the NYSE, any future issuances of Class B common stock would be dilutive to holders of Class A common stock.
We cannot predict the effect our dual class structure may have on the market price of our Class A common stock.
We cannot predict whether our dual class structure will result in a lower or more volatile market price of our Class A common stock, in adverse publicity, or other adverse consequences. For example, certain index providers have announced restrictions on including companies with multiple-class share structures in certain of their indices. In July

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2017, FTSE Russell announced that it plans to require new constituents of its indices to have greater than 5% of the company’s voting rights in the hands of public stockholders, and S&P Dow Jones announced that it will no longer admit companies with multiple-class share structures to certain of its indices. Affected indices include the Russell 2000 and the S&P 500, S&P MidCap 400, and S&P SmallCap 600, which together make up the S&P Composite 1500. Also in 2017, MSCI, a leading stock index provider, opened public consultations on their treatment of no-vote and multi-class structures and temporarily barred new multi-class listings from certain of its indices; however, in October 2018, MSCI announced its decision to include equity securities “with unequal voting structures” in its indices and to launch a new index that specifically includes voting rights in its eligibility criteria. Under such announced policies, the dual class structure of our common stock would make us ineligible for inclusion in certain indices and, as a result, mutual funds, exchange-traded funds, and other investment vehicles that attempt to passively track those indices would not invest in our Class A common stock. These policies are relatively new and it is unclear what effect, if any, they will have on the valuations of publicly-traded companies excluded from such indices, but it is possible that they may depress valuations, as compared to similar companies that are included. Because of the dual class structure of our common stock, we will likely be excluded from certain indices and we cannot assure you that other stock indices will not take similar actions. Given the sustained flow of investment funds into passive strategies that seek to track certain indices, exclusion from certain stock indices would likely preclude investment by many of these funds and could make our Class A common stock less attractive to other investors. As a result, the market price of our Class A common stock could be adversely affected.
None of our stockholders are party to any contractual lock-up agreement or other contractual restrictions on transfer. Following our listing, sales of substantial amounts of our Class A common stock in the public markets or the perception that sales might occur, could cause the market price of our Class A common stock to decline.
In addition to the supply and demand and volatility factors discussed above, sales of a substantial number of shares of our Class A common stock into the public market, particularly sales by our directors, executive officers and principal stockholders, or the perception that these sales might occur in large quantities, could cause the market price of our Class A common stock to decline.
As of          , 2019, giving effect to the conversion of all outstanding shares of our convertible preferred stock to shares of Class B common stock upon the effectiveness of the registration statement of which this prospectus forms a part, we have          shares of common stock outstanding, of which          are Class A common stock and          are Class B common stock, all of which will be “restricted securities” (as defined in Rule 144 under the Securities Act). These shares may be immediately sold either by the Registered Stockholders pursuant to this prospectus or by our other existing stockholders under Rule 144 since such shares held by such other stockholders will have been beneficially owned by non-affiliates for at least one year. Moreover, once we have been a reporting company subject to the reporting requirements of Section 13 or Section 15(d) of the Exchange Act for 90 days and assuming the availability of certain public information about us, (i) non-affiliates who have beneficially owned our common stock for at least six months may rely on Rule 144 to sell their shares of common stock, and (ii) our directors, executive officers, and other affiliates who have beneficially owned our common stock for at least six months, including certain of the shares of Class A common stock covered by this prospectus to the extent not sold hereunder, will be entitled to sell their shares our common stock subject to volume limitations under Rule 144 under the Securities Act and various vesting agreements.
Further, as of January 31, 2019, we had 18,405,776 options outstanding that, if fully exercised, would result in the issuance of shares of Class B common stock, as well as 63,113,635 shares of Class B common stock subject to RSU awards. All of the shares of Class B common stock issuable upon the exercise of stock options, subject to RSU awards and reserved for future issuance under our equity incentive plans, will be registered for public resale under the Securities Act. Accordingly, these shares will be able to be freely sold in the public market upon issuance, subject to applicable vesting requirements and compliance by affiliates with Rule 144. The listing and public trading of our Class A common stock on the NYSE will satisfy the performance vesting condition on our RSUs and result in the vesting and settlement of approximately               RSUs held by our current and former employees and other service providers. We expect approximately               shares of our Class A common stock to be sold on our first trading day in order to fund the tax withholding and remittance obligations arising in connection with the RSUs that will vest and settle upon that day and the remaining approximately          shares upon the vesting and settlement of RSUs may also be sold as early as the first day of trading. See the section titled “RSU Sales.” If the market price of our Class A common stock on the NYSE is volatile or if there is an oversupply of shares of Class A common stock and holders of RSUs are unable to sell their

51



shares, holders of RSUs would still be responsible for funding the tax withholding and remittance obligations arising in connection with the vesting and settlement of their RSUs and could have to fund such amounts with cash. A potential oversupply of shares due to sales by holders of RSUs could also adversely impact the public price of our Class A common stock.
None of our stockholders are subject to any contractual lock-up or other contractual restriction on the transfer or sale of their shares.
Following the effectiveness of the registration statement of which this prospectus forms a part, the holders of 372,136,712 shares of our Class B common stock will have rights, subject to some conditions, to require us to file registration statements for the public resale of the Class A common stock issuable upon conversion of such shares or to include such shares in registration statements that we may file for us or other stockholders. Any registration statement we file to register additional shares, whether as a result of registration rights or otherwise, could cause the market price of our Class A common stock to decline or be volatile.
We also may issue our capital stock or securities convertible into our capital stock from time to time in connection with a financing, acquisition, investments, or otherwise. Any such issuance could result in substantial dilution to our existing stockholders and cause the public price of our Class A common stock to decline.
The requirements of being a public company may strain our resources, divert management’s attention, and affect our ability to attract and retain executive management and qualified board members.
As a public company, we will be subject to the reporting requirements of the Exchange Act, the listing standards of the NYSE, and other applicable securities rules and regulations. We expect that the requirements of these rules and regulations will continue to increase our legal, accounting, and financial compliance costs, make some activities more difficult, time-consuming, and costly, and place significant strain on our personnel, systems, and resources. For example, the Exchange Act requires, among other things, that we file annual, quarterly, and current reports with respect to our business and results of operations. As a result of the complexity involved in complying with the rules and regulations applicable to public companies, our management’s attention may be diverted from other business concerns, which could harm our business, results of operations, and financial condition. Although we have already hired additional employees to assist us in complying with these requirements, we may need to hire more employees in the future or engage outside consultants, which will increase our operating expenses.
In addition, changing laws, regulations, and standards relating to corporate governance and public disclosure are creating uncertainty for public companies, increasing legal and financial compliance costs, and making some activities more time-consuming. These laws, regulations, and standards are subject to varying interpretations, in many cases due to their lack of specificity, and, as a result, their application in practice may evolve over time as new guidance is provided by regulatory and governing bodies. This could result in continuing uncertainty regarding compliance matters and higher costs necessitated by ongoing revisions to disclosure and governance practices. We intend to invest substantial resources to comply with evolving laws, regulations, and standards, and this investment may result in increased general and administrative expenses and a diversion of management’s time and attention from business operations to compliance activities. If our efforts to comply with new laws, regulations and standards differ from the activities intended by regulatory or governing bodies due to ambiguities related to their application and practice, regulatory authorities may initiate legal proceedings against us and our business may be harmed.
We also expect that being a public company and these new rules and regulations will make it more expensive for us to obtain director and officer liability insurance, and we may be required to accept reduced coverage or incur substantially higher costs to obtain coverage. These factors could also make it more difficult for us to attract and retain qualified members of our board of directors, particularly to serve on our audit and risk committee and compensation committee, and qualified executive officers.
As a result of disclosure of information in this prospectus and in filings required of a public company, our business and financial condition will become more visible, which may result in an increased risk of threatened or actual litigation, including by competitors and other third parties. If such claims are successful, our business, results of operations, and financial condition could be harmed, and even if the claims do not result in litigation or are resolved in our favor, these

52



claims, and the time and resources necessary to resolve them, could divert the resources of our management and harm our business, results of operations, and financial condition.
If securities or industry analysts do not publish research, or publish inaccurate or unfavorable research, about our business, the price of our Class A common stock and trading volume could decline.
The trading market for our Class A common stock will depend in part on the research and reports that securities or industry analysts publish about us and/or our business. Securities and industry analysts do not currently, and may never, publish research on our company. If few securities analysts commence coverage of us, or if industry analysts cease coverage of us, the trading price for our Class A common stock would be negatively affected. If one or more of the analysts who cover us downgrade our Class A common stock or publish inaccurate or unfavorable research about our business, our Class A common stock price would likely decline. If one or more of these analysts cease coverage of us or fail to publish reports on us on a regular basis, demand for our Class A common stock could decrease, which might cause our Class A common stock price and trading volume to decline.
We do not intend to pay dividends for the foreseeable future.
We have never declared or paid any cash dividends on our common stock and do not intend to pay any cash dividends in the foreseeable future. We anticipate that we will retain all of our future earnings for use in the operation of our business and for general corporate purposes. Any determination to pay dividends in the future will be at the discretion of our board of directors. Accordingly, investors must rely on sales of their Class A common stock after price appreciation, which may never occur, as the only way to realize any future gains on their investments.
Provisions in our charter documents and under Delaware law could make an acquisition of our company more difficult, limit attempts by our stockholders to replace or remove our current board of directors, and limit the market price of our Class A common stock.
Provisions in our amended and restated certificate of incorporation and amended and restated bylaws may have the effect of delaying or preventing a change of control or changes in our management. Our amended and restated certificate of incorporation and amended and restated bylaws, which will become effective shortly following the effectiveness of the registration statement of which this prospectus forms a part, include provisions that:
provide that our board of directors will be classified into three classes of directors with staggered three-year terms;
permit our board of directors to establish the number of directors and fill any vacancies and newly-created directorships;
require super-majority voting to amend some provisions in our amended and restated certificate of incorporation and amended and restated bylaws;
authorize the issuance of “blank check” preferred stock that our board of directors could use to implement a stockholder rights plan;
provide that only the Chairperson of our board of directors, our Chief Executive Officer, or a majority of our board of directors will be authorized to call a special meeting of stockholders;
provide for a dual class common stock structure in which holders of our Class B common stock have the ability to control the outcome of matters requiring stockholder approval, even if they own significantly less than a majority of the outstanding shares of our Class A and Class B common stock, including the election of directors and significant corporate transactions, such as a merger or other sale of our company or its assets;
prohibit stockholder action by written consent, which requires all stockholder actions to be taken at a meeting of our stockholders;
provide that the board of directors is expressly authorized to make, alter or repeal our bylaws; and

53



advance notice requirements for nominations for election to our board of directors or for proposing matters that can be acted upon by stockholders at annual stockholder meetings.
Moreover, Section 203 of the Delaware General Corporation Law may discourage, delay, or prevent a change in control of our company. Section 203 imposes certain restrictions on mergers, business combinations, and other transactions between us and holders of 15% or more of our common stock. See the section titled “Description of Capital Stock” for additional information.
Our amended and restated bylaws will designate a state or federal court located within the State of Delaware as the exclusive forum for certain litigation that may be initiated by our stockholders, which could limit stockholders’ ability to obtain a favorable judicial forum for disputes with us.
Our amended and restated bylaws will provide that, to the fullest extent permitted by law, the Court of Chancery of the State of Delaware (or, if the Court of Chancery does not have jurisdiction, the federal district court for the District of Delaware) will be the exclusive forum for:
any derivative action or proceeding brought on our behalf;
any action asserting a breach of fiduciary duty;
any action asserting a claim against us arising pursuant to the Delaware General Corporation Law, our amended and restated certificate of incorporation, or our amended and restated bylaws; or
or any action asserting a claim against us that is governed by the internal affairs doctrine.
Nothing in our amended and restated bylaws will preclude stockholders that assert claims under the Securities Act from bringing such claims in state or federal court, subject to applicable law.
These choice of forum provisions may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or any of our directors, officers, or other employees, which may discourage lawsuits with respect to such claims. Alternatively, if a court were to find either choice of forum provision contained in our amended and restated bylaws to be inapplicable or unenforceable in an action, we may incur additional costs associated with resolving such action in other jurisdictions, which could harm our business, results of operations, and financial condition.

54



SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS
This prospectus contains forward-looking statements within the meaning of the federal securities laws, which are statements that involve substantial risks and uncertainties. Forward-looking statements generally relate to future events or our future financial or operating performance. In some cases, you can identify forward-looking statements because they contain words such as “may,” “will,” “shall,” “should,” “expects,” “plans,” “anticipates,” “could,” “intends,” “target,” “projects,” “contemplates,” “believes,” “estimates,” “predicts,” “potential,” or “continue” or the negative of these words or other similar terms or expressions that concern our expectations, strategy, plans, or intentions. Forward-looking statements contained in this prospectus include, but are not limited to, statements about:
our future financial performance, including our revenue, cost of revenue, and operating expenses;
our ability to maintain the security and availability of Slack;
our ability to increase the number of organizations on Slack and paid customers;
our ability to grow or maintain our Net Dollar Retention Rate;
our ability to achieve widespread adoption;
our ability to effectively manage our growth and future expenses;
our ability to maintain our network of partners;
our ability to enhance Slack to respond to new technologies and requirements of organizations on Slack;
our estimated market opportunity;
the future benefits to be derived from new third-party applications and integrations;
our ability to maintain, protect, and enhance our intellectual property;
our ability to comply with modified or new laws and regulations applying to our business;
the attraction and retention of qualified employees and key personnel;
our anticipated investments in sales and marketing and research and development;
the sufficiency of our cash, cash equivalents, and investments to meet our liquidity needs;
our ability to successfully defend litigation brought against us; and
the increased expenses associated with being a public company.
We caution you that the foregoing list may not contain all of the forward-looking statements made in this prospectus.
You should not rely upon forward-looking statements as predictions of future events. We have based the forward-looking statements contained in this prospectus primarily on our current expectations and projections about future events and trends that we believe may affect our business, financial condition, results of operations, and prospects. The outcome of the events described in these forward-looking statements is subject to risks, uncertainties, and other factors described in the section titled “Risk Factors” and elsewhere in this prospectus. Moreover, we operate in a very competitive and rapidly changing environment. New risks and uncertainties emerge from time to time, and it is not possible for us to predict all risks and uncertainties that could have an impact on the forward-looking statements contained in this prospectus. The results, events, and circumstances reflected in the forward-looking statements may not be achieved or occur, and actual results, events, or circumstances could differ materially from those described in the forward-looking statements.

55



The forward-looking statements made in this prospectus relate only to events as of the date on which the statements are made. We undertake no obligation to update any forward-looking statements made in this prospectus to reflect events or circumstances after the date of this prospectus or to reflect new information or the occurrence of unanticipated events, except as required by law. We may not actually achieve the plans, intentions, or expectations disclosed in our forward-looking statements and you should not place undue reliance on our forward-looking statements. Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures, or investments we may make.
In addition, statements that “we believe” and similar statements reflect our beliefs and opinions on the relevant subject. These statements are based upon information available to us as of the date of this prospectus, and while we believe such information forms a reasonable basis for such statements, such information may be limited or incomplete, and our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all potentially available relevant information. These statements are inherently uncertain and you are cautioned not to unduly rely upon these statements.

56



MARKET AND INDUSTRY DATA
This prospectus contains statistical data and estimates that are based on independent industry publications or other publicly available information, as well as other information based on our internal sources. This information involves a number of assumptions and limitations, and you are cautioned not to give undue weight to these estimates. The industry in which we operate is subject to a high degree of uncertainty and risk due to a variety of factors, including those described in the section titled “Risk Factors.”
Certain information in this prospectus is taken from an independent industry publication (Netskope, Inc., Cloud Report , February 2018) and publicly-available reports.

57



USE OF PROCEEDS
Registered Stockholders may, or may not, elect to sell shares of our Class A common stock covered by this prospectus. To the extent any Registered Stockholder chooses to sell shares of our Class A common stock covered by this prospectus, we will not receive any proceeds from any such sales of our Class A common stock. See the section titled “Principal and Registered Stockholders.”
RSU SALES
We grant RSUs to our employees and directors with both service-based and performance vesting conditions. The service-based vesting period for these awards is typically four years with a cliff vesting period of one year and continued vesting quarterly thereafter. The performance vesting condition is satisfied on the earlier of (i) a change in control of the company, (ii) the initial public offering of our securities, or (iii) the listing and public trading of our Class A common stock on the NYSE .
The listing and public trading of our Class A common stock on the NYSE will satisfy the performance vesting condition and result in the vesting and settlement of approximately                 RSUs held by our current and former employees and other service providers. To fund the personal tax withholding and remittance obligations arising in connection with the RSUs that will vest and settle on that day, we expect that current and former employees will use a broker or brokers to sell a portion of such shares into the market on the first trading day. The proceeds of such sales will be remitted either to us or directly to the relevant taxing authorities, in either case, to be applied towards such tax obligations. Approximately                 shares of our Class A common stock are expected to be sold throughout the first trading day in order to fund such tax amounts. The number of shares expected to be sold has been calculated using a percentage that is based on the estimated withholding tax rates for those current and former employees and other service providers holding RSUs that will vest and settle on the first trading day. In addition, the estimated number of shares expected to be sold is further based on the estimated weighted-average price for the shares of Class A common stock on the first day of trading on the NYSE, and because that price will not be known until trading closes, the price per share for purposes of this estimate has been based solely on our latest common stock price as determined by our most recently completed independent common stock valuation report, dated as of May 15, 2019, which was $ per share of Class A common stock. One day prior to the commencement of trading on the NYSE, we will recalculate the estimated number of shares expected to be sold based on the NYSE’s published reference price.
In order to meet our obligation to remit withholding taxes on behalf of certain of our employees and former employees on a timely basis, we may use our own cash reserves to satisfy such tax remittance obligations prior to receiving the proceeds from such market sales. We do not currently know the amount of cash that would be used to satisfy these tax withholding obligations because it would be dependent on a number of factors, including the share price at the time of settlement. After the first trading day, additional RSUs typically will vest and settle on the first of each month and RSU holders may sell a portion of such shares into the market.
If the market price of our Class A common stock on the NYSE is volatile or if there is an oversupply of shares of Class A common stock and holders of RSUs are unable to sell their shares, holders of RSUs would still be responsible for funding the tax withholding and remittance obligations arising in connection with the vesting and settlement of their RSUs and could have to fund such amounts with cash.

58



DIVIDEND POLICY
We have never declared or paid any cash dividends on our capital stock. We currently intend to retain any future earnings and do not expect to pay any dividends in the foreseeable future. Any future determination to declare cash dividends will be made at the discretion of our board of directors, subject to applicable laws, and will depend on a number of factors, including our financial condition, results of operations, capital requirements, contractual restrictions, general business conditions, and other factors that our board of directors may deem relevant.

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CAPITALIZATION
The following table sets forth cash, cash equivalents, and marketable securities, as well as our capitalization, as of January 31, 2019 as follows:
on an actual basis; and
on a pro forma basis, giving effect to (i) the automatic conversion of all outstanding shares of our convertible preferred stock into an aggregate of 373,371,712 shares of our Class B common stock, as if such conversion had occurred on January 31, 2019, (ii) the vesting and settlement of   22,388,531   RSUs for which the service-based condition was fully satisfied as of January 31, 2019 and for which we expect the performance vesting condition to be satisfied upon the listing and public trading of our Class A common stock on the NYSE , and (iii) stock-based compensation of $157.5 million associated with outstanding RSUs as of January 31, 2019 for which we expect the performance vesting condition to be satisfied upon the listing and public trading of our Class A common stock on the NYSE.
You should read this table together with our consolidated financial statements and related notes, and the sections titled “Selected Consolidated Financial Data and Other Data” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” that are included elsewhere in this prospectus.
 
As of January 31, 2019
 
Actual
 
Pro
Forma
(1)
 
(In thousands, except share and per share data)
Cash, cash equivalents, and marketable securities
$
841,071

 
$
841,071

Stockholders’ equity:
 
 
 
Convertible preferred stock, $0.0001 par value; 390,588,630 shares authorized, 373,371,712 shares issued and outstanding, actual; no shares authorized, issued and outstanding, pro forma
$
1,392,101

 

Class A common stock, $0.0001 par value; 660,000,000 shares authorized, 896,057 shares issued and outstanding, actual; 660,000,000 shares authorized, 896,057 shares issued and outstanding, pro forma

 

Class B common stock, $0.0001 par value; 650,000,000 shares authorized, 126,677,232 shares issued and outstanding, actual; 650,000,000 shares authorized, 522,437,475 shares issued and outstanding, pro forma
13

 
52

Additional paid-in capital
105,633

 
1,655,190

Accumulated other comprehensive loss
(498
)
 
(498
)
Accumulated deficit
(665,563
)
 
(823,058
)
Total Slack Technologies, Inc. stockholders’ equity
831,686

 
831,686

Noncontrolling interest
9,920

 
9,920

Total stockholders’ equity
841,606

 
841,606

Total capitalization
$
841,606

 
$
841,606

__________________
(1)
Payroll taxes and other withholding obligations have not been included in the pro forma column. For additional information, see Note 1 to our consolidated financial statements included elsewhere in this prospectus and the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Significant Impacts of Stock-Based Compensation.”
The pro forma column in the table above is based on 896,057 shares of Class A and 522,437,475 shares of Class B common stock outstanding as of January 31, 2019, and excludes:
18,405,776 shares of our Class B common stock issuable upon the exercise of options to purchase shares of our Class B common stock that were outstanding as of January 31, 2019, with a weighted-average exercise price of $0.94 per share;

60



3,662,500 shares of our Class B common stock issuable upon the vesting and exercise of options to purchase shares of our Class B common stock that were granted after January 31, 2019, with a weighted-average exercise price of $10.58 per share;
40,725,104 RSUs for shares of our Class B common stock that are releasable upon satisfaction of service and performance conditions outstanding as of January 31, 2019, for which the service-based condition was not yet satisfied as of January 31, 2019;
15,655,394 RSUs for shares of our Class B common stock that are releasable upon satisfaction of service and performance conditions that were granted after January 31, 2019;
505,000 restricted stock awards, or RSAs, for shares of our Class B common stock that were granted after January 31, 2019;
1,200,000 shares of our Class B common stock reserved for issuance to fund and support our social impact initiatives;
7,902,187 shares of our Class B common stock reserved for future issuance pursuant to our 2009 Stock Plan, or our 2009 Plan; and
69,200,000 shares of our Class A common stock reserved for future issuance under our stock-based compensation plans to be adopted in connection with the effectiveness of the registration statement of which this prospectus forms a part, consisting of:
60,200,000 shares of our Class A common stock reserved for future issuance under our 2019 Stock Option and Incentive Plan, or our 2019 Plan; and
9,000,000 shares of our Class A common stock reserved for future issuance under our 2019 Employee Stock Purchase Plan, or ESPP.
Our 2019 Plan and ESPP each provide for annual automatic increases in the number of shares reserved thereunder and our 2019 Plan also provides for increases to the number of shares of Class A common stock that may be granted thereunder based on shares underlying any awards under our 2009 Plan that expire, are forfeited, or are otherwise terminated, as more fully described in the section titled “Executive Compensation—Employee Benefits and Stock Plans.”
Except as otherwise indicated, all information in this prospectus assumes:
the filing and effectiveness of our amended and restated certificate of incorporation in Delaware and the adoption of our amended and restated bylaws, each of which will occur shortly following the effectiveness of the registration statement of which this prospectus forms a part; and
the automatic conversion of all outstanding shares of our convertible preferred stock into an aggregate of 373,371,712 shares of our Class B common stock, the conversion of which will occur upon the effectiveness of the registration statement of which this prospectus forms a part.

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SELECTED CONSOLIDATED FINANCIAL DATA AND OTHER DATA
The following selected consolidated statements of operations data for the years ended January 31, 2017, 2018, and 2019 and consolidated balance sheet data as of January 31, 2018 and 2019 have been derived from our audited consolidated financial statements included elsewhere in this prospectus. Our historical results are not necessarily indicative of the results that may be expected in the future. You should read the following selected consolidated financial data and other data below in conjunction with the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our consolidated financial statements and related notes included elsewhere in this prospectus.
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands, except per share data)
Consolidated Statements of Operations Data:
 
 
 
 
 
Revenue
$
105,153

 
$
220,544

 
$
400,552

Cost of revenue (1)
15,517

 
26,364

 
51,301

Gross profit
89,636

 
194,180

 
349,251

Operating expenses:
 
 
 
 
 
Research and development (1)
96,678

 
141,350

 
157,538

Sales and marketing (1)
104,006

 
140,188

 
233,191

General and administrative (1)
37,455

 
56,493

 
112,730

Total operating expenses
238,139

 
338,031

 
503,459

Loss from operations
(148,503
)
 
(143,851
)
 
(154,208
)
Other income (expense), net
1,749

 
4,581

 
16,146

Loss before income taxes
(146,754
)
 
(139,270
)
 
(138,062
)
Provision for income taxes
155

 
793

 
840

Net loss
(146,909
)
 
(140,063
)
 
(138,902
)
Net income (loss) attributable to noncontrolling interest (2)
(45
)
 
22

 
1,781

Net loss attributable to Slack
(146,864
)
 
(140,085
)
 
(140,683
)
Less: Deemed dividends to preferred stockholders

 
40,883

 

Net loss attributable to Slack common stockholders
$
(146,864
)
 
$
(180,968
)
 
$
(140,683
)
Basic and diluted net loss per share:
 
 
 
 
 
Net loss per share attributable to Slack common stockholders, basic and diluted (3)
$
(1.28
)
 
$
(1.47
)
 
$
(1.16
)
Weighted-average shares used in computing net loss per share attributable to Slack common stockholders, basic and diluted (3)
114,887

 
122,865

 
121,732

Pro forma net loss per share attributable to Slack common stockholders, basic and diluted (unaudited) (3)
 
 
 
 
$
(0.27
)
Weighted-average shares used in computing pro forma net loss per share attributable to Slack common stockholders, basic and diluted (unaudited) (3)
 
 
 
 
517,493


62



__________________
(1)
Includes stock-based compensation as follows:
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Cost of revenue
$
630

 
$
491

 
$
732

Research and development
34,546

 
35,260

 
9,948

Sales and marketing
9,744

 
8,044

 
2,677

General and administrative
5,171

 
4,288

 
9,775

Total stock-based compensation
$
50,091

 
$
48,083

 
$
23,132

Stock-based compensation for fiscal years 2017, 2018, and 2019 included compensation expense of $26.5 million, $0, and $14.8 million, respectively, related to secondary sales of common stock by certain of our current and former employees and $8.0 million, $39.4 million, and $0, respectively, related to cash payments attributable to tender offers and repurchases for our outstanding common stock.
(2)
Our consolidated financial statements include our majority-owned subsidiary, Slack Fund . The ownership interest of minority investors in Slack Fund is recorded as a noncontrolling interest.
(3)
See note 10 to our consolidated financial statements included elsewhere in this prospectus for an explanation of the method used to calculate basic and diluted net loss per share attributable to Slack common stockholders and pro forma basic and diluted net loss per share attributable to Slack common stockholders and the weighted-average number of shares used in the computation of the per share amounts.
 
As of January 31,
 
Pro Forma
January 31, 2019
(1)
 
2018
 
2019
 
 
(In thousands)
Consolidated Balance Sheet Data:
 
 
 
 
 
Cash, cash equivalents, and marketable securities
$
548,761

 
$
841,071

 
$
841,071

Working capital
440,258

 
650,324

 
650,324

Total assets
697,780

 
1,198,956

 
1,198,956

Total deferred revenue
125,453

 
241,873

 
241,873

Convertible preferred stock
965,221

 
1,392,101

 

Total stockholders’ equity
519,288

 
841,606

 
841,606

__________________
(1)
The pro forma column in the consolidated balance sheet data table above reflects (a) the automatic conversion of all outstanding shares of our convertible preferred stock into  373,371,712  shares of Class B common stock as if such conversion had occurred on January 31, 2019, (b) the vesting and settlement of  22,388,531 RSUs for which the service-based condition was fully satisfied as of January 31, 2019 and for which we expect the performance vesting condition to be satisfied upon the listing and public trading of our Class A common stock on the NYSE, and (c) stock-based compensation of $157.5 million associated with outstanding RSUs as of January 31, 2019 for which we expect the performance vesting condition to be satisfied upon the listing and public trading of our Class A common stock on the NYSE. Payroll taxes and other withholding obligations have not been included in the pro forma column. For additional information, see Note 1 to our consolidated financial statements included elsewhere in this prospectus and in the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Significant Impacts of Stock-Based Compensation.”
Key Business Metrics
We review the following key business metrics to measure our performance, identify trends, formulate financial projections, and make strategic decisions. We are not aware of any uniform standards for calculating these key metrics, which may hinder comparability with other companies who may calculate similarly-titled metrics in a different way.
 
As of January 31,
 
2017
 
2018
 
2019
Paid Customers
37,000

 
59,000

 
88,000

Paid Customers >$100,000
135

 
298

 
575

Net Dollar Retention Rate
171
%
 
152
%
 
143
%

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For additional information about our key business metrics, see the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Key Business Metrics.”
Non-GAAP Financial Measures
In addition to our results determined in accordance with GAAP we believe the below non-GAAP measures are useful in evaluating our operating performance . We use the below non-GAAP financial information, collectively, to evaluate our ongoing operations and for internal planning and forecasting purposes.
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Calculated Billings
$
143,390

 
$
289,013

 
$
516,972

 
 
 
 
 
 
Free Cash Flow
$
(114,038
)
 
$
(57,661
)
 
$
(97,239
)
Tender offer payments and repurchases deemed compensation   (1)
8,033

 
39,374

 

Adjusted Free Cash Flow
$
(106,005
)
 
$
(18,287
)
 
$
(97,239
)
__________________
(1)
In fiscal years 2017 and 2018, we made cash payments of $8.0 million and $39.4 million, respectively, attributable to tender offers and repurchases for our outstanding common stock, which was accounted for as compensation. Adjusted Free Cash Flow has been shown here as adjusted for these cash payments. We have adjusted our Free Cash Flow for these payments because we do not expect them to occur when we are a public company so we believe that this provides greater comparability across periods.
For additional information and reconciliations of the non-GAAP financial measures to the most directly comparable financial measures stated in accordance with GAAP, see the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Non-GAAP Financial Measures.”

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MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
You should read the following discussion and analysis of our financial condition and results of operations together with the “Selected Consolidated Financial Data and Other Data” and the consolidated financial statements and related notes included elsewhere in this prospectus. This discussion contains forward-looking statements based upon current expectations that involve risks and uncertainties. Our actual results may differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth under the section titled “Risk Factors” or in other parts of this prospectus. Our fiscal year ends January 31.
Overview
Slack is a new layer of the business technology stack that brings together people, applications, and data a single place where people can effectively work together, access hundreds of thousands of critical applications and services, and find important information to do their best work. Slack has very general and broad applicability. It is not aimed at any one specific purpose, but at nearly anything that people do together at work. Slack is used to review job candidates, coordinate election coverage, diagnose network problems, negotiate budgets, plan marketing campaigns, approve menus, and organize disaster response teams, along with countless other tasks.
Slack provides an easy way for users to share and aggregate information from other software, take action on notifications, and advance workflows in a multitude of third-party applications, over 1,500 of which are listed in the Slack App Directory. Further, Slack’s platform capabilities extend beyond integrations with third-party applications and allow for easy integrations with an organization’s internally-developed software.
During the three months ended January 31, 2019, our daily active users, which we define as users who either created or consumed content in a given 24-hour period on either a free or paid subscription plan, exceeded 10 million. As of January 31, 2019, Slack had more than 600,000 organizations with three or more users, comprised of more than 88,000 Paid Customers and more than 500,000 organizations on our Free subscription plan. We define an organization as a separate entity, such as a company, educational or government institution, or distinct business unit of a company, that is on a subscription plan, whether free or paid. Once an organization has three or more users on a paid subscription plan, we count them as a Paid Customer.
We serve organizations of all sizes across industries, ranging from software companies, such as Autodesk and Oracle, to consumer retail companies, such as LVMH and Everlane, to financial services companies, such as Liberty Mutual, and government entities, such as NASA Jet Propulsion Laboratory. Slack is currently used in over 150 countries and available in eight languages (English (U.S.), English (U.K.), French, German, Japanese, Portuguese (Brazil), Spanish (Latin America), and Spanish (Spain)). In the years ended January 31, 2017, 2018 and 2019, 34%, 34%, and 36%, respectively, of our revenue was generated by Paid Customers outside of the United States. In the periods presented, no one Paid Customer accounted for more than 3% of our revenue.
We have experienced rapid growth in recent periods. Our revenue was $105.2 million , $220.5 million , and $400.6 million for the years ended January 31, 2017, 2018, and 2019, respectively, representing annual growth of 110% and 82% , respectively. We generated net losses for the years ended January 31, 2017, 2018, and 2019 of $146.9 million , $140.1 million , and $138.9 million , respectively, which included $50.1 million , $48.1 million , and $23.1 million , respectively, of stock-based compensation. Our net losses have been decreasing as a percentage of revenue over time as revenue growth has outpaced the growth in operating expenses. We plan to continue to invest in adding organizations to Slack in order to increase our revenues, decrease our operating losses, and eventually reach profitability. However, there can be no guarantee as to when we will eventually reach profitability, if at all.

65



Since our public launch in 2014, we have focused on designing Slack and developing partnerships in ways that have allowed organizations on Slack to realize the value of this new way of working.
MDAB1.JPG
Our Subscriptions
We generate revenue primarily from the sale of subscriptions for Slack. Paid customers typically pay on a monthly or annual basis, based on the number of users that they have on Slack. We offer four subscription plans to serve the varying needs of organizations on Slack: Free, Standard, Plus, and Enterprise Grid.
Our Free, Standard, and Plus subscription plans consist of a single workspace, or a basic Slack environment configured for each team. These plans are typically adopted by teams within small- and medium-sized businesses. Our Free subscription plan is designed for new organizations and users to quickly realize value. Our Standard and Plus subscription plans introduce additional capabilities, including enhanced access to content, unlimited integrations, shared channels, guest accounts, and administrative controls. We believe these features offer organizations and users significant value, especially as Slack expands within an organization.
We designed Enterprise Grid for larger organizations that often have tens of thousands of users and require enhanced functionality, flexibility, administrative control, and security at scale. Enterprise Grid allows paid customers to create, manage, and search across an unlimited set of connected workspaces and channels. Enterprise Grid makes it easy for workers and administrators to tap into their organization’s collective knowledge at scale; access centralized controls to provision and manage Slack; and integrate with third-party e-Discovery and data loss prevention tools to help meet security and compliance requirements.
We have a fair billing policy under which certain paid customers are charged a fee per user, and their billing is reconciled on a monthly or quarterly basis based on usage. As part of this policy, these paid customers are entitled to a credit if they have not used the entirety of the contracted number of users for which they have paid during the contractual term of the arrangement. Other paid customers have a type of subscription agreement where they are charged a fee based on the number of purchased user subscriptions, but billing is fixed and independent of usage.

66



Our Go-to-Market Model
We combine a web-based, self-service go-to-market approach to attract users with direct sales efforts that focus on growing paid users within larger organizations that generally already have Slack users and acquiring new large organizations as paid customers. We believe that these go-to-market approaches reinforce one another; self-service users become leads for our salespeople and paid users within larger enterprises create organic awareness of Slack inside and outside of their organizations. We complement these activities with an obsessive focus on customer experience and customer success to support the growth of the number of users on free and paid subscriptions.
Self-service adoption and marketing
Many organizations adopt Slack initially as part of our self-service go-to-market approach. We deploy a range of marketing strategies and tactics to drive initial awareness and adoption. Slack is easily accessible from our website and users can immediately begin using Slack through our Free subscription plan. This model facilitates rapid and efficient user adoption, particularly by empowering users to access Slack without the friction of payment or a formal sales interaction. We believe free usage helps prospective paid customers realize the value of Slack and users spread the word organically throughout their networks and organizations. Many of our users begin their journey with Slack on our Free subscription plan.
Our customer experience team is core to enhancing user adoption, free-to-paid conversion, and Net Dollar Retention Rate. This team educates users and organizations on Slack about Slack’s broad use cases and benefits, and helps facilitate broader organic adoption. As organizations engage more deeply with Slack, they often upgrade to paid plans via our website.
Direct sales and marketing
To acquire new paid customers and increase adoption within larger organizations, we utilize a direct sales organization that complements our self-service approach. Our direct sales force leverages Slack champions and proofs of concept developed through self-service adoption. We combine this bottoms-up demand with direct sales efforts targeted at C-suite executives and business unit leaders. These efforts include a globally distributed field sales force, solutions engineering, demand generation campaigns, webinars, analyst relations, C-suite events, cooperative marketing efforts with our partners, and hosted user conferences, highlighted by Frontiers, our annual user conference.
Factors Affecting our Performance
We believe that the growth of Slack and our future success and performance are dependent upon many factors, including those below. While these factors present significant opportunities for us, these factors also represent the challenges that we must successfully address in order to grow the adoption and use of Slack and improve our results of operations.
Self-service acquisition of new organizations
We primarily attract new and prospective organizations organically, through a self-service customer engagement model. Prospective organizations can evaluate and subscribe to Slack directly on our website, through either our Free subscription plan or one of our self-service paid plans. As organizations realize the benefits of Slack, they often expand their usage and spread the word organically throughout their networks about the benefits they have experienced. This organic growth in the number of organizations on Slack in turn leads to increased benefits for organizations already on Slack. We intend to continue investing to maintain organic growth in the number of organizations on Slack by strengthening our efficient self-service customer engagement model and investing in marketing to help new organizations discover the benefits of Slack. This self-service model requires us to incur sales and marketing expenses often prior to generating corresponding revenue.
Conversion of organizations on our free version to paid customers
Many organizations often start using our Free subscription plan. We have observed that organizations on Free subscription plans often upgrade to paid subscriptions as they engage more deeply with Slack, both through using Slack for collaboration and communication and integrating more third-party and internally-developed applications via our

67



platform. Often, we believe that organizations on our Free subscription plan convert to a paid subscription plan because of the ability to search and access beyond 10,000 messages, which is the limit under our Free subscription plan, and single-sign-on, which is offered under our Plus plan. In the fiscal year ended January 31, 2018, approximately 10% of our revenue was derived from organizations on our Free subscription plan prior to fiscal year 2018 that converted to Paid Customers in fiscal year 2018. I n the fiscal year ended January 31, 2019, approximately 8% of our revenue was derived from organizations on our Free subscription plan prior to fiscal year 2019 that converted to Paid Customers in fiscal year 2019.
We intend to continue to invest in product development, customer experience, customer support, and sales and marketing in order to help all organizations on Slack transform the way they work, which we believe will continue to propel the conversion of organizations on our Free subscription plan to a paid subscription plan.
Success of our direct sales force
We believe that there is a substantial opportunity for us to continue to increase the size of our enterprise paid customer base across a broad range of industries given the fundamental need to help people collaborate, communicate, and seamlessly integrate workflows across applications. Our direct sales force is focused on growing usage within larger paid customers and acquiring new paid customers. We intend to continue to expand our enterprise direct sales force to address this opportunity.
Expansion of users within existing paid customers
We believe that the long-term value of Slack to an organization increases as an organization expands its adoption, increases application integrations, and grows inter- and intra-organization communications. Our direct sales and customer success teams help organizations on Slack realize and achieve the potential value from broader adoption of Slack. We are investing substantially in customer experience, customer success, education, and other capabilities to drive an increase in users within organizations on Slack. We measure the rate of expansion within our Paid Customer base by calculating our Net Dollar Retention Rate. We believe that our Net Dollar Retention Rate demonstrates our large addressable market and high rate of net expansion within Paid Customers. As of January 31, 2019, our Net Dollar Retention Rate was 143%.

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The chart below illustrates the annual recurring revenue, or ARR, of each cohort over the periods presented, with each cohort representing Paid Customers who made their first purchase from us in a given fiscal year. For example, the fiscal year 2015 cohort represents all Paid Customers that purchased their first subscription from us during the fiscal year ended January 31, 2015. For a description of how our ARR is calculated, see the section titled “—Key Business Metrics—Paid Customers >$100,000” below.
MDAA2.JPG
Continued investment in product development
We intend to continually invest to innovate and augment Slack’s core capabilities, to further our market leadership and to make Slack an even easier and more effective place where users get work done. For example, we recently launched shared channels, which create a new way for secure inter-organization communication and collaboration beyond what single- and multi-channel guest accounts provide. We also intend to continue investing to expand the number of developers building applications that integrate with Slack and to make Slack work with an increasing number of third-party and internally developed custom applications. We intend to continue to build and enhance Slack through both internal research and development as well as selectively pursuing acquisitions that can uniquely contribute to Slack’s capabilities. We also intend to unlock growth in under-penetrated regions by translating and localizing Slack, as well as adding product functionality to address new markets. We expect these investments to benefit our business over the long term and to see research and development expenses increase in dollar amount over time as we grow.
Continued investment for growth
Although we have invested significantly in our business to date, we believe that our high-growth market opportunity is still in the early stages of development. We intend to continue to make investments to support the growth and expansion of our business, to increase revenue, and to further scale our operations. We believe there is a significant opportunity to continue our growth and, therefore, we intend to increase investments in marketing and expand our field sales team in order to drive greater adoption of Slack. We plan to open offices, hire sales and customer experience employees in additional countries, and expand our presence in countries where we already operate. Further, we expect to incur additional general and administrative expenses in connection with our transition to being a public company. As cost of revenue and operating expenses may fluctuate over time, we may experience short-term, negative impacts to our results of operations and cash flows, but we expect our investments will contribute to the long-term growth and success of our company.

69



Key Business Metrics
We review the following key business metrics to measure our performance, identify trends, formulate financial projections, and make strategic decisions. We are not aware of any uniform standards for calculating these key metrics, which may hinder comparability with other companies who may calculate similarly-titled metrics in a different way.
We define an organization as a separate entity, such as a company, educational or government institution, or distinct business unit of a company, that is on a subscription plan, whether free or paid. Once an organization has three or more users on a paid subscription plan, we count them as a Paid Customer, and when disclosing the number of Paid Customers, we round down to the nearest thousand.
 
As of January 31,
 
2017
 
2018
 
2019
Paid Customers
37,000

 
59,000

 
88,000

Paid Customers >$100,000
135

 
298

 
575

Net Dollar Retention Rate
171
%
 
152
%
 
143
%
Paid Customers
We believe that the growth in our Paid Customer base reflects our value proposition and positions us for future growth as our Paid Customers often expand their adoption over time and Paid Customers increase awareness of Slack, which leads to organic adoption by new organizations. Our Paid Customers base has expanded through increasing awareness of Slack, further developing our go-to-market strategy and continuing to build features tuned to different industry needs. Our Paid Customer base includes organizations of all sizes across a wide range of industries.
MDAA3.JPG
Paid Customers >$100,000
We focus on growing the number of Paid Customers >$100,000 as a measure of our ability to scale with organizations on Slack and attract larger organizations to Slack. We believe that our ability to increase the number of Paid Customers >$100,000 is a key indicator for important components of the growth of our business, including our success in expanding

70



the number of users within a Paid Customer, providing the functionality required by large organizations and developing our direct sales force. In fiscal years 2017, 2018, and 2019, approximately 22%, 32%, and 40%, respectively, of our revenue was generated from our Paid Customers >$100,000.
We define Paid Customers >$100,000 as those organizations on a paid subscription plan that had more than $100,000 in ARR as of a period end. ARR is based on monthly recurring revenue, or MRR, for the most recent month at period end, multiplied by twelve. For Paid Customers that have a type of subscription agreement where billing is reconciled on a monthly or quarterly basis based on usage, MRR is calculated by multiplying the monthly subscription price, inclusive of discounts, by the number of active subscriptions as of the month end. For Paid Customers that have a type of subscription agreement where billing is fixed and independent of usage, MRR is calculated by multiplying the monthly subscription price, inclusive of discounts, by the number of purchased subscriptions.
MDAA4.JPG
Net Dollar Retention Rate
We disclose Net Dollar Retention Rate as a supplemental measure of our organic revenue growth. We believe Net Dollar Retention Rate is an important metric that provides insight into the long-term value of our subscription agreements and our ability to retain, and grow revenue from, our Paid Customers.
We calculate Net Dollar Retention Rate as of a period end by starting with the MRR from all Paid Customers as of twelve months prior to such period end, or Prior Period MRR. We then calculate the MRR from these same Paid Customers as of the current period end, or Current Period MRR. Current Period MRR includes expansion within Paid Customers and is net of contraction or attrition over the trailing twelve months, but excludes revenue from new Paid Customers in the current period, including those organizations that were only on Free subscription plans in the prior period and converted to paid subscription plans during the current period. We then divide the total Current Period MRR by the total Prior Period MRR to arrive at our Net Dollar Retention Rate. Our Net Dollar Retention Rate has declined from 171% as of January 31, 2017 to 152% as of January 31, 2018 to 143% as of January 31, 2019 as our base of revenue has grown the past few years and our penetration within existing, long-term Paid Customers has increased. Our Net Dollar Retention Rate will fluctuate in future periods due to a number of factors, including the growing level of our revenue base, the level of penetration within our Paid Customer base, expansion of products and features, and our ability to retain our Paid Customers.

71



Non-GAAP Financial Measures
In addition to our results determined in accordance with GAAP, we believe the below non-GAAP measures are useful in evaluating our operating performance . We use the below non-GAAP financial information, collectively, to evaluate our ongoing operations and for internal planning and forecasting purposes. We believe that non-GAAP financial information, when taken collectively, may be helpful to investors because it provides consistency and comparability with past financial performance, and assists in comparisons with other companies, some of which use similar non-GAAP financial information to supplement their GAAP results. The non-GAAP financial information is presented for supplemental informational purposes only, and should not be considered a substitute for financial information presented in accordance with GAAP, and may be different from similarly-titled non-GAAP measures used by other companies. A reconciliation is provided below for each non-GAAP financial measure to the most directly comparable financial measure stated in accordance with GAAP. Investors are encouraged to review the related GAAP financial measures and the reconciliation of these non-GAAP financial measures to their most directly comparable GAAP financial measures.
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Calculated Billings
$
143,390

 
$
289,013

 
$
516,972

 
 
 
 
 
 
Free Cash Flow
$
(114,038
)
 
$
(57,661
)
 
$
(97,239
)
Tender offer payments and repurchases deemed compensation   (1)
8,033

 
39,374

 

Adjusted Free Cash Flow
$
(106,005
)
 
$
(18,287
)
 
$
(97,239
)
__________________
(1)
In fiscal years 2017 and 2018, we made cash payments of $8.0 million and $39.4 million, respectively, attributable to tender offers and repurchases for our outstanding common stock, which was accounted for as compensation. Adjusted Free Cash Flow has been shown here as adjusted for these cash payments. We have adjusted our Free Cash Flow for these payments because we do not expect them to occur when we are a public company so we believe that this provides greater comparability across periods.
Calculated Billings
Calculated Billings consists of our revenue plus the change in our deferred revenue in a given period. The Calculated Billings metric is intended to reflect sales to new paid customers plus renewals and additional sales to existing paid customers. Our management uses Calculated Billings to measure and monitor our sales growth because we generally bill our paid customers at the time of sale, but may recognize a portion of the related revenue ratably over time. For subscriptions, we typically invoice our paid customers at the beginning of the term, in annual or monthly installments and, from time to time, in multi-year installments. Only amounts invoiced to a paid customer in a given period are included in Calculated Billings. While we believe that Calculated Billings provides valuable insight into the cash that will be generated from sales of our subscriptions, this metric may vary from period-to-period for a number of reasons, and therefore has a number of limitations as a quarter-over-quarter or year-over-year comparative measure. These reasons include, but are not limited to, the following: (i) a variety of contractual terms could result in some periods having a higher proportion of annual subscriptions than other periods, (ii) as we focus on sales to large organizations, the lengthening of our sales cycle, and the variability in the timing of the execution of these larger transactions, (iii) fluctuations in payment terms affecting the billings recognized in a particular period, and (iv) seasonality in our billings, with a greater proportion of our billings occurring in our fourth quarter, following typical enterprise software buying patterns. Because of these and other limitations, you should consider Calculated Billings along with revenue and our other GAAP financial results.

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The following table presents a reconciliation of revenue, the most directly comparable financial measure calculated in accordance with GAAP, to Calculated Billings, for each of the periods presented:
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Revenue
$
105,153

 
$
220,544

 
$
400,552

Add: Total deferred revenue, end of period
56,984

 
125,453

 
241,873

Less: Total deferred revenue, beginning of period
(18,747
)
 
(56,984
)
 
(125,453
)
Calculated Billings
$
143,390

 
$
289,013

 
$
516,972

Free Cash Flow and Adjusted Free Cash Flow
Free Cash Flow is a non-GAAP financial measure that we calculate as net cash provided by (used in) operating activities less purchases of property and equipment. Adjusted Free Cash Flow is a non-GAAP financial measure that we calculate as Free Cash Flow plus cash payments attributable to tender offers and repurchases for our outstanding common stock, which was accounted for as compensation. We believe that Free Cash Flow and Adjusted Free Cash Flow are useful indicators of liquidity that provide information to management and investors about the amount of cash generated from our core operations that, after the purchases of property and equipment, can be used for strategic initiatives, including investing in our business, making strategic acquisitions, and strengthening our balance sheet. We have adjusted our Free Cash Flow by the amount of cash payments attributable to tender offers and repurchases, which was accounted for as compensation because we do not expect such payments to occur when we are public company so we believe that this provides greater comparability across periods. Free Cash Flow and Adjusted Free Cash Flow have limitations as analytical tools, and they should not be considered in isolation or as substitutes for analysis of other GAAP financial measures, such as net cash provided by operating activities. Some of the limitations of Free Cash Flow and Adjusted Free Cash Flow are that these metrics do not reflect our future contractual commitments and may be calculated differently by other companies in our industry, limiting their usefulness as comparative measures. We expect our Free Cash Flow and Adjusted Free Cash Flow to fluctuate in future periods as we invest in our business to support our plans for growth. These activities, along with certain increased operating expenses as described below, may result in a decrease in Free Cash Flow and Adjusted Free Cash Flow, each as a percentage of revenue in future periods. We do not expect to use Adjusted Free Cash Flow as a metric for periods after we become a public reporting company.

73



The following table summarizes our cash flows for the periods presented and provides a reconciliation of net cash from operating activities, the most directly comparable financial measure calculated in accordance with GAAP, to Free Cash Flow and Adjusted Free Cash Flow, for each of the periods presented:
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Net cash used in operating activities
$
(89,806
)
 
$
(35,617
)
 
$
(41,059
)
Purchases of property and equipment
(24,232
)
 
(22,044
)
 
(56,180
)
Free Cash Flow
(114,038
)
 
(57,661
)
 
(97,239
)
Tender offer payments and repurchases deemed compensation   (1)
8,033

 
39,374

 

Adjusted Free Cash Flow
$
(106,005
)
 
$
(18,287
)
 
$
(97,239
)
Net cash used in investing activities
$
(41,771
)
 
$
(240,436
)
 
$
(333,421
)
Net cash provided by financing activities
$
214,096

 
$
297,035

 
$
437,677

__________________
(1)
In fiscal years 2017 and 2018, we made cash payments of $8.0 million and $39.4 million, respectively, attributable to tender offers and repurchases for our outstanding common stock, which was accounted for as compensation. Adjusted Free Cash Flow has been shown here as adjusted for these cash payments. We have adjusted our Free Cash Flow for these payments because we do not expect them to occur when we are public company so we believe that this provides greater comparability across periods.
Key Components of Results of Operations
Revenue
We generate substantially all of our revenue through sales of subscriptions of Slack to organizations. We recognize subscription revenue on a straight-line basis over the term of the contract subscription period beginning on the date access to Slack is granted, provided all other revenue recognition criteria have been met. Our subscriptions are generally non-cancellable and typically do not contain general rights of return. We maintain a fair billing policy, under which certain organizations on a paid subscription plan are entitled to credit if they have not used the entirety of the contracted number of users for which they have paid during the contractual term of the arrangement. These credits, accounted for as a part of deferred revenue, may be carried over to offset future billings and are not refundable for cash. On occasion, we also provide professional services to organizations on Slack. Professional services revenue has not been material to date.
Overhead Allocation and Employee Compensation Costs
We allocate shared costs, such as facilities (including rent, utilities, and depreciation on equipment shared by all departments) and information technology (IT) costs to all departments based on headcount. As such, allocated shared costs are reflected in cost of revenue and each operating expense category. Employee compensation costs, or personnel costs, include salaries, bonuses, benefits, and stock-based compensation for cost of revenue and each operating expense category and also includes sales commissions for sales and marketing.
Cost of Revenue
Cost of revenue consists primarily of expenses related to hosting Slack and providing ongoing customer support for paid customers. These expenses include employee compensation (including stock-based compensation) and other employee-related expenses for customer experience and technical operations staff, payments to outside service providers, third-party hosting costs, payment processing fees, and amortization expense associated with internally-developed and purchased technology . We expect our cost of revenue to continue to increase in absolute dollar amounts as we grow our business and revenue.

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Operating Expenses
Research and Development. Research and development expenses consist primarily of personnel costs and allocated overhead. Our research and development efforts focus on maintaining and enhancing existing functionality of, and adding new functionality to, Slack. We plan to increase the dollar amount of our investment in research and development for the foreseeable future as we focus on developing new features and enhancements. We expect, however, that our research and development expenses will decrease as a percentage of our revenue over time as our revenue grows, although the percentage may fluctuate from period to period depending on fluctuations in the timing and extent of our research and development expenses.
Sales and Marketing. Sales and marketing expenses consist primarily of personnel costs, expenses associated with our marketing and business development programs, including Frontiers, our annual user conference. Sales and marketing expenses also include allocated third-party hosting costs as well as customer experience and technical operations employee overhead costs for users of our free version of Slack. Sales commissions that are directly related to acquiring sales contracts, as well as associated payroll taxes, are deferred upon execution of a non-cancellable contract with an organization, and subsequently amortized to sales and marketing expense over the estimated period of benefit, typically four years. We plan to increase the dollar amount of our investment in sales and marketing for the foreseeable future, primarily for increased headcount for our direct sales organization and investment in brand and product marketing efforts. We expect, however, that our sales and marketing expenses will decrease as a percentage of our revenue over time as our revenue grows, although the percentage may fluctuate from period to period depending on fluctuations in the timing and extent of our sales and marketing expenses.
General and Administrative . General and administrative expenses consist primarily of personnel costs for our finance and accounting, legal, human resources, and other administrative teams as well as for certain executives and professional fees, including audit, legal, and recruiting services. We expect to increase the size of our general and administrative function to support the growth of our business. We also expect to recognize certain non-recurring costs as part of our transition to a publicly-traded company, consisting of professional fees and other expenses. These fees are being expensed in the period incurred. We expect to incur $          million in audit fees and $          million in legal fees and expenses. In the quarter of the listing of our Class A common stock on the NYSE, we expect to incur approximately $          million in fees paid to our financial advisors and associate financial advisors. Following the listing of our Class A common stock on the NYSE, we expect to continue to incur additional expenses as a result of operating as a public company, including costs to comply with the rules and regulations applicable to companies listed on a U.S. securities exchange and costs related to compliance and reporting obligations pursuant to the rules and regulations of the SEC. In addition, as a public company, we expect to incur increased expenses in the areas of insurance, investor relations, and professional services. As a result, we expect the dollar amount of our general and administrative expenses to increase for the foreseeable future. We expect, however, that our general and administrative expenses will decrease as a percentage of our revenues over time, although the percentage may fluctuate from period to period depending on fluctuations in our revenue and the timing and extent of our general and administrative expenses.
Other Income (Expense), Net
Other income (expense), net consists primarily of interest income earned on our cash, cash equivalents, and marketable securities, gains or losses on foreign currency exchange, and the change in fair value of our strategic investments.
Provision for Income Taxes
Provision for income taxes consists primarily of U.S. federal, state income taxes, and income taxes in certain foreign jurisdictions in which we conduct business. Since inception, we have incurred operating losses and, accordingly, have not recorded a provision for income taxes for any of the periods presented other than provisions for foreign income tax. As of January 31, 2019, we had net operating loss carryforwards for both federal and state income tax purposes of $221.4 million and $154.5 million , respectively. We also had federal research and development tax credit carryforwards of approximately $17.2 million and state research and development tax credit carryforwards of approximately $14.4 million .

75



Since the realization of deferred tax assets is dependent upon future earnings, if any, the timing and amount of which are uncertain, we have recorded a valuation allowance of $112.7 million as of January 31, 2019, against our net deferred tax asset balance of $112.7 million . If not utilized, a portion of the federal and state net operating loss and tax credit carryforwards will begin to expire in 2029. Utilization of these net operating losses and credit carryforwards may be subject to an annual limitation that is applicable if we experience an “ownership change” through a change in significant stockholder allocation or equity structure.
On December 22, 2017, the legislation commonly referred to as the Tax Cuts and Jobs Act, or the Tax Act, was enacted, which contains significant changes to U.S. tax law. Among other provisions, the Tax Act reduces the U.S. corporate income tax rate to 21% and repeals the alternative minimum tax, effective as of 2018. As a result, we have re-measured our U.S. deferred tax assets and liabilities as of December 31, 2017 to reflect the lower rate expected to apply when these temporary differences reverse.
Results of Operations
The following tables set forth our results of operations for the periods presented in dollars and as a percentage of our revenue:
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Revenue
$
105,153

 
$
220,544

 
$
400,552

Cost of revenue (1)
15,517

 
26,364

 
51,301

Gross profit
89,636

 
194,180

 
349,251

Operating expenses:
 
 
 
 
 
Research and development (1)
96,678

 
141,350

 
157,538

Sales and marketing (1)
104,006

 
140,188

 
233,191

General and administrative (1)
37,455

 
56,493

 
112,730

Total operating expenses
238,139

 
338,031

 
503,459

Loss from operations
(148,503
)
 
(143,851
)
 
(154,208
)
Other income (expense), net
1,749

 
4,581

 
16,146

Loss before income taxes
(146,754
)
 
(139,270
)
 
(138,062
)
Provision for income taxes
155

 
793

 
840

Net loss
(146,909
)
 
(140,063
)
 
(138,902
)
Net income (loss) attributable to noncontrolling interest (2)
(45
)
 
22

 
1,781

Net loss attributable to Slack
(146,864
)
 
(140,085
)
 
(140,683
)
Less: Deemed dividends to preferred stockholders

 
40,883

 

Net loss attributable to Slack common stockholders
$
(146,864
)
 
$
(180,968
)
 
$
(140,683
)
__________________
(1)
Includes stock-based compensation as follows:
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Cost of revenue
$
630

 
$
491

 
$
732

Research and development
34,546

 
35,260

 
9,948

Sales and marketing
9,744

 
8,044

 
2,677

General and administrative
5,171

 
4,288

 
9,775

Total stock-based compensation
$
50,091

 
$
48,083

 
$
23,132


76



(2)
Our consolidated financial statements include our majority-owned subsidiary, Slack Fund. The ownership interest of minority investors in Slack Fund is recorded as a noncontrolling interest.
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(as a % of revenue)
Revenue
100
 %
 
100
 %
 
100
 %
Cost of revenue
15

 
12

 
13

Gross profit
85

 
88

 
87

Operating expenses:
 
 
 
 
 
Research and development
92

 
64

 
39

Sales and marketing
99

 
63

 
58

General and administrative
35

 
26

 
28

Total operating expenses
226

 
153

 
125

Loss from operations
(141
)
 
(65
)
 
(38
)
Other income (expense), net
1

 
2

 
4

Loss before income taxes
(140
)
 
(63
)
 
(34
)
Provision for income taxes

 
1

 
1

Net loss
(140
)
 
(64
)
 
(35
)
Net income (loss) attributable to noncontrolling interest

 

 

Net loss attributable to Slack
(140
)
 
(64
)
 
(35
)
Less: Deemed dividends to preferred stockholders

 
18

 

Net loss attributable to Slack common stockholders
(140
)%
 
(82
)%
 
(35
)%
Comparison of the Years Ended January 31, 2018 and 2019
Revenue and Cost of Revenue
 
Year Ended January 31,
 
 
 
 
 
2018
 
2019
 
$ Change
 
% Change
 
(In thousands)
 
 
 
 
Revenue
$
220,544

 
$
400,552

 
$
180,008

 
82
%
Cost of revenue
26,364

 
51,301

 
24,937

 
95

Gross profit
$
194,180

 
$
349,251

 
$
155,071

 
80

Revenue increased $180.0 million , or 82% , for the year ended January 31, 2019 compared to the year ended January 31, 2018. The increase in revenue was primarily due to expansion within our existing Paid Customers, as reflected by our Net Dollar Retention Rate of 143% as of January 31, 2019, and the addition of new Paid Customers, as our number of Paid Customers increased by 49% in the year ended January 31, 2019 compared to the prior year.
Cost of revenue increased $24.9 million , or 95% , for the year ended January 31, 2019 compared to the year ended January 31, 2018. The increase was primarily due to an $11.2 million increase in third-party hosting costs as the number of organizations on and usage of Slack in general increased, an $8.3 million increase in personnel and related costs, a $2.7 million increase in facility- and IT-related overhead costs due to additional headcount to support the growth in organizations on Slack, and a $2.4 million increase in credit card payment processing fees as the volume of sales transactions increased.

77



Operating Expenses
 
Year Ended January 31,
 
 
 
 
 
2018
 
2019
 
$ Change
 
% Change
 
(In thousands)
 
 
 
 
Operating expenses:
 
 
 
 
 
 
 
Research and development
$
141,350

 
$
157,538

 
$
16,188

 
11
%
Sales and marketing
140,188

 
233,191

 
93,003

 
66

General and administrative
56,493

 
112,730

 
56,237

 
100

Total operating expenses
$
338,031

 
$
503,459

 
$
165,428

 
49

Research and Development
Research and development expenses increased $16.2 million , or 11% , for the year ended January 31, 2019 compared to the year ended January 31, 2018. The increase was primarily due to a $6.9 million increase in personnel costs, primarily attributable to a 36% increase in research and development headcount, a $6.4 million increase in facility- and IT-related overhead costs to support our headcount growth, and the continued development and scalability of Slack, and a $2.5 million increase in contracted workers to supply additional workforce.
Sales and Marketing
Sales and marketing expenses increased $93.0 million , or 66% , for the year ended January 31, 2019 compared to the year ended January 31, 2018. The increase was primarily due to the substantial expansion of our sales force and marketing programs, including a $34.9 million increase in marketing expenses associated with higher advertising, brand marketing, and promotional activities. Personnel costs, which includes customer experience and infrastructure employee costs for users of our free version, also increased $30.2 million as we increased our sales and marketing headcount by 77% due to the need to support our growth. In addition, facility- and IT-related overhead costs increased $10.3 million to support our headcount growth. Further, third-party hosting costs for users on a Free subscription plan of Slack increased $9.5 million primarily due to continuing growth in our user base.
General and Administrative
General and administrative expenses increased $56.2 million , or 100% , for the year ended January 31, 2019 compared to the year ended January 31, 2018. The increase was primarily due to a $27.1 million increase in personnel costs primarily attributable to a 74% increase in our administrative, finance and accounting, legal, and human resources headcount, a $15.6 million increase in third-party professional service expenses to support our growth, and a $7.6 million increase in facility- and IT-related overhead costs due to additional headcount. In addition, we recorded a $2.3 million loss on disposals of property and equipment associated with office equipment and furniture and fixtures located at our previous headquarters facility.
Other Income (Expense), Net
Other income (expense), net was $16.1 million for the year ended January 31, 2019, an increase of $11.6 million from the year ended January 31, 2018. The increase in other income (expense), net was primarily due to an increase in interest income of $9.6 million on marketable securities and an increase in fair market value of our strategic investments of $3.7 million, partially offset by increased net foreign exchange losses of $1.4 million.
Provision for Income Taxes
The provision for income taxes was consistent at $0.8 million for the year ended January 31, 2019 and January 31, 2018.

78



Comparison of the Years Ended January 31, 2017 and 2018
Revenue and Cost of Revenue
 
Year Ended January 31,
 
 
 
 
 
2017
 
2018
 
$ Change
 
% Change
 
(In thousands)
 
 
 
 
Revenue
$
105,153

 
$
220,544

 
$
115,391

 
110
%
Cost of revenue
15,517

 
26,364

 
10,847

 
70

Gross profit
$
89,636

 
$
194,180

 
$
104,544

 
117

Revenue increased $115.4 million , or 110% , for the year ended January 31, 2018 compared to the year ended January 31, 2017. The increase in revenue was primarily due to expansion within our existing Paid Customers, as reflected by our Net Dollar Retention Rate of 152% as of January 31, 2018, and the addition of new Paid Customers, as our number of Paid Customers increased by 59% in the year ended January 31, 2018 compared to the prior year.
Cost of revenue increased $10.8 million , or 70% , for the year ended January 31, 2018 compared to the year ended January 31, 2017. The increase was primarily due to a $5.0 million increase in third-party hosting costs as the number of organizations on and usage of Slack in general increased, a $2.5 million increase in personnel and related costs, a $1.6 million increase in credit card payment processing fees as the volume of sales transactions increased due to the growth of our business, and a $1.4 million increase in facility- and IT-related overhead costs due to additional headcount to support the growth in organizations on Slack.
Operating Expenses
 
Year Ended January 31,
 
 
 
 
 
2017
 
2018
 
$ Change
 
% Change
 
(In thousands)
 
 
 
 
Operating expenses:
 
 
 
 
 
 
 
Research and development
$
96,678

 
$
141,350

 
$
44,672

 
46
%
Sales and marketing
104,006

 
140,188

 
36,182

 
35

General and administrative
37,455

 
56,493

 
19,038

 
51

Total operating expenses
$
238,139

 
$
338,031

 
$
99,892

 
42

Research and Development
Research and development expenses increased $44.7 million , or 46% , for the year ended January 31, 2018 compared to the year ended January 31, 2017. The increase was primarily due to a $31.0 million increase in personnel costs, primarily attributable to a 22% increase in research and development headcount, a $10.6 million increase in facility- and IT-related overhead costs to support our headcount growth, and the continued development and scalability of Slack.
Sales and Marketing
Sales and marketing expenses increased $36.2 million , or 35% , for the year ended January 31, 2018 compared to the year ended January 31, 2017. The increase was primarily due to the substantial expansion of our sales force and marketing programs. Personnel costs, which includes customer experience and infrastructure employee costs for users of our free version, increased $17.0 million as we increased our sales and marketing headcount by 86% due to the need to support our growth. In addition, third-party hosting costs for users on a Free subscription plan of Slack increased $9.9 million primarily due to continuing growth in our user base. Further, facility- and IT-related overhead costs increased $8.1 million to support our headcount growth.

79



General and Administrative
General and administrative expenses increased $19.0 million , or 51% , for the year ended January 31, 2018 compared to the year ended January 31, 2017. The increase was primarily due to a $10.0 million increase in personnel costs primarily attributable to a 38% increase in our administrative, finance and accounting, legal, and human resources headcount, a $4.7 million increase in facility- and IT-related overhead costs due to additional headcount, and a $2.5 million increase in third-party professional service expenses to support our growth.
Other Income (Expense), Net
Other income (expense), net was $4.6 million for the year ended January 31, 2018, an increase of $2.8 million from the year ended January 31, 2017. The increase in other income (expense), net was primarily due to an increase in interest income of $1.8 million on investments, increased net foreign exchange gains of $0.6 million, and an increase in other non-operating income of $0.4 million.
Provision for Income Taxes
The provision for income taxes was $0.8 million for the year ended January 31, 2018, an increase of $0.6 million from the year ended January 31, 2017, primarily related to a provision for income taxes in foreign tax jurisdictions.

80



Quarterly Results of Operations
The following tables set forth our unaudited quarterly statements of operations data for each of the eight quarters ended January 31, 2019, as well as the percentage of revenue that each line item represents for each quarter. The information for each of these quarters has been prepared on the same basis as the audited annual financial statements included elsewhere in this prospectus and, in the opinion of management, includes all adjustments, which includes only normal recurring adjustments, necessary for the fair statement of the results of operations for these periods. This data should be read in conjunction with our audited consolidated financial statements and related notes included elsewhere in this prospectus. These quarterly results of operations are not necessarily indicative of our future results of operations that may be expected for any future period.
 
Three Months Ended
 
April 30,
2017
 
July 31,
2017
 
October 31,
2017
 
January 31,
2018
 
April 30,
2018
 
July 31,
2018
 
October 31,
2018
 
January 31,
2019
 
(In thousands)
Revenue
$
42,719

 
$
51,320

 
$
58,046

 
$
68,459

 
$
80,919

 
$
92,018

 
$
105,648

 
$
121,967

Cost of revenue (1)
5,418

 
6,098

 
6,788

 
8,060

 
10,101

 
11,361

 
13,540

 
16,299

Gross profit
37,301

 
45,222

 
51,258

 
60,399

 
70,818

 
80,657

 
92,108

 
105,668

Operating expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Research and development (1)
24,381

 
26,800

 
28,489

 
61,680

 
35,410

 
35,182

 
40,990

 
45,956

Sales and marketing (1)
26,761

 
29,307

 
35,274

 
48,846

 
42,168

 
53,553

 
67,687

 
69,783

General and administrative (1)
12,337

 
12,482

 
14,404

 
17,270

 
19,568

 
25,608

 
34,185

 
33,369

Total operating expenses
63,479

 
68,589

 
78,167

 
127,796

 
97,146

 
114,343

 
142,862

 
149,108

Loss from operations
(26,178
)
 
(23,367
)
 
(26,909
)
 
(67,397
)
 
(26,328
)
 
(33,686
)
 
(50,754
)
 
(43,440
)
Other income (expense), net
547

 
890

 
843

 
2,301

 
1,802

 
2,085

 
3,376

 
8,883

Loss before income taxes
(25,631
)
 
(22,477
)
 
(26,066
)
 
(65,096
)
 
(24,526
)
 
(31,601
)
 
(47,378
)
 
(34,557
)
Provision for (benefit from) income taxes
194

 
(114
)
 
161

 
552

 
350

 
85

 
318

 
87

Net loss
(25,825
)
 
(22,363
)
 
(26,227
)
 
(65,648
)
 
(24,876
)
 
(31,686
)
 
(47,696
)
 
(34,644
)
Net income (loss) attributable to noncontrolling interest (2)
(1
)
 
47

 
31

 
(55
)
 
6

 
174

 
(24
)
 
1,625

Net loss attributable to Slack
(25,824
)
 
(22,410
)
 
(26,258
)
 
(65,593
)
 
(24,882
)
 
(31,860
)
 
(47,672
)
 
(36,269
)
Less: Deemed dividends to preferred stockholders

 

 

 
40,883

 

 

 

 

Net loss attributable to Slack common stockholders
$
(25,824
)
 
$
(22,410
)
 
$
(26,258
)
 
$
(106,476
)
 
$
(24,882
)
 
$
(31,860
)
 
$
(47,672
)
 
$
(36,269
)

81



__________________
(1)
Includes stock-based compensation as follows:
 
Three Months Ended
 
April 30,
2017
 
July 31,
2017
 
October 31,
2017
 
January 31,
2018
 
April 30,
2018
 
July 31,
2018
 
October 31,
2018
 
January 31,
2019
 
(In thousands)
Cost of revenue
$
71

 
$
59

 
$
56

 
$
305

 
$
603

 
$
58

 
$
40

 
$
31

Research and development
1,126

 
1,494

 
1,108

 
31,532

 
3,395

 
944

 
3,532

 
2,077

Sales and marketing
479

 
416

 
312

 
6,837

 
1,204

 
248

 
227

 
998

General and administrative
814

 
659

 
486

 
2,329

 
916

 
388

 
6,716

 
1,755

Total stock-based compensation
$
2,490

 
$
2,628

 
$
1,962

 
$
41,003

 
$
6,118

 
$
1,638

 
$
10,515

 
$
4,861

In the fourth quarter of fiscal year 2018, we recorded compensation expense of $39.1 million attributable to a tender offer that increased all operating expense line items and cost of revenue for the quarter. In the first, second and fourth quarters of fiscal year 2019, we recorded an additional compensation expense of $4.4 million, $7.9 million, and $2.5 million, respectively, related to secondary sales of Class B common stock by certain of our current and former employees.
(2)
Our consolidated financial statements include our majority-owned subsidiary, Slack Fund. The ownership interest of minority investors in Slack Fund is recorded as a noncontrolling interest.
 
Three Months Ended
 
April 30,
2017
 
July 31,
2017
 
October 31,
2017
 
January 31,
2018
 
April 30,
2018
 
July 31,
2018
 
October 31,
2018
 
January 31,
2019
 
(as a % of revenue)
Revenue
100
 %
 
100
 %
 
100
 %
 
100
 %
 
100
 %
 
100
 %
 
100
 %
 
100
 %
Cost of revenue
13

 
12

 
12

 
12

 
12

 
12

 
13

 
13

Gross profit
87

 
88

 
88

 
88

 
88

 
88

 
87

 
87

Operating expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Research and development
57

 
52

 
49

 
90

 
44

 
39

 
39

 
38

Sales and marketing
62

 
57

 
60

 
71

 
52

 
58

 
64

 
57

General and administrative
29

 
25

 
25

 
25

 
24

 
28

 
32

 
28

Total operating expenses
148

 
134

 
134

 
186

 
120

 
125

 
135

 
123

Loss from operations
(61
)
 
(46
)
 
(46
)
 
(98
)
 
(32
)
 
(37
)
 
(48
)
 
(36
)
Other income (expense), net
1

 
2

 
1

 
3

 
2

 
3

 
3

 
8

Loss before income taxes
(60
)
 
(44
)
 
(45
)
 
(95
)
 
(30
)
 
(34
)
 
(45
)
 
(28
)
Provision for/(benefit from) income taxes

 

 

 
1

 
1

 

 

 

Net loss
(60
)
 
(44
)
 
(45
)
 
(96
)
 
(31
)
 
(34
)
 
(45
)
 
(28
)
Net income (loss) attributable to noncontrolling interest

 

 

 

 

 
1

 

 
2

Net loss attributable to Slack
(60
)
 
(44
)
 
(45
)
 
(96
)
 
(31
)
 
(35
)
 
(45
)
 
(30
)
Less: Deemed dividends to preferred stockholders

 

 

 
60

 

 

 

 

Net loss attributable to Slack common stockholders
(60
)%
 
(44
)%
 
(45
)%
 
(156
)%
 
(31
)%
 
(35
)%
 
(45
)%
 
(30
)%

82



Quarterly Trends
Revenue and Cost of Revenue
Our revenue increased sequentially for all periods presented primarily due to higher sales of subscriptions to both our existing and new Paid Customers.
Total cost of revenue increased sequentially for all periods presented, consistent with our revenue growth, in order to support our overall growth.
Operating Expenses
Total operating expenses increased sequentially for all periods presented, excluding stock-based compensation of $39.1 million attributable to tender offers and repurchases for our outstanding common stock in the fourth quarter of fiscal year 2018, primarily due to increases in employee headcount and the expansion of our business. In the fourth quarter of fiscal year 2018, we recorded a one-time compensation charge for a total amount of $39.1 million due to a tender offer in which we repurchased shares of our Class B common stock and convertible preferred stock from certain of our stockholders. The expense associated with the tender offer increased cost of revenue by $0.3 million, research and development expense by $30.4 million, sales and marketing expense by $6.5 million, and general and administrative expense by $1.9 million, in the fourth quarter of fiscal year 2018. In the third quarter of fiscal year 2019, we incurred additional sales and marketing expenses primarily due to increased advertising efforts as well as incurring expenses in connection with holding our annual user conference, Frontiers.
Key Business Metrics
 
As of
 
April 30,
2017
 
July 31,
2017
 
October 31,
2017
 
January 31,
2018
 
April 30,
2018
 
July 31,
2018
 
October 31,
2018
 
January 31,
2019
Paid Customers (period end)
42,000

 
47,000

 
52,000

 
59,000

 
67,000

 
73,000

 
81,000

 
88,000

Paid Customers >$100,000 (period end)
164

 
209

 
254

 
298

 
351

 
412

 
491

 
575

Net Dollar Retention Rate
156
%
 
153
%
 
151
%
 
152
%
 
149
%
 
146
%
 
144
%
 
143
%
Quarterly Key Metrics Trends
Our Paid Customers, including Paid Customers >$100,000, increased sequentially for all quarters in fiscal year 2018 and 2019, primarily due to organic growth of new organizations on Slack as a result of strong performance within our self-service acquisition model, as well as increased expansion of users within our existing Paid Customer base.
Our Net Dollar Retention Rate has declined across most of the eight quarters as our base of revenue has grown and our penetration within existing, long-term Paid Customers has increased. We expect our Net Dollar Retention Rate will fluctuate in future periods due to a number of factors, including the growing level of our revenue base, the level of penetration within our Paid Customer base, expansion of products and features, and our ability to retain our Paid Customers.

83



Non-GAAP Financial Measures
 
Three Months Ended
 
April 30,
2017
 
July 31,
2017
 
October 31,
2017
 
January 31,
2018
 
April 30,
2018
 
July 31,
2018
 
October 31,
2018
 
January 31,
2019
 
(In thousands)
Calculated Billings
$
59,696

 
$
66,602

 
$
74,484

 
$
88,231

 
$
102,080

 
$
114,767

 
$
126,457

 
$
173,668

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Free Cash Flow
$
(10,977
)
 
$
5,237

 
$
(1,388
)
 
$
(50,533
)
 
$
(14,969
)
 
$
(7,722
)
 
$
(43,467
)
 
$
(31,081
)
Tender offer payments and repurchases deemed compensation (1)
51

 
251

 

 
39,072

 

 

 

 

Adjusted Free Cash Flow
$
(10,926
)
 
$
5,488

 
$
(1,388
)
 
$
(11,461
)
 
$
(14,969
)
 
$
(7,722
)
 
$
(43,467
)
 
$
(31,081
)
__________________
(1)
In fiscal year 2018, we made cash payments of $39.4 million, attributable to tender offers and repurchases for our outstanding common stock, which was accounted for as compensation. Adjusted Free Cash Flow has been shown here as adjusted for these cash payments. We have adjusted our Free Cash Flow for these payments because we do not expect them to occur when we are a public company so we believe that this provides greater comparability across periods.
Calculated Billings
We define Calculated Billings as revenue plus the change in total deferred revenue during the period.
 
Three Months Ended
 
April 30,
2017
 
July 31,
2017
 
October 31,
2017
 
January 31,
2018
 
April 30,
2018
 
July 31,
2018
 
October 31,
2018
 
January 31,
2019
 
(In thousands)
Revenue
$
42,719

 
$
51,320

 
$
58,046

 
$
68,459

 
$
80,919

 
$
92,018

 
$
105,648

 
$
121,967

Add: Deferred revenue, end of period
73,961

 
89,243

 
105,681

 
125,453

 
146,614

 
169,363

 
190,172

 
241,873

Less: Deferred revenue, beginning of period
(56,984
)
 
(73,961
)
 
(89,243
)
 
(105,681
)
 
(125,453
)
 
(146,614
)
 
(169,363
)
 
(190,172
)
Calculated Billings
$
59,696

 
$
66,602

 
$
74,484

 
$
88,231

 
$
102,080

 
$
114,767

 
$
126,457

 
$
173,668

Our Calculated Billings increased sequentially for all periods presented primarily due to higher sales of subscriptions to both our existing and new Paid Customers. The significant increase in the fourth quarter of fiscal year 2019 was due to the impact of seasonality on our business, following typical enterprise software buying patterns, and a particularly strong fourth quarter in billings. We expect Calculated Billings to decline or grow less quickly in the first quarter of fiscal year 2020 due to the impact of seasonality on our business.


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Free Cash Flow and Adjusted Free Cash Flow
We define Free Cash Flow as net cash provided by (used in) operating activities less cash used for purchases of property and equipment and Adjusted Free Cash Flow as Free Cash Flow plus tender offer payments and repurchases deemed compensation.
 
Three Months Ended
 
April 30,
2017
 
July 31,
2017
 
October 31,
2017
 
January 31,
2018
 
April 30,
2018
 
July 31,
2018
 
October 31,
2018
 
January 31,
2019
 
(In thousands)
Net cash provided by (used in) operating activities
$
(2,848
)
 
$
7,048

 
$
2,499

 
$
(42,316
)
 
$
3,433

 
$
1,488

 
$
(28,375
)
 
$
(17,605
)
Purchases of property and equipment
(8,129
)
 
(1,811
)
 
(3,887
)
 
(8,217
)
 
(18,402
)
 
(9,210
)
 
(15,092
)
 
(13,476
)
Free Cash Flow
(10,977
)
 
5,237

 
(1,388
)
 
(50,533
)
 
(14,969
)
 
(7,722
)
 
(43,467
)
 
(31,081
)
Tender offer payments and repurchases deemed compensation (1)
51

 
251

 

 
39,072

 

 

 

 

Adjusted Free Cash Flow
$
(10,926
)
 
$
5,488

 
$
(1,388
)
 
$
(11,461
)
 
$
(14,969
)
 
$
(7,722
)
 
$
(43,467
)
 
$
(31,081
)
Net cash provided by (used in) investing activities
$
5,950

 
$
(11,629
)
 
$
(89,192
)
 
$
(145,565
)
 
$
(38,608
)
 
$
(7,141
)
 
$
(289,939
)
 
$
2,267

Net cash provided by financing activities
$
681

 
$
1,013

 
$
249,428

 
$
45,913

 
$
758

 
$
7,173

 
$
427,623

 
$
2,123

__________________
(1)
In fiscal year 2018, we made cash payments of $39.4 million, attributable to tender offers and repurchases for our outstanding common stock, which was accounted for as compensation. Adjusted Free Cash Flow has been shown here as adjusted for these cash payments. We have adjusted our Free Cash Flow for these payments because we do not expect them to occur when we are a public company so we believe that this provides greater comparability across periods.
Liquidity and Capital Resources
As of January 31, 2019, our principal sources of liquidity were cash, cash equivalents, and restricted cash of $201.3 million and marketable securities of $660.3 million . Cash and cash equivalents are comprised of bank deposits and money market funds. Restricted cash consists of cash deposited with financial institutions as collateral for our obligations under the facility leases in San Francisco, California and Denver, Colorado. As of January 31, 2019, restricted cash was $20.5 million . Marketable securities are comprised of commercial paper, U.S. agency securities, U.S. government securities, international government securities, and corporate bonds. Substantially all cash and cash equivalents are held in the United States. Since our inception, we have financed our operations primarily through proceeds from the issuance of our convertible preferred stock and common stock and cash generated from the sale of our subscriptions.
We have generated significant losses from operations and negative cash flows from operating activities in the past as reflected in our accumulated deficit of $665.6 million as of January 31, 2019 We expect to continue to incur operating losses for the foreseeable future due to the investments that we intend to make in our business and, as a result, we may require additional capital resources to grow our business.
We believe that current cash, cash equivalents, and marketable securities will be sufficient to fund our operations for at least the next 12 months. Our future capital requirements, however, will depend on many factors, including our subscription growth rate, our Net Dollar Retention Rate, the timing and extent of spending to support our research and development efforts, the expansion of sales and marketing activities, the introduction of new and enhanced products and features, particularly for large organizations and for networks between organizations and the continuing market adoption of Slack. We may in the future enter into arrangements to acquire or invest in complementary businesses, services, and technologies, including intellectual property rights. In the event that additional financing is required from outside sources, we may seek to raise additional funds at any time through equity, equity-linked arrangements, and debt. If we are unable to raise additional capital when desired and at reasonable rates, our business, results of operations,

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and financial condition would be adversely affected. See the section titled “Risk Factors—Risks Related to Our Business—Our failure to raise additional capital or generate cash flows necessary to expand our operations and invest in new technologies in the future could reduce our ability to compete successfully and harm our results of operations.”
Cash Flows
The following table summarizes our cash flows for the periods indicated:
 
Year Ended January 31,
 
2017
 
2018
 
2019
 
(In thousands)
Net cash used in operating activities
$
(89,806
)
 
$
(35,617
)
 
$
(41,059
)
Net cash used in investing activities
(41,771
)
 
(240,436
)
 
(333,421
)
Net cash provided by financing activities
214,096

 
297,035

 
437,677

Net increase in cash, cash equivalents and restricted cash
$
82,519

 
$
20,982

 
$
63,197

Cash Used in Operating Activities
Our largest source of operating cash is cash collections from organizations on a paid subscription plan. Our primary uses of cash from operating activities are for employee-related expenditures, sales and marketing expenses, and third-party hosting costs. Historically, we have generated negative cash flows from operating activities and have supplemented working capital requirements through net proceeds from the private sale of equity securities.
During the year ended January 31, 2019, operating activities used $41.1 million in cash. The primary factors affecting our operating cash flows during this period were our net loss of $138.9 million , impacted by $39.2 million non-cash charges and $58.6 million of cash provided from changes in our operating assets and liabilities. The non-cash charges primarily consisted of $23.1 million in stock-based compensation, $16.8 million of depreciation and amortization, $3.2 million of amortization of deferred contract acquisition costs, and a $2.3 million loss on disposal of property and equipment, partially offset by a $3.7 million gain as a result of the change in fair value of our strategic investments and $3.1 million of net amortization of bond discount on debt securities available for sale. The cash provided from changes in our operating assets and liabilities was primarily due to a $116.4 million increase in deferred revenue due to increased billings, and a $45.6 million increase in accounts payable, accrued expenses, and other liabilities as a result of our increased spending and headcount associated with the growth of our business. These amounts were partially offset by a $53.1 million increase in prepaid expenses and other assets mainly due to a $22.8 million increase in prepaid hosting services and a $12.7 million increase in deferred commissions, and a $50.3 million increase in accounts receivable, reflecting increased billings.
During the year ended January 31, 2018, operating activities used $35.6 million in cash. The primary factors affecting our operating cash flows during this period were our net loss of $140.1 million, impacted by non-cash charges of $25.3 million, primarily consisting of $14.3 million of depreciation and amortization, $8.7 million in stock-based compensation, and $1.4 million of net amortization of bond premium on debt securities available for sale, and $79.1 million of cash provided from changes in our operating assets and liabilities. The cash provided from changes in our operating assets and liabilities was primarily due to a $68.5 million increase in deferred revenue due to increased billings, a $26.2 million increase in accounts payable, accrued expenses, and other liabilities as a result of our increased spending and headcount associated with the growth of our business, and a $6.4 million decrease in prepaid expenses and other assets. These amounts were partially offset by an increase in accounts receivable of $22.0 million reflecting increased billings.
During the year ended January 31, 2017, operating activities used $89.8 million in cash. The primary factors affecting our operating cash flows during this period were our net loss of $146.9 million, impacted by non-cash charges of $51.3 million, primarily consisting of $42.1 million in stock-based compensation, $6.8 million of depreciation and amortization, and $2.2 million of net amortization of bond premium on debt securities available for sale, and $5.8 million of cash provided from changes in our operating assets and liabilities. The cash provided by changes in our operating assets and liabilities was primarily the result of a $38.2 million increase in deferred revenue due to increased billings,

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a $12.6 million increase in accrued expenses, and other liabilities due to increased expenditures and headcount associated with the growth of our business. These increases were partially offset by a $31.6 million increase in prepaid expenses and other assets of which $20.0 million was for our hosting service contract, a $12.0 million increase in accounts receivable reflecting increased billings, and a $1.4 million decrease in accounts payable.
Cash Used in Investing Activities
Net cash used in investing activities during the year ended January 31, 2019 was $333.4 million , which was primarily used to purchase marketable securities of $967.1 million , property and equipment of $56.2 million , business and intangible assets of $47.7 million, and strategic investments of $2.3 million , partially offset by sales and maturities of marketable securities of $738.9 million.
Net cash used in investing activities during the year ended January 31, 2018 was $240.4 million, which was primarily used to purchase marketable securities of $510.8 million, property and equipment of $22.0 million and strategic investments of $2.9 million, partially offset by sales and maturities of marketable securities of $295.2 million.
Net cash used in investing activities during the year ended January 31, 2017 was $41.8 million, which was primarily used to purchase marketable securities of $346.4 million, property and equipment of $24.2 million, and strategic investments of $4.5 million, partially offset by sales and maturities of marketable securities of $333.9 million.
Cash Provided by Financing Activities
Net cash provided by financing activities for the year ended January 31, 2019 was $437.7 million , reflecting proceeds from issuance of convertible preferred stock of $426.9 million , proceeds from issuance of common stock to a third party of $6.1 million , and the exercise of stock options to purchase common stock of $4.8 million .
Net cash provided by financing activities for the year ended January 31, 2018 was $297.0 million, reflecting proceeds from issuance of convertible preferred stock of $412.4 million and the exercise of stock options to purchase common stock of $2.9 million, partially offset by repurchases of convertible preferred stock of $77.7 million and common stock of $40.5 million.
Net cash provided by financing activities for the year ended January 31, 2017 was $214.1 million, reflecting proceeds from the issuance of convertible preferred stock of $207.9 million, the exercise of stock options to purchase common stock of $4.7 million, and capital contributions made by noncontrolling interest members of Slack Fund of $5.8 million, partially offset by repurchases of common stock of $4.3 million.
Contractual Obligations and Commitments
Our principal contractual commitments primarily consist of obligations under leases for office space and datacenter operations.
The following table summarizes our consolidated principal contractual cash obligations, as of January 31, 2019, and is supplemented by the discussion following the table:
 
Payments Due by Period
 
Total
 
Less than
1 year
 
1-3 years
 
3-5 years
 
More than
5 years
 
( In thousands )
Operating lease obligations (1)
$
238,187

 
$
27,359

 
$
50,952

 
$
48,327

 
$
111,549

Hosting commitments (2)
212,500

 
50,000

 
100,000

 
62,500

 

Other commitments (3)
47,944

 
17,801

 
15,989

 
3,576

 
10,578

Total
$
498,631

 
$
95,160

 
$
166,941

 
$
114,403

 
$
122,127

__________________
(1)
Consists of future non-cancelable minimum rental payments under operating leases for our offices.

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(2)
In April 2018, we executed an amendment to our existing agreement with Amazon Web Services. The amended agreement was effective as of May 1, 2018 and continues through July 31, 2023. We have minimum annual commitments of $50.0 million each year of the agreement term for a total minimum commitment of $250.0 million.
(3)
Consists of future minimum payments under non-cancelable purchase commitments primarily related to IT operations, sales and marketing activities, and acquisition related obligations.
In addition to the contractual obligations set forth above, as of January 31, 2019, we had $20.5 million in standby letters of credit outstanding related to our office facilities in San Francisco, California and Denver, Colorado.
In March 2019, we entered into a non-cancelable operating lease agreement for an office facility in San Francisco, California. The lease term is from March 2019 to June 2030, with future minimum lease payments of $170.3 million . In conjunction with the agreement and to secure the lease, we entered into an $18.0 million irrevocable standby letter of credit.
Off-Balance Sheet Arrangements
As of January 31, 2019, we did not have any relationships with unconsolidated entities or financial partnerships, such as structured finance or special purpose entities that were established for the purpose of facilitating off-balance sheet arrangements or other purposes.
Significant Impacts of Stock-Based Compensation
Restricted Stock Units (RSUs)
We have granted RSUs to our employees and directors under our 2009 Plan. RSUs outstanding as of January 31, 2019 have both service-based and performance vesting conditions. The service-based vesting period for these awards is typically four years with a cliff vesting period of one year and continued vesting quarterly thereafter. Upon satisfaction of the performance vesting condition, RSUs for which the service-based condition has also been satisfied will vest immediately, and any remaining unvested RSUs will vest quarterly over the remaining service period. The performance vesting condition is satisfied on the earlier of (i) a change in control of the company, (ii) the initial public offering of our securities, or (iii) the listing and public trading of our Class A common stock on the NYSE .
As of January 31, 2019, all compensation expense related to RSUs remained unrecognized because the performance vesting condition was not satisfied. At the time the performance vesting condition becomes probable, which is not until such condition is satisfied, we will recognize the cumulative stock-based compensation expense for the outstanding RSUs using the accelerated attribution method. As of January 31, 2019, 63.1 million RSUs were outstanding, of which 22.4 million had met their service-based condition. If the performance vesting condition had occurred on January 31, 2019, we would have recorded $157.5 million of stock-based compensation, and we would recognize unamortized stock-based compensation of $151.4 million over a weighted-average remaining requisite service period of 2.9 years . The recognition of stock-based compensation would affect our cost of revenue and our research and development, sales and marketing, and general and administrative operating expense line items.
Indemnification Agreements
In the ordinary course of business, we enter into contractual arrangements under which we agree to provide indemnification of varying scope and terms to organizations on Slack, business partners, and other parties with respect to certain matters, including losses arising out of intellectual property infringement claims made by third parties, violation of applicable laws, and negligence or acts of willful misconduct, among others, with respect to Slack. In these circumstances, payment is typically conditional on the other party making a claim pursuant to the procedures specified in the particular contract.
In addition, we have entered into indemnification agreements with our directors, executive officers, and certain board observers that require us, among other things, to indemnify them against certain liabilities that may arise by reason of their status or service as directors or as board observers until the effectiveness of the registration statement of which this prospectus forms a part.

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Quantitative and Qualitative Disclosures about Market Risk
We are exposed to certain market risks in the ordinary course of our business. These risks primarily include:
Interest Rate Risk
We had cash and cash equivalents of $180.8 million and marketable securities of $660.3 million as of January 31, 2019, which consisted of bank deposits, money market accounts, commercial paper, U.S. agency securities, U.S. government securities, international government securities, and corporate bonds. The cash and cash equivalents are held primarily for working capital purposes. Such interest-earning instruments carry a degree of interest rate risk. To date, fluctuations in interest income have not been significant. The primary objective of our investment activities is to preserve principal while maximizing income without significantly increasing risk. We do not enter into investments for trading or speculative purposes and have not used any derivative financial instruments to manage our interest rate risk exposure. Due to the short-term nature of our investments, we have not been exposed to, nor do we anticipate being exposed to, material risks due to changes in interest rates. A hypothetical 10% change in interest rates during any of the periods presented would not have had a material impact on our consolidated financial statements.
Currency Exchange Risk
The functional currency of our foreign subsidiaries is generally the U.S. dollar. Monetary assets and liabilities are remeasured using foreign currency exchange rates at the end of the period, and non-monetary assets are remeasured based on historical exchange rates. Gains and losses due to foreign currency are the result of either the remeasurement of subsidiary balances or transactions denominated in currencies other than the foreign subsidiaries’ functional currency and are included in other income (expense), net in our statements of operations.
We have foreign currency exchange risks related to our revenue and operating expenses denominated in currencies other than the U.S. dollar, principally the Euro. The volatility of exchange rates depends on many factors that we cannot forecast with reliable accuracy. We have experienced and will continue to experience fluctuations in foreign exchange gains (losses) related to changes in foreign currency exchange rates. In the event our foreign currency denominated assets, liabilities, sales, or expenses increase, our results of operations may be more greatly affected by fluctuations in the exchange rates of the currencies in which we do business.
We do not currently engage in any hedging activity to reduce our potential exposure to currency fluctuations, although we may choose to do so in the future. A hypothetical 10% change in foreign currency exchange rates during any of the periods presented would not have had a material impact on our consolidated financial statements.
Inflation Risk
We do not believe that inflation has had a material effect on our business, results of operations, or financial condition.
Critical Accounting Policies and Estimates
Our consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States. The preparation of these consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue, costs, and expenses, and related disclosures. On an ongoing basis, we evaluate our estimates and assumptions. Our actual results may differ from these estimates under different assumptions or conditions.
We believe that of our significant accounting policies, which are described in Note 1 to our consolidated financial statements, the following accounting policies involve a greater degree of judgment and complexity. Accordingly, these are the policies we believe are the most critical to aid in fully understanding and evaluating our consolidated financial condition and results of operations.
Under the JOBS Act, an “emerging growth company” can take advantage of an extended transition period for complying with new or revised accounting standards. This provision allows an “emerging growth company” to delay the adoption of new or revised accounting standards that have different transition dates for public and private companies until those standards would otherwise apply to private companies. We meet the definition of an “emerging growth

89



company” and have elected to use this extended transition period. As a result of this election, our timeline to comply with these standards will in many cases be delayed as compared to other public companies that are not eligible to take advantage of this election or have not made this election. Therefore, our financial statements may not be comparable to those of companies that comply with the public company effective dates for these standards.
Revenue Recognition
We elected to adopt Accounting Standards Codification, or ASC Topic 606, Revenue from Contracts with Customers, or ASC 606, effective as of February 1, 2017, utilizing the full retrospective method of adoption. Accordingly, the consolidated financial statements for the fiscal years ended January 31, 2017, 2018, and 2019 are presented under ASC 606. We recognize revenue from contracts with organizations on a paid subscription plan using the five-step method described in Note 1 in our consolidated financial statements. We derive revenue from monthly, annual, and multi-year subscription fees earned from organizations on a paid subscription plan accessing Slack.
In our contracts, we typically have one performance obligation of providing access to Slack . On occasion, we also provide professional services to organizations on Slack, which are separate performance obligations. Professional services revenue has not been material to date. Contracts that contain multiple performance obligations require an allocation of the transaction price to each performance obligation based on their relative standalone selling price. We determine standalone selling price, or SSP, for all of our performance obligations using observable inputs, such as standalone sales and historical contract pricing. SSP also reflects the amount we would charge for that performance obligation if it were sold separately in a standalone sale, and the price we would sell to similar organizations on Slack in similar circumstances.
In general, we satisfy our performance obligations over time as we provide the promised services to organizations on a paid subscription plan. We maintain a fair billing policy, under which certain organizations on a paid subscription plan are entitled to credit if they have not used the entirety of the contracted number of users for which they have paid during the contractual term of the arrangement. These credits, accounted for as a part of deferred revenue, may be carried over to offset future billings and are not refundable for cash. A majority of our contracts give a right to bill for additional usage, and this is deemed variable consideration. The variable consideration is allocated to the distinct day the services are completed, as services provided to the additional users are specific to the period that the usage occurs. To the extent that we believe it is probable that a significant reversal would not occur, an estimate is made for the revenue associated with incremental usage during a period. The incremental revenue recognized associated with these estimates has not been material through fiscal year 2019.
Business Combinations and Valuation of Goodwill and Other Acquired Intangible Assets
Upon acquiring a business, we estimate the fair value of assets acquired and liabilities assumed. Goodwill as of the acquisition date is measured as the excess of consideration transferred over the net of the acquisition date fair values of the assets acquired and the liabilities assumed.
The estimation of fair value requires significant judgment and the use of assumptions by management. Key assumptions made in making these estimates include, but are not limited to, estimating future cash flows, selecting discount rates, and selecting valuation methodologies. While we believe the assumptions and estimates we have made in the past have been appropriate, they are inherently uncertain and subject to refinement. During the measurement period, which may be up to one year from the acquisition date, we record adjustments to the assets acquired and liabilities assumed with the corresponding offset to goodwill. On the conclusion of the measurement period or final determination of the values of assets acquired or liabilities assumed, whichever comes first, any subsequent adjustments are recorded in our consolidated statements of operations.
Stock-Based Compensation
We measure compensation expense for all stock-based payment awards, including stock options, RSUs, and RSAs, granted to employees, directors, and other service providers, based on the estimated fair value of the awards on the date of grant. The fair value of each stock option granted is estimated using the Black-Scholes option pricing model. Stock-based compensation is recognized on a straight-line basis, net of forfeitures, over the requisite service period.

90



We grant RSUs to our employees and directors with both service-based and performance vesting conditions. The service-based vesting period for these awards is typically four years with a cliff vesting period of one year and continued vesting quarterly thereafter. The performance vesting condition is satisfied on the earlier of (i) a change in control of the company, (ii) the initial public offering of our securities, or (iii) the listing and public trading of our Class A common stock on the NYSE . As of January 31, 2019, achievement of the performance condition was not probable and therefore, all compensation expense related to RSUs remained unrecognized. A change in control event, the initial public offering of our securities, and effective registration statement for the listing and public trading of our Class A common stock on the NYSE are not deemed probable until consummated. If the listing and public trading of our Class A common stock on the NYSE had occurred on January 31, 2019, we would have recognized $157.5 million of stock-based compensation for all RSUs that had fully satisfied the service-based vesting condition on that date, and would have $151.4 million of unrecognized compensation cost that represents the grants that have not met the service condition as of January 31, 2019.
Common Stock Valuations
The fair value of the common stock underlying our stock-based payment awards is determined by our board of directors, with input from management and reviews of third-party valuations which are performed at least quarterly to determine the fair value of RSUs and RSAs and perform the fair value calculations with the Black-Scholes option-pricing model. We believe that our board of directors has the relevant experience and expertise to determine the fair value of our common stock. If stock-based payment awards were granted a short period of time prior to the date of a valuation report, we retrospectively assessed the fair value used for financial reporting purposes after considering the fair value reflected in the subsequent valuation report and other facts and circumstances on the date of grant as discussed below. Prior to the listing of our Class A common stock on the NYSE, given the absence of a public trading market for our common stock, the valuations of common stock were determined in accordance with the guidance provided by the American Institute of Certified Public Accountants Practice Aid, Valuation of Privately-Held-Company Equity Securities Issued as Compensation , and our board of directors exercised reasonable judgment and considered numerous and subjective factors to determine the best estimate of fair value of our common stock, including the following factors:
the results of contemporaneous valuations performed at periodic intervals by an independent valuation firm;
the prices, rights, preferences, and privileges of our convertible preferred stock relative to those of our common stock;
the prices of our convertible preferred stock and common stock sold to investors in arms-length transactions or offered to investors through a tender offer;
our actual operating and financial performance and estimated trends and prospects for our future performance;
our stage of development;
the likelihood of achieving a liquidity event, such as an initial public offering, direct listing, or sale of our company, given prevailing market conditions;
the lack of marketability involving securities in a private company;
the market performance of comparable publicly traded companies; and
U.S. and global capital market conditions.
In valuing our common stock, our board of directors determined the equity value of our business generally using a weighting of the income and market approach valuation methods. The income approach estimates value based on the expectation of future cash flows that a company will generate. These future cash flows are discounted to their present values using a discount rate based on our weighted-average cost of capital and are adjusted to reflect the risks inherent in our cash flows. The market approach estimates value based on a comparison of the subject company to comparable public companies in a similar line of business. From the comparable companies, a representative market value multiple is determined and then applied to the subject company’s financial forecasts to estimate the value of the subject company.

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For valuations prior to January 31, 2018, the equity valuation was based on both the income and the market approach valuation methods. The Option Pricing Method, or OPM, was selected as the principal equity allocation method. When we had completed or were expecting to complete a preferred equity financing, the terms and pricing of the financing round were included in the analysis used to estimate our value and the value of our common stock. These methods were consistent with prior valuations.
For valuations as of and subsequent to January 31, 2018, where the company did not have a recent or expected arm’s length preferred equity financing, we have used a hybrid method utilizing a combination of the OPM and the probability-weighted expected return method, or PWERM, in estimating the value of our common stock. Using the PWERM, the value of our common stock is estimated based upon a probability-weighted analysis of varying values for our common stock assuming possible future events for our company, including a scenario of an IPO or a direct listing of our Class A common stock on an exchange and a scenario assuming continued operation as a private entity. When the company had a recent or expected arm’s length preferred equity financing, the results from the PWERM analysis were not inconsistent with the overall weighted value considering the terms and pricing of the preferred round of financing.
Application of these approaches involves the use of estimates, judgment, and assumptions that are highly complex and subjective, such as those regarding our expected future revenue, expenses, and future cash flows, discount rates, market multiples, the selection of comparable companies, and the probability of possible future events. Changes in any or all of these estimates and assumptions or the relationships between those assumptions impact our valuations as of each valuation date and may have a material impact on the valuation of our common stock.
Our board of directors’ assessments of the fair value of our common stock for grant dates between the dates of an available third-party valuation report were based in part on the current available financial and operational information and the common stock value provided in the most recent available third-party valuation report as compared to the timing of each grant. For financial reporting purposes, we generally used a straight-line interpolation between the two dates of the valuation included in third-party valuation reports. This determination included an evaluation of whether the subsequent valuation report indicated that any significant change in valuation had occurred between the previous valuation and the grant date.
For valuations after the completion of the listing of our Class A common stock on the NYSE, our board of directors will determine the fair value of each share of underlying Class A common stock based on the closing price of our Class A common stock as reported on the date of grant.
Recent Accounting Pronouncements
See the section titled “Summary of Business and Significant Accounting Policies” in Note 1 of the notes to our consolidated financial statements included elsewhere in this prospectus for more information.

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BUSINESS
Introduction – What is Slack?
Slack is where work happens.
Around the world, over 600,000 organizations in over 150 countries have turned to Slack as the place to communicate, collaborate, and get work done. Over 10 million people inside those organizations – accountants, customer support reps, engineers, lawyers, journalists, dentists, chefs, detectives, executives, scientists, farmers, hoteliers, salespeople, and many others – collectively spend more than 50 million hours in active use of Slack in a typical week, on either a free or paid subscription plan. They do so because Slack is a new layer of the business technology stack that brings together people, applications, and data – a single place where people can effectively work together, access hundreds of thousands of critical applications and services, and find important information to do their best work.
History
We created Slack initially as an internal tool to help our own team stay on the same page, to be able to easily access conversations, decisions, data, and content that had been shared, and to tap into a variety of software applications from one place. We were frustrated with email. It created fragmented silos of inaccessible information, hidden in individual inboxes. When new members joined the team, they were cut off from the rich history of communication that occurred before they arrived. Transparency was difficult to achieve and routine communication had to be supplemented with status reports and stand-up meetings in order to keep the team coordinated.
In addition, despite the fact that email was the universal default routing mechanism for enterprise software, it was also an ineffective medium for sharing and managing the information and activity generated by that software. The notifications and simple workflows, such as approval processes, generated by customer support ticketing tools, human resources management systems, and expense trackers, disappeared into individual inboxes. Email is static and offers no direct integration with any of these tools. In short, email was a tiny window into the vast landscape of business information and software available to us collectively, and we needed to see the whole picture.
We needed a new way to work that would help us make the most of both our people and our significant investment in software. What was available was incomplete, inadequate, and unfit for our work at hand. What we needed did not exist. So we built it.
Since our public launch in 2014, it has become apparent that organizations worldwide have similar needs, and are now finding the solution with Slack. Our growth is largely due to word-of-mouth recommendations. Slack usage inside organizations of all kinds is typically initially driven bottoms-up, by end users. Despite this, we (and the rest of the world) still have a hard time explaining Slack. It’s been called an operating system for teams, a hub for collaboration, a connective tissue across the organization, and much else. Fundamentally, it is a new layer of the business technology stack in a category that is still being defined.
Slack’s Role
The most helpful explanation of Slack is often that it replaces the use of email inside the organization. Like email (or the Internet or electricity), Slack has very general and broad applicability. It is not aimed at any one specific purpose, but nearly anything that people do together at work. Slack is used to review job candidates, coordinate election coverage, diagnose network problems, negotiate budgets, plan marketing campaigns, approve menus, and organize disaster response teams, along with countless other tasks.
Unlike email, however, most of this activity happens in team-based channels, rather than in individual inboxes. Channels offer a persistent record of the conversations, data, documents, and application workflows relevant to a project or a topic. Membership of a channel can change over time as people join or leave a project or organization, and users benefit from the accumulated historical information in a way an employee never could when starting with an empty email inbox. Depending on the size of the organization, this might provide tens, hundreds or even thousands of times more access to information than is available to individuals working in environments where email is the primary means of communication.

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Also unlike email, Slack was designed from the ground up to integrate with external software systems. Slack provides an easy way for users to share and aggregate information from other software, take action on notifications, and advance workflows in a multitude of third-party applications, over 1,500 of which are listed in the Slack App Directory. Further, Slack’s platform capabilities extend beyond integrations with third-party applications and allow for easy integrations with an organization’s internally-developed software. During the three months ended January 31, 2019, our more than 10 million daily active users included more than 500,000 registered developers. Developers have collectively created more than 450,000 third-party applications or custom integrations that were used in a typical week during the three months ended January 31, 2019. Additionally, we are currently developing low-code solutions to create integrations and workflows entirely in Slack, suitable for all users and based on a simple, non-technical user interface .
Ultimately, Slack is more than email replacement. It is a new layer of technology that brings together people, applications, and data. Just as an operating system coordinates the flow of information and resources of a computer in a centralized fashion, using Slack inside an organization creates a hub into which critical business information flows, is acted upon and transformed, and is then quickly routed to its desired destination. Slack streamlines our users’ workflows, increases the beneficial return on the time they spend communicating, and creates a powerful point of leverage for increased productivity.
Business Context
We believe Slack is positioned extremely well to benefit from several powerful secular trends that are transforming businesses and shaping the future of work. The first is the explosive proliferation of software into every aspect of business and the second is the increased pace of disruption driven by technological change.
According to Netskope, a typical enterprise uses more than 1,000 cloud services. Many of the largest IT departments maintain thousands of enterprise applications. All of this software either automates the repetitive and often error-prone work that humans used to do or augments human effort with entirely new capabilities. This software has enormous benefits in terms of accuracy of information, speed of delivery, and knowledge worker productivity, but it also introduces new challenges.
With the simpler and more routine tasks automated away, the work that remains is more sophisticated and complex. Those tasks, which most rely on human judgment, intelligence, and creativity, are both more difficult to perform and more difficult to coordinate. Organizational alignment becomes harder to achieve. Further, the increased use of highly specialized software in different functional areas leads to a fragmentation of attention and, because it is often difficult to share objects or records with non-users, impedes the flow of important information across the organization.
These challenges compound the disruptive threats companies face in increasingly dynamic environments. Technological change and increased globalization continually create new opportunities and threats, but they also accelerate second-order change in customer needs, competitors’ behavior, and overall macroeconomic conditions. This environment demands an ever-greater ability to adapt and respond : 52% of the companies in the S&P 500 at the end of 2000 were no longer in the S&P at the end of 2018. In an increasingly dynamic world, the fundamental business advantage is organizational agility the ability for individuals, teams, and organizations to maintain alignment while continually transforming to meet evolving challenges.
How Slack Helps
Slack is designed to allow people and teams to realize their full potential at work and, in doing so, to help organizations overcome the challenges created by their increased reliance on a proliferation of specialized software and radically reduce the communication and coordination effort required to achieve a given amount of organizational agility.
Our vision is a world where organizational agility is easy to achieve, regardless of an organization’s size
As a result of the alignment teams and organizations are able to maintain while continuously adapting to respond in increasingly dynamic environments, less effort and energy is wasted and the human beings on those teams are able to fully utilize their intelligence and creativity in pursuit of the organization’s shared objectives.

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Slack makes existing software more useful and accessible
As a flexible platform for routing information of all kinds – messages, data, documents, even user interfaces and application state – Slack integrates horizontally with thousands of other applications, from those provided by companies like Google, Salesforce, ServiceNow, Atlassian, and Dropbox to the proprietary line-of-business applications developed by organizations for their own internal use. This functionality enables users to securely interact with all of these applications in one familiar user interface , with actions and workflows recorded both in Slack and in the integrated applications. For example, a manager can quickly look up an account in Salesforce, approve a time-off request in Workday, and view a Word document stored in Box, all without leaving Slack.
Whatever tools organizations on Slack already use, and whatever they might use in the future, our goal is to make their experience of those tools better because they use Slack. Through an open API and an expansive approach to partnerships, we enable organizations on Slack to get more out of their software investment. Because software is a way of getting more out of what is often an organization’s largest expense, payroll, this can have a double-levered impact on topline productivity.
Slack drives increased organizational agility
As a new layer of business technology that brings together an organization’s people, applications, and data, Slack improves organizational alignment. In a December 2018 survey that we conducted with more than a thousand U.S.-based users who had been using Slack for at least one month, which we refer to as our 2018 Survey, 87% reported that Slack improved communication and collaboration inside their organization. Of those users who believed that Slack impacted the transparency of projects, initiatives, or team activities across their organization, 97% reported either “more” or “much more” transparency with Slack. By the same measure, 89% reported “more” or “much more” productivity.
Organizational agility is a difficult thing to measure, but anyone who has worked at a large organization knows that the cost of communication and coordination is high and it grows dramatically with the number of people involved. We believe an organization’s perception of the value of Slack and specifically their perception of its impact on key factors in their organization’s performance are useful indicators of the improvements organizations are able to achieve through their use of Slack.
Summary of Key Benefits
Working in Slack provides several key benefits to users, teams, and organizations and to our platform ecosystem:
People love using Slack and that leads to high levels of engagement. Slack is enterprise software created with an eye for user experience usually associated with consumer products. We believe that the more simple, enjoyable, and intuitive the product is, the more people will want to use it. As a result, teams benefit from the aggregated attention that happens when all members of a team are engaged in a single collaboration tool.
Slack increases an organization’s “return on communication.” Moving to channel-based communication increases accessibility of communication, which in turn increases transparency and breaks down silos. The organization benefits from increased coordination and alignment from a given amount of communication, with no additional effort in the form of status reports, update meetings, and so on.
Slack increases the value of existing software investment . Integration with Slack increases both the accessibility of information inside applications and the response times for many basic actions. Because Slack users can do virtually everything on Slack on mobile that they can do on desktop, they do not need to have dozens of work applications on their mobile devices to be able to make lightweight use of those applications on the go.
An organization’s archive of data increases in value over time. As teams continue to use Slack, they build a valuable resource of widely accessible information. Important messages are surrounded by useful context and users can see how fellow team members created and worked with the information and arrived at a decision. New employees can have instant access to the information they need to be effective whenever they join a new

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team or company. Finally, the content on Slack is available through powerful search and discovery tools, powered by machine learning, which improve through usage.
Slack helps organizations improve culture and employees’ feelings of empowerment. When every member of a team learns from, and contributes towards, common goals, people feel they have greater influence over the ultimate outcomes of their work. By keeping all team members in the information flow, we believe that Slack increases this sense that members of a team can have an impact and make a difference and that creates greater team cohesion and increases motivation.
Slack helps achieve organizational agility . Slack’s channels immerse workers directly into the dynamic and evolving communication, decision making, and data flow that defines modern work. Because workers have both more access to data updated in real time and more context for that data, they are better able to quickly react and adjust work streams in response to new business priorities or changing conditions while staying in alignment with one another.
Developers are better able to reach and deliver value to their customers . Slack has aggregated hundreds of thousands of organizations on one platform and made it easier for developers to distribute their software to any Slack-using organization. By making information from their applications available and allowing users to perform key actions through a whole new interface, developers can make their customers happier and more engaged.
Organizations and employees demand better and more productive ways to work, and organizations must be able to fully employ the knowledge, skill, and creativity of the people they invest in. We believe that whoever makes it easiest for teams to function with agility and cohesion in an ever more complex world will be the most important software company in the world. We aim to be that company.
Our Business Model
From the outset, our go-to-market strategy has centered around offering an exceptional product and level of service to organizations on Slack. We offer a self-service approach, for b oth free and paid subscriptions to Slack, which capitalizes on strong word-of-mouth adoption and customer love for our brand. Since 2016, we have augmented our approach with a direct sales force and customer success professionals who are focused on driving successful adoption and expansion within organizations, whether on a free or paid subscription plan. We believe deep user engagement and an obsessive focus on customer experience are catalysts for expanding paid adoption within organizations.
We define daily active users as users who either created or consumed content in a given 24-hour period on either a free or paid subscription plan. We define an organization on Slack as a separate entity, such as a company, educational or government institution, or distinct business unit of a company, that is on a subscription plan, whether free or paid. Once an organization has three or more users on a paid subscription plan, we count them as a Paid Customer.
Our user base has grown rapidly since our launch in 2014. During the three months ended January 31, 2019, our daily active users exceeded 10 million. As of January 31, 2019, Slack had more than 600,000 organizations with three or more users, comprised of:
More than 88,000 Paid Customers, including more than 65 companies in the Fortune 100; and
More than 500,000 organizations on our Free subscription plan.
Many of our Paid Customers have thousands of active users and our largest Paid Customers have tens of thousands of employees using Slack on a daily basis.
Our users, whether on a free or paid subscription plan, are highly engaged, and their collective active use of Slack for the week ended January 31, 2019 exceeded 50 million hours. During the week ended January 31, 2019, more than 1 billion messages were sent in Slack. During this same time, on a typical workday, users at Paid Customers averaged nine hours connected to Slack through at least one device and spent more than 90 minutes actively using Slack. We believe that this broad, active user base and deep user engagement propel increased adoption within organizations and inspire many organizations to become Paid Customers.

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Our direct sales and customer success efforts are focused on larger organizations who have a greater number of users and teams and have the potential to increase spend over time. We measure the number of Paid Customers >   $100,000 of ARR as a gauge of adoption within and expansion into large enterprises. We had 575 Paid Customers >$100,000 of ARR as of January 31, 2019, which accounted for approximately 40% of our revenue in fiscal year 2019 .
We generate revenue primarily from the sale of subscriptions for Slack. Paid customers typically pay on a monthly or annual basis, based on the number of users that they have on Slack.
Our reven ue was $105.2 million, $220.5 million, and $400.6 million in fiscal years 2017, 2018, and 2019, respectively, representing annual growth of 110% and 82%, respectively. Our growth is global with international revenue representing 34%, 34%, and 36% of total revenue in fiscal years 2017, 2018, and 2019, respectively. We continue to invest in growing our business to capitalize on our market opportunity. As a result, we incurred net losses of $146.9 million, $140.1 million, and $138.9 million in fiscal years 2017, 2018, and 2019, respectively. Our net losses have been decreasing as a percentage of revenue over time as revenue growth has outpaced the growth in operating expenses.
Expansion within organizations on Slack is a significant contributor to our growth. We measure the rate of expansion within our Paid Customer base, whether it is sales-driven growth inside our larger Paid Customers or product-driven organic growth inside of self-serve Paid Customers, by Net Dollar Retention Rate. Our Net Dollar Retention Rate was 143% as of January 31, 2019. We believe that our Net Dollar Retention Rate is a reflection of the rapid pace of adoption that often occurs as usage spreads within and across teams. We believe that all of these factors will contribute to a high lifetime value of an organization on Slack.
What Sets Us Apart
We believe Slack is uniquely well positioned to maintain its advantages as the market for our new category grows.
Singular focus
Our development, design, partnerships, customer engagement, and investments are targeted at realizing the enormity and simplicity of Slack’s singular mission: to make people’s working lives simpler, more pleasant, and more productive. We have no legacy products or competing priorities. We believe our platform has broad enough utility and a large enough market that we can remain focused indefinitely.
Scale and market leadership
The strength of our market leadership is demonstrated by the scale and growth of our users, the high level of engagement within our user base, our growth within organizations, the breadth of applications that integrate with Slack, and the size of our developer ecosystem. We believe we know more about how organizations use platforms like Slack than anyone else in the world and will put this knowledge to work faster.
Strong increasing returns dynamics
As Slack usage increases inside an organization, more value is created for each additional user who might join, as well as for all existing users. As organizations continue to use Slack over time, the value of their archive increases and they realize more utility in their usage. We believe shared channels between organizations will increase the value of the overall Slack network for each new organization that joins as well as for all existing network members. Slack also generates more value for developers as more users and more organizations join Slack, and users and organizations are more attracted to Slack as more apps are integrated into or built on our platform.
Customer love leading to stickiness and organic expansion
People love using Slack and many become advocates for wider use inside of their organizations. They also tend to recommend Slack when they switch jobs or join organizations that are not yet using Slack. There are thousands of public tweets and other public endorsements or recommendations of Slack, a source of growth that is exceptional in enterprise software.

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Differentiated go-to-market strategy
Organic growth is generated as users realize the benefits of Slack. This growth enables us to attract new and prospective organizations through a highly effective self-service customer engagement model for free and paid subscription plans. We complement our self-service strategy with a focused direct sales effort targeted at organizations with existing organic adoption of Slack. Once prospective organizations are identified, our direct sales and customer success teams work to broaden adoption of Slack into wider-scale deployments.
Customer-centricity as the fundamental tenet of our company
We build our software and user interface around the real needs of human beings. We aim for radical convenience and do our best to anticipate the needs of our users. Empathy and respect for users is built into our company values and this mindset extends to our broader sales and customer engagement model. We focus maniacally on customer support for free and paid subscription plans and treat it as a critical and strategic imperative for our company. We believe people should leave every interaction with a Slack representative feeling that they have been heard, respected, and helped by a human being who truly understands Slack and the experience of depending on it for work. This quality of service has a real impact on user behavior: based on our internal data, users who interact with our customer experience team are eight times more likely to become paid users than those who do not.
Market Opportunity
We believe everyone whose working life is mediated by email is a potential Slack user. Indeed, because of the universal need for organizational agility and the impact to current and potential organizations on Slack of getting more out of their investment in software, we further believe that the shift to Slack, or services like Slack, is inevitable.
We estimate the market opportunity for Slack and other providers of workplace business technology software platforms for communication and collaboration to be $28 billion. We calculate this market opportunity by estimating the total number of companies in our addressable market globally across large enterprises (companies that have more than 5,000 employees), medium-sized organizations (companies that have 250 5,000 employees), and emerging and small businesses, or ESB (companies that have 10 250 employees), and applying ARR to each respective organization based on its size and location. The ARR applied to the estimated number of organizations is calculated by using our internal data on current spend by size of the organization. For large enterprises, we have applied the median ARR of our top 100 global Paid Customers. For medium-sized organizations and ESBs, we have applied a median ARR based on current Paid Customer spend by size. For both medium-sized organizations and ESBs in emerging markets, we have reduced ARR to reflect pricing plans in emerging market regions such as Brazil and India. As our market and the number of competitors in it is rapidly evolving, our estimates for the size of this market may not be reflective of the actual size of the market.
Growth Strategy
Slack has shown significant growth relative to other enterprise software companies, indicating strong product-market fit and a large market opportunity. We intend to continue to grow by the following, and other, means:
Expand our user base through continuous enhancements to Slack
We believe our user base is loyal and engaged because users enjoy working in Slack and value the productivity it enables. We will continue a relentless focus on product design and new user experience to reach more users and organizations who can benefit from Slack. To maintain high levels of user satisfaction, we intend to continue to enhance Slack’s speed, reliability, quality, and capabilities. For example, we intend to increase our investment in the interoperability between Slack and leading providers of email, calendar, task management, file system, and unified communication services.
Grow the number of organizations on Slack and increase our paid customers
We believe our market remains underpenetrated and we will continue to expand our marketing and sales efforts to reach more users and organizations and to increase the number of paid customers.

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Increase usage within organizations on Slack
Expansion within organizations on Slack has been an important growth driver. We plan to continue our efforts to grow use and users within organizations on Slack by increasing our investments in our direct sales force, customer success, and customer experience teams, along with new user education initiatives to help teams get the most out of Slack.
Enable Slack usage across existing and new business networks
Slack has been used primarily for internal communications. Slack’s guest account feature, which allows organizations to bring customers, vendors, consultants, contractors, and other service providers into their Slack instance, is used by more than 65% of paid customers. Our shared channels feature, which facilitates secure collaboration between companies, is in beta release and over 15% of our paid customers have used this feature to connect with other paid customers. We believe adoption of this feature will grow significantly in the coming years, both in terms of network participants and network density. Because the associated network effect increases the value of Slack both for organizations on Slack and organizations new to Slack, we expect shared channels to create more utility for existing users and be an important factor in future growth.
Further invest in enterprise capabilities
We believe there is significant opportunity to accelerate our growth within the world’s largest organizations. We launched Enterprise Grid in 2017 to provide scalability and greater administrative controls to address the needs of larger and more complex enterprises. We intend to increase investments in marketing and expand our field sales team in order to drive greater adoption of Enterprise Grid by large organizations. Additionally, we plan to continue to build product functionality that meets the unique needs of the world’s largest, most complex organizations. Examples of such needs include enterprise key management and features and support for regulated industries, including organizations that are HIPAA or FINRA regulated.
Invest in international expansion
We are currently used in more than 150 countries and available in eight languages (English (U.S.), English (U.K.), French, German, Japanese, Portuguese (Brazil), Spanish (Latin America), and Spanish (Spain)). More than 36% of our revenue in the fiscal year ended January 31, 2019 came from outside the United States. We have sales and customer experience offices in the United States, Canada, Japan, Australia, Ireland, and the United Kingdom. We plan to open offices and hire sales and customer experience people in additional countries and expand our presence in countries where we already operate. We also intend to unlock growth in under-penetrated regions by translating and localizing our product, as well as adding product functionality to address new markets.
Grow our application platform and developer ecosystem
As of the week ended January 31, 2019, more than 1,500 apps were available through our App Directory, and in a typical week during the three months ended January 31, 2019, more than 450,000 third-party applications or custom integrations were used by organizations on Slack. We will continue investing to expand the number of developers building applications that integrate with Slack and to make Slack work with an increasing number of third-party and internally developed custom applications , making Slack even more powerful for our user s. Additionally, we are currently developing low-code solutions to create integrations and workflows entirely in Slack, suitable for all users and based on a simple, non-technical user interface.
Leverage artificial intelligence, machine learning and advanced search
We believe that there is a significant opportunity to improve the quality of communication and collaboration and further streamline people’s working lives by automating workflows . This automation can help people prioritize the most important information and work. We have already seen early benefits from using machine learning and advanced search technologies to proactively recommend relevant topics, experts, and documents in discussions. We intend to continue to invest in our research and development efforts in artificial intelligence, machine learning, and search capabilities.

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Our Service
Slack is a new layer of the business technology stack that brings together people, applications, and data – a single place where people can effectively work together, access hundreds of thousands of critical applications and services, and find important information to do their best work.
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Slack’s Key Functionality
Messaging and Channels: Slack users communicate with one another by posting messages to a channel or sending direct messages to a person or a group of people. Slack’s core organizing principle is the channel, which brings the right people together to collaborate, share information, and get work done. Channels offer flexibility and can be organized by project, topic, team, or whatever makes sense for a specific task or situation. Public channels are accessible to all users within a Slack workspace. For more exclusive workstreams and conversations, users create invite-only channels.
Within channels, users post messages, documents, and images and interact with other software. Users can search for information about a topic or project, find a relevant channel, join it, and easily scroll through the entire channel’s history, finding messages and contextual content. Slack enables users to optimize the way they use the service, allowing users to choose when to receive notifications and customize alerts by person, keyword, channel, or application.
During the week ended January 31, 2019, more than 1 billion messages were sent in Slack.
Integrations: Through integrations with both third-party and internally-built software applications, users of Slack are able to easily access and interact in their channels with information from other applications. We believe this makes Slack users more productive at work and increases the value of other software programs. For example, a user may look up customer account information in Salesforce or get updates on deployment status through GitHub within Slack. More advanced use cases include the ability to design custom workflows, which can automatically perform a series of tasks and actions in Slack in otherwise unconnected software applications. For example, creating a customer service ticket routing application that brings together

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information from a Zendesk ticket, customer data from Salesforce, and suggested solutions from an internally-built knowledge base – all without leaving Slack. Additionally, we are currently developing low-code solutions to create integrations and workflows entirely in Slack, suitable for all users and based on a simple, non-technical user interface .
There are two main types of application integrations:
Custom-built integrations . Purpose-built tools developed by organizations on Slack for their own internal use, or built on their behalf by systems integrators. These applications address unique needs of specific users and organizations on Slack. Examples are:
An integration built by Shopify that enables Shopify employees to run more than 100 custom commands within Slack, including receiving phone, email, and chat support service updates, which helps the team manage requests and assign the right support team member to appropriate channels, and querying information about the most active shops, traffic volume, and sales; and
An integration built by Monzo that alerts the team to a spike or incident in the infrastructure backend and creates a new channel where individuals can troubleshoot the issue in a moment’s notice.
Third-party integrations . Applications available for download from the App Directory or through the vendor. Examples include:
An integration with Atlassian’s Trello that enables a user to create new Trello cards, attach conversations, change due dates, and take other actions on a Trello card in Slack;
An integration with SurveyMonkey that enables users to start and answer surveys in Slack; and
An integration with Zoom that enables a user to start a video call directly from Slack.
Shared Channels: Slack enables communication and collaboration among organizations via shared channels and guest accounts. Shared channels securely connect the Slack workspaces of different organizations, enabling the same level of communication and collaboration between enterprises that Slack brings to teams within an organization. Shared channels can be public or invite-only and contain all of the powerful tools and integrations of Slack along with an added layer of administrative capabilities to regulate and monitor the flow of information between organizations. Guest accounts allow workspace owners to invite people from outside their organizations to join one or more channels.
As of January 31, 2019, more than 15% of our Paid Customers have adopted shared channels since we launched our beta program in September 2017. These Paid Customers have connected an average of more than four shared channels.

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Search: Everything in Slack, including messages, posts from applications, and text content of files is searchable, so that permissioned users can tap into company knowledge and find information when they need it. Over time, use of Slack creates an archive of information generated by an organization that is universally available, persistent and contextual, making Slack’s search function increasingly useful. Our search capability offers a range of filters and modifiers to allow users easy and efficient access to specific knowledge from potentially vast repositories of information. We also leverage machine learning to deliver personalized search results based on user behavior and context, such as the people a user may communicate with most often, the files that may be most relevant to the user and the channels in which the user tends to participate.
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Our Subscription Plans
We offer four subscription plans to serve the varying needs of our users: Free, Standard, Plus, and Enterprise Grid.
Our Free, Standard, and Plus subscription plans consist of a single workspace, which we define as a Slack environment configured for a team. These plans are most often adopted by small and medium sized teams. From time to time, we provide additional features and functionality, such as enterprise key management, to meet specialized requirements of organizations on Slack.
Our Enterprise Grid plan is uniquely designed for larger organizations, which typically are more complex and require enhanced functionality, flexibility, administrative control, and security at scale. Enterprise Grid allows paid customers to:
create and manage an unlimited set of connected workspaces and channels;
search across multiple workspaces, making it easy for workers and administrators to tap into their organization’s collective knowledge at scale;
access centralized controls to ensure a company’s data remains secure, giving administrators a single point of visibility to provision and manage Slack; and
integrate with third-party e-Discovery and data loss prevention tools to help meet security and compliance requirements.
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Slack is accessible through the web, a desktop application, and native iOS and Android applications.
The Slack Platform
Our technology platform was purpose built to enable independent software developers and organizations to integrate existing software with Slack or build entirely new applications that provide new features for Slack users. We believe that the power of Slack is amplified through integration with third-party and internal software, providing easy, intuitive access to a broad range of applications. Our platform consists of a set of open, documented APIs, developer tools, and an App Directory that lists apps that have met our guidelines. Organizations on Slack use our platform to create internal applications and integrations, ranging from simple notifications to complex internal workflows. Third-party developers build integrations and applications that make it easier for their existing customers to engage with their products as well as find new customers.

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There were more than 450,000 third-party applications or custom integrations used in a typical week during the three months ended January 31, 2019. More than 90% of Paid Customers used a third-party application or custom integration in the week ended January 31, 2019.
Our App Directory lists applications and integrations that address virtually all aspects of knowledge work. These applications and integrati ons connect Slack users with software from some of the world’s largest technology companies to some of the smallest startups.
As of January 31, 2019, more than 1,500 apps were listed in our App Directory. A sample of some of the integrations listed in the App Directory is as follows:
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We foster our platform ecosystem through our dedicated Slack API site, open source forums, software development kits, global developer events, partnerships, and technical support for developers building for their own companies or aiming to list their apps in our App Directory.
Organizations on Slack
Organizations on Slack are of all sizes, from individual entrepreneurs, freelancers, and emerging small businesses to large, multi-national corporations. They work across a wide range of industries, including professional services, technology, media, education, healthcare, government, industrials, consumer and retail, and financial services. Organizations are adopting Slack globally and using Slack across more than 150 countries, and more than half of our daily active users are outside the United States. Slack is used by all types of departments, roles, and functions within organizations, including sales, marketing, product, design, engineering, finance, legal, and human resources. According to our 2018 Survey, more than half of our users are in non-technical roles.
As of January 31, 2019, we had more than 600,000 organizations with three or more users, comprised of more than 88,000 Paid Customers, including more than 65 of the companies in the Fortune 100, and more than 500,000 organizations on our Free subscription plan. The number of organizations on Slack is highly diversified, and during the year ended January 31, 2018, no Paid Customer accounted for more than 3% of our revenue.
Case Studies
The examples of organizations on Slack below illustrate how organizations of all sizes across a wide range of industries benefit from Slack.

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Our Sales and Marketing Approach
We combine a web-based, self-service go-to-market approach with direct sales efforts that focus on growing users within larger organizations and acquiring new large paid customers. We believe that these go-to-market approaches reinforce one another; self-service users become leads for our direct sales force and users within larger enterprises create organic awareness of Slack inside and outside their organizations. We complement these sales and marketing activities with an obsessive focus on customer experience and customer success.
Self-Service Adoption and Marketing
Many organizations adopt Slack initially as part of our self-service go-to-market approach. We deploy a range of marketing strategies and tactics to drive initial awareness and adoption. These include brand advertising, public relations, digital marketing campaigns, product localization, in-product customer education, and a website designed to teach new users about Slack.
Organizations often start by using our free version. Organizations on Slack are diverse, and range from businesses to non-governmental organizations, universities, sports clubs, and open source communities. We believe free usage helps create champions of Slack, and as these prospective paid customers realize the value of Slack, they spread the word organically throughout their networks and organizations.
As organizations engage more deeply with Slack, both through using Slack for collaboration and communication and integrating more third-party and internally-developed software via our platform, they often upgrade to paid plans via our website. We support this upgrade path through targeted marketing campaigns and in-product prompts highlighting the added benefits and features of our paid plans.
Direct sales and marketing
To increase adoption within larger paid customers and acquire new paid customers, we utilize a direct sales organization that complements our self-service approach. Our direct sales force leverages the Slack champions and proofs of concept developed through self-service adoption. We combine this bottoms-up demand with direct sales efforts targeted at C-suite executives and business unit leaders.
These efforts include a globally distributed direct sales force, solutions engineering, demand generation campaigns, webinars, analyst relations, C-suite events, and cooperative marketing efforts with our partners. We also host an annual user conference, Frontiers, where we bring together organizations and partners around the world to share best practices on achieving organizational alignment, unveil the latest Slack features, educate users, and embrace our growing application developer and platform ecosystem.
Customer experience and customer success
We believe that highly responsive and effective support and education are an extension of our brand and are core to building and maintaining user love and trust.
Our customer experience team provides support to users of both free and paid versions of Slack and is core to enhancing user adoption, free-to-paid conversion, and subscription renewal. Additionally, our customer experience team receives and quantifies feedback from organizations on Slack at scale. This maniacal focus on responsiveness and personal touch helps us optimize customer satisfaction and identify high-value opportunities for both user-facing and internal product improvements.
Our customer experience core philosophies are:
Organizations on Slack are busier than we are;
We exist to be of service to organizations on Slack;
The barriers to reach and receive support should be as low as possible; and
Support is an opportunity not just to fix problems, but to educate users and organizations on Slack.

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Our educational offerings include a range of free, web-based classes and tutorials on how to use, administer, optimize, and customize Slack, as well as how to integrate other applications, build custom workflows, and build entirely new applications on Slack. We also offer in-person training through our developer relations program and at events for organizations on Slack.
Our customer success team supports larger organizations through every step of their journey with Slack. This starts with supporting onboarding, workspace best practices, change management, and education, and continues with renewals and expansion to other functional teams, departments, or business units. In addition, we offer professional services tailored to the needs of organizations on Slack.
Our Partnerships
Slack has a robust and diverse partner ecosystem that includes leading enterprise software companies, security providers, systems integrators, and new, emerging companies. Our partner ecosystem extends and enhances Slack through integrations and operates as an important component of our go-to-market strategy. Partners serve as a source of enterprise sales leads and help to accelerate our sales cycles through co-selling and services delivery. Our partners benefit from growth in customer engagement with their products and services and new opportunities to grow their users and customers.
We have deep partnerships with some of the largest and fastest growing enterprise software providers, including Atlassian, Google, Okta, Oracle, Salesforce, SAP, ServiceNow, Workday, and Zoom. Through these partnerships we expand the number of organizations on Slack and provide differentiated user experiences between Slack and the other critical applications used by large, complex organizations. Some examples of the activities we undertake with other software providers include:
Atlassian: Joint migration of organizations from Atlassian’s Hipchat and Stride products to Slack; creation of differentiated user experiences between Slack and the suite of Atlassian products, including Jira, Bitbucket, Confluence, Trello, and Statuspage;
Okta: Cross-platform identity mapping and synchronization; co-selling and joint initiatives to bring our integrated, solutions to the market; and
Workday: Joint product roadmap to deliver Slack-centric experiences for Workday’s employee directory, feedback, expenses, paid time off, and recruiting functionalities.
Slack Fund
Investing is also a component of our partnerships strategy. The Slack Fund is an investment fund that we started, in partnership with entities affiliated with certain of our stockholders, Accel, Andreessen Horowitz, Index Ventures, Kleiner Perkins, Social Capital, and Spark Capital. We created the fund to support companies building applications on the Slack platform and other applications that are focused on the next generation of enterprise software. As of January 31, 2019, Slack Fund has invested $10.1   million in  46  companies, with $5.2 million funded by Slack and the balance funded by the venture capital funds who partner with Slack Fund. We plan to continue to invest in start-up companies that we believe enhance the value of Slack and that are focused on the future of work.
Our Employees, Culture, Values, and Slack for Good
As of January 31, 2019, we had 1,502 full-time employees. We supplement our workforce with contractors and consultants.
At Slack, our goal is to make people’s working lives simpler, more pleasant, and more productive. Slack’s culture is rooted in a sense of belonging, encouraging personal and professional growth, and the ability to empathize and relate to one another.
Part of our culture is what we refer to as Slack for Good. Slack for Good’s principal focus is to increase the representation of people from backgrounds that have been historically under-represented in the technology industry. We have pledged 1% of employee time, 1% of our equity, and 1% of our product to activities associated with Slack

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for Good. We encourage our employees to volunteer their time to support causes of their choice and provide them with paid time off to do so. We have reserved 1.2 million shares of our Class B common stock for potential future sale to fund and support our social impact initiatives. We also donate money and discount access to our service for non-profit organizations.
Research and Development
We build our software with the user in mind – we invest substantial time, energy, and resources to ensure we have a deep understanding of the needs of organizations on Slack and we continually innovate on our product. Unlike traditional enterprise software, we aim to release new features to users and organizations on Slack as rapidly as possible through internal testing releases and external beta cycles to ensure that we are constantly receiving feedback. We leverage the power of our expansive user base and our focused customer service philosophy to collect feedback on product features to enhance our development process.
Since Slack’s launch, we have invested more than $455 million to build our service. Research and development expenses were $96.7 million, $141.4 million, and $157.5 million for the years ended January 31, 2017, 2018, and 2019, respectively. As of January 31, 2019, we had 536 employees across our engineering, product, research, and design teams.
Technology Infrastructure and Operations
We have built our technology infrastructure using a distributed and scalable architecture on a global scale.
We designed our technology platform with multiple layers of redundancy to guard against data loss and deliver high availability and low latency. Incremental backups are performed hourly and full backups are performed daily. In addition, redundant copies of content are stored in at least two geographically separate regions and are replicated within each region. Data is transmitted in encrypted form and encrypted when stored in our system. We use Amazon Web Services as our processing and delivery infrastructure.
We have built a network operations infrastructure that combines automated, 24x7 telemetry with human monitoring to help ensure that any issues that arise with our service are addressed as quickly as possible. We publish our uptime metrics, system status, and event reports on our public website so that users and organizations know how our systems are performing at any given time.
Security, Privacy, and Data Protection
Trust is important for our relationship with users and organizations on Slack, and we take significant measures to protect their privacy and data.
Security
We devote considerable resources to our security program, which is dedicated to ensuring that organizations on Slack have the highest confidence in our custodianship of their data. Our security program is aligned to the ISO 27000 standards and is regularly audited and assessed by third parties as well as organizations on Slack.
Our security program consists of the following:
Organizational security including personnel security, security and privacy training, a team of dedicated security professionals, policies and standards, separation of duties, and regular audits, compliance activities, and third-party assessments;
Secure by design principles by which we assess the security risk of each software development project according to our secure development lifecycle and create a set of requirements that must be met before the resulting change may be released to production; and
Public bug bounty program to facilitate responsible disclosure of potential security vulnerabilities identified by external researchers and reward them for their verified findings.

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The focus of our security program is to prevent unauthorized access to the data of organizations on Slack. To this end, our team of security practitioners, working in partnership with peers across our company, work to identify and mitigate risks, implement best practices, and continue to evaluate ways to improve. These steps include data encryption in transit and at rest, network security, classifying and inventorying data, limiting and authorizing access controls, and multi-factor authentication for access to systems with data. We also employ regular system monitoring, logging, and alerting to retain and analyze the security state of our corporate and production infrastructure.
In addition, our security program has achieved several internationally-recognized certifications and industry standard audited attestations of our security controls, and maintains a number of compliance programs.
The International Organization for Standardization, or ISO, has developed a series of standards for information security and related areas, and we have received the following ISO certifications:
ISO/IEC 27001 (Information Security Management);
ISO/IEC 27017 (Security Controls for the Provisions and Use of Cloud Services); and
ISO/IEC 27018 (Protection of Personally Identifiable Information).
Service Organization Controls, or SOC, are standards established by the American Institute of Certified Public Accountants for reporting on internal control environments implemented within an organization. We have completed SOC 2 and SOC 3 examinations.
We are a member of the Cloud Security Alliance, or CSA. The CSA Security, Trust & Assurance Registry, or STAR, is a publicly-accessible registry that offers a security assurance program for cloud services, helping organizations assess the security posture of cloud providers they currently use or are considering using. We meet the requirements of the STAR Level 1 Self-Assessment.
The Health Insurance Portability and Accountability Act, or HIPAA, is a U.S. government regulation that includes data privacy, security and breach notification requirements for safeguarding protected health information. Since 2017, we have offered limited support for HIPAA-regulated organizations that purchase Enterprise Grid.
The Federal Risk and Authorization Management Program, or FedRAMP, is a U.S. government program that provides a standardized approach to security assessment, authorization and continuous monitoring for cloud products and services and allows federal agencies to accelerate cloud adoption initiatives. We have achieved a FedRAMP Authority to Operate at the Low/Tailored impact level issued by the General Services Administration for our Standard, Plus and Enterprise Grid subscription plans.
The G-Cloud framework is an agreement between the government of the United Kingdom and suppliers who provide cloud-based services to U.K. public sector organizations. All approved cloud-based services and providers are listed on a publicly accessible portal known as the Digital Marketplace. Our Standard and Plus subscription plans are listed in the Digital Marketplace.
We take appropriate steps to help ensure that our security measures are maintained by the third-party vendors we use, including by conducting security reviews and audits.
Privacy and data protection
The privacy of users and protection of data is important to Slack’s continued growth and success. Privacy is a shared responsibility among all our employees, but we also have a dedicated privacy and data governance team that builds and executes on our privacy program, including the management of data protection impact assessments. Our privacy and legal teams work together to conduct product and feature reviews, data inventory and mapping, and support for data protection and privacy-related requests.
We are committed to complying with, and helping organizations on Slack comply with, data protection laws globally. We monitor guidance from industry and regulatory bodies, meet with regulators and update our product features and contractual commitments accordingly.

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Slack is offered to organizations outside the United States and Canada by Slack Technologies Limited, an Irish company based in Dublin, Ireland, which is subject to the European Union’s General Data Protection Regulation and the regulatory oversight of the Irish Data Protection Commission. We also maintain a self-certification under the E.U.-U.S. and Swiss-U.S. Privacy Shield and offer European Union Model Clauses, also known as Standard Contractual Clauses.
We maintain a privacy policy that describes how Slack collects, uses and discloses information, and what choices organizations and users have.
Competition
The market for services like Slack is emerging, rapidly evolving, and fragmented, and we believe that Slack represents a new category of business technology. As a result, we principally compete against incumbent collaboration and communication tools and products from established vendors, such as Microsoft, productivity tool and email providers, such as Google, unified communications providers, such as Cisco, and consumer application companies that have entered the business software market, such as Facebook. We also compete with smaller companies that offer niche or point products that attempt to address certain problems that Slack addresses. These smaller companies include companies that specialize in voice or video communication, instant messaging, email filtering and email inbox organization, business workflows, team-based collaboration, intranet creation, and maintenance and other functionality. Some of these companies offer free or discounted services. We believe that we compete favorably with these smaller companies because they do not offer the unique mix of features and functionality combined with our proven ability to scale to handle large amounts of users, usage, and data. In addition, our market is subject to changing technology, shifting customer needs, new market entrants, and frequent introductions of new products and services.
We believe that the principal competitive factors in our markets include the following:
ease of adoption, use, and deployment;
product functionality;
platform capabilities;
breadth and depth of platform integrations;
scalability;
security and privacy;
ability to support intercompany collaboration;
brand awareness and reputation;
customer support; and
total cost of ownership.
We believe that our product experience and product strategy, technological innovation, and company culture enable us to compete favorably on each of these factors.
We expect competition to increase as established and emerging companies continue to enter the markets we serve or attempt to address the problems Slack addresses, as customer requirements evolve and as new products, technologies, and regulations are introduced. Further, some of our competitors have longer operating histories, the ability to bundle a broader range of products and services, larger marketing budgets, access to larger existing user bases, and greater financial, technical, and other resources than we do. We believe, however, that we are uniquely positioned to more rapidly innovate and respond to new technologies and customer requirements than our competitors.

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Intellectual Property
We believe that our intellectual property rights are valuable and important to our business. We rely on a combination of patents, trademarks, copyrights, trade secrets, license agreements, confidentiality procedures, non-disclosure agreements, employee disclosure, and invention assignment agreements, and other legal and contractual rights to establish and protect our proprietary rights.
As of January 31, 2019, we had one issued patent in the United States, which expires in 2036, and more than 80 pending patent applications that cover various aspects of Slack in the United States and abroad. These patents and patent applications are intended to protect our proprietary inventions relevant to our business.
We have trademark rights in our name and other brand indicia and have trademark registrations for select marks in the United States and other jurisdictions around the world. We also have registered domain names for websites that we use in our business, such as www.slack.com, and similar variations.
We intend to pursue additional intellectual property protection to the extent we believe it would be beneficial and cost effective. Despite our efforts to protect our intellectual property rights, they may not be respected in the future or may be invalidated, circumvented, or challenged. In addition, the laws of various foreign countries where our products are distributed may not protect our intellectual property rights to the same extent as laws in the United States.
Facilities
Our corporate headquarters is located in San Francisco, California, and covers 228,998 square feet pursuant to an operating lease that expires in 2028. We also lease and purchase service memberships to additional facilities in San Francisco, California; Denver, Colorado; New York, New York; Chicago, Illinois; Dublin, Ireland; London, United Kingdom; Toronto, Canada; Vancouver, Canada; Melbourne, Australia; Sydney, Australia; Tokyo, Japan; and Pune, India.
We lease or purchase service memberships to all of our facilities and do not own any real property. We believe that our facilities are generally suitable to meet our current needs. We intend to expand our facilities as we add employees and enter new geographic markets, and we believe that suitable additional or alternative space will be available as needed to accommodate any such growth.
Legal Proceedings
We are not party to any material pending legal proceedings. From time to time, we may be subject to legal proceedings and claims arising in the ordinary course of business.

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MANAGEMENT
Executive Officers and Directors
The following table provides information regarding our executive officers and directors as of April 30, 2019:
Name
 
Age
 
Position
Executive Officers:
 
 
 
 
Stewart Butterfield
 
46
 
Co-Founder, Chief Executive Officer, and Chairman of the Board of Directors
Allen Shim
 
38
 
Chief Financial Officer
Robert Frati
 
50
 
Senior Vice President of Sales and Customer Success
Cal Henderson
 
38
 
Co-Founder, Chief Technology Officer
David Schellhase
 
55
 
General Counsel, Secretary
Tamar Yehoshua
 
54
 
Chief Product Officer
 
 
 
 
 
Non-Employee Directors:
 
 
 
 
Andrew Braccia (2)
 
43
 
Director
Edith Cooper (2)(3)
 
57
 
Director
Sarah Friar (1)
 
46
 
Director
John O’Farrell (1)
 
60
 
Director
Chamath Palihapitiya
 
42
 
Director
Graham Smith (1)(3)
 
59
 
Director
__________________
(1)
Member of the audit and risk committee.
(2)
Member of the compensation committee.
(3)
Member of the nominating and corporate governance committee.
Each executive officer serves at the discretion of our board of directors and holds office until his or her successor is duly elected and qualified or until his or her earlier resignation or removal. There are no family relationships among any of our directors or executive officers.
Executive Officers
Stewart Butterfield . Mr. Butterfield co-founded Slack and has served as our Chief Executive Officer and as Chairman of our board of directors since February 2009. From April 2005 to July 2008, Mr. Butterfield served as General Manager of the photo-sharing website Flickr at Yahoo! Inc., following Yahoo!’s acquisition of Ludicorp Research and Development Ltd. (which developed Flickr), where he served as Chief Executive Officer from May 2002 to April 2005. Mr. Butterfield holds a Master of Philosophy from the University of Cambridge and a Bachelor of Arts in Philosophy from the University of Victoria.
We believe that Mr. Butterfield is qualified to serve as a member of our board of directors because of his experience and perspective as our Chief Executive Officer and a co-founder.
Allen Shim . Mr. Shim has served as our Chief Financial Officer since January 2018. Mr. Shim joined Slack in March 2014 and served as Senior Vice President of Finance and Operations from March 2014 to January 2018. From September 2008 to March 2014, Mr. Shim served as Vice President of Finance and Treasurer at YuMe, Inc., a data analysis company for television advertising that was acquired by RhythmOne in 2017. From March 2005 to September 2008, Mr. Shim worked in business operations at Yahoo! Inc. Mr. Shim is a Chartered Financial Analyst (CFA) charterholder and holds a Bachelor of Science in Economics from the Wharton School of the University of Pennsylvania.

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Robert Frati . Mr. Frati has served as our Senior Vice President of Sales and Customer Success since February 2018. Mr. Frati joined Slack in May 2016 and served as Vice President of Sales and Customer Success from May 2016 to February 2018. From January 2006 to May 2016, Mr. Frati served in various roles at salesforce.com inc., a customer relationship management software company, most recently as Senior Vice President, Commercial Sales, Asia Pacific from August 2014 to April 2016. Mr. Frati holds a Bachelor of Arts in Political Economy from the University of California, Berkeley.
Cal Henderson. Mr. Henderson co-founded Slack. He has served as our Chief Technology Officer since December 2012 and served as Vice President of Engineering from April 2009 to December 2012. From June 2005 to April 2009, Mr. Henderson served as Director of Engineering at Yahoo! Inc. From December 2003 to June 2005, Mr. Henderson served as Director of Web Development at Ludicorp Research and Development Ltd. Mr. Henderson holds a Bachelor of Science in Software Engineering from the University of Central England.
David Schellhase. Mr. Schellhase has served as our General Counsel and Secretary since December 2016. From February 2015 to April 2016, Mr. Schellhase served as Chief Operating Officer at Honest Work Corporation, a software company that was acquired by Twitter, Inc. From June 2011 to January 2015, Mr. Schellhase served as General Counsel and then Strategic Advisor at Groupon, Inc., an e-commerce marketplace company. From July 2002 to May 2011, Mr. Schellhase served as General Counsel at salesforce.com, inc. Mr. Schellhase holds a Juris Doctor from Cornell Law School and a Bachelor of Arts in European History from Columbia University.
Tamar Yehoshua . Ms. Yehoshua has served as our Chief Product Officer since January 2019. From August 2010 to January 2019, Ms. Yehoshua served in various roles at Alphabet, Inc., an Internet-related services and products company, first as Director, Product Management, until September 2013, and then as Vice President, Product Management, in leadership roles on search, identity, and privacy. Since March 2019, Ms. Yehoshua has served as a member of the board of directors of ServiceNow, Inc., a publicly traded cloud computing company. Since October 2017, Ms. Yehoshua has served as a member of the board of directors of Yext Inc., a publicly traded online brand management company. From December 2015 to May 2017, Ms. Yehoshua served as a member of the board of directors of RetailMeNot, Inc., a publicly-traded company operating an online marketplace that aggregates discounts and offer codes. Ms. Yehoshua holds a Master of Science in Computer Science from the Hebrew University of Jerusalem and a Bachelor of Arts in Mathematics from the University of Pennsylvania.
Non-Employee Directors
Andrew Braccia . Mr. Braccia has served as a member of our board of directors since March 2010. Since April 2007, Mr. Braccia has served as a Partner at Accel, a venture capital firm. From 1998 to 2007, Mr. Braccia was Vice President of Yahoo! Search at Yahoo! Inc. Mr. Braccia serves as a member of the board of directors of several private technology companies. Mr. Braccia holds a Bachelor of Science in Business Administration from the University of Arizona.
We believe that Mr. Braccia is qualified to serve as a member of our board of directors because of his significant knowledge of and history with our company, his experience as a seasoned investor and as a current and former director of many companies, and his knowledge of the industry in which we operate.
Edith Cooper . Ms. Cooper has served as a member of our board of directors since January 2018. From May 1996 to December 2017, Ms. Cooper served in various roles at Goldman Sachs Group, Inc., an investment bank, including Managing Director, Securities Division; Managing Director, Global Head of Human Capital Management; and, most recently, Senior Director. Ms. Cooper serves as a member of the board of directors of Etsy, Inc., a publicly-traded e-commerce company. Ms. Cooper holds a Masters of Business Administration from Northwestern University Kellogg School of Management and a Bachelor of Arts in American History from Harvard University.
We believe that Ms. Cooper is qualified to serve as a member of our board of directors because of her experience as a financial industry executive and her extensive knowledge of that industry and the industry in which we operate.
Sarah Friar . Ms. Friar has served as a member of our board of directors since March 2017. Since December 2018, Ms. Friar has served as Chief Executive Officer at Nextdoor, a social network for neighborhoods. From July 2012 to November 2018, Ms. Friar served as Chief Financial Officer at Square, Inc., a financial services and mobile payment

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company. From April 2011 to July 2012, Ms. Friar served as Senior Vice President, Finance and Strategy at salesforce.com, inc. Ms. Friar also serves as a member of the board of directors of Walmart Inc., a publicly-traded retail and wholesale operations company. From September 2012 to May 2015, Ms. Friar served as a member of the board of directors of Model N, Inc., a publicly-traded company providing revenue management cloud solutions for life sciences and technology companies. From June 2014 to April 2018, Ms. Friar served as a member of the board of directors of New Relic, Inc., a publicly-traded provider of real-time insights for software-driven businesses. Ms. Friar holds a Masters of Business Administration from Stanford University and a Masters of Engineering in Metallurgy, Economics, and Management from the University of Oxford.
We believe that Ms. Friar is qualified to serve as a member of our board of directors because of her experience as a public company executive, her extensive finance background, her service as a current and former director of public companies, and her knowledge of the industry in which we operate.
John O’Farrell . Mr. O’Farrell has served as a member of our board of directors since April 2011. Since June 2010, Mr. O’Farrell has served as a General Partner at Andreessen Horowitz, a venture capital firm. Prior to joining Andreessen Horowitz, Mr. O’Farrell served in various management positions with Silver Spring Networks, Inc., Opsware, Inc., a publicly-traded software company, At Home Corporation, US WEST Inc., and Telecom Eireann, an Irish telecommunications company. Mr. O’Farrell has served as a member of the board of directors of PagerDuty, Inc., a publicly-traded software-as-a-service company that provides a digital operations management platform for businesses, since 2013. Mr. O’Farrell also serves as a member of the board of directors of a number of privately held companies, the U.S. Fund for UNICEF (d/b/a UNICEF USA), and MapLight, a nonprofit research organization . Mr. O’Farrell holds a Masters of Business Administration from Stanford University and a Bachelor of Engineering in Electrical Engineering from University College Dublin.
We believe that Mr. O’Farrell is qualified to serve as a member of our board of directors because of his significant knowledge of and history with our company, his business and venture capital expertise, his extensive experience as an executive and board member of technology companies, and his knowledge of the industry in which we operate.
Chamath Palihapitiya . Mr. Palihapitiya has served as a member of our board of directors since August 2017. Mr. Palihapitiya co-founded Social Capital, a venture capital firm, and has served as its Chief Executive Officer since July 2011. From July 2007 to June 2011, Mr. Palihapitiya worked at Facebook, Inc., a social media and social networking company, where he held various roles, including Vice President, Platform and Monetization and Vice President, User Growth, Mobile & International. Mr. Palihapitiya serves as a member of the board of directors of Social Capital Hedosophia Holdings Corp., a publicly-traded blank check company. Mr. Palihapitiya also serves as a member of the board of directors of several private technology companies. Mr. Palihapitiya holds a Bachelor of Applied Sciences in Electrical Engineering from the University of Waterloo.
We believe that Mr. Palihapitiya is qualified to serve as a member of our board of directors because of his experience as a company executive, his experience as a seasoned investor, and his knowledge of the industry in which we operate.
Graham Smith . Mr. Smith has served as a member of our board of directors since December 2018. Mr. Smith serves as a member of the board of directors of Splunk Inc., BlackLine, Inc., and Xero Limited, all of which are publicly-traded software companies. From March 2015 to February 2019, Mr. Smith served as a member of the board of directors of MINDBODY, Inc., a publicly-traded technology platform serving the fitness, beauty and wellness services industries, which was acquired by Vista Equity Partners in February 2019. From December 2015 to June 2018, Mr. Smith served as a member of the board of directors of Citrix Systems, Inc., a publicly-traded software company providing server, application, and desktop virtualization, and networking. From December 2007 to June 2015, Mr. Smith worked at salesforce.com, inc. serving first as Chief Financial Officer and then as Executive Vice President, Finance. From January 2003 to December 2007, Mr. Smith served as Chief Financial Officer at Advent Software, Inc., a portfolio accounting software company. Mr. Smith qualified as a member of the Institute of Chartered Accountants in England and Wales and holds a Bachelor of Science in Economics and Politics from the University of Bristol.
We believe that Mr. Smith is qualified to serve as a member of our board of directors because of his experience as a current and former director of many public companies, his extensive finance background, including service as a chief financial officer of several large, publicly-traded technology companies, and his knowledge of the industry in which we operate.

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Code of Conduct
Our board of directors has adopted a code of conduct that will apply to all of our employees, officers, and directors, including our Chief Executive Officer, Chief Financial Officer, and other executive and senior financial officers. Upon the effectiveness of the registration statement of which this prospectus forms a part, the full text of our code of conduct will be posted on our website. We intend to disclose any amendments to our code of conduct, or waivers of its requirements, on our website or in filings under the Exchange Act.
Board of Directors
Our business and affairs are managed under the direction of our board of directors. The number of directors will be fixed by our board of directors, subject to the terms of our amended and restated certificate of incorporation and amended and restated bylaws that will become effective shortly following the effectiveness of the registration statement of which this prospectus forms a part. Our board of directors consists of seven directors, six of whom will qualify as “independent” under NYSE listing standards.
In accordance with our amended and restated certificate of incorporation and our amended and restated bylaws, our board of directors will be divided into three classes with staggered three-year terms. Only one class of directors will be elected at each annual meeting of our stockholders, with the other classes continuing for the remainder of their respective three-year terms. Our directors will be divided among the three classes as follows:
the Class I directors will be Stewart Butterfield and John O’Farrell, and their terms will expire at the annual meeting of stockholders to be held in 2020;
the Class II directors will be Andrew Braccia, Sarah Friar, and Chamath Palihapitiya, and their terms will expire at the annual meeting of stockholders to be held in 2021; and
the Class III directors will be Edith Cooper and Graham Smith, and their terms will expire at the annual meeting of stockholders to be held in 2022.
Each director’s term will continue until the election and qualification of his or her successor, or his or her earlier death, resignation, or removal. Any increase or decrease in the number of directors will be distributed among the three classes so that, as nearly as possible, each class will consist of one-third of the directors.
This classification of our board of directors may have the effect of delaying or preventing changes in control of our company.
Director Independence
Our board of directors has undertaken a review of the independence of each director. Based on information provided by each director concerning his or her background, employment, and affiliations, our board of directors has determined that Messrs. Braccia, O’Farrell, Palihapitiya, and Smith and Mmes. Cooper and Friar do not have a relationship that would interfere with the exercise of independent judgment in carrying out the responsibilities of a director and that each of these directors is “independent” as that term is defined under the applicable rules and regulations of the SEC and the listing standards of the NYSE. In making these determinations, our board of directors considered the current and prior relationships that each non-employee director has with our company and all other facts and circumstances our board of directors deemed relevant in determining their independence, including the beneficial ownership of our capital stock by each non-employee director, and the transactions involving them described in the section titled “Certain Relationships and Related Party Transactions.”
Lead Independent Director
Our board of directors has adopted, effective prior to the effectiveness of the registration statement of which this prospectus forms a part, corporate governance guidelines that provide that one of our independent directors will serve as our lead independent director for so long as we have a non-independent chairperson. Our board of directors has appointed Mr. O’Farrell to serve as our lead independent director. As lead independent director, Mr. O’Farrell will preside over periodic meetings of our independent directors, serve as a liaison between the Chairperson of our board

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of directors and the independent directors and perform such additional duties as our board of directors may otherwise determine and delegate.
Committees of the Board of Directors
Our board of directors has established an audit and risk committee, a compensation committee, and a nominating and corporate governance committee. The composition and responsibilities of each of the committees of our board of directors are described below. Members will serve on these committees until their resignation or until as otherwise determined by our board of directors.
Audit and Risk Committee
Our audit and risk committee consists of Ms. Friar, Mr. O’Farrell, and Mr. Smith, with Mr. Smith serving as Chairperson. The composition of our audit and risk committee meets the requirements for independence under current NYSE listing standards and SEC rules and regulations. Each member of our audit and risk committee meets the financial literacy requirements of the NYSE listing standards. In addition, our board of directors has determined that each of Mr. Smith and Ms. Friar is an audit committee financial expert within the meaning of Item 407(d) of Regulation S-K under the Securities Act. Our audit and risk committee will, among other things:
select and hire a qualified firm to serve as the independent registered public accounting firm to audit our financial statements;
supervise and evaluate the independent registered public accounting firm;
evaluate the independence of the independent registered public accounting firm;
discuss the scope and results of the audit with the independent registered public accounting firm, and review, with management and the independent registered public accounting firm, our interim and year-end results of operations;
approve audited financial information and the audit and risk committee report;
oversee procedures for employees to submit concerns anonymously about questionable accounting or audit matters;
review major financial risk exposures and information security risk;
review related party transactions;
obtain and review a report by the independent registered public accounting firm at least annually, that describes our internal control procedures, any material issues with such procedures and any steps taken to deal with such issues;
review disclosure controls and procedures; and
approve (or, as permitted, pre-approve) all audit and all permissible non-audit services and fees, to be performed by the independent registered public accounting firm.
Our audit and risk committee operates under a written charter that satisfies the applicable rules of the SEC and the listing standards of the NYSE.
Compensation Committee
Our compensation committee consists of Ms. Cooper and Mr. Braccia, with Ms. Cooper serving as Chairperson. The composition of our compensation committee meets the requirements for independence under NYSE listing standards and SEC rules and regulations. Each member of the compensation committee is also a non-employee director, as defined pursuant to Rule 16b-3 promulgated under the Exchange Act. The purpose of our compensation committee

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is to discharge the responsibilities of our board of directors relating to compensation of our executive officers. Our compensation committee, among other things:
reviews, approves and determines, or makes recommendations to our board of directors regarding, the compensation of our executive officers;
administers our stock and equity incentive plans;
reviews and approves, or make recommendations to our board of directors regarding, incentive compensation and equity plans; and
establishes and reviews general policies relating to compensation and benefits of our employees.
Our compensation committee operates under a written charter that satisfies the applicable rules of the SEC and the listing standards of the NYSE.
Nominating and Corporate Governance Committee
Our nominating and corporate governance committee consists of Ms. Cooper and Mr. Smith, with Ms. Cooper serving as Chairperson. The composition of our nominating and corporate governance committee meets the requirements for independence under NYSE listing standards and SEC rules and regulations. Our nominating and corporate governance committee will, among other things:
identify, evaluate and select, or make recommendations to our board of directors regarding, nominees for election to our board of directors and its committees;
evaluate the performance of our board of directors and of individual directors;
consider and make recommendations to our board of directors regarding the composition of our board of directors and its committees;
review developments in corporate governance practices;
evaluate the adequacy of our corporate governance practices and reporting; and
develop and make recommendations to our board of directors regarding corporate governance guidelines and matters.
The nominating and corporate governance committee operates under a written charter that satisfies the applicable listing requirements and rules of the NYSE.
Role of Board of Directors in Risk Oversight
Our board of directors has responsibility for the oversight of our risk management and, either as a whole or through the audit and risk committee, regularly discusses with management our major risk exposures, their potential impact on our business and the steps we take to manage them. The risk oversight process includes receiving regular reports from the audit and risk committee and members of senior management to enable our board of directors to understand our risk identification, risk management and risk mitigation strategies with respect to areas of potential material risk, including operations, finance, legal, regulatory, cybersecurity, strategic, and reputational risk.
Compensation Committee Interlocks and Insider Participation
None of the members of our compensation committee is or has been an officer or employee of our company. None of our executive officers currently serves, or in the past year has served, as a member of the board of directors or compensation committee of any entity that has one or more executive officers serving on our board of directors or compensation committee. See the section titled “Certain Relationships and Related Party Transactions” for information about related party transaction involving members of our compensation committee or their affiliates.

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Non-Employee Director Compensation
Other than as set forth in the table and described more fully below, we did not pay any compensation or make any equity awards or non-equity awards to any of our non-employee directors during fiscal year 2019. Directors may be reimbursed for travel and other expenses directly related to their activities as directors. Directors who also serve as employees receive no additional compensation for their service as directors. During fiscal year 2019, Mr. Butterfield, our Chief Executive Officer, was a member of our board of directors, as well as an employee, and received no additional compensation for his services as a director. See the section titled “Executive Compensation” for more information about Mr. Butterfield’s compensation for fiscal year 2019. The following table presents the total compensation for each person who served as a non-employee director during fiscal year 2019.
Name
 
Stock Awards ($) (1)
 
Total ($)
Andrew Braccia, Edith Cooper, John O’Farrell, Chamath Palihapitiya (2)
 
 
Sarah Friar (3)
 
3,024,827
 
3,024,827
Graham Smith (4)
 
1,751,400
 
1,751,400
__________________
(1)
The amounts reported represent the aggregate grant date fair value of the restricted shares or restricted stock units awarded to the non-employee directors during fiscal year 2019, calculated in accordance with FASB ASC Topic 718. Such grant date fair value does not take into account any estimated forfeitures. The assumptions used in calculating the grant date fair value of the awards reported in this column are set forth in the notes to our consolidated financial statements included elsewhere in this prospectus. The amounts reported in this column reflect the accounting cost for these awards and does not correspond to the actual economic value that may be received by the director upon the sale of any of the underlying shares of Class B common stock.
(2)
Messrs. Braccia, O’Farrell, and Palihapitiya and Ms. Cooper did not receive any compensation for fiscal year 2019.
(3)
In October 2018, we granted a restricted stock award for 406,017 shares of our Class B common stock outside of our 2009 Plan to Ms. Friar through the David Riley and Sarah Friar Revocable Trust dated August 11, 2006. The restricted shares vest in 16 equal quarterly installments commencing on June 8, 2017, subject to Ms. Friar’s continuous service on each such date. Upon Ms. Friar’s service to us through a change in control, 100% of the restricted shares shall immediately vest.
(4)
Mr. Smith was elected to our board of directors in December 2018 and was granted a restricted stock unit award for 210,000 shares of our Class B common stock under our 2009 Plan. The restricted stock units vest upon the satisfaction of both a time condition and performance vesting. The time condition is satisfied over a four year period, with 25% vesting in December 2019, and the remaining 75% time-vesting in 12 equal quarterly installments thereafter, subject to Mr. Smith’s continuous service on each such date. The performance vesting will be achieved upon the first to occur of (i) a change in control of the company, (ii) the initial public offering of our securities, or (iii) the listing and public trading of our Class A common stock on the NYSE. Upon Mr. Smith’s service to us through a change in control, 100% of the restricted stock units shall immediately satisfy the time condition.
As of January 31, 2019, Ms. Cooper held 273,428 restricted stock units, Ms. Friar held 228,385 shares of restricted stock that are subject to a risk of forfeiture through the David Riley and Sarah Friar Revocable Trust dated August 11, 2006, and Mr. Smith held 210,000 restricted stock units. None of the other non-employee directors held equity awards as of January 31, 2019.

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Prior to the effectiveness of the registration statement of which this prospectus forms a part, we did not have a formal policy to compensate our non-employee directors. Immediately prior to the effectiveness of the registration statement of which this prospectus forms a part, we intend to implement a formal policy pursuant to which our non-employee directors will be eligible to receive the following cash retainers and equity awards.
Annual Retainer for Board Membership
 
Annual service on the board of directors
$
35,000

Annual service on the board of directors as lead independent director
$
20,000

Additional Annual Retainer for Committee Membership
 
Annual service as member of the audit and risk committee (other than chair)
$
10,000

Annual service as chair of the audit and risk committee
$
20,000

Annual service as member of the compensation committee (other than chair)
$
7,500

Annual service as chair of the compensation committee
$
15,000

Annual service as member of the nominating and corporate governance committee (other than chair)
$
4,000

Annual service as chair of the nominating and corporate governance committee
$
8,000

Our policy will provide that each non-employee director elected to our board of directors after the effectiveness of this registration statement of which this prospectus forms a part, upon initial election to our board of directors, will be granted RSUs having a fair market value of $300,000, or the Initial Grant. In addition, on the date of each of our annual meetings of stockholders following the completion of the effectiveness of the registration statement of which this prospectus forms a part, each non-employee director who will continue as a non-employee director following such meeting will be granted an annual award of RSUs having a fair market value of $180,000, or the Annual Grant. The Initial Grant will vest in three equal annual installments on each anniversary date on which the non-employee director was appointed to our board for directors, subject to continued service as a director through each applicable vesting date. The Annual Grant will vest in full on the earlier of (i) the first anniversary of the grant date or (ii) our next annual meeting of stockholders, subject to continued service as a director through the applicable vesting date. In addition, all such awards are subject to full accelerated vesting upon the sale event of our company (as defined in the policy).
Employee directors will receive no additional compensation for their service as a director.
We will reimburse all reasonable out‑of‑pocket expenses incurred by directors for their attendance at meetings of our board of directors or any committee thereof.

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EXECUTIVE COMPENSATION
Overview
The following discussion contains forward-looking statements that are based on our current plans, considerations, expectations, and determinations regarding future compensation programs. The actual amount and form of compensation and the compensation policies and practices that we adopt in the future may differ materially from currently planned programs as summarized in this discussion.
As an “emerging growth company,” we have opted to comply with the executive compensation disclosure rules applicable to “smaller reporting companies,” as such term is defined in the rules promulgated under the Securities Act. This section provides an overview of the compensation awarded to, earned by, or paid to each individual who served as our principal executive officer during fiscal year 2019, and our next two most highly compensated executive officers in respect of their service to our company for fiscal year 2019. We refer to these individuals as our named executive officers. Our named executive officers for fiscal year 2019 are:
Stewart Butterfield, our Chief Executive Officer;
Robert Frati, our Senior Vice President of Sales and Customer Success; and
Allen Shim, our Chief Financial Officer.
Our executive compensation program is based on a pay for performance philosophy. Compensation for our executive officers is comprised primarily of the following main components: base salary, bonus (or commissions), and equity incentives in the form of restricted stock or RSU awards. Our executive officers, like all full-time employees, are eligible to participate in our health and welfare benefit plans. As we transition from a private company to a publicly traded company, we intend to evaluate our compensation philosophy and compensation plans and arrangements as circumstances require.
2019 Summary Compensation Table
The following table provides information regarding the total compensation, for services rendered in all capacities, that was earned by our named executive officers during fiscal year 2019.
Name and principal position
 
Year
 
Salary
($)
 
Stock Awards ($) (1)
 
Non-Equity Incentive Plan Compensation
($)
(2)
 
All Other Compensation ($) (3)
 
Total
($)
Stewart Butterfield
Chief Executive Officer (4)
 
2019

 
356,952

(5)  
 
9,798,113

 
136,715

 
55,466

 
10,347,246

Robert Frati
SVP of Sales and Customer Success
 
2019

 
450,000

 
 
758,840

 
331,087

 
4,000

 
1,543,927

Allen Shim
Chief Financial Officer
 
2019

 
320,000

 
 
3,357,900

 
122,880

 
4,094

 
3,804,874

__________________
(1)
The amounts reported represent the aggregate grant date fair value of the restricted stock or restricted stock units awarded to the named executive officers during fiscal year 2019, calculated in accordance with FASB ASC Topic 718. Such grant date fair value does not take into account any estimated forfeitures. The assumptions used in calculating the grant date fair value of the awards reported in this column are set forth in the notes to our consolidated financial statements included elsewhere in this prospectus. The amounts reported in this column reflect the accounting cost for these awards and does not correspond to the actual economic value that may be received by the officer upon the sale of any of the underlying shares of Class B common stock.
(2)
The amounts represent annual cash bonuses earned by Mr. Butterfield and Mr. Shim based on the achievement of company and individual performance objectives. For Mr. Frati, the amount reflects quarterly commissions earned by Mr. Frati under our sales incentive plan, or Sales Incentive Plan.
(3)
The amounts reported represent 401(k) company matching contributions for Mr. Frati and Mr. Shim. For Mr. Butterfield, the amount reported represents $29,438 in travel and housing costs, $24,953 as a tax gross-up for the aforementioned costs, and $1,075 in 401(k) company matching contributions.
(4)
From February 1, 2018 through June 30, 2018 as well as the month of September 2018, Mr. Butterfield was compensated in Canadian dollars for an aggregate amount of CAD$154,006, which has been converted into U.S. dollars based on the exchange rate at the applicable points in time that such compensation was paid (such exchange rate obtained from Xignite) to $119,637.
(5)
Mr. Butterfield’s base salary was increased to $430,000 on July 1, 2018.

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Narrative to Summary Compensation Table
Base Salaries
We use base salaries to recognize the experience, skills, knowledge, and responsibilities required of all our employees, including our named executive officers. Base salaries are reviewed annually, typically in connection with our annual performance review process, and adjusted from time to time to realign salaries with market levels after taking into account individual responsibilities, performance, and experience. For fiscal year 2019, the annual base salary for Mr. Butterfield was $234,949 (which is equal to CAD$320,000 converted into U.S. dollars using an exchange rate of CAD$1.362 for each U.S. dollar) until June 30, 2018, and $430,000 on and after July 1, 2018, and for Messrs. Frati and Shim $450,000 and $320,000, respectively.
Annual Bonuses and Commissions
From time to time, our board of directors may approve annual bonuses for our named executive officers based on individual performance, company performance, or as otherwise determined to be appropriate. In fiscal year 2019, Messrs. Butterfield and Shim were both eligible for an annual cash bonus equal to 40% of their base salary based upon company and individual performance. In fiscal year 2019, Mr. Frati participated in the Sales Incentive Plan, which provided quarterly commission payments based upon our attainment of certain revenue targets, paid shortly after attainment of the relevant target.
Equity Compensation
Although we do not have a formal policy with respect to the grant of equity incentive awards to our executive officers, we believe that equity grants provide our executives with a strong link to our long-term performance, create an ownership culture, and help to align the interests of our executives and our stockholders. In addition, we believe that equity grants with a time-based vesting feature promote executive retention because this feature incentivizes our executive officers to remain in our employment during the vesting period. Accordingly, our board of directors periodically reviews the equity incentive compensation of our named executive officers and from time to time may grant equity incentive awards to them. During fiscal year 2019, we granted restricted stock to Mr. Butterfield and restricted stock units to Messrs. Frati and Shim, as described in more detail in the “Outstanding Equity Awards at Fiscal Year-End 2019” table below.
In February 2019, our board of directors approved equity awards to our employees, including the named executive officers. Mr. Butterfield received a restricted stock award for 295,000 shares of our Class B common stock, which vests in 16 equal quarterly installments commencing February 1, 2019 subject to his continued service to us through each vesting date. Mr. Frati and Mr. Shim received an award for 250,000 and 220,000 restricted stock units, respectively, and a stock option to purchase 114,000 and 78,000 shares of our Class B common stock, respectively. The restricted stock units vest upon the satisfaction of both a time-based condition and a performance-based condition. The performance-based condition will be satisfied on the first to occur of (i) a change in control, (ii) the initial public offering of our securities, or (iii) the listing and public trading of our Class A common stock on the NYSE. The time-based condition is satisfied over a four-year period in 16 equal quarterly installments commencing February 1, 2019, subject to the applicable named executive officer’s continued service to us through each such vesting date. The stock options vest in 24 equal quarterly installments following February 1, 2019 subject to the named executive officer’s continued service to us through each such vesting date.
Executive Employment Arrangements
Executive Employment Arrangements
Below are descriptions of our current offer letters with our named executive officers.
Stewart Butterfield
Prior to and during fiscal year 2019, we had not entered into an offer letter or employment agreement with Mr. Butterfield. On March 7, 2019, we entered into an offer letter with Mr. Butterfield to continue to serve as our Chief Executive Officer. The offer letter provides for Mr. Butterfield’s at-will employment and an annual base salary of

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$430,000, target bonus set at 40% of his adjusted base salary for fiscal year 2019 and 60% of his adjusted base salary for fiscal year 2020, and his eligibility to participate in our benefit plans generally. Mr. Butterfield is subject to our standard confidential information, invention assignment and arbitration agreement.
Robert Frati
On March 23, 2016, we entered into an offer letter with Mr. Frati, who currently serves as our Senior Vice President of Sales and Customer Success. The offer letter provides for Mr. Frati’s at-will employment and an annual base salary of $420,000, target bonus of $280,000, and an initial RSU grant, as well as his eligibility to participate in our benefit plans generally. Pursuant to his offer letter, we also provided Mr. Frati with a one-time signing bonus in the amount of $250,000, and we agreed to provide Mr. Frati with reimbursement of his moving expenses, up to a maximum aggregate amount of $75,000. Mr. Frati is subject to our standard confidential information, invention assignment and arbitration agreement.
Allen Shim
On March 9, 2014, we entered into an offer letter with Mr. Shim, who currently serves as our Chief Financial Officer. The offer letter provided for Mr. Shim’s at-will employment and an initial annual base salary of $200,000 and an initial stock option grant, as well as his eligibility to participate in our benefit plans generally. Mr. Shim is subject to our standard confidential information, invention assignment and arbitration agreement.
Executive Severance Plan
In connection with the effectiveness of the registration statement of which this prospectus forms as part, we adopted an executive severance plan, in which our named executive officers, and certain other executives, will participate. Our executive severance plan, or the Executive Severance Plan, will provide that upon a (i) termination by us for any reason other than for “cause,” as defined in the Executive Severance Plan, death or disability or (ii) a resignation for “good reason,” as defined in the Executive Severance Plan, in each case outside of the change in control period (i.e., the period beginning on and ending 12 months after, a “change in control,” as defined in the Executive Severance Plan), an eligible participant will be entitled to receive, subject to the execution and delivery of an effective release of claims in favor of the Company, (i) a lump sum cash payment equal to 12 months of base salary for our Chief Executive Officer and 6 months of base salary for the other participants, and (ii) a monthly cash payment equal to our contribution towards health insurance for up to 12 months for our Chief Executive Officer and up to 6 months for the other participants.
The Executive Severance Plan will also provide that upon a (i) termination by us other than for cause, death or disability or (ii) a resignation for good reason, in each case within the change in control period, an eligible participant will be entitled to receive, in lieu of the payments and benefits above and subject to the execution and delivery of an effective release of claims in favor of the Company, (i) a lump sum cash payment equal to 12 months of base salary for all participants, (ii) a monthly cash payment equal to our contribution towards health insurance for up to 12 months for all participants, (iii) accelerated vesting of certain outstanding and unvested equity award held by such participant; provided, that any unvested and outstanding equity awards subject to performance conditions will be deemed satisfied at the higher of target levels specified in the applicable award agreements or actual achievement, and (iv) a lump sum cash amount equal to the participant’s pro-rated annual target bonus.
The payments and benefits provided under the Executive Severance Plan in connection with a change in control may not be eligible for a federal income tax deduction by us pursuant to Section 280G of the Code. These payments and benefits may also subject an eligible participant, including the named executive officers, to an excise tax under Section 4999 of the Code. If the payments or benefits payable in connection with a change in control would be subject to the excise tax imposed under Section 4999 of the Code, then those payments or benefits will be reduced if such reduction would result in a higher net after-tax benefit to the recipient.

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Outstanding Equity Awards at Fiscal Year-End 2019
The following table sets forth information regarding outstanding equity awards held by our named executive officers as of January 31, 2019:
 
 
 
 
Option Awards
 
Stock Awards (1)
Name
 
Grant Date
 
Vesting Commencement Date
 
Number of
Securities
Underlying
Unexercised
Options
(#)
Exercisable
 
Number of
Securities
Underlying
Unexercised
Options
(#)
Unexercisable
 
Option
Exercise
Price
($)
 
Option
Expiration
Date
 
Number of Shares or Units of Stock That Have Not Vested
(#)
 
Market Value of Shares or Units of Stock That Have Not Vested
($)
(2)
Stewart Butterfield
 
06/08/2016 (3)
 
10/1/2017
 
 
 
 
 
3,050,680
 
32,215,181
 
 
10/28/2018 (4)
 
7/1/2019
 
 
 
 
 
1,315,183
 
13,888,332
Robert Frati
 
06/08/2016 (5)
 
5/1/2017
 
 
 
 
 
682,080
 
7,202,765
 
 
06/20/2018 (6)
 
5/1/2018
 
 
 
 
 
40,000
 
865,920
 
 
06/20/2018 (6)
 
8/1/2018
 
 
 
 
 
82,000
 
422,400
Allen Shim
 
05/21/2014 (7)
 
 
588,605
 
 
0.14
 
5/21/2024
 
 
 
 
02/17/2016 (8)
 
3/1/2016
 
 
 
 
 
31,243
 
329,926
 
 
04/06/2016 (6)
 
7/1/2016
 
 
 
 
 
122,026
 
1,288,595
 
 
05/10/2017 (6)
 
6/1/2017
 
 
 
 
 
150,000
 
1,584,000
 
 
02/21/2018 (6)
 
5/1/2018
 
 
 
 
 
682,500
 
7,207,200
__________________
(1)
As further described in the footnotes below, the RSUs granted pursuant to our 2009 Plan will vest upon the satisfaction of both a time-based condition and a performance-based condition before the award’s expiration date. The performance-based condition will be satisfied on the first to occur of (i) a change in control, (ii) the initial public offering of our securities, or (iii) the listing and public trading of our Class A common stock on the NYSE. The expiration date is seven years from the Grant Date. Any RSUs that have satisfied the time-based condition at the time of the named executive officer’s termination of service remain eligible for vesting upon the achievement of the performance-based condition prior to the expiration date of the award.
(2)
The amounts represent the number of shares underlying the RSUs or restricted stock multiplied by the value of a share of our Class B common stock on January 31, 2019, which was $10.56 per share.
(3)
The time-based condition of the award vests as follows: 4.286% of the RSUs subject to the award satisfy the time-based condition each quarter commencing on the vesting commencement date, subject to Mr. Butterfield continuing to provide service to us on such date. Upon the effectiveness of the registration statement of which this prospectus forms a part, the time-based condition shall be automatically adjusted as follows: 7.5% of the RSUs subject to the award shall satisfy the time-based condition on the applicable quarterly vesting date, subject to Mr. Butterfield continuing to provide service to us on such dates. If Mr. Butterfield is subject to a termination without “cause” or resignation for “good reason” (as each term is defined in his stock purchase agreement dated March 17, 2009) within 12 months after a change in control (as defined in the award agreement), 100% of the RSUs shall immediately satisfy the time-based condition as of such termination date.
(4)
This award represents an award for restricted stock under our 2009 Plan. With respect to such award, 1/6th of the shares shall vest and no longer be subject to our right of repurchase on the vesting commencement date, subject to Mr. Butterfield continuing to provide service to us through such date. Following such date, 1/24th of the shares shall vest and no longer be subject to our right of repurchase on each quarter thereafter, subject to Mr. Butterfield continuing to provide service to us through each such date. In addition, if Mr. Butterfield is subject to a termination without “cause” or resignation for “good reason” (as each term is defined in his stock purchase agreement dated March 17, 2009) within 12 months after a change in control (as defined in the award agreement), 100% of the shares shall vest and no longer be subject to our right of repurchase immediately upon such termination date.
(5)
The time-based condition of the award vests as follows: 25% of the RSUs subject to the award vest on the first anniversary of the vesting commencement date and the remaining 75% of the RSUs vest in 12 equal quarterly installments thereafter, subject to Mr. Frati continuing to provide service to us through each such vesting date.
(6)
The time-based condition of the award vests as follows: the RSUs subject to the award vest in 16 equal quarterly installments commencing on the vesting commencement date, subject to the named executive officer continuing to provide service to us through each such vesting date.
(7)
Mr. Shim’s stock option was granted pursuant to our 2009 Plan and all of the shares are fully vested.
(8)
This award represents an award for restricted stock under our 2009 Plan. With respect to such award, 1/48 th of the shares vest and are no longer subject to our right of repurchase commencing on the vesting date, subject to Mr. Shim continuing to provide service to us through each such vesting date. The shares were transferred by Mr. Shim to the Shim-Park Family Revocable Trust on November 28, 2016.
Employee Benefits and Stock Plans
2019 Stock Option and Incentive Plan
Our 2019 Plan was adopted by our board of directors in April 2019 and approved by our stockholders in May 2019, and shall become effective immediately prior to the effectiveness of the registration statement of which this prospectus forms a part. The 2019 Plan will replace the 2009 Plan, as our board of directors has determined not to make additional

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awards under the 2009 Plan following the effectiveness of the registration statement of which this prospectus forms a part. However, the 2009 Plan will continue to govern outstanding equity awards granted thereunder. The 2019 Plan will allow the compensation committee to make equity-based incentive awards to our officers, employees, directors, and other key persons, including consultants.
Authorized Shares. We have initially reserved 60,200,000 shares of our Class A common stock for the issuance of awards under the 2019 Plan. The 2019 Plan provides that the number of shares reserved and available for issuance under the 2019 Plan will automatically increase each February 1, beginning on February 1, 2020, by 5% of the outstanding number of shares of our Class A and Class B common stock on the immediately preceding January 31 or such lesser number of shares as determined by our compensation committee. This number is subject to adjustment in the event of a stock split, stock dividend, or other change in our capitalization. The shares we issue under the 2019 Plan will be authorized but unissued shares or shares that we reacquire. The shares of Class A and Class B common stock underlying any awards that are forfeited, canceled, held back upon exercise, or settlement of an award to satisfy the exercise price or tax withholding, reacquired by us prior to vesting, satisfied without the issuance of stock, expire, or are otherwise terminated, other than by exercise, under the 2019 Plan and the 2009 Plan will be added back to the shares of Class A common stock available for issuance under the 2019 Plan (provided that any such shares of Class B common stock will first be converted into shares of Class A common stock). The maximum number of shares of Class A common stock that may be issued as incentive stock options in any one calendar year period may not exceed 60,200,000 shares cumulatively increased on February 1, 2020 and on each February 1 thereafter by the lesser of 5% of the number of outstanding shares of Class A and Class B common stock as of the immediately preceding January 31, or 12,040,000 shares. The value of all awards issued under the 2019 Plan and all other cash compensation paid by us to any non‑employee director in any calendar year cannot exceed $1,000,000 .
Administration. The 2019 Plan will be administered by our compensation committee. Our compensation committee will have full power to select, from among the individuals eligible for awards, the individuals to whom awards will be granted, to make any combination of awards to participants, and to determine the specific terms and conditions of each award, subject to the provisions of the 2019 Plan.
Eligibility. Persons eligible to participate in the 2019 Plan will be those employees, non-employee directors, and consultants, as selected from time to time by our compensation committee in its discretion.
Options. The 2019 Plan permits the granting of both options to purchase Class A common stock intended to qualify as incentive stock options under Section 422 of the Code and options that do not so qualify. The option exercise price of each option will be determined by our compensation committee but may not be less than 100% of the fair market value of our Class A common stock on the date of grant unless the option is granted (i) pursuant to a transaction described in, and in a manner consistent with, Section 424(a) of the Code or (ii) to individuals who are not subject to U.S. income tax. The term of each option will be fixed by our compensation committee and may not exceed 10 years from the date of grant. Our compensation committee will determine at what time or times each option may be exercised.
Stock Appreciation Rights. Our compensation committee will be able to award stock appreciation rights subject to such conditions and restrictions as it may determine. Stock appreciation rights entitle the recipient to shares of Class A common stock, or cash, equal to the value of the appreciation in our stock price over the exercise price. The exercise price may not be less than 100% of the fair market value of our Class A common stock on the date of grant. The term of each stock appreciation right will be fixed by our compensation committee and may not exceed 10 years from the date of grant. Our compensation committee will determine at what time or times each stock appreciation right may be exercised.
Restricted Stock and Restricted Stock Units. Our compensation committee will be able to award restricted shares of Class A common stock and restricted stock units to participants subject to such conditions and restrictions as it may determine. These conditions and restrictions may include the achievement of certain performance goals and/or continued employment with us through a specified vesting period.
Unrestricted Stock Awards. Our compensation committee will also be able to grant shares of Class A common stock that are free from any restrictions under the 2019 Plan. Unrestricted stock may be granted to participants in recognition of past services or for other valid consideration and may be issued in lieu of cash compensation due to such participant.

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Dividend Equivalent Rights. Our compensation committee will be able to grant dividend equivalent rights to participants that entitle the recipient to receive credits for dividends that would be paid if the recipient had held a specified number of shares of common stock.
Cash-Based Awards. Our compensation committee will be able to grant cash bonuses under the 2019 Plan to participants, subject to the achievement of certain performance goals.
Sale Event. The 2019 Plan provides that upon the effectiveness of a “sale event,” as defined in the 2019 Plan, an acquirer or successor entity may assume, continue, or substitute for the outstanding awards under the 2019 Plan. To the extent that awards granted under the 2019 Plan are not assumed, continued, or substituted by the successor entity, all unvested awards granted under the 2019 Plan shall terminate. In such case, except as may be otherwise provided in the relevant award agreement, all options and stock appreciation rights with time-based vesting, conditions, or restrictions that are not exercisable immediately prior to the sale event will become fully exercisable as of the sale event, all other awards with time-based vesting, conditions, or restrictions will become fully vested and nonforfeitable as of the sale event, and all awards with conditions and restrictions relating to the attainment of performance goals may become vested and nonforfeitable in connection with the sale event in the plan administrator’s discretion or to the extent specified in the relevant award agreement. In the event of such termination, individuals holding options and stock appreciation rights will be permitted to exercise such options and stock appreciation rights (to the extent exercisable) prior to the sale event. In addition, in connection with the termination of the 2019 Plan upon a sale event, we may make or provide for a cash payment to participants holding vested and exercisable options and stock appreciation rights equal to the difference between the per share cash consideration payable to stockholders in the sale event and the exercise price of the options or stock appreciation rights.
Amendment. Our board of directors will be able to amend or discontinue the 2019 Plan and our compensation committee will be able to amend or cancel outstanding awards for purposes of satisfying changes in law or any other lawful purpose, but no such action may adversely affect rights under an award without the holder’s consent. The compensation committee is specifically authorized to exercise its discretion to reduce the exercise price of outstanding stock options or stock appreciation rights or effect the repricing of such awards through cancellation and re-grants. Certain amendments to the 2019 Plan will require the approval of our stockholders.
No awards may be granted under the 2019 Plan after the date that is 10 years from the date of stockholder approval of the 2019 Plan. No awards under the 2019 Plan have been made prior to the date hereof.
2009 Stock Plan, as amended
Our board of directors adopted, and our stockholders approved, our 2009 Plan in June 2009. Our 2009 Plan was most recently amended in May 2019. Our 2009 Plan allows for the grant of incentive stock options to our employees and any of our parent and subsidiary corporations’ employees, and for the grant of nonqualified stock options and restricted stock unit awards and the direct award or sale of shares to employees, officers, directors, and consultants of ours and our parent and subsidiary corporations.
Authorized Shares. No shares will be available for future issuance under the 2009 Plan following the effectiveness of the registration statement of which this prospectus forms a part. However, our 2009 Plan will continue to govern outstanding awards granted thereunder. As of January 31, 2019, options to purchase 18,405,776 shares of our Class B common stock remained outstanding under our 2009 Plan at a weighted-average exercise price of approximately $0.9428 per share and 63,113,635 restricted stock units also remained outstanding.
Administration. Our board of directors currently administers our 2009 Plan. Subject to the provisions of our 2009 Plan, the administrator has full authority and discretion to take any actions it deems necessary or advisable for the administration of our 2009 Plan. Our board is specifically authorized to exercise its discretion to reduce the exercise price of outstanding stock options or stock appreciation rights or effect the repricing of such awards through cancellation and re-grants without stockholder approval.
Options. Stock options may be granted under our 2009 Plan. The exercise price per share of all options must equal at least 100% of the fair market value per share of our Class B common stock on the date of grant. The term of an incentive stock option may not exceed 10 years. An incentive stock option granted to a participant who owns more

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than 10% of the total combined voting power of all classes of our outstanding stock, or any parent or subsidiary corporations’, on the date of grant may not be exercisable after the expiration of five years from the date of grant and must have an exercise price of at least 110% of the fair market value per share of our Class B common stock on the date of grant. The administrator will determine the methods of payment of the exercise price of an option, which may include cash or cash equivalents, surrender of stock or certain other forms of payment acceptable to the administrator and permitted by the Delaware General Corporation Law.
Stock Awards. Our 2009 Plan also allows for the grant or purchase of shares of Class B common stock subject to such conditions and restrictions as our board may determine. These conditions and restrictions may include the achievement of certain performance goals and/or continued employment with us through a specified vesting period.
RSUs. RSUs may be granted under our 2009 Plan. An RSU is an award that covers a number of shares of our Class B common stock that may be settled upon vesting in cash or shares of our Class B common stock. The administrator determines the terms and conditions of RSUs, including the number of units granted and the vesting criteria (which may include achievement of pre-established performance goals or continued service to us).
Transferability or Assignability of Awards. Our awards are subject to transfer restrictions as the administrator may determine. In addition, options are transferable only by a beneficiary designation, a will, or the laws of descent and distribution. Nonstatutory options may also be transferable by gift or domestic relations order to an immediate family member. In addition, incentive stock options may be exercised during the lifetime of the optionee only by the optionee or by the optionee’s guardian or legal representative.
Certain Adjustments. In the event of certain changes in our capitalization, the number of shares available for future grants, the number of shares covered by each outstanding equity grant and the exercise price under each outstanding option will be proportionately adjusted.
Mergers and Consolidations. The 2009 Plan provides that in the event that we are a party to a merger or consolidation, all shares acquired under our 2009 Plan and all outstanding awards shall be subject to the agreement of merger or consolidation, or, in the event such transaction does not entail an agreement to which we are a party, as determined by the administrator of the 2009 Plan, in either case, all outstanding awards need not be treated in an identical manner. Such agreement, without the optionees’, grantees’, or purchasers’ consent, may provide for one or more of the following with respect to each award that is outstanding as of the effective date of such merger or consolidation: (i) the continuation of the option, RSU, or award by the Company (if the Company is the surviving corporation), (ii) the assumption or substitution of the option by the surviving corporation or its parent in a manner that complies with Section 424(a) of the Code, (iii) the cancellation of options and a payment to the optionees equal to the excess of (A) the fair market value of the shares subject to such options as of the effective date of such merger or consolidation over (B) their exercise price, (iv) the cancellation of such options without payment of any consideration, (v) the assumption of RSUs, or substitution of a new RSU, by the surviving corporation or its parent with an equitable or proportionate adjustment to the amount and kind of shares subject thereto, (vi) the cancellation of RSUs and a payment to the grantee with respect to each share subject to the portion of the RSUs that are vested as of the effective date of such merger or consolidation (including those RSUs that become vested as a result of such transaction) equal to the fair market value of such shares, (vii) suspension of the right to exercise options for a limited period of time prior to the closing of a merger or consolidation transaction, or (viii) termination of the right to exercise options unvested as of the closing of a merger or consolidation transaction.
Our board of directors has determined that no further awards shall be made pursuant to the 2009 Plan after the effectiveness of the registration statement of which this prospectus forms a part. Following the effectiveness of the registration statement of which this prospectus forms a part, we expect to make future awards under the 2019 Plan.
2019 Employee Stock Purchase Plan
Our ESPP was adopted by our board of directors in April 2019 and approved by our stockholders in May 2019 and shall become effective immediately prior to the effectiveness of the registration statement of which this prospectus forms a part. The ESPP will initially reserve and authorize the issuance of up to a total of 9,000,000 shares of Class A common stock to participating employees. The ESPP will provide that the number of shares reserved and available for issuance will automatically increase each February 1, beginning on February 1, 2020, by the lesser of 6,000,000 shares

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of our Class A common stock, 1% of the outstanding number of shares of our Class A and Class B common stock on the immediately preceding January 31, or such lesser number of shares as determined by our compensation committee. This number will be subject to adjustment in the event of a stock split, stock dividend, or other change in our capitalization.
All employees who work for entities designated as participating in the ESPP will be eligible to participate in the ESPP. Any employee who owns 5% or more of the total combined voting power or value of all classes of stock will not be eligible to purchase shares under the ESPP.
We will make one or more offerings, consisting of one or more purchase periods, each year to our employees to purchase shares under the ESPP. The first offering will begin on the date that our Class A common stock is first publicly traded on the NYSE and, unless otherwise determined by the administrator of the ESPP, will end on October 9, 2019. Each eligible employee as of the date that our Class A common stock is first publicly traded on the NYSE will be deemed to be a participant in the ESPP at that time and must authorize payroll deductions or other contributions by submitting an enrollment form by the deadline specified by the plan administrator. Unless otherwise determined by the plan administrator, subsequent offerings will usually begin every six months and will continue for six-month periods, referred to as offering periods. If an offering period contains more than one purchase period, and if the fair market value of our Class A common stock on the exercise date is less than the fair market value on the first trading day of the offering period, participants will be withdrawn from the current offering period following their purchase of our Class A common stock on the purchase date and will be automatically re-enrolled in a new offering period. Each eligible employee may elect to participate in any subsequent offering by submitting an enrollment form by the deadline specified by the plan administrator.
Each employee who is a participant in the ESPP may purchase shares by authorizing contributions of up to 15% of his or her compensation during an offering period. Unless the participating employee has previously withdrawn from the offering, his or her accumulated contributions will be used to purchase shares on the last business day of the purchase period at a price equal to 85% of the fair market value of the shares on the first business day of the offering period or the business day prior to the last business day of the purchase period, whichever is lower, provided that no more than 1,250 shares of Class A common stock (or a lesser number as established by the plan administrator in advance of the purchase period) may be purchased by any one employee during each purchase period. Under applicable tax rules, an employee may purchase no more than $25,000 worth of shares of Class A common stock, valued at the start of the offering period, under the ESPP for each calendar year in which a purchase right is outstanding.
The accumulated contributions of any employee who is not a participant on the last day of a purchase period will be refunded. An employee’s rights under the ESPP terminate upon voluntary withdrawal from the plan or when the employee ceases employment with us for any reason.
The ESPP may be terminated or amended by our board of directors at any time but shall automatically terminate on the 10 year anniversary of the effective date of the registration statement of which this prospectus forms a part. An amendment that increases the number of shares of Class A common stock that are authorized under the ESPP and certain other amendments will require the approval of our stockholders. The plan administrator may adopt subplans under the ESPP for employees of our non U.S. subsidiaries who may participate in the ESPP and may permit such employees to participate in the ESPP on different terms, to the extent permitted by applicable law.
Senior Executive Cash Incentive Bonus Plan
In April 2019, our board of directors adopted the Senior Executive Cash Incentive Bonus Plan, or the Bonus Plan. The Bonus Plan provides for cash bonus payments based upon the attainment of performance targets established by our compensation committee. The payment targets will be related to financial and operational measures or objectives with respect to our company, or corporate performance goals, as well as individual performance objectives.
Our compensation committee may select corporate performance goals from among but not limited to the following: achievement of cash flow (including, but not limited to, operating cash flow and Free Cash Flow); earnings before interest, taxes, depreciation, and amortization; net income (loss) (either before or after interest, taxes, depreciation, and/or amortization); changes in the market price of our common stock; economic value-added; acquisitions or strategic transactions, including licenses, collaborations, joint ventures, or promotion arrangements; operating income (loss);

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return on capital, assets, equity, or investment; total stockholder returns; productivity; expense efficiency; margins; operating efficiency; working capital; earnings (loss) per share of our common stock; sales or market shares; revenue; corporate revenue; operating income and/or net annual recurring revenue, any of which may be (A) measured in absolute terms or compared to any incremental increase, (B) measured in terms of growth, (C) compared to another company or companies or to results of a peer group, (D) measured against the market as a whole and/or as compared to applicable market indices, and/or (E) measured on a pre-tax or post-tax basis (if applicable).
Each executive officer who is selected to participate in the Bonus Plan will have a target bonus opportunity set for each performance period. The bonus formulas will be adopted in each performance period by the compensation committee and communicated to each executive. The corporate performance goals will be measured at the end of each performance period after our financial reports have been published or such other appropriate time as the compensation committee determines. If the corporate performance goals and individual performance objectives are met, payments will be made as soon as practicable following the end of each performance period. Subject to the rights contained in any agreement between the executive officer and us, an executive officer must be employed by us on the bonus payment date to be eligible to receive a bonus payment. The Bonus Plan also permits the compensation committee to approve additional bonuses to executive officers in its sole discretion and provides the compensation committee with discretion to adjust the size of the award as it deems appropriate to account for unforeseen factors beyond management’s control that affected corporate performance.
401(k) Plan
We maintain a tax-qualified retirement plan that provides eligible U.S. employees with an opportunity to save for retirement on a tax-advantaged basis. Plan participants are able to defer eligible compensation subject to applicable annual Code limits. We provide a matching contribution of 50% of employee contributions up to $4,000, which is 100% vested after one year of service. The 401(k) plan is intended to be qualified under Section 401(a) of the Code with the 401(k) plan’s related trust intended to be tax exempt under Section 501(a) of the Code. As a tax-qualified retirement plan, contributions to the 401(k) plan and earnings on those contributions are not taxable to the employees until distributed from the 401(k) plan.

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CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS
In addition to the compensation arrangements, including employment, termination of employment, and change in control arrangements, and indemnification arrangements, discussed, when required, in the sections titled “Management” and “Executive Compensation” and the registration rights described in the section titled “Description of Capital Stock—Registration Rights,” the following is a description of each transaction since February 1, 2016 and each currently proposed transaction in which:
we have been or are to be a participant;
the amount involved exceeded or exceeds $120,000; and
any of our directors, executive officers or holders of more than 5% of our capital stock, or any immediate family member of, or person sharing the household with, any of these individuals, had or will have a direct or indirect material interest.
Equity Financings
Series F and Series F-1 Convertible Preferred Stock Financing
On March 31, 2016, we sold an aggregate of 19,866,694 shares of our Series F convertible preferred stock at a purchase price of $7.802 per share, for an aggregate purchase price of $155.0 million and an aggregate of 6,793,130 shares of our Series F-1 convertible preferred stock at a purchase price of $7.802 per share, for an aggregate purchase price of $53.0 million, pursuant to our Series F and Series F-1 convertible preferred stock financing. The following table summarizes purchases of our Series F and Series F-1 convertible preferred stock by holders of more than 5% of our capital stock and their affiliated entities. None of our executive officers purchased shares of Series F or Series F-1 convertible preferred stock.
Stockholder
 
Shares of  
Series F
Convertible
Preferred Stock
 
Shares of  
Series F-1
Convertible
Preferred Stock
 
Total  
Purchase  
Price
Entities affiliated with Accel (1)
 

 
6,793,130

 
$
53,000,000

Entities affiliated with Social Capital (2)
 
2,550,628

 

 
19,900,000

__________________
(1)
Consists of Accel Growth Fund III L.P., Accel Growth Fund III Strategic Partners L.P., Accel Growth Fund Investors 2014 L.L.C., Accel Investors 2013 L.L.C., Accel XI L.P., and Accel XI Strategic Partners L.P. Andrew Braccia, a member of our board of directors, is a partner at Accel.
(2)
Consists of The Social+Capital Partnership Opportunities Fund, L.P. Chamath Palihapitiya, a member of our board of directors, is the Chief Executive Officer of Social Capital.

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Series G and Series G-1 Convertible Preferred Stock Financing
From October 2017 through December 2017, we sold an aggregate of 24,717,887 shares of our Series G convertible preferred stock at a purchase price of $9.305 per share, for an aggregate purchase price of $230.0 million and an aggregate of 2,149,382 shares of our Series G-1 convertible preferred stock at a purchase price of $9.305 per share, for an aggregate purchase price of $20.0 million, pursuant to our Series G and Series G-1 convertible preferred stock financing. The following table summarizes purchases of our Series G and Series G-1 convertible preferred stock by holders of more than 5% of our capital stock and their affiliated entities. None of our executive officers purchased shares of Series G or Series G-1 convertible preferred stock.
Stockholder
 
Shares of
Series G
Convertible
Preferred Stock
 
Shares of
Series G-1
Convertible
Preferred Stock
 
Total
Purchase
Price
Entities affiliated with Accel (1)
 
7,173,562

 

 
$
66,749,994

Entities affiliated with Social Capital (2)
 
322,407

 

 
2,999,997

SoftBank Vision Fund (AIV M1) L.P.
 
14,454,593

 

 
134,499,988

__________________
(1)
Consists of Accel Growth Fund Investors 2016 L.L.C., Accel Growth Fund IV L.P., Accel Growth Fund IV Strategic Partners L.P., Accel Leaders Fund Investors 2016 L.L.C., and Accel Leaders Fund L.P. Andrew Braccia, a member of our board of directors, is a partner at Accel.
(2)
Consists of The Social+Capital Partnership III, L.P., for itself and as nominee for The Social+Capital Partnership Principals Fund III, L.P. Chamath Palihapitiya, a member of our board of directors, is the Chief Executive Officer of Social Capital.
Series G-2 Convertible Preferred Stock Financing
On November 22, 2017, we sold an aggregate of 17,241,379 shares of our Series G-2 convertible preferred stock at a purchase price of $8.70 per share, for an aggregate purchase price of $150.0 million, pursuant to our Series G-2 convertible preferred stock financing. The following table summarizes purchases of our Series G-2 convertible preferred stock by holders of more than 5% of our capital stock and their affiliated entities. None of our executive officers purchased shares of Series G-2 convertible preferred stock.
Stockholder
 
Shares of  
Series G-2
Convertible
Preferred Stock
 
Total
Purchase
Price
SoftBank Vision Fund (AIV M1) L.P.
 
17,241,379

 
$
149,999,997

Series G-3 Convertible Preferred Stock Financing
On December 29, 2017, we sold an aggregate of 1,464,680 shares of our Series G-3 convertible preferred stock at a purchase price of $8.70 per share, for an aggregate purchase price of $12.7 million, pursuant to our Series G-3 convertible preferred stock financing. The following table summarizes purchases of our Series G-3 convertible preferred stock by holders of more than 5% of our capital stock and their affiliated entities. None of our executive officers purchased shares of Series G-3 convertible preferred stock.
Stockholder
 
Shares of  
Series G-3
Convertible
Preferred Stock
 
Total
Purchase
Price
SoftBank Vision Fund (AIV M1) L.P.
 
1,464,680

 
$
12,742,716

Series H and Series H-1 Convertible Preferred Stock Financing
From August 2018 through September 2018, we sold an aggregate of 33,469,795 shares of our Series H convertible preferred stock at a purchase price of $11.9053 per share, for an aggregate purchase price of $398.5 million and an aggregate of 2,418,922 shares of our Series H-1 convertible preferred stock at a purchase price of $11.9053 per share,

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for an aggregate purchase price of $28.8 million, pursuant to our Series H and Series H-1 convertible preferred stock financing. The following table summarizes purchases of our Series H and Series H-1 convertible preferred stock by holders of more than 5% of our capital stock and their affiliated entities. None of our executive officers purchased shares of Series H and Series H-1 convertible preferred stock.
Stockholder
 
Shares of  
Series H
Convertible
Preferred Stock
 
Shares of  
Series H-1
Convertible
Preferred Stock
 
Total  
Purchase  
Price
Entities affiliated with Accel (1)
 
2,519,886

 
1,679,924

 
$
49,999,998

SoftBank Vision Fund (AIV M1) L.P.
 
2,245,638

 

 
26,734,994

__________________
(1)
Consists of Accel Growth Fund Investors 2016 L.L.C., Accel Growth Fund IV L.P., Accel Growth Fund IV Strategic Partners L.P., Accel Investors 2013 L.L.C., Accel Leaders Fund Investors 2016 L.L.C., Accel Leaders Fund L.P., Accel XI L.P., and Accel XI Strategic Partners L.P. Andrew Braccia, a member of our board of directors, is a partner at Accel.
Stock Repurchases
November 2017
In November 2017, we repurchased an aggregate of 17,921,146 shares of our outstanding Class B common stock, Series A preferred stock, Series D preferred stock, Series D-1 preferred stock, and Series E preferred stock from our stockholders, at a purchase price of $8.37 per share, for an aggregate purchase price of $150.0 million, which we refer to as the November 2017 Repurchase. The following table summarizes our repurchases of capital stock from our directors and executive officers in the November 2017 Repurchase.
Stockholder
 
Title
 
Shares of  
Stock
 
Aggregate
Purchase
Price
Stewart Butterfield (1)
 
CEO, Director, Co-Founder
 
125,000

 
$
1,046,250

Allen Shim (2)
 
CFO
 
48,000

 
401,760

Cal Henderson (3)
 
Chief Technology Officer, Co-Founder
 
1,077,497

 
9,018,650

__________________
(1)
Includes shares repurchased from Omnibus Land & Cattle Co. Ltd., an entity affiliated with Mr. Butterfield.
(2)
Shares were repurchased from The Shim-Park Family Revocable Trust.
(3)
Shares were repurchased from Cal Henderson and Rebecca Reeve Henderson, as Trustees of The Henderson Family Trust.

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Third Party Tender Offers
September 2016
In August 2016, we entered into a participation agreement with Social Capital , a holder of more than 5% of our capital stock, and GGV Capital, pursuant to which we agreed to waive certain transfer restrictions in connection with a tender offer that such parties proposed to commence. In September 2016, these holders conducted a tender offer for shares of our outstanding common stock, Series A preferred stock, Series C preferred stock, and Series D-1 preferred stock from our stockholders and purchased an aggregate of 3,268,450 shares of our outstanding common stock and Series A preferred stock from our stockholders, at a purchase price of $7.41 per share, for an aggregate purchase price of $24.2 million, which we refer to as the September 2016 Third Party Tender. Social Capital purchased an aggregate of 2,178,967 shares of our outstanding common stock and Series A preferred stock for an aggregate purchase price of $16.1 million. The following table summarizes purchases of common stock from our executive officers in the September 2016 Third Party Tender.
Stockholder
 
Title
 
Shares of  
Common Stock
 
Aggregate
Purchase
Price
Allen Shim
 
CFO
 
93,699

 
$
694,310

Omnibus Land & Cattle Co. Ltd. (1)
 
 
 
120,000

 
889,200

__________________
(1)
Omnibus Land & Cattle Co. Ltd. is an entity affiliated with Mr. Butterfield, our Chief Executive Officer, a director, and a co-founder.
Stock Transfers
November 2016
On November 18, 2016, entities affiliated with Andreessen Horowitz, a holder of more than 5% of our capital stock, purchased an aggregate of 674,291 shares of our outstanding common stock from Cal Henderson, one of our executive officers, at a purchase price of $7.41 per share, for an aggregate purchase price of $5.0 million.
April 2018
On April 30, 2018, SoftBank Vision Fund (AIV M1) L.P., a holder of more than 5% of our capital stock, purchased an aggregate of 1,205,454 shares of our outstanding Class B common stock from holders of our Class B common stock, at a purchase price of $8.37 per share, for an aggregate purchase price of $10.1 million, which we refer to as the April 2018 Stock Transfer. The following table summarizes purchases of Class B common stock from our directors and executive officers in the April 2018 Stock Transfer.
Stockholder
 
Title
 
Shares of  
Stock
 
Aggregate
Purchase
Price
Stewart Butterfield
 
CEO, Director, Co-Founder
 
150,000

 
$
1,255,500

Investors’ Rights Agreement
We are party to an amended and restated investors’ rights agreement which provides, among other things, that certain holders of our capital stock, including entities affiliated with Accel, Andreessen Horowitz, Social Capital, and SoftBank, which each hold more than 5% of our outstanding capital stock, have the right to demand that we file a registration statement or request that their shares of our capital stock be included on a registration statement that we are otherwise filing. See the section titled “Description of Capital Stock—Registration Rights” for more information regarding these registration rights.

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Right of First Refusal
Pursuant to our equity compensation plans and certain agreements with our stockholders, including a right of first refusal and co-sale agreement with certain holders of our capital stock, including entities affiliated with Accel, Andreessen Horowitz, Social Capital, and SoftBank, which each hold more than 5% of our outstanding capital stock, and Mr. Butterfield, our Chief Executive Officer and a co-founder and director, we or our assignees have a right to purchase shares of our capital stock which certain stockholders propose to sell to other parties. This right will terminate upon the effectiveness of the registration statement of which this prospectus forms a part. Since July 31, 2014, we have waived our right of first refusal in connection with the sale of certain shares of our capital stock, including sales by certain of our executive officers. See the section titled “Principal and Registered Stockholders” for additional information regarding beneficial ownership of our capital stock.
Voting Agreement
We are party to a voting agreement under which certain holders of our capital stock, including entities affiliated with Accel, Andreessen Horowitz, Social Capital, and SoftBank, which each hold more than 5% of our outstanding capital stock, and Mr. Butterfield, our Chief Executive Officer and a co-founder and director, have agreed as to the manner in which they will vote their shares of our capital stock on certain matters, including with respect to the election of directors. Upon the effectiveness of the registration statement of which this prospectus forms a part, the voting agreement will terminate and none of our stockholders will have any special rights regarding the election or designation of members of our board of directors.
Slack Fund L.L.C.
We are the manager of Slack Fund L.L.C., a Delaware limited liability company, or Slack Fund. We established and designed Slack Fund to fund companies that we believe are building the future of work through next-generation enterprise software, are solving problems for working teams by building on Slack and have potential for substantial contribution to Slack. Entities affiliated with Accel, Andreessen Horowitz, and Social Capital, each holders of more than 5% of our capital stock, are members of Slack Fund. The following table summarizes the contractual contribution of holders of more than 5% of our capital stock and their affiliated entities in Slack Fund. In addition, Mr. Butterfield, our Chief Executive Officer and a co-founder and director, serves on the investment committee of Slack Fund.
Stockholder
 
Subscription
Amount
 
Amount Funded as of January 31, 2019
Entities affiliated with Accel (1)
 
$
2,000,000

 
$
1,360,000

Entities affiliated with Andreessen Horowitz (2)
 
$
2,000,000

 
$
1,360,000

Entities affiliated with Social Capital (3)
 
$
2,000,000

 
$
1,360,000

__________________
(1)
Consists of Accel X L.P., Accel X Strategic Partners L.P., Accel XI L.P., Accel XI Strategic Partners L.P., Accel Growth Fund III L.P., Accel Growth Fund III Strategic Partners L.P., Accel Growth Fund Investors 2014 L.L.C., Accel Investors 2009 L.L.C., and Accel Investors 2013 L.L.C. Andrew Braccia, a member of our board of directors, is a partner at Accel.
(2)
Consists of AH Parallel Fund IV, L.P. for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. John O’Farrell, a member of our board of directors, is a general partner at Andreessen Horowitz.
(3)
Consists of The Social+Capital Partnership III, L.P., for itself and as nominee for The Social+Capital Partnership Principals Fund III, L.P. Chamath Palihapitiya, a member of our board of directors, is the Chief Executive Officer of Social Capital.
Transactions with Square, Inc.
In September 2014, we entered into a Subscription Agreement with Square, Inc. for the use of Slack, which was renewed in 2016, 2017 and 2018. The 2017 renewal agreement for the use of Slack from September 2017 to September 2018 had a total contract value of $150,592. We recognized revenue of $144,760 from Square, Inc. in fiscal year 2018. The 2018 renewal agreement for the use of Slack from September 2018 to September 2019 has a total contract value of $230,400. We recognized revenue of $214,589 from Square, Inc. in fiscal year 2019. Sarah Friar joined our board of directors in March 2017 and previously served as the Chief Financial Officer of Square, Inc. from July 2012 to October 2018.

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Transactions with Pacific Content
On February 10, 2015, we entered into a Consulting Agreement with Pacific Content Company Incorporated, as last amended on August 1, 2016, for the creation of branded podcast episodes for us. We paid Pacific Content Company Incorporated $820,762, $567,500, and $0 in fiscal years 2017, 2018, and 2019, respectively. The former domestic partner of Stewart Butterfield , our Chief Executive Officer, is the Co-Founder and a director of Pacific Content Company Incorporated.
Transactions with RSquared
On January 1, 2015, we entered into a Client Agreement with Rsquared Communication, Inc. and on November 1, 2017, we entered into a Supplier Services Agreement with Rsquared Communication, Inc., both for the provision of Rsquared Communication, Inc.’s communication and media relations services to us. We paid Rsquared Communication, Inc. $519,342, $413,932, and $78,000 in fiscal years 2017, 2018, and 2019, respectively. The wife of Cal Henderson, our Chief Technology Officer, is the Founder and Principal of Rsquared Communication, Inc.
Other Transactions
We have granted stock options, RSUs, and RSAs to our executive officers and certain of our directors. See the sections titled “Executive Compensation” and “Management—Non-Employee Director Compensation” for a description of these options, RSUs, and RSAs.
Jonathan O’Farrell, the son of John O’Farrell, one of our directors, is a non-executive employee and has served as an Associate Software Engineer with us since August 2017. Jonathan O’Farrell does not live in the same household as John O’Farrell.
Other than as described above under this section titled “Certain Relationships and Related Person Transactions,” since February 1, 2016, we have not entered into any transactions, nor are there any currently proposed transactions, between us and a related party where the amount involved exceeds, or would exceed, $120,000, and in which any related person had or will have a direct or indirect material interest. We believe the terms of the transactions described above were comparable to terms we could have obtained in arm’s-length dealings with unrelated third parties.
Limitation of Liability and Indemnification of Officers and Directors
We expect to adopt an amended and restated certificate of incorporation, which will become effective shortly following the effectiveness of the registration statement of which this prospectus forms a part, and which will contain provisions that limit the liability of our directors for monetary damages to the fullest extent permitted by Delaware law. Consequently, our directors will not be personally liable to us or our stockholders for monetary damages for any breach of fiduciary duties as directors, except liability for the following:
any breach of their duty of loyalty to our company or our stockholders;
any act or omission not in good faith or that involves intentional misconduct or a knowing violation of law;
unlawful payments of dividends or unlawful stock repurchases or redemptions as provided in Section 174 of the Delaware General Corporation Law; or
any transaction from which they derived an improper personal benefit.
Any amendment to, or repeal of, these provisions will not eliminate or reduce the effect of these provisions in respect of any act, omission or claim that occurred or arose prior to that amendment or repeal. If the Delaware General Corporation Law is amended to provide for further limitations on the personal liability of directors of corporations, then the personal liability of our directors will be further limited to the greatest extent permitted by the Delaware General Corporation Law.
In addition, shortly following the effectiveness of the registration statement of which this prospectus forms a part, we expect to adopt amended and restated bylaws, which will provide that we will indemnify, to the fullest extent permitted by law, any person who is or was a party or is threatened to be made a party to any action, suit, or proceeding

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by reason of the fact that he or she is or was one of our directors or officers or is or was serving at our request as a director or officer of another corporation, partnership, joint venture, trust, or other enterprise. Our amended and restated bylaws are expected to provide that we may indemnify to the fullest extent permitted by law any person who is or was a party or is threatened to be made a party to any action, suit, or proceeding by reason of the fact that he or she is or was one of our employees or agents or is or was serving at our request as an employee or agent of another corporation, partnership, joint venture, trust, or other enterprise. Our amended and restated bylaws will also provide that we must advance expenses incurred by or on behalf of a director or officer in advance of the final disposition of any action or proceeding, subject to very limited exceptions.
Further, we have entered into indemnification agreements with each of our directors and executive officers that may be broader than the specific indemnification provisions contained in the Delaware General Corporation Law. These indemnification agreements require us, among other things, to indemnify our directors and executive officers against liabilities that may arise by reason of their status or service. These indemnification agreements also require us to advance all expenses incurred by the directors and executive officers in investigating or defending any such action, suit, or proceeding. We believe that these agreements are necessary to attract and retain qualified individuals to serve as directors and executive officers.
The limitation of liability and indemnification provisions that are expected to be included, or are included, in our amended and restated certificate of incorporation, amended and restated bylaws, and in indemnification agreements that we enter into with our directors and executive officers may discourage stockholders from bringing a lawsuit against our directors and executive officers for breach of their fiduciary duties. They may also reduce the likelihood of derivative litigation against our directors and executive officers, even though an action, if successful, might benefit us and other stockholders. Further, a stockholder’s investment may be harmed to the extent that we pay the costs of settlement and damage awards against directors and executive officers as required by these indemnification provisions. At present, we are not aware of any pending litigation or proceeding involving any person who is or was one of our directors, officers, employees, or other agents or is or was serving at our request as a director, officer, employee, or agent of another corporation, partnership, joint venture, trust, or other enterprise, for which indemnification is sought, and we are not aware of any threatened litigation that may result in claims for indemnification.
We have obtained insurance policies under which, subject to the limitations of the policies, coverage is provided to our directors and executive officers against loss arising from claims made by reason of breach of fiduciary duty or other wrongful acts as a director or executive officer, including claims relating to public securities matters, and to us with respect to payments that may be made by us to these directors and executive officers pursuant to our indemnification obligations or otherwise as a matter of law.
Certain of our non-employee directors may, through their relationships with their employers, be insured and/or indemnified against certain liabilities incurred in their capacity as members of our board of directors.
Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers, or persons controlling our company pursuant to the foregoing provisions, we have been informed that, in the opinion of the SEC, such indemnification is against public policy as expressed in the Securities Act and is therefore unenforceable.
Policies and Procedures for Related Party Transactions
Our audit and risk committee charter provides that the audit and risk committee has the primary responsibility for reviewing and approving or disapproving “related party transactions,” which are transactions between us and related persons in which the aggregate amount involved exceeds or may be expected to exceed $120,000 and in which a related person has or will have a direct or indirect material interest. For purposes of this policy, a related person is defined as a director, executive officer, nominee for director, or greater than 5% beneficial owner of our common stock, in each case since the beginning of the most recently completed year, and their immediate family members.
All of the transactions described above were approved by either the audit and risk committee or the disinterested members of our board of directors after making a determination that the transaction was executed on terms no less favorable than those that could have been obtained from an unrelated third party.

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PRINCIPAL AND REGISTERED STOCKHOLDERS
The following table sets forth:
certain information with respect to the beneficial ownership of our common stock as of April 30, 2019, for: (i) each of our executive officers; (ii) each of our directors; (iii) all of our directors and executive officers as a group; and (iv) each person known by us to be the beneficial owner of more than five percent of any class of our voting securities; and
the number of shares of common stock held by and registered for resale by means of this prospectus for the Registered Stockholders.
The Registered Stockholders include (i) our affiliates and certain other stockholders with “restricted securities” (as defined in Rule 144 under the Securities Act) who, because of their status as affiliates pursuant to Rule 144 or because they acquired their shares of common stock from an affiliate or from us within the prior 12 months, would be unable to sell their securities pursuant to Rule 144 until we have been subject to the reporting requirements of Section 13 or Section 15(d) the Exchange Act for a period of at least 90 days, and (ii) our non-executive officer service providers who acquired shares under Rule 701 and hold “restricted securities” (as defined in Rule 144 under the Securities Act). The Registered Stockholders may, or may not, elect to sell their shares of Class A common stock covered by this prospectus, as and to the extent they may determine. Such sales, if any, will be made through brokerage transactions on the NYSE at prevailing market prices. As such, we will have no input if and when any Registered Stockholder may, or may not, elect to sell their shares of common stock or the prices at which any such sales may occur. Prior to any sales of shares of Class A common stock, Registered Stockholders who hold Class B common stock must convert their shares of Class B common stock into shares of Class A common stock. See the section titled “Plan of Distribution.”
The listing and public trading of our Class A common stock on the NYSE will satisfy the performance vesting condition and result in the vesting and settlement of approximately                 RSUs held by our current and former employees and other service providers. To fund the tax withholding and remittance obligations arising in connection with the RSUs that will vest and settle on that day, we expect that current and former employees will use a broker or brokers to sell a portion of such shares into the market on the first trading day. The proceeds of such sales will be remitted either to us or directly to the relevant taxing authorities, in either case, to be applied towards such tax obligations. Approximately                 shares of our Class A common stock are expected to be sold throughout the first trading day in order to fund such tax amounts. The number of shares expected to be sold has been calculated using a percentage that is based on the estimated withholding tax rates for those employees with RSUs that will vest and settle on the first day of trading. Information concerning the Registered Stockholders may change from time to time and any changed information will be set forth in supplements to this prospectus, if and when necessary. Because the Registered Stockholders who hold Class B common stock may convert their shares of Class B common stock into Class A common stock at any time and the Registered Stockholders may sell all, some, or none of the shares of Class A common stock covered by this prospectus, we cannot determine the number of such shares of Class A common stock that will be sold by the Registered Stockholders, or the amount or percentage of shares of common stock that will be held by the Registered Stockholders, either as Class A common stock or Class B common stock, upon consummation of any particular sale. In addition, the Registered Stockholders listed in the table below may have sold, transferred, or otherwise disposed of, or may sell, transfer, or otherwise dispose of, at any time and from time to time, shares of common stock in transactions exempt from the registration requirements of the Securities Act, after the date on which they provided the information set forth in the table below. The Registered Stockholders have not, nor have they within the past three years had, any position, office, or other material relationship with us, other than as disclosed in this prospectus. See the sections titled “Management” and “Certain Relationships and Related Party Transactions” for further information regarding the Registered Stockholders.
After the effectiveness of the registration statement of which this prospectus forms a part, certain of the Registered Stockholders are entitled to registration rights with respect to their shares of Class B common stock, as described in the section titled “Description of Capital Stock—Registration Rights” at any time beginning 180 days after the date that the registration statement of which this prospectus forms a part is declared effective by the SEC.
We currently intend to use our reasonable efforts to keep the Registration Statement effective for a period of 90 days after the effectiveness of the Registration Statement. As a result, we have registered shares of Class A common stock

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and Class B common stock currently held by Registered Stockholders, as well as shares of Class B common stock of our affiliates that can vest and settle while the registration statement of which this prospectus forms a part is effective.
We are not party to any arrangement with any Registered Stockholder or any broker-dealer with respect to sales of the shares of Class A common stock by the Registered Stockholders. However, we have engaged financial advisors and associate financial advisors with respect to certain other matters relating to our listing. See the section titled “Plan of Distribution.”
We have determined beneficial ownership in accordance with the rules of the SEC, and thus it represents sole or shared voting or investment power with respect to our securities. Unless otherwise indicated below, to our knowledge, the persons and entities named in the table have sole voting and sole investment power with respect to all shares that they beneficially owned, subject to community property laws where applicable. We have deemed shares of our common stock subject to options that are currently exercisable or exercisable within 60 days of April 30, 2019 to be outstanding and to be beneficially owned by the person holding the option for the purpose of computing the percentage ownership of that person. We have deemed shares of our common stock subject to RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019 to be outstanding and to be beneficially owned by the person holding the RSUs for the purpose of computing the percentage ownership of that person. However, we did not deem these shares subject to stock options or RSUs outstanding for the purpose of computing the percentage ownership of any other person.
We have based percentage ownership of our common stock on 896,057 shares of our Class A common stock and 503,247,970 shares of our Class B common stock outstanding as of April 30, 2019, which includes 373,371,712 shares of Class B common stock resulting from the automatic conversion of all outstanding shares of our convertible preferred stock upon the effectiveness of the registration statement of which this prospectus forms a part, as if this conversion had occurred as of April 30, 2019.

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Unless otherwise indicated, the address of each beneficial owner listed in the table below is c/o Slack Technologies, Inc., 500 Howard St., San Francisco, California 94105.
 
Shares Beneficially Owned
 
Percent of Total Voting Power
 
Shares of Class A Common Stock being Registered
 
Class A
 
Class B
 
 
 
Shares Outstanding
 
%
 
Shares Outstanding
 
Shares that may be Acquired within 60 Days
 
Total
 
%
 
 
5% Stockholders:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Entities affiliated with Accel (1)

 

 
119,928,410

 

 
119,928,410

 
23.8
%
 
23.8
%
 
 
Entities affiliated with Andreessen Horowitz   (2)

 

 
66,523,324

 

 
66,523,324

 
13.2
%
 
13.2
%
 
 
Entities affiliated with Social Capital (3)

 

 
50,853,362

 

 
50,853,362

 
10.1
%
 
10.1
%
 
 
Entities affiliated with SoftBank (4)

 

 
36,611,744

 

 
36,611,744

 
7.3
%
 
7.3
%
 
 
Executive Officers and Directors:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Stewart Butterfield (5)

 

 
41,619,937

 
915,204

 
42,535,141

 
8.4%

 
8.4
%
 
 
Allen Shim (6)

 

 
1,989,105

 
754,780

 
2,743,885

 
*

 
*

 
 
Robert Frati (7)

 

 

 
564,935

 
564,935

 
*

 
*

 
 
Cal Henderson (8)

 

 
16,604,503

 
197,560

 
16,802,063

 
3.3
%
 
3.3
%
 
 
David Schellhase (9)

 

 

 
508,670

 
508,670

 
*

 
*

 
 
Tamar Yehoshua (10)
 
 
 
 
356,984

 

 
356,984

 
*

 
*

 
 
Andrew Braccia (11)

 

 
119,928,410

 

 
119,928,410

 
23.8
%
 
23.8
%
 
 
Edith Cooper (12)

 

 

 
85,446

 
85,446

 
*

 
*

 
 
Sarah Friar (13)

 

 
406,017

 

 
406,017

 
*

 
*

 
 
John O’Farrell (14)

 

 

 

 

 

 

 
 
Chamath Palihapitiya (15)

 

 
50,853,362

 

 
50,853,362

 
10.1%

 
10.1
%
 
 
Graham Smith (16)

 

 
210,000

 

 
210,000

 
*

 
*

 
 
All directors and executive officers as a group (12 persons) (17)

 

 
231,968,318

 
3,026,595

 
234,994,913

 
46.3%

 
46.4
%
 
 
Other Registered Stockholders:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Non-Executive Officer Service Providers Holding Common Stock (18)

 

 
 
 
 
 
 
 
 
 
 
 
 
All Other Registered Stockholders (19)
896,057

 
100%

 
 
 
 
 
 
 
 
 
 
 
 
__________________
*
Represents less than one percent (1%).
(1)
Consists of (i) 14,822,116 shares of Class B common stock held of record by Accel Growth Fund III L.P., (ii) 699,769 shares of Class B common stock held of record by Accel Growth Fund III Strategic Partners L.P., (iii) 981,989 shares of Class B common stock held of record by Accel Growth Fund Investors 2014 L.L.C., (iv) 233,298 shares of Class B common stock held of record by Accel Growth Fund Investors 2016 L.L.C., (v) 4,877,680 shares of Class B common stock held of record by Accel Growth Fund IV L.P., (vi) 27,749 shares of Class B common stock held of record by Accel Growth Fund IV Strategic Partners L.P., (vii) 2,753,490 shares of Class B common stock held of record by Accel Investors 2009 L.L.C., (viii) 1,550,384 shares of Class B common stock held of record by Accel Investors 2013 L.L.C., (ix) 207,696 shares of Class B common stock held of record by Accel Leaders Fund Investors 2016 L.L.C., (x) 4,347,025 shares of Class B common stock held of record by Accel Leaders Fund L.P., (xi) 68,584,320 shares of Class B common stock held of record by Accel X L.P., (xii) 5,147,490 shares of Class B common stock held of record by Accel X Strategic Partners L.P., (xiii) 14,598,564 shares of Class B common stock held of record by Accel XI L.P., and (xiv) 1,096,840 shares of Class B common stock held of record by Accel XI Strategic Partners L.P. Accel Growth Fund III Associates L.L.C. is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (the “Accel Growth Fund III Entities”). The managing members of Accel Growth Fund III Associates L.L.C. are Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney, and Richard Wong. Accel Growth Fund III Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund III Entities, and its managing members share such powers. The managing members of Accel Growth Fund

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Investors 2014 L.L.C. are Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney, and Richard Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Growth Fund Investors 2014 L.L.C. The managing member of Accel Growth Fund Investors 2016 L.L.C. are Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney, and Richard Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Growth Fund Investors 2016 L.L.C. Accel Growth Fund IV Associates L.L.C. is the general partner of each Accel Growth Fund IV L.P. and Accel Growth Fund IV Strategic Partners L.P. (the “Accel Growth Fund IV Entities”). The managing members of Accel Growth Fund IV Associates L.L.C. are Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney, and Richard Wong. Accel Growth Fund IV Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel Growth Fund IV Entities, and its managing members share such powers. The managing member of Accel Investors 2009 L.L.C. are Andrew Braccia, Kevin Efrusy, Sameer Gandhi, Ping Li, Tracy Sedlock, and Richard Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2009 L.L.C. The managing members of Accel Investors 2013 L.L.C. are Andrew G. Braccia, Sameer K. Gandhi, Ping Li, Tracy L. Sedlock, and Richard P. Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Investors 2013 L.L.C. The managing members of Accel Leaders Funder Investors 2016 L.L.C. are Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney, and Richard Wong, all of whom share voting and dispositive power with regard to the shares held by Accel Leaders Funder Investors 2016 L.L.C. Accel Leaders Fund Associates L.L.C. is the general partner of Accel Leaders Fund L.P. The managing members of Accel Leaders Fund Associates L.L.C. are Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney, and Richard Wong. Accel Leaders Fund Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel Leaders Fund L.P. Accel X Associates L.L.C. is the general partner of each of Accel X L.P. and Accel X Strategic Partners L.P. (together, the “Accel X Entities”). The managing members of Accel X Associates L.L.C. are Andrew Braccia, Kevin Efrusy, Sameer Gandhi, Ping Li, Tracy Sedlock, and Richard P. Wong. Accel X Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel X Entities. Accel XI Associates L.L.C. is the general partner each of Accel XI L.P. and Accel XI Strategic Partners L.P. (together, the “Accel XI Entities”). The managing members of Accel XI Associates L.L.C. are Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, and Richard Wong. Accel XI Associates L.L.C. has sole voting and dispositive power with regard to the shares held by the Accel XI Entities. The address for each of these entities is 500 University Avenue, Palo Alto, CA 94301.
(2)
Consists of (i) 42,990 shares of Class B common stock held of record by a16z Seed-III, LLC (“a16z Seed”), (ii) 18,092,974 shares of Class B common stock held of record by AH Parallel Fund IV, L.P. for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the “AH Parallel Fund IV Entities”), and (iii) 48,387,360 shares of Class B common stock held of record by Andreessen Horowitz Fund I, L.P., as nominee for Andreessen Horowitz Fund I, L.P., Andreessen Horowitz Fund I-A, L.P., and Andreessen Horowitz Fund I-B, L.P. (collectively, the “AH Fund I Entities”). The shares held directly by a16z Seed are indirectly held by Andreessen Horowitz Fund III, L.P., Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the “AH Fund III Entities”), and the members of a16z Seed. AH Equity Partners III, L.L.C. (“AH EP III”), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. The managing members of AH EP III are Marc Andreessen and Ben Horowitz. AH Equity Partners IV (Parallel), L.L.C. (“AH EP IV Parallel”), the general partner of the AH Parallel Fund IV Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund IV Entities. The managing members of AH EP IV Parallel are Marc Andreessen and Ben Horowitz. AH Equity Partners I, L.L.C. (“AH EP I”), the general partner of the AH Fund I Entities, has sole voting and dispositive power with regard to the shares held by the AH Fund I Entities. The managing members of AH EP I are Marc Andreessen and Ben Horowitz. The address for each of these individuals and entities is 2865 Sand Hill Road, Suite 101, Menlo Park, CA 94025.
(3)
Consists of (i) 43,290,060 shares of Class B common stock held of record by The Social+Capital Partnership II, L.P., for itself and as nominee for certain other individuals and entities, (ii) 2,501,374 shares of Class B common stock held of record by The Social+Capital Partnership III, L.P., for itself and as nominee for The Social+Capital Partnership Principals Fund III, L.P., and (iii) 5,061,928 shares of Class B common stock of record by The Social+Capital Partnership Opportunities Fund, L.P. The Social+Capital Partnership GP II, Ltd. is the general partner of The Social+Capital Partnership GP II, L.P., which is the general partner of The Social+Capital Partnership II, L.P. The sole member of The Social+Capital Partnership GP II, Ltd. is Social Capital Holdings Inc. The Social+Capital Partnership GP II, Ltd. has sole voting and dispositive power with regard to the shares held by The Social+Capital Partnership II, L.P. The Social+Capital Partnership GP III, Ltd. is the general partner of The Social+Capital Partnership GP III, L.P., which is the general partner of The Social+Capital Partnership III, L.P. The sole member of The Social+Capital Partnership GP III, Ltd. is Social Capital Holdings Inc. The Social+Capital Partnership GP III, Ltd. has sole voting and dispositive power with regard to the shares held by The Social+Capital Partnership III, L.P. The Social+Capital Partnership Opportunities Fund GP, Ltd. is the general partner of The Social+Capital Partnership Opportunities Fund GP, L.P., which is the general partner of The Social+Capital Partnership Opportunities Fund, L.P. The sole member of The Social+Capital Partnership Opportunities Fund GP, Ltd. is Social Capital Holdings Inc. The Social+Capital Partnership Opportunities Fund GP, Ltd. has sole voting and dispositive power with regard to the shares held by The Social+Capital Partnership Opportunities Fund, L.P. Chamath Palihapitiya is the Chief Executive Officer of Social Capital Holdings Inc. and holds voting and dispositive power over shares controlled by The Social+Capital Partnership GP II, Ltd., The Social+Capital Partnership GP III, Ltd., and The Social+Capital Partnership Opportunities Fund GP, Ltd. The address for each of these entities is c/o The Social+Capital Partnership, L.L.C. 120 Hawthorne Avenue, Palo Alto, CA 94301.
(4)
Consists of 36,611,744 shares of Class B common stock held of record by SoftBank Vision Fund (AIV M1) L.P. SoftBank Vision Fund (AIV M1) L.P. is managed by SB Investment Advisers (UK) Limited. Ruwan Weerasekera is a Director of SB Investment Advisers (UK) Limited. SB Investment Advisers (UK) Limited has sole voting and dispositive power over the shares held by the SoftBank Vision Fund (AIV M1) L.P. The address of SoftBank Vision Fund (AIV M1) L.P. is c/o SB Investment Advisers (UK) Limited, 69 Grosvenor Street, London, W1K 3JP and c/o SB Investment Advisers (US), Inc., 1 Circle Star Way, 4F, San Carlos, CA 94070.
(5)
Consists of (i) 41,619,937 shares of Class B common stock, of which 17,159,801 are subject to repurchase by the company and (ii) 915,204 shares of Class B common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019.
(6)
Consists of (i) 240,000 shares of Class B common stock, (ii) 1,749,105 shares of Class B common stock held of record by the Shim-Park Family Revocable Trust, of which 24,033 are subject to repurchase by the company, (iii) 351,855 shares of Class B common stock subject to outstanding options that are exercisable within 60 days of April 30, 2019, and (iv) 402,925 shares of Class B common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019.

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(7)
Consists of (i) 560,185 shares of Class B common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019 and (ii) 4,750 shares of Class B common stock subject to outstanding options that are exercisable within 60 days of April 30, 2019.
(8)
Consists of (i) 16,604,503 shares of Class B common stock held of record by Cal Henderson and Rebecca Reeve Henderson, Trustees of The Henderson Family Trust, (ii) 194,130 shares of Class B common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019, and (iii) 3,250 shares of Class B common stock subject to outstanding options that are exercisable within 60 days of April 30, 2019.
(9)
Consists of (i) 505,170 shares of Class B common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019 and (ii) 3,500 shares of Class B common stock subject to outstanding options that are exercisable within 60 days of April 30, 2019.
(10)
Consists of (i) 356,984 shares of Class B common stock, all of which are subject to repurchase by the company and (ii) 0 shares of Class B common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019.
(11)
Consists of shares held by the entities affiliated with Accel identified in footnote 1.
(12)
Consists of 85,446 shares of Class B common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019.
(13)
Consists of (i) 228,385 shares of Class B common stock held of record by Sarah J. Friar, as Trustee of the David Riley and Sarah Friar Revocable Trust Dated August 11, 2006, of which 203,009 are subject to repurchase by the company and (ii) 177,632 shares of Class B common stock held of record by Sarah Friar 2019 Grantor Retained Annuity Trust Dated February 1, 2019, of which none are subject to repurchase by the company.
(14)
Excludes shares listed in footnote 2 above owned by entities affiliated with Andreessen Horowitz. Mr. O’Farrell, one of our directors, is a non-managing member of these entities and does not have voting or dispositive power over such shares.
(15)
Consists of shares held by the entities affiliated with Social Capital identified in footnote 3.
(16)
Consists of 210,000 shares of Class B common stock, all of which are subject to repurchase by the company.
(17)
Consists of (i) 234,994,913 shares of Class B common stock beneficially owned by our current directors and executive officers, of which 17,953,827 are subject to repurchase by the company, (ii) 363,355 shares of Class B common stock subject to outstanding options that are exercisable within 60 days of April 30, 2019, and (iii) 2,663,240 shares of Class B common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019.
(18)
Consists of (i)          shares of Class B common stock beneficially owned by such other Registered Stockholders, of which          are subject to repurchase by the company, (ii)          shares of common stock subject to outstanding options that are exercisable within 60 days of April 30, 2019, and (iii)          shares of common stock subject to outstanding RSUs for which the service condition has been satisfied or would be satisfied within 60 days of April 30, 2019.
(19)
Consists of (i) 896,057 shares of Class A common stock and (ii)           shares of Class B common stock.


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DESCRIPTION OF CAPITAL STOCK
General
The following description summarizes the most important terms of our capital stock, as they are expected to be in effect shortly following the effectiveness of the registration statement of which this prospectus forms a part. We expect to adopt an amended and restated certificate of incorporation and amended and restated bylaws in connection with this registration, and this description summarizes the provisions that are expected to be included in such documents. Because it is only a summary, it does not contain all the information that may be important to you. For a complete description of the matters set forth in this section titled “Description of Capital Stock,” you should refer to our amended and restated certificate of incorporation, amended and restated bylaws, and our amended and restated investor rights’ agreement, which are or will be included as exhibits to the registration statement of which this prospectus forms a part, and to the applicable provisions of Delaware law. Shortly following the effectiveness of the registration statement of which this prospectus forms a part, our authorized capital stock will consist of:
5,000,000,000 shares of Class A common stock, $0.0001 par value per share,
700,000,000 shares of Class B common stock, $0.0001 par value per share, and
100,000,000 shares of undesignated preferred stock, $0.0001 par value per share.
Assuming the conversion of all outstanding shares of our convertible preferred stock into shares of our Class B common stock, which will occur upon the effectiveness of the registration statement of which this prospectus forms a part, as of January 31, 2019, there were 896,057 outstanding shares of Class A common stock and 500,048,944 shares of our Class B common stock outstanding, held by 435 stockholders of record, and no shares of our convertible preferred stock outstanding. Our board of directors is authorized, without stockholder approval except as required by the listing standards of the NYSE, to issue additional shares of our capital stock.
Class A Common Stock and Class B Common Stock
We have two classes of authorized common stock, Class A common stock and Class B common stock. All outstanding shares of our convertible preferred stock will be converted into shares of our Class B common stock. In addition, any options to purchase shares of our capital stock outstanding prior to the effectiveness of the registration statement of which this prospectus forms a part are eligible to be settled in or exercisable for shares of our Class B common stock.
Dividend Rights
Subject to preferences that may apply to any shares of preferred stock outstanding at the time, the holders of our Class A common stock and Class B common stock are entitled to receive dividends out of funds legally available if our board of directors, in its discretion, determines to issue dividends and then only at the times and in the amounts that our board of directors may determine. See the section titled “Dividend Policy.”

153



Voting Rights
Holders of our Class A common stock are entitled to one vote per share, and holders of our Class B common stock are entitled to 10 votes per share, on all matters submitted to a vote of stockholders. The holders of our Class A common stock and Class B common stock will generally vote together as a single class on all matters submitted to a vote of our stockholders, unless otherwise required by Delaware law or our amended and restated certificate of incorporation. Delaware law could require either holders of our Class A common stock or Class B common stock to vote separately as a single class in the following circumstances:
if we were to seek to amend our amended and restated certificate of incorporation to increase or decrease the par value of a class of our capital stock, then that class would be required to vote separately to approve the proposed amendment; and
if we were to seek to amend our amended and restated certificate of incorporation in a manner that alters or changes the powers, preferences, or special rights of a class of our capital stock in a manner that affected its holders adversely, then that class would be required to vote separately to approve the proposed amendment.
Our amended and restated certificate of incorporation and amended and restated bylaws will establish a classified board of directors that is divided into three classes with staggered three-year terms. Only the directors in one class will be subject to election by a plurality of the votes cast at each annual meeting of our stockholders, with the directors in the other classes continuing for the remainder of their respective three-year terms. Our amended and restated certificate of incorporation will not provide for cumulative voting for the election of directors.
Conversion
Each outstanding share of Class B common stock is convertible at any time at the option of the holder into one share of Class A common stock. In addition, each share of Class B common stock will convert automatically into one share of Class A common stock upon (i) any transfer, whether or not for value, which occurs after the effectiveness of the registration statement of which this prospectus forms a part , except for certain permitted transfers, described in the paragraph that immediately follows this paragraph and further described in our amended and restated certificate of incorporation, or (ii), in the case of a stockholder who is a natural person, the death or incapacity of such stockholder. Once converted into Class A common stock, the Class B common stock will not be reissued.
The following transfers of Class B common stock will not trigger an automatic conversion of such stock to Class A common stock: (i) a transfer by a holder of Class B common stock to any of such holder’s affiliates with the prior written approval of the Company; (ii) a transfer by a holder of Class B common stock to any of the persons or entities listed in clauses (A) through (G) below (each, a “Permitted Transferee”) and from any such Permitted Transferee back to such holder of Class B common stock and/or any other Permitted Transferee established by or for such holder of Class B common stock: (A) to any family member of such holder of Class B common stock, including a spouse, domestic partner, parent, grandparent, lineal descendant (which includes a descendant adopted as a minor), sibling or lineal descendant of a sibling; (B) to a trust for the benefit of the holder of Class B common stock or over which such holder of Class B common stock or its family members retain sole dispositive power and voting control, provided the holder of Class B common stock does not receive consideration in exchange for the transfer (other than as a settlor or beneficiary of such trust); (C) to a trust under the terms of which such holder of Class B common stock has retained a “qualified interest” within the meaning of §2702(b)(1) of the Internal Revenue Code and/or a reversionary interest so long as the holder of Class B common stock and/or family members of such holder of Class B common stock retain sole dispositive power and exclusive voting control with respect to the shares of Class B common stock held by such trust; (D) to an Individual Retirement Account, as defined in Section 408(a) of the Internal Revenue Code, or a pension, profit sharing, stock bonus or other type of plan or trust of which such holder of Class B common stock is a participant or beneficiary and which satisfies the requirements for qualification under Section 401 of the Internal Revenue Code, so long as such holder of Class B common stock retains sole dispositive power and exclusive voting control with respect to the shares of Class B common stock held in such account, plan or trust; (E) to a corporation, partnership or limited liability company in which such holder of Class B common stock and/or family members of such holder of Class B common stock directly, or indirectly, retain sole dispositive power and exclusive voting control with respect to the shares of Class B common stock held by such corporation, partnership or limited liability company; (F) to another holder of Class B common stock; or (G) to an affiliate of a holder of Class B common stock, provided that the person or entity

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holding sole dispositive power and exclusive voting control with respect to the shares of Class B common stock being transferred retains, directly or indirectly, sole dispositive power and exclusive voting control with respect to the shares following such transfer.
Each outstanding share of Class B common stock will convert automatically into one share of Class A common stock upon the date specified by affirmative vote of the holders of at least 66-2/3% of the outstanding shares of Class B common stock, voting as a single class.
All outstanding shares of Class A common stock and Class B common stock will convert automatically into shares of a single class of common stock on the earlier of the date that is ten years from the date of this prospectus or the date the holders of at least two-thirds of our Class B common stock elect to convert the Class B common stock to Class A common stock. The purpose of this provision is to ensure that following such conversion, each share of common stock will have one vote per share and the rights of the holders of all outstanding common stock will be identical. Once converted into a single class of common stock, the Class A common stock and Class B common stock may not be reissued. See the section titled “Risk Factors— Risks Related to Ownership of Our Class A Common Stock— The dual class structure of our common stock has the effect of concentrating voting control with those stockholders who held our capital stock prior to the listing of our Class A common stock on the NYSE, including our directors, executive officers and their respective affiliates, who will hold in the aggregate          % of the voting power of our capital stock upon the effectiveness of the registration statement of which this prospectus forms a part. This ownership will limit or preclude your ability to influence corporate matters, including the election of directors, amendments of our organizational documents, and any merger, consolidation, sale of all or substantially all of our assets, or other major corporate transaction requiring stockholder approval.” f or a description of the risks related to the dual class structure of our common stock.
No Preemptive or Similar Rights
Our Class A common stock and Class B common stock are not entitled to preemptive rights and are not subject to conversion (except as noted above), redemption, or sinking fund provisions.
Right to Receive Liquidation Distributions
If we become subject to a liquidation, dissolution, or winding-up, the assets legally available for distribution to our stockholders would be distributable ratably among the holders of our Class A common stock and Class B common stock and any participating preferred stock outstanding at that time, subject to prior satisfaction of all outstanding debt and liabilities and the preferential rights of and the payment of liquidation preferences, if any, on any outstanding shares of preferred stock.
Fully Paid and Non-Assessable
All of the outstanding shares of our Class A common stock and Class B common stock are fully paid and non-assessable.
Preferred Stock
Shortly following the effectiveness of the registration statement of which this prospectus forms a part, our board of directors will be authorized, subject to limitations prescribed by Delaware law, to issue preferred stock in one or more series, to establish from time to time the number of shares to be included in each series and to fix the designation, powers, preferences, and rights of the shares of each series and any of its qualifications, limitations, or restrictions, in each case without further vote or action by our stockholders. Our board of directors can also increase or decrease the number of shares of any series of preferred stock, but not below the number of shares of that series then outstanding, without any further vote or action by our stockholders. Our board of directors may authorize the issuance of preferred stock with voting or conversion rights that could adversely affect the voting power or other rights of the holders of our Class A common stock and Class B common stock. The issuance of preferred stock, while providing flexibility in connection with possible acquisitions and other corporate purposes, could, among other things, have the effect of delaying, deferring, or preventing a change in control of our company and might adversely affect the market price of

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our Class A common stock and the voting and other rights of the holders of our Class A common stock and Class B common stock. We have no current plan to issue any shares of preferred stock.
Options
As of January 31, 2019, we had outstanding options to purchase an aggregate of 18,405,776 shares of our Class B common stock, with a weighted-average exercise price of $0.9428 per share, pursuant to our 2009 Plan.
Restricted Stock Units
As of January 31, 2019, we had outstanding RSUs representing 63,113,635 shares of our Class B common stock, issued pursuant to our 2009 Plan.
Registration Rights
After the effectiveness of the registration statement of which this prospectus forms a part, certain holders of our Class B common stock will be entitled to rights with respect to the registration of their shares under the Securities Act. These registration rights are contained in our amended and restated investors’ rights agreement, or the IRA, dated as of May 9, 2019. We, along with certain holders of our convertible preferred stock are parties to the IRA. The registration rights set forth in the IRA will expire five years following the effectiveness of the registration statement of which this prospectus forms a part, or, with respect to any particular stockholder, when such stockholder is able to sell all of its shares pursuant to Rule 144(b)(1)(i) of the Securities Act or holds 1% or less of our common stock and is able to sell all of its Registrable Securities, as defined in the IRA, without registration pursuant to Rule 144 of the Securities Act during any three-month period. We will pay the registration expenses (other than underwriting discounts and selling commissions) of the holders of the shares registered pursuant to the registrations described below, including the reasonable fees of one counsel for the selling holders. In an underwritten offering, the underwriters have the right, subject to specified conditions, to limit the number of shares such holders may include.
Demand Registration Rights
After the effectiveness of the registration statement of which this prospectus forms a part, the holders of approximately 372,136,712 shares of our Class B common stock will be entitled to certain demand registration rights. At any time beginning six months after the effectiveness of the registration statement of which this prospectus forms a part, the holders of at least 25% of these shares then outstanding can request that we register the offer and sale of their shares. We are obligated to effect only two such registrations. If we determine that it would be seriously detrimental to us and our stockholders to effect such a demand registration, we have the right to defer such registration, not more than once in any 12-month period, for a period of up to 90 days. Additionally, we will not be required to effect a demand registration during the period beginning 60 days prior to our good faith estimate of the date of the filing of and ending on a date 180 days following the effectiveness of a registration statement relating to our Class A common stock.
Piggyback Registration Rights
After the effectiveness of the registration statement of which this prospectus forms a part, if we propose to register the offer and sale of our common stock under the Securities Act, in connection with the public offering of such common stock, the holders of up to approximately 372,136,712 shares of our Class B common stock will be entitled to certain “piggyback” registration rights allowing the holders to include their shares in such registration, subject to certain marketing and other limitations. As a result, whenever we propose to file a registration statement under the Securities Act, other than with respect to (1) a registration related solely to a company stock plan, (2) a registration relating to a corporate reorganization or transaction under Rule 145 of the Securities Act, (3) a registration on any form that does not include substantially the same information as would be required to be included in a registration statement covering the public offering of our common stock, or (4) a registration in which the only common stock being registered is common stock issuable upon the conversion of debt securities that are also being registered, the holders of these shares are entitled to notice of the registration and have the right, subject to certain limitations, to include their shares in the registration.

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S-3 Registration Rights
After the effectiveness of the registration statement of which this prospectus forms a part, the holders of up to approximately 372,136,712 shares of our Class B common stock will be entitled to certain Form S-3 registration rights. The holders of at least 25% of these shares then outstanding may make a written request that we register the offer and sale of their shares on a registration statement on Form S-3 if we are eligible to file a registration statement on Form S-3 so long as the request covers at least that number of shares with an anticipated offering price, net of underwriting discounts and commissions, of at least $5.0 million. These stockholders may make an unlimited number of requests for registration on Form S-3; however, we will not be required to effect a registration on Form S-3 if we have effected two such registrations within the 12-month period preceding the date of the request. Additionally, if we determine that it would be seriously detrimental to us and our stockholders to effect such a registration, we have the right to defer such registration, not more than once in any 12-month period, for a period of up to 90 days.
Anti-Takeover Provisions
The provisions of Delaware law, our amended and restated certificate of incorporation and our amended and restated bylaws, which are summarized below, may have the effect of delaying, deferring, or discouraging another person from acquiring control of our company. They are also designed, in part, to encourage persons seeking to acquire control of us to negotiate first with our board of directors. We believe that the benefits of increased protection of our potential ability to negotiate with an unfriendly or unsolicited acquirer outweigh the disadvantages of discouraging a proposal to acquire us because negotiation of these proposals could result in an improvement of their terms.
Delaware Law
We are governed by the provisions of Section 203 of the Delaware General Corporation Law. In general, Section 203 prohibits a public Delaware corporation from engaging in a “business combination” with an “interested stockholder” for a period of three years after the date of the transaction in which the person became an interested stockholder, unless the business combination is approved in a prescribed manner. A “business combination” includes mergers, asset sales or other transactions resulting in a financial benefit to the stockholder. An “interested stockholder” is a person who, together with affiliates and associates, owns, or within three years did own, 15% or more of the corporation’s outstanding voting stock. These provisions may have the effect of delaying, deferring, or preventing a change in our control.
Amended and Restated Certificate of Incorporation and Amended and Restated Bylaw Provisions
Our amended and restated certificate of incorporation and our amended and restated bylaws will include a number of provisions that could deter hostile takeovers or delay or prevent changes in control of our board of directors or management team, including the following:
Dual Class Stock. As described above in the subsection titled “—Class A Common Stock and Class B Common Stock—Voting Rights,” our amended and restated certificate of incorporation will continue to provide for a dual class common stock structure, which will provide our founders, current investors, executives, and employees with significant influence over all matters requiring stockholder approval, including the election of directors and significant corporate transactions, such as a merger or other sale of our company of its assets.
Board of Directors Vacancies. Our amended and restated certificate of incorporation and amended and restated bylaws will authorize only our board of directors to fill vacant directorships, including newly created seats. In addition, the number of directors constituting our board of directors will be permitted to be set only by a resolution adopted by a majority vote of our entire board of directors. These provisions would prevent a stockholder from increasing the size of our board of directors and then gaining control of our board of directors by filling the resulting vacancies with its own nominees. This will make it more difficult to change the composition of our board of directors and promote continuity of management.
Classified Board. Our amended and restated certificate of incorporation and amended and restated bylaws will provide that our board of directors is classified into three classes of directors. A third party may be discouraged from making a tender offer or otherwise attempting to obtain control of us as it is more difficult

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and time consuming for stockholders to replace a majority of the directors on a classified board of directors. See the section titled “Management—Board of Directors.”
Stockholder Action; Special Meeting of Stockholders. Our amended and restated certificate of incorporation will provide that our stockholders may not take action by written consent, but may only take action at annual or special meetings of our stockholders. As a result, a holder controlling a majority of our capital stock would not be able to amend our amended and restated bylaws or remove directors without holding a meeting of our stockholders called in accordance with our amended and restated bylaws. Our amended and restated bylaws will further provide that special meetings of our stockholders may be called only by a majority of our board of directors, the Chairperson of our board of directors, or our Chief Executive Officer, thus prohibiting a stockholder from calling a special meeting. These provisions might delay the ability of our stockholders to force consideration of a proposal or for stockholders controlling a majority of our capital stock to take any action, including the removal of directors.
Advance Notice Requirements for Stockholder Proposals and Director Nominations. Our amended and restated bylaws will provide advance notice procedures for stockholders seeking to bring business before our annual meeting of stockholders or to nominate candidates for election as directors at our annual meeting of stockholders. Our amended and restated bylaws will also specify certain requirements regarding the form and content of a stockholder’s notice. These provisions might preclude our stockholders from bringing matters before our annual meeting of stockholders or from making nominations for directors at our annual meeting of stockholders if the proper procedures are not followed. We expect that these provisions may also discourage or deter a potential acquirer from conducting a solicitation of proxies to elect the acquirer’s own slate of directors or otherwise attempting to obtain control of our company.
No Cumulative Voting. The Delaware General Corporation Law provides that stockholders are not entitled to cumulate votes in the election of directors unless a corporation’s certificate of incorporation provides otherwise. Our amended and restated certificate of incorporation will not provide for cumulative voting.
Directors Removed Only for Cause. Our amended and restated certificate of incorporation will provide that stockholders may remove directors only for cause.
Amendment of Charter Provisions. Any amendment of the above provisions in our amended and restated certificate of incorporation would require approval by holders of at least two-thirds of our then outstanding common stock.
Issuance of Undesignated Preferred Stock. Our board of directors has the authority, without further action by the stockholders, to issue up to 100,000,000 shares of undesignated preferred stock with rights and preferences, including voting rights, designated from time to time by our board of directors. The existence of authorized but unissued shares of preferred stock would enable our board of directors to render more difficult or to discourage an attempt to obtain control of us by means of a merger, tender offer, proxy contest, or other means.
Exclusive Forum. Our amended and restated bylaws will provide that, unless we consent in writing to the selection of an alternative forum, to the fullest extent permitted by law, the sole and exclusive forum for (1) any derivative action or proceeding brought on our behalf, (2) any action asserting a breach of a fiduciary duty, (3) any action asserting a claim against us arising pursuant to the Delaware General Corporation Law, our amended and restated certificate of incorporation or our amended and restated bylaws, or (4) any action asserting a claim against us that is governed by the internal affairs doctrine shall be the Court of Chancery of the State of Delaware (or, if the Court of Chancery does not have jurisdiction, the federal district court for the District of Delaware), in all cases subject to the court having jurisdiction over indispensable parties named as defendants. Nothing in our amended and restated bylaws will preclude stockholders that assert claims under the Securities Act from bringing such claims in state or federal court, subject to applicable law. Any person or entity purchasing or otherwise acquiring any interest in our securities shall be deemed to have notice of and consented to this provision. Although we believe these provisions benefit us by providing increased consistency in the application of Delaware law for the specified types of actions and proceedings, the provisions may have the effect of discouraging lawsuits against us or our directors and officers.

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Transfer Agent and Registrar
Upon the effectiveness of the registration statement of which this prospectus forms a part, the transfer agent and registrar for our Class A common stock and Class B common stock will be Computershare Trust Company, N.A. The transfer agent’s address is 250 Royal Street, Canton, MA 02021.
Listing
We have applied to list our Class A common stock on the NYSE under the symbol “SK.”

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SHARES ELIGIBLE FOR FUTURE SALE
Prior to the listing of our Class A common stock on the NYSE, there has been no public market for our common stock, and we cannot predict the effect, if any, that market sales of shares of our common stock or the availability of shares of our common stock for sale will have on the market price of our common stock prevailing from time to time. Sales of substantial amounts of our Class A common stock in the public market following our listing on the NYSE, or the perception that such sales could occur, could adversely affect the public price of our Class A common stock and may make it more difficult for you to sell your Class A common stock at a time and price that you deem appropriate. We will have no input if and when any Registered Stockholder may, or may not, elect to sell its shares of Class A common stock or the prices at which any such sales may occur. Future sales of our Class A common stock in the public market, or the availability of such shares for sale in the public market, could adversely affect market prices prevailing from time to time.
Upon the effectiveness of the registration statement of which this prospectus forms a part, based on the number of shares of our capital stock outstanding as of January 31, 2019, we will have a total of 896,057 shares of our Class A common stock and 500,048,944 shares of our Class B common stock outstanding, assuming the automatic conversion of all outstanding shares of our convertible preferred stock into 373,371,712 shares of our Class B common stock immediately prior to the effectiveness of the registration statement of which this prospectus forms a part.
Shares of our Class A common stock and Class B common stock will be deemed “restricted securities” (as defined in Rule 144 under the Securities Act). Restricted securities may be sold in the public market only if they are registered or if they qualify for an exemption from registration under Rule 144 or Rule 701 under the Securities Act, which rules are summarized below. Following the listing of our Class A common stock on the NYSE, shares of our Class A common stock may be sold either by the Registered Stockholders pursuant to this prospectus or by our other existing stockholders in accordance with Rule 144 of the Securities Act.
As further described below, until we have been a reporting company for at least 90 days, only non-affiliates who have beneficially owned their shares of common stock for a period of at least one year will be able to sell their shares of Class A common stock under Rule 144, which is expected to include approximately          shares of common stock immediately after our registration.
Rule 144
In general, under Rule 144 as currently in effect, once we have been subject to the public company reporting requirements of Section 13 or Section 15(d) of the Exchange Act for at least 90 days, a person who is not deemed to have been one of our affiliates for purposes of the Securities Act at any time during the 90 days preceding a sale and who has beneficially owned the shares proposed to be sold for at least six months, including the holding period of any prior owner other than our affiliates, is entitled to sell those shares without complying with the manner of sale, volume limitation or notice provisions of Rule 144, subject to compliance with the public information requirements of Rule 144. If such a person has beneficially owned the shares proposed to be sold for at least one year, including the holding period of any prior owner other than our affiliates, then that person would be entitled to sell those shares without complying with any of the requirements of Rule 144.
In general, under Rule 144 as currently in effect, our affiliates or persons selling shares on behalf of our affiliates are entitled to sell, within any three-month period, a number of shares that does not exceed the greater of:
1% of the number of shares of our Class A common stock then outstanding; or
the average weekly trading volume of our Class A common stock during the four calendar weeks preceding the filing of a notice on Form 144 with respect to that sale.
Sales under Rule 144 by our affiliates or persons selling shares on behalf of our affiliates are also subject to certain manner of sale provisions and notice requirements and to the availability of current public information about us.

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Rule 701
Rule 701 generally allows a stockholder who purchased shares of our common stock pursuant to a written compensatory plan or contract and who is not deemed to have been an affiliate of our company during the immediately preceding 90 days to sell these shares in reliance upon Rule 144, but without being required to comply with the public information, holding period, volume limitation or notice provisions of Rule 144. Rule 701 also permits affiliates of our company to sell their Rule 701 shares under Rule 144 without complying with the holding period requirements of Rule 144. All holders of Rule 701 shares, however, are required by that rule to wait until 90 days after the date of this prospectus before selling those shares pursuant to Rule 701.
Registration Rights
Pursuant to our amended and restated investors’ rights agreement, the holders of up to 372,136,712 shares of our Class B common stock (including shares issuable upon the conversion of our outstanding convertible preferred stock immediately prior to the effectiveness of the registration statement of which this prospectus forms a part), or their transferees, will be entitled to certain rights with respect to the registration of the offer and sale of those shares under the Securities Act. See the section titled “Description of Capital Stock—Registration Rights” for a description of these registration rights. If the offer and sale of these shares is registered, the shares will be freely tradable without restriction under the Securities Act, and a large number of shares may be sold into the public market.
Registration Statement on Form S-8
We intend to file a registration statement on Form S-8 under the Securities Act to register all of the shares of our Class A common stock and Class B common stock issuable or reserved for issuance under our 2009 Plan, our 2019 Plan, and our 2019 ESPP. Shares covered by such registration statement will be eligible for sale in the public market, subject to the Rule 144 limitations and vesting restrictions. As of January 31, 2019, RSUs and options to purchase a total of 81,519,411 shares of our Class B common stock pursuant to our 2009 Plan were outstanding and no options or other equity awards were outstanding or exercisable under our 2019 Plan.

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SALE PRICE HISTORY OF OUR CAPITAL STOCK
We have applied to list our Class A common stock on the NYSE. Prior to the initial listing, no public market existed for our Class A common stock. However, our Class B common stock (on an as converted basis) has a history of trading in private transactions. The table below shows the high and low sales prices for our Class B common stock (on an as converted basis) in private transactions by our stockholders, for the indicated periods, based on information available to us. As of April 30, 2019, there have been no sales of our Class A common stock. While the DMM, in consultation with our financing advisors, is expected to consider this information in connection with setting the opening public price of our Class A common stock, this information may, however, have little or no relation to broader market demand for our Class A common stock and thus the opening public price and subsequent public price of our Class A common stock on the NYSE. As a result, you should not place undue reliance on these historical private sales prices as they may differ materially from the opening public price and subsequent public price of our Class A common stock on the NYSE. See the section titled “Risk Factors—Risks Related to Ownership of Our Class A Common Stock—The public price of our Class A common stock, upon listing on the NYSE, may have little or no relationship to the historical sales prices of our capital stock in private transactions.”
 
Per Share Sale
Price
 
Number of
Shares Sold in the Period
 
Number of
Shares Outstanding
(Period End)
 
High
 
Low
 
Annual
 
 
 
 
 
 
 
Year ended January 31, 2019
$
23.41

 
$
8.37

 
9,382,888

 
500,945,001

Quarterly
 
 
 
 
 
 
 
Year ended January 31, 2019
 
 
 
 
 
 
 
First Quarter
$
8.37

 
$
8.37

 
1,205,454

 
458,259,049

Second Quarter
$
15.50

 
$
14.00

 
312,104

 
460,744,948

Third Quarter
$
13.79

 
$
10.71

 
6,048,141

 
499,263,366

Fourth Quarter
$
23.41

 
$
17.25

 
1,817,189

 
500,945,001

Year ended January 31, 2020
 
 
 
 
 
 
 
First Quarter
$
27.25

 
$
21.00

 
4,384,104

 
504,144,027

Monthly
 
 
 
 
 
 
 
Year Ended January 31, 2019
 
 
 
 
 
 
 
July
$

 
$

 

 
460,744,948

August
$
10.71

 
$
10.71

 
4,185,501

 
494,056,811

September
$
11.91

 
$
11.91

 
1,548,640

 
497,210,557

October
$
13.79

 
$
13.79

 
314,000

 
499,263,366

November
$
22.00

 
$
22.00

 
75,000

 
499,315,136

December
$
22.00

 
$
17.25

 
154,500

 
499,806,957

January
$
23.41

 
$
21.00

 
1,587,689

 
500,945,001

Year Ended January 31, 2020
 
 
 
 
 
 
 
February
$
22.00

 
$
22.00

 
210,000

 
501,542,049

March
$
26.00

 
$
21.00

 
2,374,376

 
502,136,716

April
$
27.25

 
$
25.00

 
1,799,728

 
504,144,027


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CERTAIN MATERIAL U.S. FEDERAL INCOME TAX CONSEQUENCES
The following is a discussion of the material U.S. federal income and estate tax consequences relating to ownership and disposition of our common stock by a non-U.S. holder. For purposes of this discussion, the term “non-U.S. holder” means a beneficial owner of our common stock that is not, for U.S. federal income tax purposes:
an individual who is a citizen or resident of the United States;
a corporation, or other entity treated as a corporation for U.S. federal income tax purposes, created or organized in or under the laws of the United States or of any political subdivision of the United States;
an estate the income of which is subject to U.S. federal income taxation regardless of its source; or
a trust, if a U.S. court is able to exercise primary supervision over the administration of the trust and one or more “United States persons” (as defined in the Code) have authority to control all substantial decisions of the trust or if the trust has a valid election in effect to be treated as a United States person under applicable U.S. Treasury Regulations.
A modified definition of “non-U.S. holder” applies for U.S. federal estate tax purposes (as discussed below).
This discussion is based on current provisions of the Code, U.S. Treasury Regulations promulgated thereunder, current administrative rulings, and judicial decisions, all as in effect as of the date of this prospectus and all of which are subject to change or to differing interpretation, possibly with retroactive effect. Any change could alter the tax consequences to non-U.S. holders described in this prospectus. In addition, the Internal Revenue Service, or the IRS, could challenge one or more of the tax consequences described in this prospectus.
We assume in this discussion that each non-U.S. holder holds shares of our common stock as a capital asset (generally, property held for investment) within the meaning of Section 1221 of the Code. This discussion does not address all aspects of U.S. federal income and estate taxation that may be relevant to a particular non-U.S. holder in light of that non-U.S. holder’s individual circumstances nor does it address any aspects of state, local, or non-U.S. taxes, alternative minimum tax, or U.S. federal taxes other than income and estate taxes. This discussion also does not consider any specific facts or circumstances that may apply to a non-U.S. holder and does not address the special tax rules applicable to particular non-U.S. holders, such as:
banks;
insurance companies;
tax-exempt organizations;
other financial institutions;
brokers or dealers in securities;
pension plans;
tax-qualified retirement plans;
governmental organizations;
controlled foreign corporations;
passive foreign investment companies;
owners that hold our common stock as part of a straddle, hedge, conversion transaction, synthetic security, or other integrated investment;
certain U.S. expatriates;

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persons who have elected to mark securities to market;
persons subject to the unearned income Medicare contribution tax;
persons that elect to apply Section 1400Z-2 of the Code to gains recognized with respect to shares of our common stock; or
persons that acquire our common stock as compensation for services.
In addition, this discussion does not address the tax treatment of partnerships (including any entity or arrangement treated as a partnership for U.S. federal income tax purposes) or other entities that are “pass-throughs” for U.S. federal income tax purposes or persons who hold their common stock through partnerships or other entities that are “pass-throughs” for U.S. federal income tax purposes. In the case of a holder that is classified as a partnership for U.S. federal income tax purposes, the tax treatment of a person treated as a partner in such partnership for U.S. federal income tax purposes generally will depend on the status of the partner, the activities of the partner and the partnership, and certain determinations made at the partner level. A person treated as a partner in a partnership or who holds their stock through another transparent entity should consult his, her, or its own tax advisor regarding the tax consequences of the ownership and disposition of our common stock through a partnership or other “pass-through” entity, as applicable.
Prospective investors should consult their own tax advisors regarding the U.S. federal, state, local, and non-U.S. income and other tax considerations of acquiring, holding, and disposing of our common stock.
Distributions on our Common Stock
We have never declared or paid any cash dividend on our capital stock, and do not expect to pay any dividends in the foreseeable future. See the section titled “Dividend Policy.” However, in the event that we do pay distributions of cash or property on our common stock, those distributions will constitute dividends for U.S. federal income tax purposes to the extent paid from our current or accumulated earnings and profits, as determined under U.S. federal income tax principles. If a distribution exceeds our current and accumulated earnings and profits, the excess will be treated as a tax-free return of the non-U.S. holder’s investment, up to such holder’s tax basis in our common stock. Any remaining excess will be treated as capital gain, subject to the tax treatment described below under the heading “Gain on Sale, Exchange, or Other Taxable Disposition of Common Stock.”
Subject to the discussion of effectively connected income below and the discussions below under the headings “Information Reporting and Backup Withholding” and “Foreign Account Tax Compliance Act”, dividends paid to a non-U.S. holder generally will be subject to withholding of U.S. federal income tax at a 30% rate or such lower rate as may be specified by an applicable income tax treaty between the United States and such holder’s country of residence. If we or another withholding agent apply over-withholding or if a non-U.S. holder does not timely provide us with the required certification, the non-U.S. holder may be entitled to a refund or credit of any excess tax withheld by timely filing an appropriate claim with the IRS.
A non-U.S. holder of our common stock who claims the benefit of an applicable income tax treaty between the United States and such holder’s country of residence generally will be required to provide a properly executed IRS Form W-8BEN or W-8BEN-E (or applicable successor form) and satisfy applicable certification and other requirements. A non-U.S. holder that is eligible for a reduced rate of U.S. withholding tax under an income tax treaty may obtain a refund or credit of any excess amounts withheld by timely filing an appropriate claim with the IRS. Non-U.S. holders are urged to consult their own tax advisors regarding their entitlement to benefits under a relevant income tax treaty.
Dividends that are treated as effectively connected with a trade or business conducted by a non-U.S. holder within the United States, and, if an applicable income tax treaty so provides, that are attributable to a permanent establishment or a fixed base maintained by the non-U.S. holder within the United States, are generally exempt from the 30% withholding tax if the non-U.S. holder satisfies applicable certification and disclosure requirements. To obtain this exemption, a non-U.S. holder must generally provide a properly executed original and unexpired IRS Form W-8ECI properly certifying such exemption. However, such U.S. effectively connected income is taxed at the same graduated U.S. federal income tax rates applicable to U.S. persons (as defined in the Code). Any U.S. effectively connected income received by a non-U.S. holder that is a corporation may also, under certain circumstances, be subject to an additional

164



“branch profits tax” at a 30% rate or such lower rate as may be specified by an applicable income tax treaty between the United States and such holder’s country of residence.
Any documentation provided to an applicable withholding agent may need to be updated in certain circumstances. The certification requirements described above also may require a non-U.S. holder to provide its U.S. taxpayer identification number.
Gain on Sale, Exchange, or Other Taxable Disposition of Common Stock
Subject to the discussions below under the headings “Information Reporting and Backup Withholding” and “Foreign Account Tax Compliance Act,” a non-U.S. holder generally will not be subject to U.S. federal income tax or withholding tax on gain recognized on a sale, exchange, or other taxable disposition of our common stock unless:
the gain is effectively connected with the non-U.S. holder’s conduct of a trade or business in the United States, and, if an applicable income tax treaty so provides, the gain is attributable to a permanent establishment or fixed base maintained by the non-U.S. holder in the United States; in these cases, the non-U.S. holder will be taxed on a net income basis at the regular graduated rates and in the manner applicable to United States persons, and, if the non-U.S. holder is a foreign corporation, an additional branch profits tax at a rate of 30%, or a lower rate as may be specified by an applicable income tax treaty, may also apply;
the non-U.S. holder is an individual present in the United States for 183 days or more in the taxable year of the disposition and certain other conditions are met, in which case the non-U.S. holder will be subject to U.S. federal income tax at a rate of 30% (or such lower rate as may be specified by an applicable income tax treaty) on the amount by which the non-U.S. holder’s capital gains allocable to U.S. sources exceed certain capital losses allocable to U.S. sources; or
we are or were a “U.S. real property holding corporation” during the shorter of the five-year period ending on the date of the disposition or the period that the non-U.S. holder held our common stock, unless our common stock is regularly traded on an established securities market and the non-U.S. holder held no more than five percent of our outstanding common stock, directly or indirectly, actually or constructively, during the shorter of the five-year period ending on the date of the disposition or the period that the non-U.S. holder held our common stock. In such case, such non-U.S. holder generally will be taxed on its net gain derived from the disposition at the graduated U.S. federal income tax rates applicable to United States persons. Generally, a corporation is a “U.S. real property holding corporation” if the fair market value of its “U.S. real property interests” equals or exceeds 50% of the sum of the fair market value of its worldwide real property interests plus its other assets used or held for use in a trade or business. Although there can be no assurance in this regard, we believe that we have not been and are not currently, and we do not anticipate becoming, a “U.S. real property holding corporation” for U.S. federal income tax purposes.
Information Reporting and Backup Withholding
We (or the applicable paying agent) must report annually to the IRS and to each non-U.S. holder the gross amount of the distributions on our common stock paid to such holder and the tax withheld, if any, with respect to such distributions. Non-U.S. holders may have to comply with specific certification procedures to establish that the holder is not a United States person in order to avoid backup withholding at the applicable rate with respect to dividends on our common stock. Generally, a holder will comply with such procedures if it provides a properly executed IRS Form W-8BEN or W-8BEN-E or otherwise establishes an exemption.
Information reporting and backup withholding generally will apply to the proceeds of a disposition of our common stock by a non-U.S. holder effected by or through the U.S. office of any broker, U.S. or foreign, unless the holder certifies its status as a non-U.S. holder and satisfies certain other requirements, or otherwise establishes an exemption. Generally, information reporting and backup withholding will not apply to a payment of disposition proceeds to a non-U.S. holder where the transaction is effected outside the United States through a foreign broker. However, dispositions effected through a non-U.S. office of a broker with substantial U.S. ownership or operations generally will be treated in a manner similar to dispositions effected through a U.S. office of a broker. Non-U.S. holders should consult their own tax advisors regarding the application of the information reporting and backup withholding rules to them.

165



Copies of information returns may be made available to the tax authorities of the country in which the non-U.S. holder resides or is incorporated under the provisions of a specific treaty or agreement. Any documentation provided to an applicable withholding agent may need to be updated in certain circumstances.
Backup withholding is not an additional tax. Any amounts withheld under the backup withholding rules from a payment to a non-U.S. holder may be refunded or credited against the non-U.S. holder’s U.S. federal income tax liability, if any, provided that an appropriate claim is timely filed with the IRS.
Foreign Account Tax Compliance Act
Legislation commonly referred to as the Foreign Account Tax Compliance Act and associated guidance, or collectively, FATCA, generally imposes a 30% withholding tax on any “withholdable payment” (as defined below) to a “foreign financial institution” (as defined in the Code), unless such institution enters into an agreement with the U.S. government to collect and provide to the U.S. tax authorities substantial information regarding U.S. account holders of such institution (which would include certain equity and debt holders of such institution, as well as certain account holders that are foreign entities with United States owners) or another applicable exception applies or such institution is compliant with applicable foreign law enacted in connection with an applicable intergovernmental agreement between the United States and a foreign jurisdiction. FATCA also generally imposes a 30% withholding tax on any “withholdable payment” (as defined below) to a foreign entity that is not a financial institution, unless such entity provides the withholding agent with a certification identifying the substantial U.S. owners of the entity (which generally includes any United States person who directly or indirectly owns more than 10% of the entity), if any, or another applicable exception applies or such entity is compliant with applicable foreign law enacted in connection with an applicable intergovernmental agreement between the United States and a foreign jurisdiction. Under certain circumstances, a non-U.S. holder might be eligible for refunds or credits of such taxes.
Under final regulations and other current guidance, “withholdable payments” currently include dividends on our common stock. While withholding under FATCA would have applied also to the gross proceeds of a disposition of our common stock on or after January 1, 2019, recently proposed Treasury Regulations eliminate FATCA withholding on payments of gross proceeds entirely. Taxpayers generally may rely on these proposed Treasury Regulations until final Treasury Regulations are issued. The FATCA withholding tax will apply regardless of whether a payment would otherwise be exempt from or not subject to U.S. nonresident withholding tax (e.g., as capital gain).
Federal Estate Tax
Common stock owned or treated as owned by an individual who is a non-U.S. holder (as specially defined for U.S. federal estate tax purposes) at the time of death will be included in the individual’s gross estate for U.S. federal estate tax purposes and, therefore, may be subject to U.S. federal estate tax, unless an applicable estate tax or other treaty provides otherwise.
The preceding discussion of material U.S. federal tax considerations is for general information only. It is not tax advice. Prospective investors should consult their own tax advisors regarding the particular U.S. federal, state, local, and non-U.S. tax consequences of purchasing, holding, and disposing of our common stock, including the consequences of any proposed changes in applicable laws.

166



PLAN OF DISTRIBUTION
The Registered Stockholders may sell their shares of Class A common stock covered hereby pursuant to brokerage transactions on the NYSE, or other public exchanges or registered alternative trading venues, at prevailing market prices at any time after the shares of Class A common stock are listed for trading. We are not party to any arrangement with any Registered Stockholder or any broker-dealer with respect to sales of shares of Class A common stock by the Registered Stockholders, except we have engaged financial advisors and associate financial advisors with respect to certain other matters relating to our listing, as further described below. As such, we will have no input if and when any Registered Stockholder may, or may not, elect to sell their shares of Class A common stock or the prices at which any such sales may occur, and there can be no assurance that any Registered Stockholders will sell any or all of the shares of Class A common stock covered by this prospectus.
We will not receive any proceeds from the sale of shares of Class A common stock by the Registered Stockholders. We expect to recognize certain non-recurring costs as part of our transition to a publicly-traded company, consisting of professional fees and other expenses. As part of our direct listing, these fees will be expensed in the period incurred and not deducted from net proceeds to the issuer as they would be in an initial public offering.
We have engaged Goldman Sachs, Morgan Stanley, and Allen & Company as our financial advisors to advise and assist us with respect to certain matters relating to our listing, including defining our objectives with respect to the filing of the registration statement of which this prospectus forms a part and the listing of our Class A common stock on the NYSE, the preparation of the registration statement of which this prospectus forms a part, and the preparation of investor communications and presentations in connection with investor education, and to be available to consult with the DMM who will be setting the opening public price of our Class A common stock on the NYSE. However, the financial advisors have not been engaged to participate in investor meetings or to otherwise facilitate or coordinate price discovery activities or sales of our Class A common stock in consultation with us, except as described herein with respect to consultation with the DMM on the opening public price in accordance with NYSE rules. We have also engaged Credit Suisse Securities (USA) LLC, Barclays Capital Inc., Citigroup Global Markets Inc., RBC Capital Markets, LLC, KeyBanc Capital Markets Inc., Canaccord Genuity LLC, and William Blair & Company, L.L.C. as our associate financial advisors to advise and assist us with respect to certain matters relating to our listing, including the preparation of the registration statement of which this prospectus forms a part and the preparation of investor communications and presentations in connection with investor education. However, the associate financial advisors have not been engaged to participate in investor meetings or to otherwise facilitate or coordinate price discovery activities or sales of our Class A common stock in consultation with us.
The DMM, acting pursuant to its obligations under the rules of the NYSE, is responsible for facilitating an orderly market for our Class A common stock. Based on information provided to the NYSE, the opening public price of our Class A common stock on the NYSE will be determined by buy and sell orders collected by the NYSE from various broker-dealers and will be set based on the DMM’s determination of where buy orders can be matched with sell orders at a single price. On the NYSE, buy orders priced equal to or higher than the opening public price and sell orders priced lower than or equal to the opening public price will participate in that opening trade. In accordance with NYSE rules because there has not been a recent sustained history of trading in our common stock in a private placement market prior to listing, the DMM will consult with Morgan Stanley and our other financial advisors, in order for the DMM to effect a fair and orderly opening of our Class A common stock on the NYSE, without coordination with us, consistent with the federal securities laws in connection with our direct listing. Pursuant to such NYSE rules, and based upon information known to it at that time, Morgan Stanley and our other financial advisors are expected to provide input to the DMM regarding their understanding of the ownership of our outstanding common stock and pre-listing selling and buying interest in our Class A common stock that they become aware of from potential investors and holders of our Class A common stock, including after consultation with certain institutional investors (which may include certain of the Registered Holders, other than the RSU holders), in each case, without coordination with us. Morgan Stanley and certain of our other financial advisors, in their capacity as financial advisors to the Company, and who are available to consult with the DMM in accordance with NYSE rules, are expected to provide the DMM with our fair value per share, as determined by our most recently completed independ ent common stock valuation report , dated as of May 15, 2019, which was $ per share of Class A common stock and Class B common stock. The common stock valuation report was prepared by an independent third party on behalf of the Company, and no financial advisor or associate financial advisor participated in the preparation of such report. The DMM, in consultation with Morgan Stanley and our other

167



financial advisors, is also expected to consider the information in the section titled “Sale Price History of our Capital Stock.”
Similar to how a security being offered in an underwritten initial public offering would open on the first day of trading, before the opening public price of our Class A common stock is determined, the DMM may publish one or more pre-opening indications, which provides the market with a price range of where the DMM anticipates the opening public price will be, based on the buy and sell orders entered on the NYSE. The pre-opening indications will be available on the consolidated tape and NYSE market data feeds. As part of this opening process, the DMM will continue to update the pre-opening indication until the buy and sell orders reach equilibrium and can be priced by offsetting one another to determine the opening public price of our Class A common stock.
In connection with the process described above, a DMM in a direct listing may have less information available to it to determine the opening public price of our Class A common stock than a DMM would in an underwritten initial public offering. For example, because our financial advisors are not acting as underwriters, they will not have engaged in a book building process, and as a result, they will not be able to provide input to the DMM that is based on or informed by that process. Moreover, prior to the opening trade, there will not be a price at which underwriters initially sold shares of Class A common stock to the public as there would be in an underwritten initial public offering. This lack of an initial public offering price could impact the range of buy and sell orders collected by the NYSE from various broker-dealers. Consequently, the public price of our Class A common stock may be more volatile than in an underwritten initial public offering and could, upon listing on the NYSE, decline significantly and rapidly. See the section titled “Risk Factors—Risks Related to Ownership of Our Class A Common Stock.”
In addition to sales made pursuant to this prospectus, the shares of Class A common stock covered by this prospectus may be sold by the Registered Stockholders in private transactions exempt from the registration requirements of the Securities Act.
Under the securities laws of some states, shares of Class A common stock may be sold in such states only through registered or licensed brokers or dealers.
If any of the Registered Stockholders utilize a broker-dealer in the sale of the shares of Class A common stock being offered by this prospectus, such broker-dealer may receive commissions in the form of discounts, concessions, or commissions from such Registered Stockholder or commissions from purchasers of the shares of Class A common stock for whom they may act as agent or to whom they may sell as principal (which discounts, concessions, or commissions as to particular broker-dealers may be in excess of those customary in the types of transactions involved).

168



LEGAL MATTERS
Our principal legal advisor is Goodwin Procter LLP, San Francisco, California. Latham & Watkins LLP is legal advisor to the financial advisors and associate financial advisors.
EXPERTS
The consolidated financial statements of Slack Technologies, Inc. and subsidiaries as of January 31, 2018 and 2019, and for each of the years in the three-year period ended January 31, 2019, have been included herein and in the registration statement in reliance upon the report of KPMG LLP, our independent registered public accounting firm, appearing elsewhere herein, and upon the authority of said firm as experts in accounting and auditing.
ADDITIONAL INFORMATION
We have filed with the SEC a registration statement on Form S-1 under the Securities Act with respect to the shares of Class A common stock covered by this prospectus. This prospectus, which constitutes a part of the registration statement, does not contain all of the information set forth in the registration statement, some of which is contained in exhibits to the registration statement as permitted by the rules and regulations of the SEC. For further information with respect to us and our Class A common stock, we refer you to the registration statement, including the exhibits filed as a part of the registration statement. Statements contained in this prospectus concerning the contents of any contract or any other document are not necessarily complete. If a contract or document has been filed as an exhibit to the registration statement, please see the copy of the contract or document that has been filed. Each statement in this prospectus relating to a contract or document filed as an exhibit is qualified in all respects by the filed exhibit. The SEC maintains an Internet website that contains reports, proxy statements and other information about issuers, like us, that file electronically with the SEC. The address of that website is www.sec.gov.
Immediately upon the effectiveness of the registration statement of which this prospectus forms a part, we will become subject to the information and reporting requirements of the Exchange Act and, in accordance with this law, will file periodic reports, proxy statements, and other information with the SEC. These periodic reports, proxy statements, and other information will be available for inspection and copying at the website of the SEC referred to above. We also maintain a website at www.slack.com. Upon the effectiveness of the registration statement of which this prospectus forms a part, you may access these materials free of charge as soon as reasonably practicable after they are electronically filed with, or furnished to, the SEC. Information contained on our website is not a part of this prospectus and the inclusion of our website address in this prospectus is an inactive textual reference only.

169


INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
Page

F-1


Report of Independent Registered Public Accounting Firm
To the Stockholders and Board of Directors
Slack Technologies, Inc.:
Opinion on the Consolidated Financial Statements
We have audited the accompanying consolidated balance sheets of Slack Technologies, Inc. and subsidiaries (the Company) as of January 31, 2018 and 2019, the related consolidated statements of operations, comprehensive loss, stockholders’ equity, and cash flows for each of the years in the three‑year period ended January 31, 2019, and the related notes (collectively, the consolidated financial statements). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of January 31, 2018 and 2019, and the results of its operations and its cash flows for each of the years in the three‑year period ended January 31, 2019, in conformity with U.S. generally accepted accounting principles.
Basis for Opinion
These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.
We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.  

/s/ KPMG LLP
We have served as the Company’s auditor since 2015.
San Francisco, California
April 3, 2019

F-2


SLACK TECHNOLOGIES, INC.
CONSOLIDATED BALANCE SHEETS
(In thousands, except per share amounts)
 
As of January 31,
 
Pro Forma
January 31,
2019
 
2018
 
2019
 
 
 
 
 
 
(unaudited)
ASSETS
 
 
 
 
 
Current assets:
 
 
 
 
 
Cash and cash equivalents
$
120,463

 
$
180,770

 
 
Marketable securities
428,298

 
660,301

 
 
Accounts receivable, net
37,209

 
87,438

 
 
Prepaid expenses and other current assets
25,954

 
54,213

 
 
Total current assets
611,924

 
982,722

 
 
Restricted cash
17,600

 
20,490

 
 
Strategic investments
7,623

 
12,334

 
 
Property and equipment, net
42,997

 
88,359

 
 
Intangible assets, net

 
15,203

 
 
Goodwill
8,653

 
48,598

 
 
Other assets
8,983

 
31,250

 
 
Total assets
$
697,780

 
$
1,198,956

 
 
LIABILITIES AND STOCKHOLDERS’ EQUITY
 
 
 
 
 
Current liabilities:
 
 
 
 
 
Accounts payable
$
7,056

 
$
16,613

 
 
Accrued compensation and benefits
23,647

 
46,151

 
 
Accrued expenses and other current liabilities
15,510

 
29,809

 
 
Deferred revenue
125,453

 
239,825

 
 
Total current liabilities
171,666

 
332,398

 
 
Deferred revenue, noncurrent

 
2,048

 
 
Other liabilities
6,826

 
22,904

 
 
Total liabilities
178,492

 
357,350

 
 
Commitments and contingencies (Note 8)
 
 
 
 
 
Stockholders’ equity:
 
 
 
 
 
Convertible preferred stock, $0.0001 par value: 346,237 and 390,589 shares authorized; 337,483 and 373,372 shares issued and outstanding; liquidation preference of $962,659 and $1,389,925 as of January 31, 2018 and 2019, respectively; no shares outstanding as of January 31, 2019, pro forma (unaudited)
965,221

 
1,392,101

 
$

Common stock, $0.0001 par value: 1,150,785 and 1,310,000 shares authorized; Class A common stock - 575,000 and 660,000 shares authorized as of January 31, 2018 and 2019, respectively, 0 and 896 shares issued and outstanding as of January 31, 2018 and 2019, respectively, and 896 shares outstanding as of January 31, 2019, pro forma; Class B common stock - 575,785 and 650,000 shares authorized as of January 31, 2018 and 2019, respectively, 119,735 and 126,677 shares issued and outstanding as of January 31, 2018 and 2019, respectively, and 522,437 shares outstanding as of January 31, 2019, pro forma (unaudited)
12

 
13

 
52

Additional paid-in-capital
71,885

 
105,633

 
1,655,190

Accumulated other comprehensive loss
(1,089
)
 
(498
)
 
(498
)
Accumulated deficit
(524,880
)
 
(665,563
)
 
(823,058
)
Total Slack Technologies, Inc. stockholders’ equity
511,149

 
831,686

 
831,686

Noncontrolling interest
8,139

 
9,920

 
9,920

Total stockholders’ equity
519,288

 
841,606

 
$
841,606

Total liabilities and stockholders’ equity
$
697,780

 
$
1,198,956

 
 
See accompanying notes to consolidated financial statements.

F-3


SLACK TECHNOLOGIES, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS
(In thousands, except per share amounts)
 
Year Ended January 31,
 
2017
 
2018
 
2019
Revenue
$
105,153

 
$
220,544

 
$
400,552

Cost of revenue
15,517

 
26,364

 
51,301

Gross profit
89,636

 
194,180

 
349,251

Operating expenses:
 
 
 
 
 
Research and development
96,678

 
141,350

 
157,538

Sales and marketing
104,006

 
140,188

 
233,191

General and administrative
37,455

 
56,493

 
112,730

Total operating expenses
238,139

 
338,031

 
503,459

Loss from operations
(148,503
)
 
(143,851
)
 
(154,208
)
Other income (expense), net
1,749

 
4,581

 
16,146

Loss before income taxes
(146,754
)
 
(139,270
)
 
(138,062
)
Provision for income taxes
155

 
793

 
840

Net loss
(146,909
)
 
(140,063
)
 
(138,902
)
Net income (loss) attributable to noncontrolling interest
(45
)
 
22

 
1,781

Net loss attributable to Slack
(146,864
)
 
(140,085
)
 
(140,683
)
Less: Deemed dividends to preferred stockholders

 
40,883

 

Net loss attributable to Slack common stockholders
$
(146,864
)
 
$
(180,968
)
 
$
(140,683
)
Basic and diluted net loss per share:
 
 
 
 
 
Net loss per share attributable to Slack common stockholders, basic and diluted
$
(1.28
)
 
$
(1.47
)
 
$
(1.16
)
Weighted-average shares used in computing net loss per share attributable to Slack common stockholders, basic and diluted
114,887

 
122,865

 
121,732

Pro forma net loss per share attributable to Slack common stockholders, basic and diluted (unaudited)
 
 
 
 
$
(0.27
)
Weighted-average shares used in computing pro forma net loss per share attributable to Slack common stockholders, basic and diluted (unaudited)
 
 
 
 
517,493

See accompanying notes to consolidated financial statements.

F-4


SLACK TECHNOLOGIES, INC
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS
(In thousands)
 
Year Ended January 31,
 
2017
 
2018
 
2019
Net loss
$
(146,909
)
 
$
(140,063
)
 
$
(138,902
)
Other comprehensive loss, net of tax:
 
 
 
 
 
Change in unrealized losses on marketable securities
(153
)
 
(677
)
 
591

Other comprehensive loss, net of tax
(153
)
 
(677
)
 
591

Comprehensive loss
(147,062
)
 
(140,740
)
 
(138,311
)
Comprehensive income (loss) attributable to noncontrolling interest
(45
)
 
22

 
1,781

Comprehensive loss attributable to Slack
$
(147,017
)
 
$
(140,762
)
 
$
(140,092
)
See accompanying notes to consolidated financial statements.

F-5


SLACK TECHNOLOGIES, INC.
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
(In thousands)
 
Convertible Preferred Stock
 
Common Stock
 
Additional Paid-In-Capital
 
Accumulated Other Comprehensive Loss
 
Accumulated Deficit
 
Noncontrolling Interest
 
Total Stockholders’ Equity
 
Shares
 
Amount
 
Shares
 
Amount
 
 
 
 
 
Balance at January 31, 2016
274,537

 
$
381,812

 
120,454

 
$
12

 
$
13,760

 
$
(259
)
 
$
(153,950
)
 
$
2,402

 
$
243,777

Exercise of stock options

 

 
6,215

 
1

 
4,012

 

 

 

 
4,013

Vesting of early exercised stock options

 

 

 

 
572

 

 

 

 
572

Issuance of restricted stock awards (RSAs)

 

 
1,135

 

 

 

 

 

 

Cancellation of restricted stock awards (RSAs)

 

 
(465
)
 

 

 

 

 

 

Issuance of series F convertible preferred stock, net of issuance cost
19,867

 
154,957

 

 

 

 

 

 

 
154,957

Issuance of series F-1 convertible preferred stock, net of issuance cost
6,793

 
52,940

 

 

 

 

 

 

 
52,940

Capital contributions from noncontrolling interest holders

 

 

 

 

 

 

 
5,760

 
5,760

Repurchase of common stock

 

 
(1,661
)
 

 
(6
)
 

 
(4,297
)
 

 
(4,303
)
Stock-based compensation

 

 

 

 
42,428

 

 

 

 
42,428

Unrealized loss on short-term marketable securities

 

 

 

 

 
(153
)
 

 

 
(153
)
Net loss

 

 

 

 

 

 
(146,864
)
 
(45
)
 
(146,909
)
Balance at January 31, 2017
301,197

 
589,709

 
125,678

 
13

 
60,766

 
(412
)
 
(305,111
)
 
8,117

 
353,082

Exercise of stock options

 

 
3,662

 

 
3,634

 

 

 

 
3,634

Vesting of early exercised stock options

 

 

 

 
480

 

 

 

 
480

Issuance of series G convertible preferred stock, net of issuance cost
24,718

 
229,648

 

 

 

 

 

 

 
229,648

Issuance of series G-1 convertible preferred stock, net of issuance cost
2,149

 
20,000

 

 

 

 

 

 

 
20,000

Issuance of series G-2 convertible preferred stock, net of issuance cost
17,241

 
150,000

 

 

 

 

 

 

 
150,000

Issuance of series G-3 convertible preferred stock, net of issuance cost
1,465

 
12,714

 

 

 

 

 

 

 
12,714

Repurchase of Class B common stock

 

 
(9,605
)
 
(1
)
 
(1,704
)
 

 
(38,801
)
 

 
(40,506
)
Repurchase of series A convertible preferred stock
(458
)
 
(44
)
 

 

 

 

 
(3,787
)
 

 
(3,831
)
Repurchase of series D convertible preferred stock
(4,568
)
 
(11,650
)
 

 

 

 

 
(26,589
)
 

 
(38,239
)
Repurchase of series D-1 convertible preferred stock
(75
)
 
(156
)
 

 

 

 

 
(474
)
 

 
(630
)
Repurchase of series E convertible preferred stock
(4,186
)
 
(25,000
)
 

 

 

 

 
(10,033
)
 

 
(35,033
)
Unrealized loss on short-term marketable securities

 

 

 

 

 
(677
)
 

 

 
(677
)
Stock-based compensation

 

 

 

 
8,709

 

 

 

 
8,709

Net income (loss)

 

 

 

 

 

 
(140,085
)
 
22

 
(140,063
)
Balance at January 31, 2018
337,483

 
965,221

 
119,735

 
12

 
71,885

 
(1,089
)
 
(524,880
)
 
8,139

 
519,288

Exercise of stock options

 

 
4,888

 
1

 
4,166

 

 

 

 
4,167

Vesting of early exercised stock options

 

 

 

 
366

 

 

 

 
366

Issuance of Series H preferred stock, net of issuance cost
33,470

 
398,082

 

 

 

 

 

 

 
398,082

Issuance of Series H-1 preferred stock
2,419

 
28,798

 

 

 

 

 

 

 
28,798

Issuance of restricted stock awards (RSAs)

 

 
2,197

 

 

 

 

 

 

Issuance of Class A common stock to a third party

 

 
900

 

 
6,084

 

 

 

 
6,084

Cancellation of restricted stock awards (RSAs)

 

 
(19
)
 

 

 

 

 

 

Repurchase of early exercised stock options

 

 
(128
)
 

 

 

 

 

 

Unrealized gain on short-term investments

 

 

 

 

 
591

 

 

 
591

Stock-based compensation

 

 

 

 
23,132

 

 

 

 
23,132

Net income (loss)

 

 

 

 

 

 
(140,683
)
 
1,781

 
(138,902
)
Balance at January 31, 2019
373,372

 
$
1,392,101

 
127,573

 
$
13

 
$
105,633

 
$
(498
)
 
$
(665,563
)
 
$
9,920

 
$
841,606

See accompanying notes to consolidated financial statements.

F-6


SLACK TECHNOLOGIES, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In thousands)
 
Year Ended January 31,
 
2017
 
2018
 
2019
Cash flows from operating activities:
 
 
 
 
 
Net loss
$
(146,909
)
 
$
(140,063
)
 
$
(138,902
)
Adjustments to reconcile net loss to net cash provided by operating activities:
 
 
 
 
 
Depreciation and amortization
6,787

 
14,320

 
16,816

Loss on disposal of property and equipment
25

 

 
2,281

Stock-based compensation
42,058

 
8,709

 
23,132

Amortization of deferred contract acquisition costs
13

 
611

 
3,154

Net amortization of bond premium (discount) debt securities available for sale
2,163

 
1,352

 
(3,057
)
Change in fair value of strategic investments
73

 
(27
)
 
(3,701
)
Other non-cash charges
145

 
366

 
546

Changes in operating assets and liabilities:
 
 
 
 
 
Accounts receivable
(12,030
)
 
(21,964
)
 
(50,305
)
Prepaid expenses and other assets
(31,555
)
 
6,362

 
(53,072
)
Accounts payable
(1,363
)
 
4,851

 
2,846

Accrued compensation and benefits
9,617

 
12,470

 
22,504

Deferred revenue
38,237

 
68,469

 
116,420

Other current and long-term liabilities
2,933

 
8,927

 
20,279

Net cash used in operating activities
(89,806
)
 
(35,617
)
 
(41,059
)
Cash flows from investing activities:
 
 
 
 
 
Purchases of marketable securities
(346,407
)
 
(510,755
)
 
(967,055
)
Maturities of marketable securities
325,387

 
278,263

 
727,616

Sales of marketable securities
8,525

 
16,934

 
11,271

Acquisitions of businesses, net of cash acquired

 

 
(45,313
)
Acquisition of intangible assets

 

 
(2,382
)
Purchases of property and equipment
(24,232
)
 
(22,044
)
 
(56,180
)
Sales of property and equipment

 

 
762

Capitalized software development costs
(584
)
 
(50
)
 
(840
)
Purchase of strategic investments
(4,460
)
 
(2,901
)
 
(2,276
)
Proceeds from liquidation of strategic investments

 
117

 
976

Net cash used in investing activities
(41,771
)
 
(240,436
)
 
(333,421
)
Cash flows from financing activities:
 
 
 
 
 
Proceeds from exercise of stock options
4,742

 
2,912

 
4,783

Repurchase of common stock
(4,303
)
 
(40,506
)
 
(70
)
Net proceeds from issuance of convertible preferred stock
207,897

 
412,362

 
426,880

Repurchase of convertible preferred stock

 
(77,733
)
 

Capital contributions from noncontrolling interest holders
5,760

 

 

Issuance of common stock to third party

 

 
6,084

Net cash provided by financing activities
214,096

 
297,035

 
437,677

Net increase in cash, cash equivalents and restricted cash
82,519

 
20,982

 
63,197

Cash, cash equivalents and restricted cash at beginning of year
34,562

 
117,081

 
138,063

Cash, cash equivalents and restricted cash at end of year
$
117,081

 
$
138,063

 
$
201,260

 
 
 
 
 
 
Supplemental disclosure of cash flow information:
 
 
 
 
 
Cash paid for income taxes
$
48

 
$
947

 
$
876

Non-cash investing and financing activities:
 
 
 
 
 
Purchase of property and equipment, accrued but not paid
$
6,125

 
$
763

 
$
6,334

Stock-based compensation capitalized as internal-use software
$
370

 
$

 
$

Vesting of early exercised stock options
$
572

 
$
480

 
$
366

Unrealized short-term gain (loss) on marketable securities
$
(153
)
 
$
(677
)
 
$
791

See accompanying notes to consolidated financial statements.

F-7


SLACK TECHNOLOGIES, INC.
Notes to Consolidated Financial Statements
Note 1.    Description of Business and Summary of Significant Accounting Policies
Business
Slack Technologies, Inc. (the “Company” or “Slack”) operates a business technology software platform that brings together people, applications, and data and sells its offering under a software-as-a-service model. The Company was incorporated in Delaware in 2009 as Tiny Speck, Inc. In 2014, the Company changed its name to Slack Technologies, Inc. and publicly launched its current offering. The Company is headquartered in San Francisco, California.
Fiscal Year
The Company’s fiscal year ends on January 31. References to fiscal year 2019, for example, refer to the fiscal year ended January 31, 2019.
Basis of Presentation and Consolidation
The accompanying consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”). The accompanying consolidated financial statements include the accounts of the Company and its wholly owned and majority-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. The consolidated financial statements include 100% of the accounts of wholly owned and majority-owned subsidiaries and the ownership interest of minority investors is recorded as noncontrolling interest.
Unaudited Pro Forma Information
Unaudited Pro Forma Balance Sheet
The unaudited pro forma balance sheet information as of January 31, 2019, assumes all shares of the Company’s convertible preferred stock had automatically converted into an aggregate of 373,371,712 shares of the Company’s Class B common stock as if such conversion had occurred on January 31, 2019.
The Company granted certain employees and non-employee directors restricted stock units (“RSUs”) with both service-based and performance-based vesting conditions. The performance-based requirement is satisfied on the earlier of: (1) a change in control or (2) the effective date of an initial public offering. The RSUs vest on the first date upon which both the service-based and performance-based requirements are satisfied. If the RSUs vest, the Company will deliver one share of Class B common stock for each vested RSU on the applicable settlement date. If the performance vesting condition had been met on January 31, 2019, 22.4 million RSUs that had met their service condition would have vested (“Vesting RSUs”). The Vesting RSUs have been included in the unaudited pro forma balance sheet disclosure of shares outstanding of Class B common stock, as the settlement of these shares will take place upon the satisfaction of both the service condition and performance vesting condition.
In addition, at the time the performance vesting condition becomes probable which is not until the performance vesting condition is satisfied, the Company will recognize cumulative stock-based compensation associated with outstanding RSUs based on the service-based condition using the accelerated attribution method. Accordingly, the unaudited pro forma balance sheet information as of January 31, 2019, gives effect to stock-based compensation of $157.5 million associated with the outstanding RSUs as of January 31, 2019. This pro forma adjustment is reflected as an increase to additional paid-in capital and accumulated deficit. Payroll tax expenses and other withholding obligations have not been included in the pro forma adjustments. The RSU holders will generally incur taxable income based upon the value of the shares on the date they are settled. The Company is required to withhold taxes on such value at applicable minimum statutory rates. The Company was unable to quantify these obligations as of January 31, 2019 and will remain unable to quantify them until the performance vesting condition is satisfied, as the withholding obligations will be based on the value of the shares on the settlement date.

F-8


Unaudited Pro Forma Loss Per Share Attributable to Common Stockholders
The unaudited pro forma basic and diluted net loss per share attributable to Slack common stockholders is computed to give effect to the automatic conversion of 373,371,712 shares of the Company’s outstanding convertible preferred stock into 373,371,712 shares of Class B common stock in connection with becoming a public company. The Company used the if-converted method as though the conversion had occurred as of the beginning of the period or the original date of issuance, if later.
The pro forma share amounts include shares of common stock issued for the Vesting RSUs as of January 31, 2019. Stock-based compensation associated with the RSUs is excluded from the pro forma presentation. If the performance vesting condition had been met on January 31, 2019,  22.4 million RSUs that had met their service condition would have vested and the Company would have recorded $157.5 million of cumulative stock-based compensation related to the outstanding RSUs.
Use of Estimates
The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. These estimates are based on information available as of the date of the consolidated financial statements. On a regular basis, management evaluates these estimates and assumptions; however, actual results could materially differ from these estimates.
The Company’s most significant estimates and judgments involve revenue recognition, stock-based compensation including the estimation of fair value of common stock, valuation of strategic investments, valuation of acquired goodwill and intangibles from acquisitions, period of benefit for deferred costs, and uncertain tax positions.
Revenue Recognition
On February 1, 2017, the Company adopted the requirements of Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers (“Topic 606”) as discussed further in Recently Adopted Accounting Pronouncements below. Topic 606 establishes a principle for recognizing revenue upon the transfer of promised goods or services to customers, in an amount that reflects the expected consideration received in exchange for those goods or services. Topic 606 also includes Subtopic 340-40, Other Assets and Deferred Costs—Contracts with Customers , which requires the deferral of incremental costs of obtaining a contract with a customer. Collectively, references to Topic 606 used herein refer to both Topic 606 and Subtopic 340-40. The Company adopted Topic 606 with retrospective application to the beginning of the earliest period presented. The impact of adopting Topic 606 on the Company’s revenue is not material to any of the periods presented. The primary impact of adopting Topic 606 relates to the deferral of incremental costs of obtaining customer contracts and the amortization of those costs over the period of benefit.
The Company derives its revenue from monthly and annual subscription fees earned from customers accessing Slack. The Company’s policy is to exclude sales and other indirect taxes when measuring the transaction price of its subscription agreements. The Company accounts for revenue contracts with customers by applying the requirements of Topic 606, which includes the following steps:
Identification of the contract, or contracts, with the customer;
Identification of the performance obligations in the contract;
Determination of the transaction price;
Allocation of the transaction price to the performance obligations in the contract; and
Recognition of the revenue when, or as, the Company satisfies a performance obligation.
Subscription revenue is recognized on a straight-line basis over the contractual term of the arrangement beginning on the date that the service is made available to the customer. The Company’s subscription service contracts are generally one month to thirty-six months in duration and are generally non-cancellable. Customers are billed either annually or

F-9


monthly in advance of services. The contracts do not provide customers with the right to take possession of the software supporting Slack. The Company’s arrangements do not contain general rights of return. Amounts that have been invoiced are recorded in accounts receivable and in revenue or deferred revenue, depending on whether the performance obligation has been satisfied. For certain multi-year agreements, revenue recognition may occur in advance of invoicing, resulting in a contract asset when there is an enforceable right to receive payment for services rendered, and is included in prepaid expenses and other current assets. The Company maintains a fair billing policy, under which certain customers maintain a credit balance if they have not used the entirety of the allotment of users for which they have paid during the contractual term of their respective arrangements. These credits, accounted for as a part of deferred revenue, may be carried over to offset billings related to increases in a customer’s number of active users and are not refundable for cash. A majority of the Company’s contracts give a right to bill for additional usage, and this is deemed variable consideration. The variable consideration is allocated to the distinct day the services are completed, as services provided to the additional users are specific to the period that the usage occurs. To the extent that the Company believes it is probable that a significant reversal would not occur, an estimate is made for the revenue associated with incremental usage during a period. The incremental revenue recognized associated with these estimates has not been material for any period presented.
The Company recognized $18.7 million, $57.0 million, and $125.5 million of subscription revenue during the years ended January 31, 2017, 2018, and 2019 respectively, that was included in deferred revenue balances at the beginning of the respective periods.
The Company applies the practical expedient in paragraph 606-10-50-14 and does not disclose information about remaining performance obligations that have original expected durations of one year or less, which applies primarily to its monthly and annual subscription contracts. As of January 31, 2019, future estimated revenue related to performance obligations that are unsatisfied or partially unsatisfied at the end of the reporting period was $185.1 million, of which $87.7 million, $66.0 million, $31.3 million, and $0.1 million is expected to be recognized in the years ending January 31, 2020, 2021, 2022, and 2023, respectively.
The Company applies the practical expedient in paragraph 606-10-65-1(f) where the consideration allocated to the remaining performance obligations or an explanation of when it expects to recognize that amount as revenue for all reporting periods presented before the date of the initial application is not disclosed.
Cost of Revenue
Cost of revenue consists primarily of expenses related to hosting Slack and providing ongoing customer experience support for paid customers, including employee compensation (including stock-based compensation) and other employee-related expenses for customer experience and technical operations staff, payments to outside service providers, third-party hosting costs, payment processing fees and amortization of internally-developed and purchased technology.
Stock-Based Compensation
The Company measures compensation for all stock-based payment awards, including stock options, RSUs, and restricted stock awards (“RSAs”) granted to employees, directors, and nonemployees, based on the estimated fair value of the awards on the date of grant. The fair value of each stock option granted is estimated using the Black-Scholes option pricing model. Stock-based compensation is recognized on a straight-line basis over the requisite service period.
The Company accounts for stock options issued to nonemployees based on the estimated fair value of the awards determined using the Black-Scholes option pricing model. The fair value of stock options granted to nonemployees is remeasured as the stock options vest, and the resulting change in fair value, if any, is recognized in the Company’s consolidated statements of operations over the period during which the related services are rendered.
The Company grants RSUs to its employees and directors with both a service-based vesting condition and a performance-based vesting condition. The service-based vesting period for these awards is typically four years with a cliff vesting period of one year and continued vesting quarterly thereafter. The fair value of RSUs is estimated based on the fair market value of t he Company’s common stock at the date of grant. The performance-based vesting condition is satisfied on the earlier of (i) an acquisition or change in control of the Company or (ii) the Company’s initial public

F-10


offering. No compensation expense will be recognized until the performance-based vesting condition is achieved, at which time the cumulative compensation expense using the accelerated attribution method from the service start date will be recognized.
The Company grants RSAs to its employees and directors with a service-based vesting condition. The service-based vesting period for these awards is typically four years with a cliff vesting period of one year and continued vesting monthly thereafter. The fair value of RSAs is estimated based on the fair market value of t he Company’s common stock at the date of grant.
Research and Development Costs
Research and development costs are expensed as incurred and consist primarily of personnel costs and allocated overhead.
Advertising Costs
Advertising costs are expensed as incurred and were $39.3 million, $35.5 million, and $61.7 million for the years ended January 31, 2017, 2018, and 2019, respectively, and are included in sales and marketing expense in the accompanying consolidated statements of operations.
Income Taxes
The Company recognizes deferred tax liabilities and assets for the expected future tax consequences of temporary differences between the carrying amounts and the tax bases of assets and liabilities. A valuation allowance is established, when necessary, to reduce deferred tax assets to the amount that is more likely than not to be realized.
The Company accounts for uncertain tax positions based on an evaluation as to whether it is more likely than not that a tax position will be sustained on audit, including resolution of any related appeals or litigation processes. This evaluation is based on all available evidence and assumes that the appropriate tax authorities have full knowledge of all relevant information concerning the tax position. The tax benefit recognized is based on the largest amount that is greater than 50% likely of being realized upon ultimate settlement. The Company includes interest expense and penalties related to its uncertain tax positions in interest expense and other expense, respectively.
Financial Information about Segments and Geographical Areas
The Company has one business activity and there are no segment managers who are held accountable for operations, results of operations, or plans for levels or components below the consolidated unit level. The Company’s chief operating decision maker is its Chief Executive Officer, who reviews the financial information presented on a consolidated basis for purposes of allocating resources and evaluating the Company’s financial performance. Accordingly, the Company has determined that it operates in a single operating and reporting segment. For information regarding the Company’s long-lived assets and revenue by geographic area, see Note 12.
Foreign Currency Translation
The functional currency of the Company’s foreign subsidiaries is the U.S. dollar. Accordingly, each foreign subsidiary remeasures monetary assets and liabilities at period-end exchange rates, while nonmonetary items are remeasured at historical rates. Revenue and expense accounts are remeasured at the average exchange rate in effect during the year. Remeasurement adjustments are recognized in the consolidated statements of operations as transaction gains or losses in the year of occurrence as other income (expense). Realized and unrealized foreign currency gain (loss) for the years ended January 31, 2017, 2018, and 2019 was ($0.1) million, $0.5 million, and $(1.0) million, respectively.
Cash and Cash Equivalents and Restricted Cash
The Company considers all highly liquid investments with an original maturity of three months or less when purchased to be cash equivalents. Cash equivalents consist of funds deposited into money market funds. Restricted

F-11


cash as of January 31, 2019 consisted of cash deposited with financial institutions as collateral for the Company’s obligations under its facility leases.
A reconciliation of cash, cash equivalents and restricted cash to the consolidated statements of cash flows is as follows (in thousands):
 
As of January 31,
 
2018
 
2019
Cash and cash equivalents
$
120,463

 
$
180,770

Restricted cash
17,600

 
20,490

Total cash, cash equivalents and restricted cash
$
138,063

 
$
201,260

Marketable Securities
The Company determines the appropriate classification of its investments in marketable securities at the time of purchase and reevaluates such designation at each balance sheet date. The Company has classified and accounted for its marketable securities as available-for-sale. The investments are adjusted for amortization of premiums and discounts to maturity and such amortization is included in other income (expense), net. After consideration of the Company’s capital preservation objectives, as well as its liquidity requirements, the Company may sell securities prior to their stated maturities. As the Company views these securities as available to support current operations, it has classified all available-for-sale securities as short-term. The Company carries its available-for-sale securities at fair value and reports the unrealized gains and losses as a component of stockholders’ equity, except for unrealized losses determined to be other than temporary.
The Company evaluates its investments periodically for possible other-than-temporary impairment. A decline in fair value below the amortized costs of debt securities is considered an other-than-temporary impairment if the Company has the intent to sell the security or it is more likely than not that the Company will be required to sell the security before recovery of the entire amortized cost basis. In those instances, an impairment charge equal to the difference between the fair value and the amortized cost basis is recognized in earnings. Regardless of the Company’s intent or requirement to sell a debt security, impairment is considered other than temporary if the Company does not expect to recover the entire amortized cost basis.
Strategic Investments
In December 2015, the Company agreed to commit $13.0 million to a newly formed entity, Slack Fund L.L.C. (“Slack Fund”), in exchange for a 52% voting interest. Slack Fund is in the business of purchasing, selling, investing and trading in minority equity and convertible debt securities of privately-held companies that develop applications that have potential for substantial contribution to Slack and its ecosystem. Slack Fund has a duration of ten years and its duration may be extended for three additional years. At dissolution, Slack Fund will be liquidated and the remaining assets of the Slack Fund will be distributed to the investors based on their voting interest. As of January 31, 2019, the Company had contributed $8.8 million since the inception of the Slack Fund. Additionally, the minority investors in Slack Fund are also investors in the Company. The Company has elected the measurement alternative, defined as cost, less any impairment, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. These investments are valued using significant unobservable inputs or data in inactive markets which require judgment due to the absence of market prices and inherent lack of liquidity. This could result in volatility in other income (expense), net on the consolidated statements of operations in future periods due to the valuation and timing of identical or similar investments of the same issuer.
Concentration of Credit Risk
Financial instruments that potentially subject the Company to credit risk primarily consist of cash and cash equivalents, restricted cash, marketable securities, and accounts receivable. For cash, cash equivalents, restricted cash, and marketable securities, the Company is exposed to credit risk in the event of default by the financial institutions to the extent of the amounts recorded on the accompanying consolidated balance sheets that are in excess of federal

F-12


insurance limits. For accounts receivable, the Company is exposed to credit risk in the event of nonpayment by customers to the extent of the amounts recorded on the accompanying consolidated balance sheets.
No customer accounted for 10% or greater of total accounts receivable as of January 31, 2018 or 2019. There were no customers representing 10% or greater of revenue for the years ended January 31, 2017, 2018 or 2019.
Fair Value of Financial Instruments
The Company records its financial assets and liabilities at fair value. The carrying amounts of the Company’s financial instruments, which include cash, cash equivalents, restricted cash, accounts receivable, and accounts payable, approximate their fair values due to their short-term nature. The accounting guidance for fair value provides a framework for measuring fair value, clarifies the definition of fair value, and expands disclosures regarding fair value measurements. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the reporting date. The accounting guidance establishes a three-tiered hierarchy, which prioritizes the inputs used in the valuation methodologies in measuring fair value as follows:
Level 1 inputs: Unadjusted quoted prices in active markets for identical assets or liabilities accessible to the reporting entity at the measurement date.
Level 2 inputs: Other than quoted prices included in Level 1 inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the asset or liability.
Level 3 inputs: Unobservable inputs for the asset or liability used to measure fair value to the extent that observable inputs are not available, thereby allowing for situations in which there is little, if any, market activity for the asset or liability at measurement date.
A financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement.
Accounts Receivable, Net
Trade accounts receivable are recorded at invoiced amounts and do not bear interest. The Company generally does not require collateral and performs ongoing credit evaluations of its customers and provides for expected losses. The expectation of collectability is based on the Company’s review of credit profiles of customers, contractual terms and conditions, current economic trends, and historical payment experience. If events or changes in circumstances indicate that specific receivable balances may be impaired, further consideration is given to the collectability of those balances and an allowance is recorded accordingly. Past-due receivable balances are written off when internal collection efforts have been unsuccessful in collecting the amount due.
The allowance for doubtful accounts reflects the Company’s best estimate of probable losses inherent in the receivables portfolio determined on the basis of historical experience, specific allowances for known troubled accounts and other currently available evidence. The Company has not experienced significant credit losses from accounts receivable. The allowance for doubtful accounts and the changes in the allowance for doubtful accounts were not material, for the years ended January 31, 2018 and 2019.
Property and Equipment, Net
Property and equipment, net is stated at cost less accumulated depreciation and amortization. Depreciation is computed using the straight-line method over the estimated useful life of the related asset, which is typically two years for computer equipment and software, five years for furniture, fixtures and office equipment, and in the case of leasehold improvements, the remaining term of the lease, unless the useful life of the asset is shorter. Maintenance and repairs are charged to expense as incurred.
Internal-Use Software Development Costs
The Company capitalizes qualifying internal-use software development costs that are incurred during the application development stage. Capitalization of costs begins when two criteria are met: (i) the preliminary project

F-13


stage is completed and (ii) it is probable that the software will be completed and used for its intended function. Capitalization ceases when the software is substantially complete and ready for its intended use, including the completion of all significant testing. Costs related to preliminary project activities and post-implementation operating activities are expensed as incurred.
Capitalized costs are included in property and equipment. These costs are amortized over the estimated useful life of the software (generally two years) on a straight-line basis. Management evaluates the useful life of these assets on an annual basis and tests for impairment whenever events or changes in circumstances occur that could impact the recoverability of these assets. The amortization of costs related to the platform applications is included in cost of revenue.
Business Combinations
The Company applies the acquisition method of accounting for business combinations. Under this method of accounting, all assets acquired and liabilities assumed are recorded at their respective fair values at the date of the acquisition. Determining the fair value of assets acquired and liabilities assumed requires management’s judgment and often involves the use of significant estimates and assumptions, including assumptions with respect to future cash inflows and outflows, discount rates, intangibles, and other asset lives, among other items. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Market participants are assumed to be buyers and sellers in the principal (most advantageous) market for the asset or liability. Additionally, fair value measurements for an asset assume the highest and best use of that asset by market participants. As a result, the Company may be required to value the acquired assets at fair value measures that do not reflect its intended use of those assets. Use of different estimates and judgments could yield different results.
Any excess of the purchase price over the fair value of the net assets acquired is recognized as goodwill. If the fair value of net assets acquired exceeds the fair value of purchase price, a gain on bargain purchase is recognized within the consolidated statements of operations. Although the Company believes the assumptions and estimates it has made are reasonable and appropriate, they are based in part on historical experience and information that may be obtained from the management of the acquired company and are inherently uncertain. During the measurement period, which may be up to one year from the acquisition date, the Company may record adjustments to the assets acquired and liabilities assumed with the corresponding offset to goodwill for facts and considerations that were known at the acquisition date. Upon the conclusion of the measurement period or final determination of the values of assets acquired or liabilities assumed, whichever comes first, any subsequent adjustments are recorded within the Company’s consolidated statements of operations.
Accounting for Impairment of Long-Lived Assets
The Company evaluates long-lived assets, such as property and equipment and acquired intangibles, for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets held and used is measured by comparison of the carrying amount of an asset or an asset group to estimated undiscounted future net cash flows expected to be generated by the asset or asset group. If the carrying amount of an asset exceeds these estimated future cash flows, an impairment charge is recognized by the amount by which the carrying amount of the assets exceeds the fair value of the asset or asset group, based on discounted cash flows. There were no impairment charges recorded for the years ended January 31, 2017, 2018 and 2019.
Goodwill
Goodwill is not amortized, but rather is tested for impairment at least annually or more frequently if indicators of impairment are present. The Company operates as one reporting unit and performs its annual goodwill impairment analysis as of the first day of the fourth quarter of each year. The Company adopted ASU No. 2017-04,  Intangibles—Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment in the year ended January 31, 2018. In assessing impairment on goodwill, the Company may bypass a qualitative assessment and proceeds directly to performing a quantitative evaluation of the fair value of its single reporting unit, in order to compare it against the carrying value of the reporting unit. A goodwill impairment charge is recognized for the amount by which the reporting unit’s fair value is less than its carrying value. Any loss recognized will not exceed the total amount of goodwill allocated

F-14


to that reporting unit. Based on the results of the goodwill impairment analyses, the Company determined that no impairment charge needed to be recorded for any periods presented.
Operating Leases
The Company leases real estate facilities under operating leases. For leases that contain rent escalation, rent concession provisions, or tenant improvement allowances, the Company records the total rent expense during the lease term on a straight-line basis over the term of the lease. The Company records the difference between the rent paid and the straight-line rent expense as a deferred rent liability within accrued expenses and other current liabilities and long-term liabilities.
Deferred Revenue
Deferred revenue consists of customer billings in advance of revenue being recognized from the Company’s contracts, including credit balances due to the Company’s fair billing policy. Deferred revenue is generally recognized during the succeeding twelve‑month period.
Deferred Costs, Net
Sales commissions earned by the Company’s sales force are considered to be incremental and recoverable costs of obtaining a contract with a customer. As a result, these amounts have been capitalized as deferred costs within prepaid expenses and other current assets and other assets on the consolidated balance sheet. The Company deferred incremental costs of obtaining a contract of $0.4 million, $4.7 million, and $15.8 million during the years ended January 31, 2017, 2018, and 2019, respectively.
Deferred commissions, net included in prepaid expenses and other current assets were $1.3 million and $5.3 million as of January 31, 2018 and 2019, respectively. Deferred commissions, net included in other assets were $3.3 million and $11.9 million as of January 31, 2018 and 2019, respectively.
Deferred costs are amortized over a period of benefit of four years. The period of benefit is estimated by considering factors such as historical customer attrition rates, the useful life of the Company’s technology, and the impact of competition in its industry as well as other factors. Amortized costs are included in sales and marketing expense in the accompanying consolidated statements of operations and were $13,000, $0.6 million, and $3.2 million for the years ended January 31, 2017, 2018, and 2019, respectively. There was no impairment loss in relation to the deferred costs for any period presented.
Recently Adopted Accounting Standards
In May 2014, the Financial Accounting Standards Board (“FASB”) issued Topic 606. Topic 606 supersedes the revenue recognition requirements in Accounting Standards Codification (“ASC”) Topic 605, Revenue Recognition, and requires the recognition of revenue when promised goods or services are transferred to customers in an amount that reflects the consideration to which the entity expects to be entitled to in exchange for those goods or services. Topic 606 also includes Subtopic 340-40, Other Assets and Deferred Costs—Contracts with Customers , which requires the deferral of incremental costs of obtaining a contract with a customer. Collectively, Topic 606 and Subtopic 340-40 are referred as the “new standard.”
The Company early adopted the requirements of the new standard as of February 1, 2017, utilizing the full retrospective method of transition. Adoption of the new standard resulted in changes to its accounting policies for revenue recognition, deferred revenue, prepaid expenses and other current assets, and other assets.
In January 2016, the FASB issued ASU No. 2016-01, Recognition and Measurement of Financial Assets and Financial Liabilities (Subtopic 825-10) and issued a subsequent amendment to the initial guidance within ASU 2018-03, which requires entities to carry all investments in equity securities at fair value and recognize any changes in fair value in net income. Under the standard, equity investments that do not have readily determinable fair values and do not qualify for the net asset value practical expedient are eligible for the measurement alternative. For our equity investments in private companies, we will elect the measurement alternative, defined as cost, less any impairment, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the

F-15


same issuer. The guidance was effective for the Company’s fiscal year beginning February 1, 2018 on a prospective basis for the amendments related to equity securities without readily determinable fair values existing as of the date of adoption. The Company adopted the new standard as of February 1, 2018 and it did not have a material impact on its consolidated financial statements. The impact of the new standard going forward could result in volatility in other income (expense), net on the consolidated statements of operations in future periods due to the valuation and timing of identical or similar investments of the same issuer.
In October 2016, the FASB issued ASU No. 2016-16, Income Taxes (Topic 740) Intra-Entity Transfers of Assets other than Inventory, which amends the guidance used in the recognition of current and deferred income taxes for an intra-entity transfer of assets other than inventory. The guidance requires an entity recognize the income tax consequences of an intra-entity transfer of an asset other than inventory at the time of transfer. The guidance is effective for annual and interim reporting periods beginning after December 15, 2017 for public entities. The Company adopted ASU No. 2016-06 as of February 1, 2018. The adoption of this guidance did not have a material impact on the Company’s consolidated financial statements.
In November 2016, the FASB issued ASU No. 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash . The guidance requires restricted cash be included with cash and cash equivalents when reconciling the total beginning and ending amounts on the statement of cash flows. The guidance also requires companies who report cash and restricted cash separately on the balance sheet to reconcile those amounts to the statement of cash flows. The Company adopted ASU 2016-18 as of February 1, 2017, utilizing the retrospective method of transition. The adoption of this standard did not have any impact on the Company’s consolidated financial statements, other than a change in presentation within the accompanying consolidated statements of cash flows.
In January 2017, the FASB issued ASU No. 2017-01, Business Combinations (Topic 805): Clarifying the Definition of a Business , which clarifies the definition of a business to determine when a transaction is accounted for as an acquisition (or disposal) of a set of assets or a business. The Company adopted ASU No. 2017-01 as of February 1, 2018, utilizing the prospective method of transition. The adoption of the new standard did not have any impact on the consolidated financial statements.
In January 2017, the FASB issued ASU No. 2017-04, Intangibles—Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment which amends the guidance in ASC Topic 350 by eliminating Step 2 from the goodwill impairment test. Under the new guidance, entities will perform goodwill impairment tests by comparing the fair value of a reporting unit with its carrying amount and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. The standard is effective for annual and interim goodwill impairment tests in fiscal years beginning after December 15, 2019 for public entities. Early adoption is permitted and the Company adopted ASU No. 2017-04 as of February 1, 2017. The adoption of the new standard did not have any impact on the consolidated financial statements.
In May 2017, the FASB issued ASU No. 2017-09, Compensation-Stock Compensation: Scope of Modification Accounting , which clarifies when a change to the terms or conditions of a stock-based payment award must be accounted for as a modification. This guidance requires modification accounting if the fair value, vesting condition, or the classification of the award is not the same immediately before and after a change to the terms and conditions of the award. This standard was effective for annual periods beginning after December 15, 2017 and early adoption was permitted. The Company adopted ASU No. 2017-09 as of February 1, 2018, utilizing the prospective method of transition. The adoption of this guidance did not have a material impact on the consolidated financial statements.
Recently Issued Accounting Standards Not Yet Adopted
In February 2016, the FASB issued ASU No. 2016-02 (Topic 842), Leases , which supersedes the guidance in topic ASC 840, Leases. The new standard requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase by the lessee. This classification will determine whether lease expense is recognized based on an effective interest method or on a straight-line basis over the term of the lease. A lessee is also required to record a right-of-use asset and a lease liability for all leases with a term of greater than 12 months regardless of their classification. Leases with a term of 12 months or less will be accounted for similar to existing guidance for operating leases today. Under the standard, disclosures are required to meet the objective of enabling users of financial statements to assess the amount, timing, and uncertainty of cash

F-16


flows arising from leases. The Company will be required to recognize and measure leases existing at, or entered into after, the beginning of the earliest comparative period presented using a modified retrospective approach, with certain practical expedients available. For public companies, Topic 842 is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years. The Company has elected to use the extended transition period that allows the Company to delay adoption of new or revised accounting pronouncements applicable to public companies until such pronouncements are made applicable to private companies under the Jumpstart Our Business Startups Act. For as long as the Company remains an “emerging growth company,” the new guidance is effective for annual reporting periods beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020, and is required to be applied using a modified retrospective approach. Early adoption is permitted. The Company is currently evaluating the impact of the adoption of this standard on its consolidated financial statements.
In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326) Measurement of Credit Losses on Financial Instruments, which requires an entity to utilize a new impairment model known as the current expected credit loss (“CECL”) model to estimate its lifetime “expected credit loss” and record an allowance that, when deducted from the amortized cost basis of the financial asset, presents the net amount expected to be collected on the financial asset. The CECL model is expected to result in more timely recognition of credit losses. This guidance also requires new disclosures for financial assets measured at amortized cost, loans and available-for-sale debt securities. ASU No. 2016-13 is effective for public companies for annual periods beginning after December 15, 2019, including interim periods within those fiscal years. Entities will apply the standard’s provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is adopted. The Company is currently of evaluating the impact of the adoption of this standard on its consolidated financial statements.
In August 2018, the FASB issued ASU No. 2018-15, Intangibles-Goodwill and Other-Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract , which aligns the accounting for implementation costs incurred in a hosting arrangement that is a service contract with the accounting for implementation costs incurred to develop or obtain internal-use software under ASC 350-40, in order to determine which costs to capitalize and recognize as an asset and which costs to expense. ASU No. 2018-15 is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2019, and can be applied either prospectively to implementation costs incurred after the date of adoption or retrospectively to all arrangements. The Company is currently evaluating the impact of the adoption of this standard on its consolidated financial statements.
Note 2.    Cash, Cash Equivalents and Marketable Securities
The carrying amounts and estimated fair value of cash, cash equivalents, and marketable securities consisted of the following (in thousands):
 
As of January 31,
 
2018
 
2019
Cash and cash equivalents:
 
 
 
Cash
$
40,797

 
$
62,033

Money market funds
79,666

 
118,737

Cash and cash equivalents
$
120,463

 
$
180,770

Marketable securities:
 
 
 
Commercial paper
$
167,976

 
$
17,462

U.S. agency securities
15,155

 
44,879

U.S. government securities
11,185

 
370,574

International government securities
59,939

 
36,734

Corporate bonds
174,043

 
190,652

Total marketable securities
$
428,298

 
$
660,301


F-17


The following tables summarize unrealized gains and losses related to available-for-sale securities classified as marketable securities on the Company’s consolidated balance sheets (in thousands):
As of January 31, 2018
 
Amortized
cost
 
Unrealized
gains
 
Unrealized
losses
 
Fair value
Commercial paper
 
$
168,025

 
$

 
$
(49
)
 
$
167,976

U.S. agency securities
 
15,197

 

 
(42
)
 
15,155

U.S. government securities
 
11,207

 

 
(22
)
 
11,185

International government securities
 
60,151

 

 
(212
)
 
59,939

Corporate bonds
 
174,807

 

 
(764
)
 
174,043

Marketable securities
 
$
429,387

 
$

 
$
(1,089
)
 
$
428,298

As of January 31, 2019
 
Amortized
cost
 
Unrealized
gains
 
Unrealized
losses
 
Fair value
Commercial paper
 
$
17,461

 
$
1

 
$

 
$
17,462

U.S. agency securities
 
44,886

 
7

 
(14
)
 
44,879

U.S. government securities
 
370,498

 
143

 
(67
)
 
370,574

International government securities
 
36,810

 

 
(76
)
 
36,734

Corporate bonds
 
190,944

 

 
(292
)
 
190,652

Marketable securities
 
$
660,599

 
$
151

 
$
(449
)
 
$
660,301

The Company periodically evaluates its investments for other-than-temporary declines in fair value. The unrealized losses on the available-for-sale securities were primarily due to unfavorable changes in interest rates subsequent to the initial purchase of these securities. Gross unrealized losses of the Company’s available-for-sale securities that have been in a continuous unrealized loss position for twelve months or longer was immaterial as of January 31, 2018 and 2019. The Company expects to recover the full carrying value of its available-for-sale securities in an unrealized loss position as it does not intend or anticipate a need to sell these securities prior to recovering the associated unrealized losses. As a result, the Company does not consider any portion of the unrealized losses as of January 31, 2018 or 2019 to represent an other-than temporary impairment or credit losses.
The following table classifies marketable securities by contractual maturities (in thousands):
 
As of January 31,
 
2018
 
2019
Due in one year
$
358,015

 
$
506,297

Due in one to two years
70,283

 
154,004

Total
$
428,298

 
$
660,301

Note 3.    Fair Value Measurements
The Company’s money market funds and sweep account are classified within Level 1 of the fair value hierarchy because they are valued using quoted prices in active markets. The Company’s commercial paper, U.S. agency and government securities, international government securities, certificates of deposit, and corporate bonds are classified within Level 2 of the fair value hierarchy because they have been valued using inputs other than quoted prices in active markets that are observable directly or indirectly. The Company’s strategic investments in privately held companies are classified within Level 3 of the fair value hierarchy because they have been valued using unobservable inputs for which the Company has been required to develop its own assumptions. Realized and unrealized gains and losses relating to the strategic investments are recorded in other income (expense), net in the accompanying consolidated statements of operations.

F-18


The following table provides the financial instruments measured at fair value on a recurring basis, within the fair value hierarchy (in thousands):
As of January 31, 2018
 
Level 1
 
Level 2
 
Level 3
 
Total
Cash equivalents:
 
 
 
 
 
 
 
 
Money market funds
 
$
79,666

 
$

 
$

 
$
79,666

Total cash equivalents
 
$
79,666

 
$

 
$

 
$
79,666

Marketable securities:
 
 
 
 
 
 
 
 
Commercial paper
 
$

 
$
167,976

 
$

 
$
167,976

U.S. agency securities
 

 
15,155

 

 
15,155

U.S. government securities
 

 
11,186

 

 
11,186

International government securities
 

 
59,938

 

 
59,938

Corporate bonds
 

 
174,043

 

 
174,043

Total marketable securities
 
$

 
$
428,298

 
$

 
$
428,298

Noncurrent assets:
 
 
 
 
 
 
 
 
Strategic investments
 
$

 
$

 
$
7,623

 
$
7,623

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
As of January 31, 2019
 
Level 1
 
Level 2
 
Level 3
 
Total
Cash equivalents:
 
 
 
 
 
 
 
 
Money market funds
 
$
118,737

 
$

 
$

 
$
118,737

Total cash equivalents
 
$
118,737

 
$

 
$

 
$
118,737

Marketable securities:
 
 
 
 
 
 
 
 
Commercial paper
 
$

 
$
17,462

 
$

 
$
17,462

U.S. agency securities
 

 
44,879

 

 
44,879

U.S. government securities
 

 
370,574

 

 
370,574

International government securities
 

 
36,734

 

 
36,734

Corporate bonds
 

 
190,652

 

 
190,652

Total marketable securities
 
$

 
$
660,301

 
$

 
$
660,301

Noncurrent assets:
 
 
 
 
 
 
 
 
Strategic investments
 
$

 
$

 
$
12,334

 
$
12,334

The following table presents additional information about Level 3 assets measured at fair value on a recurring basis (in thousands):
 
Year ended January 31,
 
2018
 
2019
Balance at beginning of period
$
4,812

 
$
7,623

Purchases
2,901

 
2,276

Proceeds from liquidation
(117
)
 
(1,266
)
Realized losses
(142
)
 
(131
)
Unrealized gains relating to investments still held at reporting date
169

 
3,832

Balance at end of period
$
7,623

 
$
12,334


F-19


Note 4.    Property and Equipment, Net
The following is a summary of the Company’s property and equipment by category (in thousands):
 
As of January 31,
 
2018
 
2019
Computer equipment and software
$
6,093

 
$
2,222

Furniture and fixtures
10,784

 
19,693

Capitalized internal-use software costs
3,401

 
4,241

Leasehold improvements
26,164

 
86,258

Construction in progress
18,320

 
6,076

Property and equipment, gross
64,762

 
118,490

Less: accumulated depreciation and amortization
(21,765
)
 
(30,131
)
Property and equipment, net
$
42,997

 
$
88,359

Depreciation and amortization expense was $6.2 million, $13.8 million, and $15.0 million for the years ended January 31, 2017, 2018, and 2019, respectively.
The Company capitalized internal-use software costs of $50,000 and $0.8 million for the years ended January 31, 2018 and 2019, respectively. Amortization expense of capitalized internal-use software costs totaled $1.0 million, $1.2 million, and $0.3 million for the years ended January 31, 2017, 2018, and 2019, respectively. The net carrying value of capitalized internal-use software at January 31, 2018 and 2019 was $0.4 million and $0.9 million, respectively.
Note 5.    Acquisitions
Astro Technology
In September 2018, the Company completed its acquisition of all issued and outstanding shares of Astro Technology Inc. (“Astro”), a pre-revenue start-up company that provides artificial-intelligence (AI) enhanced communications solutions, for a total purchase price of $43.3 million in cash.
The Company has accounted for this acquisition as a business combination and has completed the valuation of the assets acquired and liabilities assumed and the allocation of the purchase price to goodwill as of January 31, 2019. A summary of the allocation of the purchase price is presented as follows (in thousands):
Identified intangible asset - developed technology
$
5,300

Goodwill
37,795

Net tangible assets acquired
234

Total purchase price
$
43,329

The goodwill was primarily attributed to the value of synergies created with the Company’s current and future offerings and the value of the assembled workforce. The Company anticipates both goodwill and intangible assets to be fully deductible for income tax purposes.
The Company also agreed to pay additional cash consideration of $10.7 million for unvested securities in return for future services to be provided by certain employees acquired from Astro upon continued employment by the Company. The cash consideration will be paid on each original vesting date of the unvested securities through June 2022. The Company accounted for the cash consideration outside the business combination and recorded compensation expense of $1.6 million in research and development expense in the accompanying consolidated statement of operations for the year ended January 31, 2019.

F-20


The Company incurred other acquisition related expenses of $0.4 million which were recorded in general and administrative expense in the accompanying consolidated statement of operations for the year ended January 31, 2019.
Other acquisitions
During the year ended January 31, 2019, the Company completed other acquisitions and purchases of intangible assets for total consideration of $14.5 million, of which $5.3 million and $5.0 million will be paid in the years ending January 31, 2020 and 2021, respectively. In aggregate, $11.7 million was attributed to intangible assets, $2.2 million was attributed to goodwill, and $0.6 million was attributed to a service agreement.
As part of one of the acquisitions referenced above, the Company concurrently entered into a two-year services agreement, a purchase of technology and a sale of its Class A common stock. Concurrent with this transaction, the Company sold 896,057 shares of Class A common stock to the sellers for $10.0 million. This represented a premium of $3.9 million over the then fair value of the shares which the Company recorded as a reduction to the acquisition price. These arrangements were treated as one transaction as they were executed at the same time and in contemplation of one another. The Company accounted for the transaction as an asset acquisition with $9.9 million being allocated to intangible assets and $0.6 million to the services arrangement.
These acquisitions generally enhance the breadth and depth of the Company’s product offerings, expand its expertise in engineering, and are for defensive purposes to eliminate competition. The Company anticipates both goodwill and intangible assets from other acquisitions to be fully deductible for income tax purposes.
Following are the details of all intangible assets acquired as a result of acquisitions for the year ended January 31, 2019 (dollars in thousands):
 
Amount
 
Weighted
Average Life
Customer relationships
$
9,100

 
7 years
Developed technology
6,700

 
3 years
Assembled workforce
1,198

 
2 years
Fair value of intangible assets acquired
$
16,998

 
5 years
Note 6.    Goodwill and Intangible Assets, Net
Goodwill
The following table reflects the changes in the carrying amount of goodwill (in thousands):
 
Year ended January 31,
 
2018
 
2019
Balance at beginning of year
$
8,653

 
$
8,653

Additions due to acquisitions

 
39,945

Balance at end of year
$
8,653

 
$
48,598


F-21


Intangible Assets, Net
Intangible assets as of January 31, 2019 consist of the following (in thousands, except years):
 
Weighted-average
remaining
amortization period
 
Gross carrying
amount
 
Accumulated
amortization
 
Net carrying
amount
Customer relationships
6.5 years
 
$
9,100

 
$
704

 
$
8,396

Developed technology
2.6 years
 
8,527

 
2,743

 
5,784

Assembled workforce
1.7 years
 
1,198

 
175

 
1,023

Total
 
 
$
18,825

 
$
3,622

 
$
15,203

As of January 31, 2018, the net carrying amount of the Company’s intangible assets acquired from its previous acquisition was zero.
The Company records amortization expense associated with customer relationships, developed technology and assembled workforce in sales and marketing expense, cost of revenue and research and development expense, respectively, in the accompanying consolidated statements of operations. Amortization expense of intangible assets for the years ended January 31, 2017, 2018, and 2019 was $0.6 million , $0.5 million , and $1.8 million , respectively.
As of January 31, 2019, expected amortization expense relating to intangible assets for each of the next five years and thereafter is as follows (in thousands):
Year ending January 31,
 
2020
$
4,132

2021
3,957

2022
2,618

2023
1,300

2024
1,300

Thereafter
1,896

Total
$
15,203

Note 7.    Other Income (Expense), Net
Other income (expense), net for the years ended January 31, 2017, 2018, and 2019 consist of the following (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
Interest income, net
$
2,025

 
$
3,838

 
$
13,400

Unrealized gains (losses) on foreign exchange
851

 
1,970

 
(869
)
Transaction losses on foreign exchange
(998
)
 
(1,503
)
 
(99
)
Change in fair value of strategic investments
(73
)
 
27

 
3,701

Other non-operating income (loss), net
(56
)
 
249

 
13

Other income (expense), net
$
1,749

 
$
4,581

 
$
16,146


F-22


Note 8.    Commitments and Contingencies
Lease Commitments
The Company has entered into various noncancelable operating leases for its facilities expiring between fiscal years 2020 and 2029. Certain operating leases contain provisions under which monthly rent escalates over time. When lease agreements contain escalating rent clauses or free rent periods, the Company recognizes rent expense on a straight-line basis over the term of the lease.
In December 2016, the Company entered into a noncancelable operating lease for an office facility in San Francisco, California. In connection with entering into the lease agreement, the Company agreed to a security deposit of $17.6 million in the form of a standby letter of credit, which is included in restricted cash. The lease term is from November 2017 through August 2028, with future minimum lease payments of approximately $193.5 million as of January 31, 2019 through the year ended January 31, 2029. The Company is entitled to receive tenant incentives of $11.8 million, of which $5.8 million had been received as of January 31, 2019. Leasehold improvements associated with this lease will be amortized over the lease term.
In August 2018, the Company entered into a noncancelable operating lease agreement for an office facility in Denver, Colorado. In connection with entering into the lease agreement, the Company agreed to a security deposit of $2.9 million in the form of a standby letter of credit, which is included in restricted cash. The lease term is from February 2019 through June 2026, with remaining future minimum lease payments of $19.3 million. The Company is entitled to receive tenant incentives of $6.4 million, of which none had been received as of January 31, 2019.
Rent expense, net of sublease income, for the years ended January 31, 2017, 2018 and 2019 was $9.1 million, $17.5 million, and $27.7 million, respectively.
Future minimum lease payments under noncancelable operating leases as of January 31, 2019 are as follows (in thousands):
Year ending January 31,
 
2020
$
27,359

2021
25,832

2022
25,120

2023
24,802

2024
23,525

Thereafter
111,549

Total
$
238,187

Hosting Commitments
In April 2018, the Company executed an amendment to its existing agreement with Amazon Web Services (“AWS”). The amended agreement was effective as of May 1, 2018 and continues through July 31, 2023. The Company has minimum annual commitments of $50.0 million each year of the agreement term for a total minimum commitment of $250.0 million. As of January 31, 2019, the Company had a remaining minimum payment obligation of $212.5 million to AWS through July 31, 2023.
Legal Matters
The Company is involved from time to time in various claims and legal actions arising in the ordinary course of business. While it is not feasible to predict or determine the ultimate outcome of these matters, the Company believes that none of its current legal proceedings will have a material adverse effect on its financial position or results of operations.

F-23


Indemnification Agreements
The Company has signed indemnification agreements with all its directors and certain of its board observers. The agreements indemnify the director or board observer from claims and expenses on actions brought against the individuals, separately or jointly with the Company, for indemnifiable events. Indemnifiable events generally mean any event or occurrence related to the fact that the director or board observer was or is acting in his or her capacity as a director or board observer for the Company or was or is acting or representing the interests of the Company. The terms of obligations under these indemnification agreements may vary.
In the ordinary course of business, the Company enters into contractual arrangements under which the Company agrees to provide indemnification of varying scope and terms to business partners and other parties with respect to certain matters, including, but not limited to, losses arising out of the breach of such agreements, intellectual property infringement claims made by third parties, and other liabilities relating to or arising from its various products, or its acts or omissions. In these circumstances, payment may be conditional on the other party making a claim pursuant to the procedures specified in the particular contract. Further, the Company’s obligations under these agreements may be limited in terms of time and/or amount, and in some instances, the Company may have recourse against third parties for certain payments.
Note 9.    Stockholders’ Equity
Convertible Preferred Stock
From August to September 2018, the Company sold 33.5 million shares of Series H convertible preferred stock and 2.4 million shares of Series H-1 convertible preferred stock, each at a purchase price of $11.9053 per share, for aggregate gross proceeds of $427.3 million. The Company incurred $0.4 million in issuance costs, which are recorded as a reduction in the carrying value of the Series H convertible preferred stock.
In December 2017, the Company sold approximately 1.5 million shares of Series G-3 convertible preferred stock at $8.70 per share, for aggregate gross proceeds of $12.7 million.
In November 2017, the Company sold approximately 17.2 million shares of Series G-2 convertible preferred stock at $8.70 per share, for aggregate gross proceeds of $150.0 million.
In October 2017, the Company sold approximately 24.7 million shares of Series G convertible preferred stock and 2.1 million shares of Series G-1 convertible preferred stock at $9.305 per share, for aggregate gross proceeds of $250.0 million. The Company incurred $0.4 million in issuance costs, which are recorded as a reduction in the carrying value of the Series G convertible preferred stock.
In March 2016, the Company sold approximately 19.9 million shares of Series F convertible preferred stock and 6.8 million shares of Series F-1 convertible preferred stock at $7.80 per share, for aggregate gross proceeds of $208.0 million. The Company incurred $0.1 million in issuance costs, which are recorded as a reduction to the carrying value of the Series F convertible preferred stock.

F-24


At January 31, 2018, convertible preferred stock consisted of the following (in thousands):
 
January 31, 2018
 
Shares
 
Net
proceeds
 
Liquidation
preference
 
Authorized
 
Outstanding
 
 
Series A
84,751

 
84,751

 
$
8,011

 
$
8,060

Series B
43,320

 
43,320

 
10,674

 
10,700

Series C
64,805

 
64,805

 
42,678

 
42,750

Series D
47,059

 
42,490

 
108,266

 
108,350

Series D-1
1,235

 
1,235

 
2,561

 
3,149

Series E
26,787

 
22,602

 
134,832

 
135,000

Series E-1
6,047

 
6,047

 
37,940

 
37,950

Series F
19,867

 
19,867

 
154,957

 
155,000

Series F-1
6,793

 
6,793

 
52,940

 
53,000

Series G
24,718

 
24,718

 
229,648

 
230,000

Series G-1
2,149

 
2,149

 
20,000

 
20,000

Series G-2
17,241

 
17,241

 
150,000

 
150,000

Series G-3
1,465

 
1,465

 
12,714

 
8,700

Total
346,237

 
337,483

 
$
965,221

 
$
962,659

At January 31, 2019, convertible preferred stock consisted of the following (in thousands):
 
January 31, 2019
 
Shares
 
Net
 
Liquidation
 
Authorized
 
Outstanding
 
proceeds
 
preference
Series A
84,751

 
84,751

 
$
8,011

 
$
8,060

Series B
43,320

 
43,320

 
10,674

 
10,700

Series C
64,805

 
64,805

 
42,678

 
42,750

Series D
47,059

 
42,490

 
108,266

 
108,350

Series D-1
1,235

 
1,235

 
2,561

 
3,149

Series E
26,787

 
22,602

 
134,832

 
135,000

Series E-1
6,047

 
6,047

 
37,940

 
37,950

Series F
19,867

 
19,867

 
154,957

 
155,000

Series F-1
6,793

 
6,793

 
52,940

 
53,000

Series G
24,718

 
24,718

 
229,648

 
230,000

Series G-1
2,149

 
2,149

 
20,000

 
20,000

Series G-2
17,241

 
17,241

 
150,000

 
150,000

Series G-3
1,465

 
1,465

 
12,714

 
8,700

Series H
35,150

 
33,470

 
398,082

 
398,468

Series H-1
9,202

 
2,419

 
28,798

 
28,798

Total
390,589

 
373,372

 
$
1,392,101

 
$
1,389,925


F-25


Significant rights and preferences of the above convertible preferred stock are as follows:
Conversion
At any time following the date of issuance, each share of convertible preferred stock is convertible, at the option of its holder, into the number of shares of common stock, which results from dividing the applicable original issue price per share for each series by the applicable conversion price per share for such series. The initial conversion prices per share of all series of convertible preferred stock are equal to the original issue prices of each series, and therefore, the conversion ratio is 1:1.
Each share of convertible preferred stock shall be automatically converted into shares of Class B common stock immediately upon the earlier of (i) the closing of the Company’s sale of its common stock in a firm commitment underwritten public offering pursuant to a registration statement on Form S-1 or Form SB-2 under the Securities Act of 1933, as amended, the public offering price of which was not less than $30.0 million in the aggregate or (ii) the date, or the occurrence of an event, specified by vote or written consent or agreement of the holders of at least sixty percent (60%) of the then outstanding shares of convertible preferred stock.
Voting
The holders of convertible preferred stock are entitled to vote on all matters and are entitled to ten votes for each share of Class B common stock into which each share is then convertible. As long as a majority of shares of Series A convertible preferred stock, Series B convertible preferred stock, and Series C convertible preferred stock, remain outstanding the holders of each series are entitled to elect one director. Class A common stock and Class B common stock (voting as one class) are entitled to elect one director. Convertible preferred stock (except for Series F-1 convertible preferred stock and Series G-1 convertible preferred stock which do not vote for directors) and common stock, voting as a single class on an as-converted basis, are entitled to elect the remaining directors.
Dividends
The holders of convertible preferred stock are entitled to receive, when and if declared by the Company’s board of directors, out of any assets legally available therefor, any dividends as may be declared from time to time by the Company’s board of directors. Any remaining dividends shall be paid to the holders of convertible preferred stock and common stock in proportion to the number of shares outstanding on an as-converted basis. The right to receive dividends on shares of convertible preferred stock is noncumulative. No dividends have been declared or paid by the Company as of January 31, 2017, 2018, or 2019.
Liquidation Preference
Each holder of Series A convertible preferred stock, Series B convertible preferred stock, Series C convertible preferred stock, Series D convertible preferred stock, Series E convertible preferred stock, Series E-1 convertible preferred stock, Series F convertible preferred stock, Series F-1 convertible preferred stock, Series G convertible preferred stock, Series G-1 convertible preferred stock, Series G-2 convertible preferred stock, Series G-3 convertible preferred stock, Series H convertible preferred stock, and Series H-1 convertible preferred stock is entitled to receive, prior and in preference to any distribution or payment to the holders of the Series D-1 convertible preferred stock or the common stock, a liquidation preference of $0.10 for each share of Series A convertible preferred stock, $0.25 for each share of Series B convertible preferred stock, $0.66 for each share of Series C convertible preferred stock, $2.55 for each share of Series D convertible preferred stock, $5.97 for each share of Series E convertible preferred stock, $6.27 for each share of Series E-1 convertible preferred stock, $7.80 for each share of Series F convertible preferred stock, $7.80 for each share of Series F-1 convertible preferred stock, $9.305 for each share of Series G convertible preferred stock, $9.305 for each share of Series G-1 convertible preferred stock, $8.70 for each share of Series G-2 convertible preferred stock, $5.97 for each share of Series G-3 convertible preferred stock, $11.9053 for each share of Series H convertible preferred stock, and $11.9053 for each share of Series H-1 convertible preferred stock plus an amount equal to all declared but unpaid dividends on such shares. If, upon any liquidation, dissolution, or winding-up of the Company, whether voluntary or involuntary (a “Liquidation Event”), the assets of the Company are insufficient to make payment in full to the holders of Series A convertible preferred stock, Series B convertible preferred stock, Series C convertible

F-26


preferred stock, Series D convertible preferred stock, Series E convertible preferred stock, Series E-1 convertible preferred stock, Series F convertible preferred stock, Series F-1 convertible preferred stock, Series G convertible preferred stock, Series G-1 convertible preferred stock, Series G-2 convertible preferred stock, Series G-3 convertible preferred stock, Series H convertible preferred stock, and Series H-1 convertible preferred stock as described in the preceding sentence, then such assets shall be distributed among such holders ratably in proportion to the full amounts to which they would otherwise be respectively entitled.
After payment has been made to the holders of Series A convertible preferred stock, Series B convertible preferred stock, Series C convertible preferred stock, Series D convertible preferred stock, Series E convertible preferred stock, Series E-1 convertible preferred stock, Series F convertible preferred stock, Series F-1 convertible preferred stock, Series G convertible preferred stock, Series G-1 convertible preferred stock, Series G-2 convertible preferred stock, Series G-3 convertible preferred stock, Series H convertible preferred stock, and Series H-1 convertible preferred stock, each holder of Series D-1 convertible preferred stock is entitled to receive, prior and in preference to any distribution or payment to the holders of the common stock, a liquidation preference of $2.55 for each share of Series D-1 convertible preferred stock, plus an amount equal to all declared but unpaid dividends on such shares. If, upon any Liquidation Event, the assets of the Company are insufficient to make payment in full to the holders of Series D-1 convertible preferred stock, as described in the preceding sentence, then such assets shall be distributed among the holders of the Series D-1 convertible preferred stock ratably in proportion to the full amounts to which they would otherwise be respectively entitled.
After payment has been made to the holders of all of the series of convertible preferred stock, the remaining assets available for distribution will be distributed ratably among the holders of common stock.
Redemption
The convertible preferred stock is not redeemable.
Common Stock
The Company’s amended and restated certificate of incorporation authorizes the issuance of Class A common stock and Class B common stock. As of January 31, 2019, the Company is authorized to issue 660.0 million shares of Class A common stock and 650.0 million shares of Class B common stock. Holders of Class A common stock and Class B common stock are entitled to dividends on a pro rata basis, when, as, and if declared by the Company’s board of directors, subject to the rights of the holders of the Company’s convertible preferred stock. Holders of Class A common stock are entitled to one vote per share, and holders of Class B common stock are entitled to ten votes per share. Upon a Liquidation Event, as defined in the amended and restated certificate of incorporation, after payments are made to holders of the Company’s convertible preferred stock, any distribution of proceeds to common stockholders will be made on a pro rata basis to the holders of Class A common stock and Class B common stock. Following the completion of an initial public offering of the Company, shares of Class B common stock will automatically convert into shares of Class A common stock upon a sale or transfer (other than with respect to certain estate planning and other transfers). All shares of Class B common stock outstanding on the seventh anniversary of the date of the effectiveness of the Company’s registration statement will automatically convert into shares of Class A common stock. Class A common stock and Class B common stock is not redeemable at the option of the holder.
At January 31, 2019, the Company had reserved shares of Class B common stock for future issuance as follows (in thousands):
Convertible preferred stock
373,372

2009 Stock Plan:
 
Stock options outstanding
18,406

Restricted stock units and awards outstanding
65,403

Shares available for future grants
19,199

Total
476,380


F-27


Equity Incentive Plan
The Company maintains a stock plan, the 2009 Stock Plan (the “Plan”), which allows the Company to grant incentive and nonstatutory stock options, RSUs, and RSAs to employees, directors, and consultants of the Company. Stock options granted under the Plan expire no later than ten years from the date of grant. Stock options and RSAs granted under the Plan usually vest over four years, with 25% vesting on the one-year anniversary and 1/48th vesting monthly thereafter and may include provisions for early exercisability. When stock options are exercised subject to a repurchase right, the Company may buy back any unvested shares at their original exercise price in the event of an employee’s termination prior to full vesting. RSUs granted under the Plan have a service-based vesting period which is typically four years with a cliff vesting period of one year and continued vesting quarterly thereafter and a performance-based requirement that is satisfied on the earlier of: (1) a change in control or (2) the effective date of an initial public offering.
The exercise price of incentive stock options granted under the Plan must be at least equal to 100% of the fair market value of the Company’s common stock at the date of grant, as determined by the Company’s board of directors. The exercise price must not be less than 110% of the fair market value of the Company’s common stock at the date of grant for incentive stock options granted to an employee that owns greater than 10% of the Company stock.
Stock Options
A summary of stock option activity under the Plan and related information is as follows (in thousands, except years and per share data):
 
Number of stock options outstanding
 
Weighted-average exercise price per share
 
Weighted-average remaining contractual term (In years)
 
Aggregate intrinsic value
Outstanding at January 31, 2018
23,720

 
$
0.94

 
7.14

 
$
90,047

Exercised
(4,888
)
 
0.88

 
 
 
 
Cancelled
(426
)
 
1.76

 
 
 
 
Outstanding at January 31, 2019
18,406

 
$
0.94

 
6.12

 
$
177,012

Stock options vested and exercisable at January 31, 2019
16,970

 
$
0.83

 
6.05

 
$
165,149

Stock options vested and expected to vest at January 31, 2019
18,406

 
$
0.94

 
6.12

 
$
177,012

The total fair value of stock options vesting was $7.9 million, $7.0 million, and $4.6 million for the years ended January 31, 2017, 2018, and 2019, respectively. The total grant-date fair value of stock options granted during the years ended January 31, 2017, 2018, and 2019 was $4.1 million, $0.1 million, and $0, respectively.
The total intrinsic value of stock options exercised in the years ended January 31, 2017, 2018, and 2019 was $18.1 million, $13.6 million, and $30.0 million, respectively.
As of January 31, 2019, there was $1.8 million of total unrecognized stock-based compensation related to outstanding stock options, which will be recognized on a straight-line basis over a weighted average period of 0.9 years.
Early Exercise of Nonvested Stock Options
At the discretion of the Company’s board of directors, certain stock options may be exercisable immediately at the date of grant but are subject to a repurchase right, under which the Company may buy back any unvested shares at their original exercise price in the event of an employee’s termination prior to full vesting. The consideration received for an exercise of an unvested option is considered to be a deposit of the exercise price and the related dollar amount is recorded as a liability. The liabilities are reclassified into equity as the awards vest. At January 31, 2018 and 2019, the Company recorded a liability of $0.6 million and $0.2 million, respectively, for 0.4 million and 0.1 million shares that were early exercised by employees as of January 31, 2018 and 2019 that are unvested, respectively.

F-28


RSUs and RSAs
The fair value of RSUs and RSAs are determined using the fair value of the Company’s common stock on the date of grant.
A summary of RSUs and RSAs activity under the Plan is as follows (in thousands, except per share data):
 
Restricted stock units
 
Restricted stock awards
 
Number of shares
 
Weighted-average grant date fair value
(per share)
 
Number of shares
 
Weighted-average grant date fair value
(per share)
Unvested at January 31, 2018
40,594

 
$
3.43

 
894

 
$
2.07

Granted
26,214

 
7.02

 
2,197

 
7.86

Released

 

 
(783
)
 
3.22

Cancelled
(3,694
)
 
4.35

 
(19
)
 
2.09

Unvested at January 31, 2019
63,114

 
4.87

 
2,289

 
7.23

The weighted-average estimated fair value of RSUs granted in the year ended January 31, 2018 was $4.15 per share. No RSAs were granted in the year ended January 31, 2018.
As of January 31, 2019, the Company had $15.5 million of unrecognized stock-based compensation related to RSAs, which will be recognized over the weighted average remaining requisite service period of 3.8 years. As of January 31, 2019, the Company had $308.9 million of unrecognized stock-based compensation related to RSUs. As the RSUs vest upon the satisfaction of both the service condition and performance vesting condition, stock-based compensation will be deferred until the performance vesting condition is satisfied. At the time the performance vesting condition becomes probable, which is not until the performance vesting condition is satisfied, the Company will recognize cumulative stock-based compensation for the outstanding RSUs based on the service-based condition using the accelerated attribution method. As of January 31, 2019, 63.1 million RSUs were outstanding, of which 22.4 million had met their service condition. If the performance vesting condition had been met on January 31, 2019, the Company would have recorded stock-based compensation of $157.5 million , and unrecognized stock-based compensation related to the unvested RSUs as of January 31, 2019 would have been $151.4 million that will be recognized over a weighted-average remaining requisite service period of 2.9 years .
Tender Offers and Repurchases
In connection with the Series G and G-1 convertible preferred stock financing, the Company facilitated a tender offer for all vested and outstanding shares of Class B common stock and all outstanding series of convertible preferred stock. In November 2017, the Company facilitated the sale of an aggregate of 17.9 million shares of vested and outstanding Class B common stock, Series A convertible preferred stock, Series D convertible preferred stock, Series D-1 convertible preferred stock and Series E convertible preferred stock from its existing or former employees and investors at a per share price of $8.37, representing a 10% discount to the Series G and G-1 issuance price, for a total gross sale of $150.0 million. Following the close of the November 2017 tender offer, the Company repurchased an additional 0.8 million shares of Class B common stock from one of the Company’s co-founders at the same price per share of $8.37 for a total gross sale of $6.6 million. At the time of the tender offers, the fair value of the Company’s Class B common stock was $4.24 per share. For shares of Class B common stock repurchased from both current and former employees, the Company recorded compensation expense of $38.9 million related to the excess of the selling price per share of Class B common stock over the fair value of the tendered shares. In addition, the Company recorded deemed dividends of $40.9 million as a reduction to stockholder’s deficit in relation to the selling price per share of Class B common stock and convertible preferred stock paid to existing investors in excess of the original issuance price paid by investors of the shares tendered. Upon close of the tender offer, the Company retired the repurchased shares and subsequently issued the same number of shares in Series G-2 convertible preferred stock and Series G-3 convertible preferred stock to the lead investor of the Series G convertible preferred stock financing.

F-29


In April and June 2017, the Company repurchased 0.1 million shares of common stock from former employees at a purchase price of $7.41 per share. In December 2017, the Company repurchased a combined 0.1 million shares of Class B common stock from one current and one former employee at a purchase price of $8.37 per share. For all the repurchased shares of common stock, the purchase price per share represented an excess to the fair value of the Company’s fair value of common stock at the time of each transaction. In total, the Company recorded $0.5 million of compensation expense and retired all repurchased shares of common stock as of January 31, 2018.
In July 2016, the Company repurchased shares of common stock from two employees at varying share amounts and purchase prices. The first repurchase was for 42,000 shares of common stock at a per share price of $8.00 for an aggregate purchase price of $0.3 million. The second repurchase was for 1.6 million shares of common stock at a per share price of $7.41 for an aggregate purchase price of $12.0 million. The purchase price per share in each repurchase represented an excess to the fair value of the Company’s outstanding common stock as determined by the Company’s most recent valuation of its capital stock at the time of the transactions. At the time of the tender offers, the fair value of the Company’s common stock was $2.59 per share. Upon the completion of the repurchases, the Company recorded $8.0 million as compensation expense related to the excess of the selling price per share of common stock paid to the Company’s employees over the fair value of the repurchased shares. The Company retired the shares repurchased as of January 31, 2017.
A summary of the stock-based compensation related to the tender offers and repurchases, recorded in the accompanying consolidated statements of operations is as follows (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
Cost of revenue
$

 
$
252

 
$

Research and development
8,033

 
30,674

 

Sales and marketing

 
6,549

 

General and administrative

 
1,899

 

Total
$
8,033

 
$
39,374

 
$

Stock Transfers
During the years ended January 31, 2017 and 2019, certain of the Company’s existing investors, or investors to whom the Company waived its right of first refusal with respect to proposed transfers of outstanding common stock, acquired outstanding common stock from current or former employees of the Company for a purchase price greater than the fair value at the time of the transactions. In connection with these stock transfers, the Company waived its right of first refusal and other transfer restrictions applicable to such shares. As a result, the Company recorded stock-based compensation for the difference between the price paid and the fair value on the date of the transaction.
A summary of the stock-based compensation related to the stock transfers recorded in the accompanying consolidated statements of operations is as follows (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
Cost of revenue
$
401

 
$

 
$
533

Research and development
18,360

 

 
6,228

Sales and marketing
5,899

 

 
1,707

General and administrative
1,878

 

 
6,353

Total
$
26,538

 
$

 
$
14,821


F-30


Stock-Based Compensation
A summary of the stock-based compensation excluding tender offers and stock transfers recorded in the accompanying consolidated statements of operations is as follows (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
Cost of revenue
$
229

 
$
239

 
$
199

Research and development
8,153

 
4,586

 
3,720

Sales and marketing
3,845

 
1,495

 
970

General and administrative
3,293

 
2,389

 
3,422

Total
$
15,520

 
$
8,709

 
$
8,311

During the years ended January 31, 2017, 2018, and 2019, the Company capitalized $0.4 million, $0, and $0, respectively, of stock-based compensation as internally-developed software.
The fair value of stock options granted to employees is estimated on the date of grant using the Black-Scholes option valuation model. This stock-based compensation expense valuation model requires the Company to make assumptions and judgments regarding the variables used in the calculation. These variables include the expected term (weighted average period of time that the stock options granted are expected to be outstanding), the expected volatility of the Company’s common stock, expected risk-free interest rate and expected dividends. To the extent actual results differ from the estimates, the difference is recorded as a cumulative adjustment in the period estimates are revised. The Company accounts for forfeitures as they occur.
The Company uses the simplified calculation of expected term, as the Company does not have sufficient historical data to use any other method to estimate expected term. Expected volatility is based on an average of the historical volatilities of the common stock of several entities with characteristics similar to those of the Company. The expected risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant for periods corresponding with the expected life of the option. The expected dividend yield is 0% as the Company has not paid, and does not expect to pay, cash dividends.
The following assumptions used in the valuation of stock options issued to employees:
 
Year ended January 31,
 
2017
 
2018
Expected Term
5.69 - 6.59 years
 
6.05 years
Expected volatility
48% - 56%
 
41%
Risk-free interest rate
1.32% - 1.45%
 
1.62%
Dividend yield
—%
 
—%
Fair value of common stock on grant date
$2.37 - $3.62
 
$4.24
There were no stock options granted to employees during the year ended January 31, 2019. There were no stock options granted to non-employees during the years ended January 31, 2017, 2018, or 2019.
Note 10.    Net Loss per Share Attributable to Slack Common Stockholders
Basic net loss per share attributable to Slack common stockholders is computed by dividing the net loss attributable to Slack common stockholders by the weighted average number of shares of common stock outstanding during the period. Diluted loss per share is the same as basic loss per share for all years presented because the effects of potentially dilutive items were antidilutive given the Company’s net loss in each period presented.

F-31


The following table presents the calculation of basic and diluted net loss per share attributable to Slack common stockholders (in thousands, except per share data):
 
Year ended January 31,
 
2017
 
2018
 
2019
Net loss attributable to Slack
$
(146,864
)
 
$
(140,085
)
 
$
(140,683
)
Less: Deemed dividends to preferred stock stockholders

 
40,883

 

Net loss attributable to Slack common stockholders
$
(146,864
)
 
$
(180,968
)
 
$
(140,683
)
Weighted average common shares outstanding
114,887

 
122,865

 
121,732

Net loss per share attributable to Slack common stockholders, basic and diluted
$
(1.28
)
 
$
(1.47
)
 
$
(1.16
)
The following potential common shares were excluded from the calculation of diluted net loss per share attributable to Slack common stockholders because their effect would have been antidilutive for the periods presented (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
Convertible preferred stock
301,197

 
337,483

 
373,372

Stock options
28,527

 
23,720

 
18,406

Unvested early exercised stock options
705

 
419

 
115

Restricted stock units
25,721

 
40,594

 
63,114

Restricted stock awards
3,539

 
894

 
2,289

Total antidilutive securities
359,689

 
403,110

 
457,296

Pro Forma Net Loss per Share Attributable to Common Stockholders (Unaudited)
The following table presents the calculation of pro forma basic and diluted net loss per share attributable to Slack common stockholders (in thousands, except per share data):
 
Year Ended
January 31, 2019
Numerator:
 
Net loss attributable to Slack common stockholders
$
(140,683
)
Denominator:
 
Weighted-average shares used in computing net loss per share attributable to Slack common stockholders, basic and diluted
121,732

Pro forma adjustment to reflect assumed conversion of convertible preferred stock into common stock
373,372

Pro forma adjustment to reflect assumed vesting of the RSUs with service condition satisfied
22,389

Weighted-average number of shares used in computing pro forma net loss per share attributable to Slack common stockholders, basic and diluted
517,493

Pro forma net loss per share, attributable to Slack common stockholders, basic and diluted
$
(0.27
)

F-32


Note 11.    Income Taxes
Loss before income taxes consisted of the following (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
United States
$
(123,904
)
 
$
(100,364
)
 
$
(85,175
)
Foreign
(22,850
)
 
(38,906
)
 
(52,887
)
Total
$
(146,754
)
 
$
(139,270
)
 
$
(138,062
)
The components of the Company’s provision for income tax are as follows (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
Current:
 
 
 
 
 
Federal
$

 
$

 
$

State
3

 
20

 
355

Foreign
475

 
894

 
279

Total current
478

 
914

 
634

Deferred:
 
 
 
 
 
Federal

 

 
(200
)
State

 

 
(120
)
Foreign
(323
)
 
(121
)
 
526

Total deferred
(323
)
 
(121
)
 
206

Provision for income taxes
$
155

 
$
793

 
$
840

A reconciliation of the U.S. federal statutory tax rate to the Company’s provision for income tax is as follows:
 
Year ended January 31,
 
2017
 
2018
 
2019
Tax at statutory federal rate
34.00
 %
 
33.80
 %
 
21.00
 %
State tax, net of federal benefit
2.75

 
2.19

 
2.12

Stock-based compensation
(8.47
)
 
(2.29
)
 
(2.95
)
Credits
2.78

 
4.34

 
6.01

Foreign rate differential
(5.60
)
 
(9.92
)
 
9.52

Unrecognized tax benefits
(9.20
)
 

 

Other
(3.77
)
 
(0.55
)
 
(3.80
)
Change in statutory tax rates

 
(17.93
)
 
0.13

Change in valuation allowance
(12.62
)
 
(10.21
)
 
(32.64
)
Effective tax rate
(0.13
)%
 
(0.57
)%
 
(0.61
)%

F-33


Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The Company’s deferred income tax assets and liabilities consisted of the following (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
Deferred tax assets (liabilities):
 
 
 
 
 
Accrued liabilities
$
2,979

 
$
3,905

 
$
7,907

Accounts receivable
75

 
131

 
70

Deferred rent
204

 
1,438

 
4,304

Net operating losses
44,043

 
46,736

 
65,385

Tax credits
6,538

 
13,510

 
22,116

Intangible assets
(772
)
 
(108
)
 
15,258

Property and equipment
514

 
1,637

 
870

Stock-based compensation
(851
)
 
(275
)
 
(2,549
)
Other
3

 
88

 
(684
)
Total gross deferred tax assets
52,733

 
67,062

 
112,677

Valuation allowance
(52,342
)
 
(66,557
)
 
(112,693
)
Total deferred tax assets, net
$
391

 
$
505

 
$
(16
)
The Company has assessed, based on available evidence, both positive and negative, it is more likely than not that the deferred tax assets will not be utilized, such that a valuation allowance has been recorded, except for certain foreign subsidiaries which generate income. The valuation allowance increased $18.6 million, $14.2 million and $46.1 million in the years ended January 31, 2017, 2018, and 2019, respectively.
As of January 31, 2019, the Company had U.S. federal and state net operating loss carryforwards of $221.4 million and $154.5 million , respectively, available to offset future taxable income. If not utilized, these carryforward losses will expire, in various amounts, for federal and state tax purposes, both beginning in 2029.
The Company had federal and California capital loss carryforwards of $0.1 million and $0.1 million as of January 31, 2019, respectively. In addition, the Company had $17.2 million and $14.4 million of federal and state research and development tax credits, respectively, available to offset future taxes as of January 31, 2019. If not utilized, the federal credits will begin to expire in 2029. California state research and development tax credits may be carried forward indefinitely.
Utilization of the net operating loss and tax credit carryforwards may be subject to a substantial annual limitation due to the “ownership change” limitations provided by Section 382 and 383 of the Internal Revenue Code of 1986, as amended, and other similar state provisions. Any annual limitation may result in the expiration of net operating loss and tax credit carryforwards before utilization.
The Company attributes net revenue, costs and expenses to domestic and foreign components based on the terms of its agreements with its subsidiaries. The Company does not provide for federal income taxes on the undistributed earnings of its foreign subsidiaries as such earnings are to be reinvested offshore indefinitely. If the Company repatriated these earnings, the resulting income tax liability would be insignificant. The Company is subject to taxation in the United States and various states and foreign jurisdictions.
On December 22, 2017, the Tax Cuts and Jobs Act (the “Tax Act”) was signed into law, which changed many aspects of U.S. corporate income taxation. Certain key changes introduced by the Tax Act include the reduction of the corporate income tax rate to 21%, imposition of a tax on deemed repatriated earnings of foreign subsidiaries (“Transition Tax”), acceleration of expensing of certain business assets, and the implementation of a territorial tax system.

F-34


At January 31, 2018, the Company has remeasured its U.S. deferred tax assets and liabilities, offset by valuation allowances, to reflect the lower rate expected to apply when these temporary differences reverse.
As part of the transition to the new territorial tax system, the Tax Act imposes a one-time tax on a deemed repatriation of historical earnings of foreign subsidiaries. The Company does not expect any one-time Transition Tax based on the evaluation of its current operations.
Under the provisions of the Tax Act, all foreign earnings are subject to U.S. taxation. As a result of the Tax Act, the Company intends to repatriate foreign earnings that have been taxed in the United States to the extent that the foreign earnings are not restricted by local laws and accounting rules.
During the fiscal year ended January 31, 2019, the Company completed its accounting for the tax effects of the enactment of the Tax Act. The Company reaffirmed its position that it was not subject to transition tax under the Tax Act as of January 31, 2018, and therefore, the Company did not record any transition tax during the measurement period. The Company’s accounting for these items is now complete.
The Company is required to inventory, evaluate and measure all uncertain tax positions taken or to be taken on tax returns, and to record liabilities for the amount of such positions that may not be sustained, or may only partially be sustained, upon examination by the relevant taxing authorities. As of January 31, 2019, the Company’s total unrecognized tax benefits were $20.5 million, exclusive of interest and penalties described below. A reconciliation of the beginning and ending amount of total unrecognized tax benefits is as follows (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
Balance at beginning of period
$
1,624

 
$
17,767

 
$
18,545

Increase related to prior year tax provisions
515

 
28

 

Decrease related to prior year tax provisions

 
(2,687
)
 
(2,076
)
Increase related to current year tax provisions
15,660

 
3,472

 
4,022

Lapse of statute of limitations
(32
)
 
(35
)
 
(7
)
Balance at end of period
$
17,767

 
$
18,545

 
$
20,484

Included in the balance of unrecognized tax benefits as of January 31, 2017, 2018, and 2019, are $0.1 million, $0.1 million, and $29,000, respectively, of unrecognized tax benefits that, if recognized, would affect the effective tax rate.
The Company recognizes interest accrued related to unrecognized tax benefits and penalties as income tax expense. During 2017, the Company accrued penalties of $1,000 and interest of $3,000. In total, as of January 31, 2017, the Company had recognized a liability for penalties and interest of $20,000. Related to the unrecognized tax benefits noted above, the Company accrued penalties of $0 and interest of $7,000 during 2018. In total, as of January 31, 2018, the Company recognized a liability for penalties and interest of $14,000. Related to the unrecognized tax benefits noted above, the Company accrued penalties of $0 and interest of $1,000 during 2019. In total, as of January 31, 2019, the Company recognized a liability for penalties and interest of $8,000.
The Company does not anticipate that the amount of existing unrecognized tax benefits will significantly increase or decrease within the next 12 months.
The Company files tax returns in the U.S. (federal and various states) and other foreign jurisdictions. Due to the Company’s U.S. net operating loss carryforwards, its income tax returns generally remain subject to examination by federal and most state tax authorities.
During the year ended January 31, 2019, the Canada Revenue Agency (“CRA”) concluded the audit for the Canadian Scientific Research and Experimental Development Tax Credit reported on tax returns for the period ended January 31, 2016 filed with the CRA. As a result, the associated FIN48 liability has been released as of January, 31, 2019.

F-35


As of January 31, 2019, the Company was subject to audits by the New York Department of Taxation and Finance (“NYTF”) and the Ireland’s Office of the Revenue Commissioner (“Ireland Revenue”). Accordingly, the NYTF will audit the sales and use tax reported on returns for the period from March 1, 2016 to May 31, 2018 filed with the NYTF. The Ireland Revenue will audit the income tax, payroll taxes, and value added taxes reported on returns for the three year period ended January 31, 2018 filed with the Ireland Revenue. The audit may result in an additional tax charge with related penalties and interest if the Company’s position is not upheld during the audit.
Note 12.    Geographic Information
The following table shows the Company’s revenue by geographic areas, as determined based on the billing address of its customers (in thousands):
 
Year ended January 31,
 
2017
 
2018
 
2019
United States
$
69,135

 
$
144,720

 
$
255,155

International
36,018

 
75,824

 
145,397

Total
$
105,153

 
$
220,544

 
$
400,552

No individual foreign country contributed in excess of 10% of revenue for the years ended January 31, 2017, 2018, and 2019.
The following table shows the Company’s tangible long-lived assets by country (in thousands):
 
As of January 31,
 
2018
 
2019
United States
$
33,383

 
$
76,768

Canada
4,610

 
3,978

Other
5,004

 
7,613

Total
$
42,997

 
$
88,359

Note 13.    Defined Contribution Plan
The Company provides a tax-qualified employee savings and retirement plan, commonly known as a 401(k) plan, that allows participating employees in the United States to contribute up to 100% of their pre-tax annual compensation subject to Internal Revenue Service limits. The Company matches employee contributions at a rate of 50%, up to a maximum annual matched contribution of $4,000 per employee. Employee contributions are always fully vested while the matching contributions fully vest following one year of employee’s credited service with the Company. The Company’s matching contributions to its 401(k) plan totaled $1.3 million, $2.2 million, and $3.7 million for the years ended January 31, 2017, 2018, and 2019, respectively.
Note 14.    Subsequent Events
The Company has evaluated subsequent events through April 3, 2019, the date that the report of independent registered public accounting firm as of and for the year ended January 31, 2019 was originally issued and the audited consolidated financial statements were available for issuance.
Subsequent to January 31, 2019, the Company granted stock options to purchase 3,651,000 shares of Class B common stock with an exercise price of $10.56 per share and issued 15,772,936 RSUs and 505,000 RSAs to employees and a non-employee director of the Company.
In March 2019, the Company entered into a noncancelable operating lease for an office facility in San Francisco, California. In connection with entering into the lease agreement, the Company agreed to a security deposit of $18.0 million in the form of a standby letter of credit. The lease term is from March 2019 through June 2030, with

F-36


future minimum lease payments of $170.3 million . The Company is entitled to receive tenant improvement reimbursements not to exceed $25.4 million.
Note 15.    Subsequent Events (Unaudited)
The Company has evaluated subsequent events through May 13, 2019, the date the consolidated financial statements as of and for the year ended January 31, 2019 were available for issuance.
In April 2019, the Company’s board of directors authorized 7,000,000 shares of Class B common stock, to be reserved for future issuance under the 2009 Stock Plan.

F-37












SLACKLOGOA04.JPG


































Through and including                     , 2019 (the 25th day after the listing date of our Class A common stock), all dealers effecting transactions in these securities, whether or not participating in this offering, may be required to deliver a prospectus.




PART II
INFORMATION NOT REQUIRED IN PROSPECTUS
ITEM 13.    OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.
The following table sets forth all expenses to be paid by us in connection with this registration statement and the listing of our Class A common stock. All amounts shown are estimates except for the SEC registration fee and the listing fee.
SEC registration fee
 
*
NYSE listing fee
 
*
Printing fees and expenses
 
*
Legal fees and expenses
 
*
Accounting fees and expenses
 
*
Custodian, transfer agent and registrar fees
 
*
Other advisers’ fees
 
*
Miscellaneous
 
*
Total
$
*
__________________
*
To be provided by amendment.
ITEM 14.    INDEMNIFICATION OF DIRECTORS AND OFFICER S.
Section 145 of the Delaware General Corporation Law authorizes a corporation’s board of directors to grant, and authorizes a court to award, indemnity to officers, directors, and other corporate agents.
Shortly following the effectiveness of this registration statement, we expect to adopt an amended and restated certificate of incorporation which will contain provisions that limit the liability of our directors for monetary damages to the fullest extent permitted by Delaware law. Consequently, our directors will not be personally liable to us or our stockholders for monetary damages for any breach of fiduciary duties as directors, except liability for the following:
any breach of their duty of loyalty to our company or our stockholders;
any act or omission not in good faith or that involves intentional misconduct or a knowing violation of law;
unlawful payments of dividends or unlawful stock repurchases or redemptions as provided in Section 174 of the Delaware General Corporation Law; or
any transaction from which they derived an improper personal benefit.
Any amendment to, or repeal of, these provisions will not eliminate or reduce the effect of these provisions in respect of any act, omission, or claim that occurred or arose prior to that amendment or repeal. If the Delaware General Corporation Law is amended to provide for further limitations on the personal liability of directors of corporations, then the personal liability of our directors will be further limited to the greatest extent permitted by the Delaware General Corporation Law.
In addition, shortly following the effectiveness of this registration statement, we expect to adopt amended and restated bylaws, which will provide that we will indemnify, to the fullest extent permitted by law, any person who is or was a party or is threatened to be made a party to any action, suit, or proceeding by reason of the fact that he or she is or was one of our directors or officers or is or was serving at our request as a director or officer of another corporation, partnership, joint venture, trust, or other enterprise. Our amended and restated bylaws are expected to provide that we may indemnify to the fullest extent permitted by law any person who is or was a party or is threatened to be made a party to any action, suit, or proceeding by reason of the fact that he or she is or was one of our employees or agents or

II- 1



is or was serving at our request as an employee or agent of another corporation, partnership, joint venture, trust, or other enterprise. Our amended and restated bylaws will also provide that we must advance expenses incurred by or on behalf of a director or officer in advance of the final disposition of any action or proceeding, subject to very limited exceptions.
Further, we have entered into indemnification agreements with each of our directors and executive officers that may be broader than the specific indemnification provisions contained in the Delaware General Corporation Law. These indemnification agreements will require us, among other things, to indemnify our directors and executive officers against liabilities that may arise by reason of their status or service. These indemnification agreements will also require us to advance all expenses incurred by the directors and executive officers in investigating or defending any such action, suit or proceeding. We believe that these agreements are necessary to attract and retain qualified individuals to serve as directors and executive officers.
The limitation of liability and indemnification provisions that are expected to be included, or are included, in our amended and restated certificate of incorporation, amended restated bylaws, and in indemnification agreements that we enter into with our directors and executive officers may discourage stockholders from bringing a lawsuit against our directors and executive officers for breach of their fiduciary duties. They may also reduce the likelihood of derivative litigation against our directors and executive officers, even though an action, if successful, might benefit us and other stockholders. Further, a stockholder’s investment may be harmed to the extent that we pay the costs of settlement and damage awards against directors and executive officers as required by these indemnification provisions. At present, we are not aware of any pending litigation or proceeding involving any person who is or was one of our directors, officers, employees, or other agents or is or was serving at our request as a director, officer, employee, or agent of another corporation, partnership, joint venture, trust, or other enterprise, for which indemnification is sought, and we are not aware of any threatened litigation that may result in claims for indemnification.
We expect to obtain insurance policies under which, subject to the limitations of the policies, coverage is provided to our directors and executive officers against loss arising from claims made by reason of breach of fiduciary duty or other wrongful acts as a director or executive officer, including claims relating to public securities matters, and to us with respect to payments that may be made by us to these directors and executive officers pursuant to our indemnification obligations or otherwise as a matter of law.
Certain of our non-employee directors may, through their relationships with their employers, be insured and/or indemnified against certain liabilities incurred in their capacity as members of our board of directors.
ITEM 15.    RECENT SALES OF UNREGISTERED SECURITIES.
Since February 1, 2016, we made sales of the following unregistered securities:
Preferred Issuances
In March 2016, we sold an aggregate of 26,659,824 shares of our Series F and F-1 convertible preferred stock to 12 accredited investors at a purchase price of $7.80 per share, for an aggregate purchase price of $207,999,947.
In October 2017 through December 2017, we sold an aggregate of 45,573,328 shares of our Series G, G-1, G-2 and G-3 convertible preferred stock to 12 accredited investors at a purchase price of $9.31 per share for our Series G and G-1 and $8.70 per share for our Series G-2 and G-3, for an aggregate purchase price of $412,742,651.
From August 2018 through September 2018, we sold an aggregate of 35,888,717 shares of our Series H and H-1 convertible preferred stock to 14 accredited investors at a purchase price of $11.91 per share, for an aggregate purchase price of $427,265,943.
Option and Class B Common Issuances
Since February 1, 2016, we granted to our employees, consultants, and other service providers options to purchase an aggregate of 6,797,364 shares of Class B common stock under our 2009 Stock Plan, or our 2009 Plan, at exercise prices ranging from $2.28 to $16.93 per share.

II- 2



Since February 1, 2016, we issued and sold to our employees, consultants, and other service providers an aggregate of 17,490,142 shares of Class B common stock upon the exercise of stock options under our 2009 Plan, at exercise prices ranging from $0.08 to $4.24 per share, for a weighted-average exercise price of $0.91.
Since February 1, 2016, we granted to our employees, consultants, and other service providers restricted stock units, or RSUs, representing an aggregate of 78,076,601 shares of Class B common stock, under our 2009 Plan.
Since February 1, 2016, we granted to our employees, consultants, and other service providers RSUs representing an aggregate of 406,017 shares of Class B common stock.
Since February 1, 2016, we granted to our employees, consultants, and other service providers restricted stock awards, or RSAs, covering an aggregate of 3,430,959 shares of Class B common stock, under our 2009 Plan.
Since February 1, 2016, we granted to our employees, consultants, and other service providers RSAs covering an aggregate of 406,017 shares of Class B common stock.
Other Issuances
In June 2018, we issued an aggregate of 4,299 shares of our Class B common stock to an accredited investor in exchange for a release of claims.
In July 2018, we sold an aggregate of 896,057 shares of our Class A common stock to an accredited investor at a purchase price of $11.16 per share, for an aggregate purchase price of $9,999,996.
We believe these transactions were exempt from registration under the Securities Act in reliance upon Section 4(a)(2) of the Securities Act or Regulation D promulgated thereunder, or Rule 701 promulgated under Section 3(b) of the Securities Act as transactions by an issuer not involving any public offering or pursuant to benefit plans and contracts relating to compensation as provided under Rule 701. The recipients of the securities in each of these transactions represented their intentions to acquire the securities for investment only and not with a view to or for sale in connection with any distribution thereof, and appropriate legends were placed upon the stock certificates issued in these transactions. All recipients had adequate access, through their relationships with us, to information about Slack.

II- 3



ITEM 16.    EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.
(a)    Exhibits.
Exhibit
Number
 
Exhibit Title
3.1**
 
 
 
 
3.2
 
 
 
 
3.3**
 
 
 
 
3.4
 
 
 
 
4.1**
 
 
 
 
4.2
 
 
 
 
5.1*
 
Opinion of Goodwin Procter LLP.
 
 
 
10.1**
 
 
 
 
10.2#
 
 
 
 
10.3#**
 
 
 
 
10.4#
 
 
 
 
10.5#
 
 
 
 
10.6#**
 
 
 
 
10.7#**
 
 
 
 
10.8#**
 
 
 
 
10.9#**
 
 
 
 
10.10#**
 
 
 
 
10.11#**
 
 
 
 
10.12**
 
 
 
 
21.1**
 
 
 
 
23.1
 
 
 
 
23.2*
 
Consent of Goodwin Procter LLP (included in Exhibit 5.1).
 
 
 
24.1**
 
__________________
*
To be filed by amendment.
**
Previously filed.
#
Indicates management contract or compensatory plan, contract or agreement.

II- 4



(b)    Financial Statement Schedules.
All schedules are omitted because the required information is either not present, not present in material amounts, or is presented within the consolidated financial statements included in the prospectus that is part of this registration statement.
ITEM 17.    UNDERTAKINGS.
The undersigned Registrant hereby undertakes:
(1)
To file, during any period in which offers or sales are being made, a post-effective amendment to this registration statement:
(i)
To include any prospectus required by Section 10(a)(3) of the Securities Act, as amended, or the Securities Act.
(ii)
To reflect in the prospectus any facts or events arising after the effective date of the registration statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the registration statement;
(iii)
To include any material information with respect to the plan of distribution not previously disclosed in the registration statement or any material change to such information in the registration statement.
(2)
That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.
(3)
To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.
Insofar as indemnification by the Registrant for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.
The undersigned Registrant hereby undertakes that:
(1)
For purposes of determining any liability under the Securities Act, the information omitted from the form of prospectus filed as part of this registration statement in reliance upon Rule 430A and contained in a form of prospectus filed by the Registrant pursuant to Rule 424(b)(1) or (4) or 497(h) under the Securities Act shall be deemed to be part of this registration statement as of the time it was declared effective.
(2)
For the purpose of determining any liability under the Securities Act, each post-effective amendment that contains a form of prospectus shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.

II- 5



SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in San Francisco, California, on May 13, 2019.
SLACK TECHNOLOGIES, INC.
 
 
By:
/s/ Stewart Butterfield
 
Stewart Butterfield
Chief Executive Officer
POWER OF ATTORNEY
Pursuant to the requirements of the Securities Act of 1933, as amended, this registration statement on Form S-1 has been signed by the following persons in the capacities and on the dates indicated.
Signature
 
Title
 
Date
 
 
 
 
 
/s/ Stewart Butterfield
 
Chief Executive Officer and Director
(Principal Executive Officer)
 
May 13, 2019
Stewart Butterfield
 
 
 
 
 
 
 
/s/ Allen Shim
 
Chief Financial Officer
(Principal Financial Officer)
 
May 13, 2019
Allen Shim
 
 
 
 
 
 
 
/s/ Brandon Zell
 
Chief Accounting Officer
(Principal Accounting Officer)
 
May 13, 2019
Brandon Zell
 
 
 
 
 
 
 
*
 
Director
 
May 13, 2019
Andrew Braccia
 
 
 
 
 
 
 
*
 
Director
 
May 13, 2019
Edith Cooper
 
 
 
 
 
 
 
*
 
Director
 
May 13, 2019
Sarah Friar
 
 
 
 
 
 
 
*
 
Director
 
May 13, 2019
John O’Farrell
 
 
 
 
 
 
 
*
 
Director
 
May 13, 2019
Chamath Palihapitiya
 
 
 
 
 
 
 
*
 
Director
 
May 13, 2019
Graham Smith
 
 
*By:
/s/ Stewart Butterfield
 
Attorney-in-fact

II- 6
Exhibit 3.2


SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED CERTIFICATE OF INCORPORATION
Slack Technologies, Inc. (the “ Corporation ”), a corporation organized and existing under the laws of the State of Delaware, hereby certifies as follows:
A.    The Corporation was originally incorporated pursuant to the General Corporation Law of the State of Delaware (the “ DGCL ”) on February 25, 2009 under the name Tiny Spec, Inc., which name was subsequently amended to Tiny Speck, Inc. on March 5, 2009, which name was subsequently amended to Slack Technologies, Inc. on July 17, 2014.
B.    This Amended and Restated Certificate of Incorporation was duly adopted in accordance with Sections 242 and 245 of the DGCL, and has been duly approved by the written consent of the stockholders of the Corporation in accordance with Section 228 of the DGCL.
C.    The Amended and Restated Certificate of Incorporation of the Corporation is hereby amended and restated in its entirety to read as follows:
ARTICLE I
The name of the Corporation is Slack Technologies, Inc.
ARTICLE II
The address of the Corporation’s registered office in the State of Delaware is 3500 South DuPont Highway, City of Dover, County of Kent, 19901. The name of its registered agent at such address is Incorporating Services, Ltd.
ARTICLE III
The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be organized under the DGCL.
ARTICLE IV
A.      Classes of Stock . The total number of shares of capital stock that the Corporation shall have authority to issue is 5,800,000,000, consisting of the following: 5,000,000,000 shares of Class A Common Stock, par value $0.0001 per share (“ Class A Common Stock ”), 700,000,000 shares of Class B Common Stock, par value $0.0001 per share (“ Class B Common Stock ”), and 100,000,000 shares of undesignated Preferred Stock, par value $0.0001 per share (“ Preferred Stock ”).
B.      Rights of Preferred Stock . The Board of Directors of the Corporation (the “ Board of Directors ”) is authorized, subject to any limitations prescribed by law but to the fullest extent permitted by law, to provide by resolution for the designation and issuance of shares of Preferred Stock in one or more series, and to establish from time to time the number of shares to be included in each such series, and to fix the designation, powers (which may include, without limitation, full, limited or no voting powers), preferences, and relative, participating, optional or other rights of the shares of each such series and any qualifications, limitations or restrictions thereof, and to file a certificate pursuant to the applicable law of the State of Delaware (such certificate being hereinafter referred to as a “ Preferred Stock Designation ”), setting forth such resolution or resolutions.
C.      Vote to Increase or Decrease Authorized Shares of Preferred Stock . The number of authorized shares of Preferred Stock may be increased or decreased (but not below the number of shares thereof then outstanding) by the affirmative vote of the holders of a majority of the voting power of all of the outstanding shares of capital stock of the Corporation entitled to vote thereon, without a separate class vote of the holders of Preferred Stock, or any




separate series votes of any series thereof, unless a vote of any such holders is required pursuant to the terms of any Preferred Stock Designation.
D.      Rights of Class A Common Stock and Class B Common Stock . The relative powers, rights, qualifications, limitations and restrictions granted to or imposed on the shares of Class A Common Stock and Class B Common Stock are as follows:
1.      Voting Rights .
(a)      General Right to Vote Together; Exception . Except as otherwise expressly provided herein or required by applicable law, the holders of Class A Common Stock and Class B Common Stock shall vote together as one class on all matters submitted to a vote of the stockholders; provided, however , subject to the terms of any Preferred Stock Designation, the number of authorized shares of Class A Common Stock or Class B Common Stock may be increased or decreased (but not below the number of shares thereof then outstanding) by the affirmative vote of the holders of a majority of the voting power of the capital stock of the Corporation entitled to vote.
(b)      Votes Per Share . Except as otherwise expressly provided herein or required by applicable law, on any matter that is submitted to a vote of the stockholders, each holder of Class A Common Stock shall be entitled to one (1) vote for each such share, and each holder of Class B Common Stock shall be entitled to ten (10) votes for each such share.
2.      Identical Rights . Except as otherwise expressly provided herein or required by applicable law, shares of Class A Common Stock and Class B Common Stock shall have the same rights and privileges and rank equally, share ratably and be identical in all respects as to all matters, including, without limitation:
(a)      Dividends and Distributions . Shares of Class A Common Stock and Class B Common Stock shall be treated equally, identically and ratably, on a per share basis, with respect to any Distribution paid or distributed by the Corporation, unless different treatment of the shares of each such class is approved by the affirmative vote of the holders of a majority of the outstanding shares of Class A Common Stock and by the affirmative vote of the holders of a majority of the outstanding shares of Class B Common Stock, each voting separately as a class; provided, however , that in the event a Distribution is paid in the form of Class A Common Stock or Class B Common Stock (or Rights to acquire such stock), then holders of Class A Common Stock shall receive Class A Common Stock (or Rights to acquire such stock, as the case may be) and holders of Class B Common Stock shall receive Class B Common Stock (or Rights to acquire such stock, as the case may be).
(b)      Subdivision or Combination . If the Corporation in any manner subdivides or combines the outstanding shares of Class A Common Stock or Class B Common Stock, the outstanding shares of the other such class will be subdivided or combined in the same proportion and manner, unless different treatment of the shares of each such class is approved by the affirmative vote of the holders of a majority of the outstanding shares of Class A Common Stock and by the affirmative vote of the holders of a majority of the outstanding shares of Class B Common Stock, each voting separately as a class.
(c)      Equal Treatment in a Change of Control or any Merger Transaction . In connection with any Change of Control Transaction, shares of Class A Common Stock and Class B Common Stock shall be treated equally, identically and ratably, on a per share basis, with respect to any consideration into which such shares are converted or any consideration paid or otherwise distributed to stockholders of the Corporation, unless different treatment of the shares of each such class is approved by the affirmative vote of the holders of a majority of the outstanding shares of Class A Common Stock and by the affirmative vote of the holders of a majority of the outstanding shares of Class B Common Stock, each voting separately as a class. Any merger or consolidation of the Corporation with or into any other entity, which is not a Change of Control Transaction, shall require approval by the affirmative vote of the holders of a majority of the outstanding shares of Class A Common Stock and by the affirmative vote of the holders of a majority of the outstanding shares of Class B Common Stock, each voting separately as a class, unless (i) the shares of Class A Common Stock and Class B Common Stock remain outstanding and no other consideration is received in respect thereof or (ii) such shares are converted on a pro rata basis into shares of the surviving or parent

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entity in such transaction having identical rights to the shares of Class A Common Stock and Class B Common Stock, respectively.
3.      Conversion of Class B Common Stock .
(a)      Voluntary Conversion . Each one (1) share of Class B Common Stock shall be convertible into one (1) share of Class A Common Stock at the option of the holder thereof at any time upon written notice to the transfer agent of the Corporation.
(b)      Automatic Conversion . Shares of Class B Common Stock shall automatically, without any further action, convert into an equal number of shares of Class A Common Stock upon the earlier of:
(i)     a Transfer of such share; provided, however, that no such automatic conversion shall occur in the case of a Transfer by a Class B Stockholder to any of the persons or entities listed in clauses (A) through (G) below (each, a “ Permitted Transferee ”) and from any such Permitted Transferee back to such Class B Stockholder and/or any other Permitted Transferee established by or for such Class B Stockholder:
(A)     a family member of such Class B Stockholder, which shall include with respect to any natural person who is a Class B Stockholder, the spouse, domestic partner, parents, grandparents, lineal descendants, siblings and lineal descendants of siblings of such Class B Stockholder; and provided, further , that lineal descendants shall include adopted persons, but only so long as they are adopted while a minor;
(B)     a trust for the benefit of such Class B Stockholder or persons other than the Class B Stockholder so long as the Class B Stockholder and/or family members of such Class B Stockholder have sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock held by such trust; provided such Transfer does not involve any payment of cash, securities, property or other consideration to the Class B Stockholder (other than as a settlor or beneficiary of such trust) and, provided, further , that in the event such Class B Stockholder and/or family members of such Class B Stockholder no longer have sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock held by such trust, each share of Class B Common Stock then held by such trust shall automatically convert into one (1) fully paid and nonassessable share of Class A Common Stock;
(C)     the beneficiaries or trustee of a trust; so long as the original grantor of the trust (the “ Grantor ”) and/or family members of such Grantor have sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock, provided that in the event such Grantor and/or family members of such Grantor no longer have sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock, each share of Class B Common Stock then held shall automatically convert into one (1) fully paid and nonassessable share of Class A Common Stock;
(D)     a trust under the terms of which such Class B Stockholder has retained a “qualified interest” within the meaning of §2702(b)(1) of the Internal Revenue Code (or successor provision) and/or a reversionary interest so long as the Class B Stockholder and/or family members of such Class B Stockholder have sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock held by such trust; provided, however , that in the event such Class B Stockholder and/or family members of such Class B Stockholder no longer have sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock held by such trust, each share of Class B Common Stock then held by such trust shall automatically convert into one (1) fully paid and nonassessable share of Class A Common Stock;

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(E)     an Individual Retirement Account, as defined in Section 408(a) of the Internal Revenue Code (or successor provision), or a pension, profit sharing, stock bonus or other type of plan or trust of which such Class B Stockholder is a participant or beneficiary and which satisfies the requirements for qualification under Section 401 of the Internal Revenue Code (or successor provision); provided that in each case such Class B Stockholder has sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock held in such account, plan or trust, and provided, further , that in the event the Class B Stockholder no longer has sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock held by such account, plan or trust, each share of Class B Common Stock then held by such trust shall automatically convert into one (1) fully paid and nonassessable share of Class A Common Stock;
(F)     a corporation, partnership or limited liability company in which such Class B Stockholder and/or family members of such Class B Stockholder directly, or indirectly through one or more Permitted Transferees, own shares, partnership interests or membership interests, as applicable, with sufficient Voting Control in the corporation, partnership or limited liability company, as applicable, or otherwise have legally enforceable rights, such that the Class B Stockholder and/or family members of such Class B Stockholder retain sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock held by such corporation, partnership or limited liability company; provided, however , that in the event the Class B Stockholder and/or family members of such Class B Stockholder no longer own sufficient shares, partnership interests or membership interests, as applicable, or no longer has sufficient legally enforceable rights to ensure the Class B Stockholder and/or family members of such Class B Stockholder retain sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock held by such corporation, partnership or limited liability company, as applicable, each share of Class B Common Stock then held by such corporation, partnership or limited liability company, as applicable, shall automatically convert into one (1) fully paid and nonassessable share of Class A Common Stock; or
(G)     an Affiliate of a Class B Stockholder; provided, however, that the person or entity holding sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock being Transferred (the “ Controlling Person ”) retains, directly or indirectly, sole dispositive power and exclusive Voting Control with respect to the shares following such Transfer; provided, further, that in the event the Controlling Person no longer has sole dispositive power and exclusive Voting Control with respect to the shares of Class B Common Stock Transferred to such Affiliate, each such share of Class B Common Stock Transferred to such Affiliate shall automatically convert into one (1) share of Class A Common Stock unless such transaction is otherwise approved by the Corporation.
(ii)     the date specified by a written notice and certification request of the Corporation to the holder of such share of Class B Common Stock requesting a certification, in a form satisfactory to the Corporation, verifying such holder’s ownership of Class B Common Stock and confirming that a conversion to Class A Common Stock has not occurred, which date shall not be less than sixty (60) calendar days after the date of such notice and certification request; provided, however, that no such automatic conversion pursuant to this subsection (ii) shall occur in the case of a Class B Stockholder or its Permitted Transferees that furnishes a certification satisfactory to the Corporation prior to the specified date.
(c)      Conversion Upon Death or Incapacity of a Class B Stockholder . Each share of Class B Common Stock held of record by a Class B Stockholder who is a natural person, or by such Class B Stockholder’s Permitted Transferees, shall automatically, without any further action, convert into one share of Class A Common Stock upon the death or Incapacity of such Class B Stockholder.
(d)      Automatic Conversion of All Outstanding Class B Common Stock . Each one (1) share of Class B Common Stock shall automatically, without any further action, convert into one (1) share of Class

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A Common Stock upon the date specified by affirmative vote of the holders of at least sixty-six and two-thirds percent (66-2/3%) of the outstanding shares of Class B Common Stock, voting as a single class.
(e)      Final Conversion of Class B Common Stock . On the Final Conversion Date, each one (1) outstanding share of Class B Common Stock shall automatically, without any further action, convert into one (1) share of Class A Common Stock. Following such conversion, the reissuance of all shares of Class B Common Stock shall be prohibited, and such shares shall be retired and cancelled in accordance with Section 243 of the DGCL and the filing by the Secretary of State of the State of Delaware required thereby, and upon such retirement and cancellation, all references to Class B Common Stock in this Amended and Restated Certificate of Incorporation shall be eliminated.
(f)      Procedures . The Corporation may, from time to time, establish such policies and procedures relating to the conversion of Class B Common Stock to Class A Common Stock and the general administration of this dual class stock structure, including the issuance of stock certificates (or the establishment of book-entry positions) with respect thereto, as it may deem necessary or advisable, and may request that holders of shares of Class B Common Stock furnish affidavits or other proof to the Corporation as it deems necessary to verify the ownership of Class B Common Stock and to confirm that a conversion to Class A Common Stock has not occurred. A determination by the Secretary of the Corporation that a Transfer results in a conversion to Class A Common Stock shall be conclusive and binding.
(g)      Immediate Effect of Conversion . In the event of a conversion of shares of Class B Common Stock to shares of Class A Common Stock pursuant to this Section D.3, such conversion(s) shall be deemed to have been made at the time that the Corporation’s transfer agent receives the written notice required, the time that the Transfer of such shares occurred, the death or Incapacity of the Class B Stockholder or immediately upon the Final Conversion Date, as applicable. Upon any conversion of Class B Common Stock to Class A Common Stock, all rights of the holder of such shares of Class B Common Stock shall cease and the person or persons in whose names or names the certificate or certificates (or book-entry position(s)) representing the shares of Class B Common Stock) are to be issued shall be treated for all purposes as having become the record holder or holders of such number of shares of Class A Common Stock into which such shares of Class B Common Stock were convertible. Shares of Class B Common Stock that are converted into shares of Class A Common Stock as provided in this Section D.3 shall be retired and shall not be reissued.
(h)      Reservation of Stock . The Corporation shall at all times reserve and keep available out of its authorized but unissued shares of Class A Common Stock, solely for the purpose of effecting the conversion of the shares of Class B Common Stock, such number of its shares of Class A Common Stock as shall from time to time be sufficient to effect the conversion of all outstanding shares of Class B Common Stock into shares of Class A Common Stock.
E.      No Further Issuances . Except for the issuance of Class B Common Stock issuable upon exercise of Rights outstanding at the Effective Time or a dividend payable in accordance with Article IV , Section D.2(a), the Corporation shall not at any time after the Effective Time issue any additional shares of Class B Common Stock, unless such issuance is approved by the affirmative vote of the holders of a majority of the outstanding shares of Class B Common Stock. After the Final Conversion Date, the Corporation shall not issue any additional shares of Class B Common Stock.
ARTICLE V
The following terms, where capitalized in this Amended and Restated Certificate of Incorporation, shall have the meanings ascribed to them in this Article V :
Affiliate ” means with respect to any specified person, any other person who or which, directly or indirectly, controls, is controlled by, or is under common control with such specified person, including, without limitation, any general partner, managing member, officer, director or manager of such person and any venture capital, private equity, investment advisor or other investment fund now or hereafter existing that is controlled by one or more general partners

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or managing members of, or is under common investment management (or shares the same management, advisory company or investment advisor) with, such person.
Change of Control Share Issuance ” means the issuance by the Corporation, in a transaction or series of related transactions, of voting securities representing more than two percent (2%) of the total voting power (assuming Class A Common Stock and Class B Common Stock each have one (1) vote per share) of the Corporation before such issuance to any person or persons acting as a group as contemplated in Rule 13d-5(b) under the Exchange Act (or any successor provision) that immediately prior to such transaction or series of related transactions held fifty percent (50%) or less of the total voting power of the Corporation (assuming Class A Common Stock and Class B Common Stock each have one (1) vote per share), such that, immediately following such transaction or series of related transactions, such person or group of persons would hold more than fifty percent (50%) of the total voting power of the Corporation (assuming Class A Common Stock and Class B Common Stock each have one (1) vote per share).
Change of Control Transaction ” means (i) the sale, lease, exclusive license, exchange, or other disposition (other than liens and encumbrances created in the ordinary course of business, including liens or encumbrances to secure indebtedness for borrowed money that are approved by the Corporation’s Board of Directors, so long as no foreclosure occurs in respect of any such lien or encumbrance) of all or substantially all of the Corporation’s property and assets (which shall for such purpose include the property and assets of any direct or indirect subsidiary of the Corporation), provided that any sale, lease, exclusive license, exchange or other disposition of property or assets exclusively between or among the Corporation and any direct or indirect subsidiary or subsidiaries of the Corporation shall not be deemed a “ Change of Control Transaction ”; (ii) the merger, consolidation, business combination, or other similar transaction of the Corporation with any other entity, other than a merger, consolidation, business combination, or other similar transaction that would result in the voting securities of the Corporation outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity or its parent) more than fifty percent (50%) of the total voting power represented by the voting securities of the Corporation and more than fifty percent (50%) of the total number of outstanding shares of the Corporation’s capital stock, in each case as outstanding immediately after such merger, consolidation, business combination, or other similar transaction, and the stockholders of the Corporation immediately prior to the merger, consolidation, business combination, or other similar transaction own voting securities of the Corporation, the surviving entity or its parent immediately following the merger, consolidation, business combination, or other similar transaction in substantially the same proportions (vis-à-vis each other) as such stockholders owned the voting securities of the Corporation immediately prior to the transaction; (iii) a recapitalization, liquidation, dissolution, or other similar transaction involving the Corporation, other than a recapitalization, liquidation, dissolution, or other similar transaction that would result in the voting securities of the Corporation outstanding immediately prior thereto continuing to represent (either by remaining outstanding or being converted into voting securities of the surviving entity or its parent) more than fifty percent (50%) of the total voting power represented by the voting securities of the Corporation and more than fifty percent (50%) of the total number of outstanding shares of the Corporation’s capital stock, in each case as outstanding immediately after such recapitalization, liquidation, dissolution or other similar transaction, and the stockholders of the Corporation immediately prior to the recapitalization, liquidation, dissolution or other similar transaction own voting securities of the Corporation, the surviving entity or its parent immediately following the recapitalization, liquidation, dissolution or other similar transaction in substantially the same proportions (vis-à-vis each other) as such stockholders owned the voting securities of the Corporation immediately prior to the transaction; and (iv) any Change of Control Share Issuance.
Class B Stockholder ” means (i) the registered holder of a share of Class B Common Stock at the Effective Time and (ii) the registered holder of any shares of Class B Common Stock that are originally issued by the Corporation after the Effective Time.
Distribution ” means (i) any dividend or distribution of cash, property or shares of the Corporation’s capital stock; and (ii) any distribution following or in connection with any liquidation, dissolution or winding up of the Corporation, either voluntary or involuntary.
Effective Time ” means the acceptance of this Amended and Restated Certificate of Incorporation for filing by the Secretary of State of the State of Delaware.

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Exchange Act ” means the United States Securities Exchange Act of 1934, as amended.
Final Conversion Date ” means 5:00 p.m. in New York City, New York on the first Trading Day falling on or after the tenth (10th) year anniversary of the Effective Time.
Incapacity ” shall mean that such holder is incapable of managing his or her financial affairs under the criteria set forth in the applicable probate code that can be expected to result in death or which has lasted or can be expected to last for a continuous period of not less than six (6) months as determined by a licensed medical practitioner. In the event of a dispute regarding whether a Class B Stockholder has suffered an Incapacity, no Incapacity of such holder will be deemed to have occurred unless and until an affirmative ruling regarding such Incapacity has been made by a court of competent jurisdiction.
Independent Directors ” means the members of the Board of Directors designated as independent directors in accordance with the requirements of the Securities Exchange that are generally applicable to companies with common equity securities listed thereon (or if the Corporation’s equity securities are not listed for trading on a Securities Exchange, the requirements of a Securities Exchange generally applicable to companies with common equity securities listed thereon).
Rights ” means any option, warrant, restricted stock unit, conversion right or contractual right of any kind to acquire shares of the Corporation’s authorized but unissued capital stock.
Securities Exchange ” means, at any time, the registered national securities exchange on which the Corporation’s equity securities are then principally listed or traded, which shall be the New York Stock Exchange or Nasdaq Global Market (or similar national quotation system of the Nasdaq Stock Market) (“ Nasdaq ”) or any successor exchange of either the New York Stock Exchange or Nasdaq.
Trading Day ” means any day on which the Securities Exchange is open for trading.
Transfer ” of a share of Class B Common Stock shall mean any sale, assignment, transfer, conveyance, hypothecation or other transfer or disposition of such share or any legal or beneficial interest in such share, whether or not for value and whether voluntary or involuntary or by operation of law. A “ Transfer ” shall also include, without limitation, (i) a transfer of a share of Class B Common Stock to a broker or other nominee (regardless of whether or not there is a corresponding change in beneficial ownership) or (ii) the transfer of, or entering into a binding agreement with respect to, Voting Control over a share of Class B Common Stock by proxy or otherwise; provided, however , that the following shall not be considered a “ Transfer ”: (a) the grant of a proxy to officers or directors of the Corporation at the request of the Board of Directors of the Corporation in connection with actions to be taken at an annual or special meeting of stockholders; (b) entering into a voting agreement that provides for the grant of a voting proxy to the Chief Executive Officer of the Corporation; (c) the pledge of shares of Class B Common Stock by a Class B Stockholder that creates a mere security interest in such shares pursuant to a bona fide loan or indebtedness transaction so long as the Class B Stockholder continues to exercise Voting Control over such pledged shares; provided, however , that a foreclosure on such shares of Class B Common Stock or other similar action by the pledge shall constitute a “ Transfer ”; (d) the fact that, as of the Effective Time or at any time after the Effective Time, the spouse of any Class B Stockholder possesses or obtains an interest in such holder’s shares of Class B Common Stock arising solely by reason of the application of the community property laws of any jurisdiction, so long as no other event or circumstance shall exist or have occurred that constitutes a “ Transfer ” of such shares of Class B Common Stock; (e) entering into a trading plan pursuant to Rule 10b5-1 under the Exchange Act with a broker or other nominee; provided, however , that a sale of such shares of Class B Common Stock pursuant to such plan shall constitute a “ Transfer ” at the time of such sale; or (f) entering into a support, voting, tender or similar agreement, arrangement or understanding (with or without granting a proxy) in connection with a Change of Control Transaction; provided, however, that such Change of Control Transaction was approved by a majority of the Independent Directors then in office.
Voting Control ” with respect to a share of Class B Common Stock means the exclusive power (whether directly or indirectly) to vote or direct the voting of such share of Class B Common Stock by proxy, voting agreement, or otherwise.

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ARTICLE VI
A.      General Powers . The business and affairs of the Corporation shall be managed by or under the direction of the Board of Directors.
B.      Number of Directors; Election . Subject to the rights of holders of any series of Preferred Stock with respect to the election of directors, the number of directors that constitutes the entire Board of Directors of the Corporation shall be fixed solely by resolution of the Board of Directors. Subject to the rights of holders of any series of Preferred Stock with respect to the election of directors, each director of the Corporation shall hold office until the expiration of the term for which he or she is elected and until his or her successor has been duly elected and qualified or until his or her earlier resignation, death or removal.
C.      Classified Board Structure . From and after the Effective Time, and subject to the rights of holders of any series of Preferred Stock with respect to the election of directors, the directors of the Corporation shall be divided into three (3) classes as nearly equal in size as is practicable, hereby designated Class I, Class II and Class III. The Board of Directors may assign members of the Board of Directors already in office to such classes at the time such classification becomes effective. The term of office of the initial Class I directors shall expire at the first regularly-scheduled annual meeting of stockholders following the Effective Time, the term of office of the initial Class II directors shall expire at the second annual meeting of stockholders following the Effective Time and the term of office of the initial Class III directors shall expire at the third annual meeting of stockholders following the Effective Time. At each annual meeting of stockholders, commencing with the first regularly-scheduled annual meeting of stockholders following the Effective Time, each of the successors elected to replace the directors of a Class whose term shall have expired at such annual meeting shall be elected to hold office until the third annual meeting next succeeding his or her election and until his or her respective successor shall have been duly elected and qualified.
Notwithstanding the foregoing provisions of this Article VI , each director shall serve until his or her successor is duly elected and qualified or until his or her death, resignation, or removal. Subject to the rights of holders of any series of Preferred Stock with respect to the election of directors, if the number of directors is hereafter changed, any newly created directorships or decrease in directorships shall be so apportioned among the classes as to make all classes as nearly equal in number as is practicable, provided that no decrease in the number of directors constituting the Board of Directors shall shorten the term of any incumbent director.
D.      Removal; Vacancies . Subject to the rights of holders of any series of Preferred Stock with respect to the election of directors, for so long as the Board of Directors is divided into classes pursuant to Article VI Section C, any director may be removed from office by the stockholders of the Corporation only for cause. Vacancies occurring on the Board of Directors for any reason and newly created directorships resulting from an increase in the authorized number of directors may be filled only by vote of a majority of the remaining members of the Board of Directors, although less than a quorum, or by a sole remaining director, at any meeting of the Board of Directors. A person so elected by the Board of Directors to fill a vacancy or newly created directorship shall hold office until the next election of the class for which such director shall have been chosen and until his or her successor shall be duly elected and qualified.
ARTICLE VII
A.      Written Ballot . Elections of directors need not be by written ballot unless the Bylaws of the Corporation (the “ Bylaws ”) shall so provide.
B.      Amendment of Bylaws . In furtherance and not in limitation of the powers conferred by statute, the Board of Directors is expressly authorized to adopt, amend or repeal the Bylaws of the Corporation.
C.      Special Meetings . Special meetings of the stockholders may be called only by (i) the Board of Directors pursuant to a resolution adopted by a majority of the Board of Directors; (ii) the chairman of the Board of Directors; or (iii) the chief executive officer of the Corporation.

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D.      No Stockholder Action by Written Consent . Subject to the rights of the holders of any series of Preferred Stock, no action shall be taken by the stockholders of the Corporation except at an annual or special meeting of the stockholders called in accordance with the Bylaws, and no action shall be taken by the stockholders by written consent.
E.      No Cumulative Voting . No stockholder will be permitted to cumulate votes at any election of directors.
ARTICLE VIII
To the fullest extent permitted by the DGCL, as it presently exists or may hereafter be amended from time to time, a director of the Corporation shall not be personally liable to the Corporation or its stockholders for monetary damages for breach of any fiduciary duties as a director. If the DGCL is amended to authorize corporate action further eliminating or limiting the personal liability of directors, then the liability of a director of the Corporation shall be eliminated or limited to the fullest extent permitted by the DGCL, as so amended.
Neither any amendment nor repeal of this Article VIII , nor the adoption of any provision of the Corporation’s Amended Certificate of Incorporation inconsistent with this Article VIII , shall eliminate or reduce the effect of this Article VIII in respect of any matter occurring, or any cause of action, suit or proceeding accruing or arising or that, but for this Article VIII , would accrue or arise, prior to such amendment, repeal or adoption of an inconsistent provision.
ARTICLE IX
Subject to any provisions in the Bylaws of the Corporation related to indemnification of directors or officers of the Corporation, the Corporation shall indemnify, to the fullest extent permitted by applicable law, any director or officer of the Corporation who was or is a party or is threatened to be made a party to any threatened, pending or completed action, suit or proceeding, whether civil, criminal, administrative or investigative (a “ Proceeding ”) by reason of the fact that he or she is or was a director, officer, employee or agent of the Corporation or is or was serving at the request of the Corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise, including service with respect to employee benefit plans, against expenses (including attorneys’ fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in connection with any such Proceeding.
The Corporation shall have the power to indemnify, to the extent permitted by the DGCL, as it presently exists or may hereafter be amended from time to time, any employee or agent of the Corporation who was or is a party or is threatened to be made a party to any Proceeding by reason of the fact that he or she is or was a director, officer, employee or agent of the Corporation or is or was serving at the request of the Corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise, including service with respect to employee benefit plans, against expenses (including attorneys’ fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in connection with any such Proceeding.
A right to indemnification or to advancement of expenses arising under a provision of this Amended and Restated Certificate of Incorporation or the Bylaws of the Corporation shall not be eliminated or impaired by an amendment to this Amended and Restated Certificate of Incorporation or the Bylaws of the Corporation after the occurrence of the act or omission that is the subject of the Proceeding for which indemnification or advancement of expenses is sought, unless the provision in effect at the time of such act or omission explicitly authorizes such elimination or impairment after such action or omission has occurred.
ARTICLE X
If any provision of this Amended and Restated Certificate of Incorporation becomes or is declared on any ground by a court of competent jurisdiction to be illegal, unenforceable or void, portions of such provision, or such provision in its entirety, to the extent necessary, shall be severed from this Amended and Restated Certificate of Incorporation, and the court will replace such illegal, void or unenforceable provision of this Amended and Restated

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Certificate of Incorporation with a valid and enforceable provision that most accurately reflects the Corporation’s intent, in order to achieve, to the maximum extent possible, the same economic, business and other purposes of the illegal, void or unenforceable provision. The balance of this Amended and Restated Certificate of Incorporation shall be enforceable in accordance with its terms.
Except as provided in ARTICLE VIII and ARTICLE IX above, the Corporation reserves the right to amend, alter, change or repeal any provision contained in this Amended and Restated Certificate of Incorporation, in the manner now or hereafter prescribed by statute, and all rights conferred upon stockholders herein are granted subject to this reservation; provided, however, that, notwithstanding any other provision of this Amended and Restated Certificate of Incorporation or any provision of law that might otherwise permit a lesser vote or no vote, but in addition to any vote of the holders of any class or series of the stock of this Corporation required by law or by this Amended and Restated Certificate of Incorporation, the affirmative vote of the holders of at least sixty-six and two-thirds percent (66-2/3%) of the voting power of the outstanding shares of stock of the Corporation entitled to vote generally in the election of directors, voting together as a single class, shall be required to amend or repeal, or adopt any provision of this Amended and Restated Certificate of Incorporation inconsistent with, ARTICLE VI , ARTICLE VII , ARTICLE VIII , ARTICLE IX or this ARTICLE X .
*     *     *

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IN WITNESS WHEREOF , this Amended and Restated Certificate of Incorporation has been signed on behalf of the Corporation by its duly authorized officer effective this ___ day of __________, 2019.
SLACK TECHNOLOGIES, INC.
 
 
By:
 
 
Stewart Butterfield
 
Chief Executive Officer


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Exhibit 3.4









AMENDED AND RESTATED BYLAWS
OF
SLACK TECHNOLOGIES, INC.
(effective upon the effectiveness of the corporation’s registration statement on Form S-1)



TABLE OF CONTENTS
 
 
Page
 
ARTICLE I CORPORATE OFFICES
1

 
1.1
Registered Office
1

 
1.2
Other Offices
1

ARTICLE II MEETINGS OF STOCKHOLDERS
1

 
2.1
Place of Meetings
1

 
2.2
Annual Meeting
1

 
2.3
Special Meeting
1

 
2.4
Advance Notice Procedures
2

 
2.5
Notice of Stockholders’ Meetings
7

 
2.6
Quorum
7

 
2.7
Adjourned Meeting; Notice
7

 
2.8
Conduct of Business
7

 
2.9
Voting
8

 
2.10
No Stockholder Action By Written Consent Without A Meeting
8

 
2.11
Record Dates
8

 
2.12
Proxies
9

 
2.13
List of Stockholders Entitled to Vote
9

 
2.14
Inspectors of Election
10

ARTICLE III DIRECTORS
11

 
3.1
Powers
11

 
3.2
Number of Directors
11

 
3.3
Election, Qualification and Term of Office Of Directors
11

 
3.4
Resignation and Vacancies
11

 
3.5
Place of Meetings; Meetings By Telephone
12

 
3.6
Regular Meetings
12

 
3.7
Special Meetings; Notice
12

 
3.8
Quorum; Voting
13

 
3.9
Board Action By Written Consent Without A Meeting
13

 
3.10
Fees and Compensation of Directors
13

 
3.11
Removal of Directors
13

ARTICLE IV COMMITTEES
14

 
4.1
Committees of Directors
14

 
4.2
Committee Minutes
14

 
4.3
Meetings and Action of Committees
14

 
4.4
Subcommittees
15

ARTICLE V OFFICERS
15

 
5.1
Officers
15

 
5.2
Appointment of Officers
15



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5.3
Subordinate Officers
15

 
5.4
Removal and Resignation of Officers
15

 
5.5
Vacancies In Offices
16

 
5.6
Representation of Shares of Other Entities
16

 
5.7
Authority and Duties of Officers
16

ARTICLE VI STOCK
16

 
6.1
Stock Certificates; Partly Paid Shares
16

 
6.2
Special Designation On Certificates
17

 
6.3
Lost Certificates
17

 
6.4
Dividends
17

 
6.5
Transfer of Stock
17

 
6.6
Stock Transfer Agreements
18

 
6.7
Registered Stockholders
18

ARTICLE VII MANNER OF GIVING NOTICE AND WAIVER
18

 
7.1
Notice of Stockholders’ Meetings
18

 
7.2
Notice By Electronic Transmission
18

 
7.3
Notice To Stockholders Sharing An Address
19

 
7.4
Notice To Person With Whom Communication Is Unlawful
19

 
7.5
Waiver of Notice
20

ARTICLE VIII FORUM FOR CERTAIN ACTIONS
20

ARTICLE IX INDEMNIFICATION
20

 
9.1
Indemnification of Directors and Officers In Third Party Proceedings
20

 
9.2
Indemnification of Directors and Officers in Actions by or in the Right of the Corporation
21

 
9.3
Successful Defense
21

 
9.4
Indemnification of Others
21

 
9.5
Advance Payment of Expenses
21

 
9.6
Limitation On Indemnification
22

 
9.7
Determination; Claim
23

 
9.8
Non‑Exclusivity of Rights
23

 
9.9
Insurance
23

 
9.10
Survival
23

 
9.11
Effect of Repeal or Modification
23

 
9.12
Certain Definitions
24

ARTICLE X GENERAL MATTERS
24

 
10.1
Execution of Corporate Contracts and Instruments
24

 
10.2
Fiscal Year
24

 
10.3
Seal
24

 
10.4
Construction; Definitions
24

ARTICLE XI AMENDMENTS
25



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BYLAWS OF SLACK TECHNOLOGIES, INC.
ARTICLE I
CORPORATE OFFICES
1.1      Registered Office . The registered office of Slack Technologies, Inc. (the “ corporation ”) shall be fixed in its certificate of incorporation, as the same may be amended from time to time.
1.2      Other Offices . The corporation’s board of directors may at any time establish other offices at any place or places where the corporation is qualified to do business.
ARTICLE II
MEETINGS OF STOCKHOLDERS
2.1      Place of Meetings . Meetings of stockholders shall be held at any place, within or outside the State of Delaware, designated by the board of directors. The board of directors may, in its sole discretion, determine that a meeting of stockholders shall not be held at any place, but may instead be held solely by means of remote communication as authorized by Section 211(a)(2) of the General Corporation Law of the State of Delaware (the “ DGCL ”). In the absence of any such designation or determination, stockholders’ meetings shall be held at the corporation’s principal executive office.
2.2      Annual Meeting . The annual meeting of stockholders shall be held on such date, at such time, and at such place (if any) within or without the State of Delaware as shall be designated from time to time by the board of directors and stated in the corporation’s notice of the meeting. At the annual meeting, directors shall be elected and any other proper business, brought in accordance with Section 2.4 of these bylaws, may be transacted. The board of directors may cancel, postpone or reschedule any previously scheduled annual meeting at any time, before or after the notice for such meeting has been sent to the stockholders.
2.3      Special Meeting .
(i)     A special meeting of the stockholders, other than those required by statute, may be called at any time by (A) the board of directors, (B) the chairperson of the board of directors or (C) the chief executive officer, but a special meeting may not be called by any other person or persons. The board of directors may cancel, postpone or reschedule any previously scheduled special meeting at any time, before or after the notice for such meeting has been sent to the stockholders.
(ii)     The notice of a special meeting shall include the purpose for which the meeting is called. Only such business shall be conducted at a special meeting of stockholders as shall have been brought before the meeting by or at the direction of the board of directors, chairperson of the board of directors or chief executive officer. Nothing contained in this Section 2.3(ii) shall



be construed as limiting, fixing or affecting the time when a meeting of stockholders called by action of the board of directors may be held.
2.4      Advance Notice Procedures
(i)      Advance Notice of Stockholder Business . At an annual meeting of the stockholders, only such business shall be conducted as shall have been properly brought before the meeting. To be properly brought before an annual meeting, business must be brought: (A) pursuant to the corporation’s proxy materials with respect to such meeting, (B) by or at the direction of the board of directors, or (C) by a stockholder of the corporation who (1) is a stockholder of record at the time of the giving of the notice required by this Section 2.4(i) and on the record date for the determination of stockholders entitled to vote at the annual meeting and (2) has timely complied in proper written form with the notice procedures set forth in this Section 2.4(i). In addition, for business to be properly brought before an annual meeting by a stockholder, such business must be a proper matter for stockholder action pursuant to these bylaws and applicable law. For the avoidance of doubt, except for proposals properly made in accordance with Rule 14a‑8 under the Securities and Exchange Act of 1934, as amended, or any successor thereto (the “ 1934 Act ”), and the regulations thereunder (or any successor rule and in any case as so amended), clause (C) above shall be the exclusive means for a stockholder to bring business before an annual meeting of stockholders.
(a)     To comply with clause (C) of Section 2.4(i) above, a stockholder’s notice must set forth all information required under this Section 2.4(i) and must be timely received by the secretary of the corporation. To be timely, a stockholder’s notice must be received by the secretary at the principal executive offices of the corporation not later than the 90th day nor earlier than the 120th day before the one-year anniversary of the date on which the corporation first mailed its proxy materials or a notice of availability of proxy materials (whichever is earlier) for the preceding year’s annual meeting; provided, however , that in the event that no annual meeting was held in the previous year or if the date of the annual meeting is advanced by more than 30 days prior to or delayed by more than 60 days after the one‑year anniversary of the date of the previous year’s annual meeting, then, for notice by the stockholder to be timely, it must be so received by the secretary not earlier than the close of business on the 120th day prior to such annual meeting and not later than the close of business on the later of (i) the 90th day prior to such annual meeting, or (ii) the tenth day following the day on which Public Announcement (as defined below) of the date of such annual meeting is first made. In no event shall any adjournment, rescheduling or postponement of an annual meeting or the announcement thereof commence a new time period for the giving of a stockholder’s notice as described in this Section 2.4(i)(a). “ Public Announcement ” shall mean disclosure in a press release reported by the Dow Jones News Service, Associated Press or a comparable national news service, in a document publicly filed by the corporation with the Securities and Exchange Commission pursuant to Section 13, 14 or 15(d) of the 1934 Act.
(b)     To be in proper written form, a stockholder’s notice to the secretary must set forth as to each matter of business the stockholder intends to bring before the annual meeting: (1) a brief description of the business intended to be brought before the annual meeting, the text of the proposal or business (including the text of any resolutions proposed for consideration


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and in the event that such business includes a proposal to amend the bylaws, the language of the proposed amendment) and the reasons for conducting such business at the annual meeting, (2) the name and address, as they appear on the corporation’s books, of the stockholder proposing such business and any Stockholder Associated Person (as defined below), (3) the class and number of shares of the corporation that are held of record or are beneficially owned by the stockholder or any Stockholder Associated Person and any derivative positions held or beneficially held by the stockholder or any Stockholder Associated Person, (4) whether and the extent to which any hedging or other transaction or series of transactions has been entered into by or on behalf of such stockholder or any Stockholder Associated Person with respect to any securities of the corporation, and a description of any other agreement, arrangement or understanding (including any short position or any borrowing or lending of shares), the effect or intent of which is to mitigate loss to, or to manage the risk or benefit from share price changes for, or to increase or decrease the voting power of, such stockholder or any Stockholder Associated Person with respect to any securities of the corporation, (5) any material interest of the stockholder or a Stockholder Associated Person in such business, (6) a statement whether either such stockholder or any Stockholder Associated Person will deliver a proxy statement and/or form of proxy to holders of at least the percentage of the voting power of the corporation’s voting shares required under applicable law to carry the proposal and/or otherwise to solicit proxies or votes from stockholders in support of such proposal and (7) any other information relating to such stockholder or Stockholder Associated Person, if any, required to be disclosed in a proxy statement or other filings required to be made in connection with solicitations of proxies for, the proposal pursuant to and in accordance with Section 14(a) of the 1934 Act and the rules and regulations promulgated thereunder (such information provided and statements made as required by clauses (1) through (7), a “ Business Solicitation Statement ”). In addition, to be in proper written form, a stockholder’s notice to the secretary must be supplemented not later than ten days following the record date for the determination of stockholders entitled to notice of the meeting to disclose the information contained in clauses (3) and (4) above as of the record date. For purposes of this Section 2.4, a “ Stockholder Associated Person ” of any stockholder shall mean (i) any person controlling, directly or indirectly, or acting in concert with, such stockholder, (ii) any beneficial owner of shares of stock of the corporation owned of record or beneficially by such stockholder and on whose behalf the proposal or nomination, as the case may be, is being made, or (iii) any person controlling, controlled by or under common control with such person referred to in the preceding clauses (i) and (ii).
(c)     Without exception, no business shall be conducted at any annual meeting except in accordance with the provisions set forth in this Section 2.4(i) and, if applicable, Section 2.4(ii). In addition, business proposed to be brought by a stockholder may not be brought before the annual meeting if such stockholder or a Stockholder Associated Person, as applicable, takes action contrary to the representations made in the Business Solicitation Statement applicable to such business or if the Business Solicitation Statement applicable to such business contains an untrue statement of a material fact or omits to state a material fact necessary to make the statements therein not misleading. The chairperson of the annual meeting shall, if the facts warrant, determine and declare at the annual meeting that business was not properly brought before the annual meeting and in accordance with the provisions of this Section 2.4(i), and, if the chairperson should so determine, he or she shall so declare at the annual meeting that any such business not properly brought before the annual meeting shall not be conducted.


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(ii)      Advance Notice of Director Nominations at Annual Meetings . Notwithstanding anything in these bylaws to the contrary, only persons who are nominated in accordance with the procedures set forth in this Section 2.4(ii) shall be eligible for election or re‑election as directors at an annual meeting of stockholders. Nominations of persons for election to the board of directors of the corporation shall be made at an annual meeting of stockholders only (A) by or at the direction of the board of directors or (B) by a stockholder of the corporation who (1) was a stockholder of record at the time of the giving of the notice required by this Section 2.4(ii) and on the record date for the determination of stockholders entitled to vote at the annual meeting and (2) has complied with the notice procedures set forth in this Section 2.4(ii). In addition to any other applicable requirements, for a nomination to be made by a stockholder, the stockholder must have given timely notice thereof in proper written form to the secretary of the corporation.
(a)     To comply with clause (B) of Section 2.4(ii) above, a nomination to be made by a stockholder must set forth all information required under this Section 2.4(ii) and must be received by the secretary of the corporation at the principal executive offices of the corporation at the time set forth in, and in accordance with, the final three sentences of Section 2.4(i)(a) above; provided additionally, however , that in the event that the number of directors to be elected to the board of directors is increased and there is no Public Announcement naming all of the nominees for director or specifying the size of the increased board made by the corporation at least ten days before the last day a stockholder may deliver a notice of nomination pursuant to the foregoing provisions, a stockholder’s notice required by this Section 2.4(ii) shall also be considered timely, but only with respect to nominees for any new positions created by such increase, if it shall be received by the secretary of the corporation at the principal executive offices of the corporation not later than the close of business on the tenth day following the day on which such Public Announcement is first made by the corporation.
(b)     To be in proper written form, such stockholder’s notice to the secretary must set forth:
(1)     as to each person (a “ nominee ”) whom the stockholder proposes to nominate for election or re-election as a director: (A) the name, age, business address and residence address of the nominee, (B) the principal occupation or employment of the nominee, (C) the class and number of shares of the corporation that are held of record or are beneficially owned by the nominee and any derivative positions held or beneficially held by the nominee, (D) whether and the extent to which any hedging or other transaction or series of transactions has been entered into by or on behalf of the nominee with respect to any securities of the corporation, and a description of any other agreement, arrangement or understanding (including any short position or any borrowing or lending of shares), the effect or intent of which is to mitigate loss to, or to manage the risk or benefit of share price changes for, or to increase or decrease the voting power of the nominee, (E) a description of all arrangements or understandings between or among any of the stockholder, each nominee and/or any other person or persons (naming such person or persons) pursuant to which the nominations are to be made by the stockholder or relating to the nominee’s potential service on the board of directors, (F) a written statement executed by the nominee acknowledging that as a director of the corporation, the nominee will owe a fiduciary duty under Delaware law with respect to the corporation and its stockholders, and (G) any other information


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relating to the nominee that would be required to be disclosed about such nominee if proxies were being solicited for the election of the nominee as a director, or that is otherwise required, in each case pursuant to Regulation 14A under the 1934 Act (including without limitation the nominee’s written consent to being named in the proxy statement, if any, as a nominee and to serving as a director if elected); and
(2)     as to such stockholder giving notice, (A) the information required to be provided pursuant to clauses (2) through (5) of Section 2.4(i)(b) above, and the supplement referenced in the second sentence of Section 2.4(i)(b) above (except that the references to “business” in such clauses shall instead refer to nominations of directors for purposes of this paragraph), and (B) a statement whether either such stockholder or Stockholder Associated Person will deliver a proxy statement and/or form of proxy to holders at least the percentage of the corporation’s voting shares reasonably believed by such stockholder or Stockholder Associated Person to be necessary to elect such nominee(s) (such information provided and statements made as required by clauses (A) and (B) above, a “ Nominee Solicitation Statement ”).
(c)     At the request of the board of directors, any person nominated by a stockholder for election as a director must furnish to the secretary of the corporation (1) that information required to be set forth in the stockholder’s notice of nomination of such person as a director as of a date subsequent to the date on which the notice of such person’s nomination was given and (2) such other information as may reasonably be required by the corporation to determine the eligibility of such proposed nominee to serve as an independent director of the corporation or that could be material to a reasonable stockholder’s understanding of the independence, or lack thereof, of such nominee; in the absence of the furnishing of such information if requested, such stockholder’s nomination shall not be considered in proper form pursuant to this Section 2.4(ii).
(d)     Without exception, no person shall be eligible for election or re-election as a director of the corporation at an annual meeting of stockholders unless nominated in accordance with the provisions set forth in this Section 2.4(ii). In addition, a nominee shall not be eligible for election or re-election if a stockholder or Stockholder Associated Person, as applicable, takes action contrary to the representations made in the Nominee Solicitation Statement applicable to such nominee or if the Nominee Solicitation Statement applicable to such nominee contains an untrue statement of a material fact or omits to state a material fact necessary to make the statements therein not misleading. The chairperson of the annual meeting shall, if the facts warrant, determine and declare at the annual meeting that a nomination was not made in accordance with the provisions prescribed by these bylaws, and if the chairperson should so determine, he or she shall so declare at the annual meeting, and the defective nomination shall be disregarded.
(iii)      Advance Notice of Director Nominations for Special Meetings .
(a)     For a special meeting of stockholders at which directors are to be elected pursuant to Section 2.3, nominations of persons for election to the board of directors shall be made only (1) by or at the direction of the board of directors or (2) by any stockholder of the corporation who (A) is a stockholder of record at the time of the giving of the notice required by this Section 2.4(iii) and on the record date for the determination of stockholders entitled to vote at the special meeting and (B) delivers a timely written notice of the nomination to the secretary of


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the corporation that includes the information set forth in Sections 2.4(ii)(b) and (ii)(c) above. To be timely, such notice must be received by the secretary at the principal executive offices of the corporation not earlier than the close of business on the 120 th day prior to such meeting and not later than the close of business on the later of the 90th day prior to such special meeting or the tenth day following the day on which Public Announcement is first made of the date of the special meeting and of the nominees proposed by the board of directors to be elected at such meeting. In no event shall any adjournment, rescheduling or postponement of a special meeting or the announcement thereof commence a new time period for the giving of a stockholder’s notice. A person shall not be eligible for election or re-election as a director at a special meeting unless the person is nominated (i) by or at the direction of the board of directors or (ii) by a stockholder in accordance with the notice procedures set forth in this Section 2.4(iii). In addition, a nominee shall not be eligible for election or re-election if a stockholder or Stockholder Associated Person, as applicable, takes action contrary to the representations made in the Nominee Solicitation Statement applicable to such nominee or if the Nominee Solicitation Statement applicable to such nominee contains an untrue statement of a material fact or omits to state a material fact necessary to make the statements therein not misleading.
(b)     The chairperson of the special meeting shall, if the facts warrant, determine and declare at the meeting that a nomination or business was not made in accordance with the procedures prescribed by these bylaws, and if the chairperson should so determine, he or she shall so declare at the meeting, and the defective nomination or business shall be disregarded.
(iv)      Other Requirements and Rights . In addition to the foregoing provisions of this Section 2.4, a stockholder must also comply with all applicable requirements of state law and of the 1934 Act and the rules and regulations thereunder with respect to the matters set forth in this Section 2.4, including, with respect to business such stockholder intends to bring before the annual meeting that involves a proposal that such stockholder requests to be included in the corporation’s proxy statement, the requirements of Rule 14a-8 (or any successor provision) under the 1934 Act. Nothing in this Section 2.4 shall be deemed to affect any right of the corporation to omit a proposal from the corporation’s proxy statement pursuant to Rule 14a-8 (or any successor provision) under the 1934 Act.
Notwithstanding the foregoing provisions of this Section 2.4, unless otherwise required by law, if the stockholder (or a qualified representative of the stockholder) does not appear at the annual or special meeting of stockholders of the corporation to present a nomination or proposed business, such nomination shall be disregarded and such proposed business shall not be transacted, notwithstanding that proxies in respect of such vote may have been received by the corporation. For purposes of this Section 2.4, to be considered a qualified representative of the stockholder, a person must be a duly authorized officer, manager or partner of such stockholder or must be authorized by a writing executed by such stockholder or an electronic transmission delivered by such stockholder to act for such stockholder as proxy at the meeting of stockholders and such person must produce such writing or electronic transmission, or a reliable reproduction of the writing or electronic transmission, at the meeting of stockholders.


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2.5      Notice of Stockholders’ Meetings . Whenever stockholders are required or permitted to take any action at a meeting, a written notice of the meeting shall be given which shall state the place, if any, date and hour of the meeting, the means of remote communications, if any, by which stockholders and proxy holders may be deemed to be present in person and vote at such meeting, the record date for determining the stockholders entitled to vote at the meeting, if such date is different from the record date for determining stockholders entitled to notice of the meeting, and, in the case of a special meeting, the purpose or purposes for which the meeting is called. Except as otherwise provided in the DGCL, the certificate of incorporation or these bylaws, the written notice of any meeting of stockholders shall be given not less than 10 nor more than 60 days before the date of the meeting to each stockholder entitled to vote at such meeting as of the record date for determining the stockholders entitled to notice of the meeting.
2.6      Quorum . The holders of a majority of the voting power of the stock issued and outstanding and entitled to vote, present in person or represented by proxy, shall constitute a quorum for the transaction of business at all meetings of the stockholders, unless otherwise required by law, the certificate of incorporation, these bylaws or the rules of any applicable stock exchange. Where a separate vote by a class or series or classes or series is required, a majority of the voting power of the issued and outstanding shares of such class or series or classes or series, present in person or represented by proxy, shall constitute a quorum entitled to take action with respect to that vote on that matter, except as otherwise required by law, the certificate of incorporation, these bylaws or the rules of any applicable stock exchange.
Whether or not a quorum is present at a meeting of stockholders, the chairperson of the meeting shall have power to adjourn the meeting from time to time, without notice other than announcement at the meeting.
2.7      Adjourned Meeting; Notice . When a meeting is adjourned to another time or place, unless these bylaws otherwise require, notice need not be given of the adjourned meeting if the time, place, if any, thereof, and the means of remote communications, if any, by which stockholders and proxy holders may be deemed to be present in person and vote at such adjourned meeting are announced at the meeting at which the adjournment is taken. At the adjourned meeting, the corporation may transact any business which might have been transacted at the original meeting. If the adjournment is for more than 30 days, a notice of the adjourned meeting shall be given to each stockholder of record entitled to vote at the meeting. If after the adjournment a new record date for stockholders entitled to vote is fixed for the adjourned meeting, the board of directors shall fix a new record date for notice of such adjourned meeting in accordance with Section 213(a) of the DGCL and Section 2.11 of these bylaws, and shall give notice of the adjourned meeting to each stockholder of record entitled to vote at such adjourned meeting as of the record date fixed for notice of such adjourned meeting.
2.8      Conduct of Business . The chairperson of any meeting of stockholders shall determine the order of business and the procedure at the meeting, including such regulation of the manner of voting and the conduct of business. The chairperson of any meeting of stockholders shall be designated by the board of directors; in the absence of such designation, the chairperson of the board, if any, the chief executive officer (in the absence of the chairperson) or the lead


7


independent director (in the absence of the chairperson of the board and the chief executive officer), or in their absence any other executive officer of the corporation, shall serve as chairperson of the stockholder meeting.
2.9      Voting . The stockholders entitled to vote at any meeting of stockholders shall be determined in accordance with the provisions of Section 2.11 of these bylaws, subject to Section 217 (relating to voting rights of fiduciaries, pledgors and joint owners of stock) and Section 218 (relating to voting trusts and other voting agreements) of the DGCL.
Except as may be otherwise provided in the certificate of incorporation, each stockholder shall be entitled to one vote for each share of capital stock held by such stockholder.
Except as otherwise required by law, the certificate of incorporation, these bylaws or the rules of any applicable stock exchange, in all matters other than the election of directors, the affirmative vote of a majority of the voting power of the shares, present in person or represented by proxy, at the meeting and entitled to vote on the subject matter shall be the act of the stockholders. Except as otherwise required by law, the certificate of incorporation, these bylaws or the rules of any applicable stock exchange, directors shall be elected by a plurality of the voting power of the shares, present in person or represented by proxy, at the meeting and entitled to vote on the election of directors. Where a separate vote by a class or series or classes or series is required, in all matters other than the election of directors, the affirmative vote of the majority of the voting power of shares of such class or series or classes or series, present in person or represented by proxy, at the meeting shall be the act of such class or series or classes or series, except as otherwise provided by law, the certificate of incorporation, these bylaws or the rules of any applicable stock exchange.
2.10      No Stockholder Action By Written Consent Without A Meeting . Subject to the rights of the holders of the shares of any series of preferred stock or any other class of stock or series thereof that have been expressly granted the right to take action by written consent, any action required or permitted to be taken by the stockholders of the corporation must be effected at a duly called annual or special meeting of stockholders of the corporation and may not be effected by any consent in writing by such stockholders.
2.11      Record Dates . In order that the corporation may determine the stockholders entitled to notice of any meeting of stockholders or any adjournment thereof, the board of directors may fix a record date, which record date shall not precede the date upon which the resolution fixing the record date is adopted by the board of directors and which record date shall not be more than 60 nor less than 10 days before the date of such meeting. If the board of directors so fixes a date, such date shall also be the record date for determining the stockholders entitled to vote at such meeting unless the board of directors determines, at the time it fixes such record date, that a later date on or before the date of the meeting shall be the date for making such determination.
If no record date is fixed by the board of directors, the record date for determining stockholders entitled to notice of and to vote at a meeting of stockholders shall be at the close of business on the day next preceding the day on which notice is given, or, if notice is waived, at the close of business on the day next preceding the day on which the meeting is held.


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A determination of stockholders of record entitled to notice of or to vote at a meeting of stockholders shall apply to any adjournment of the meeting; provided, however, that the board of directors may fix a new record date for determination of stockholders entitled to vote at the adjourned meeting, and in such case shall also fix as the record date for stockholders entitled to notice of such adjourned meeting the same or an earlier date as that fixed for determination of stockholders entitled to vote in accordance with the provisions of Section 213 of the DGCL and this Section 2.11 at the adjourned meeting.
In order that the corporation may determine the stockholders entitled to receive payment of any dividend or other distribution or allotment of any rights or the stockholders entitled to exercise any rights in respect of any change, conversion or exchange of stock, or for the purpose of any other lawful action, the board of directors may fix a record date, which record date shall not precede the date upon which the resolution fixing the record date is adopted, and which record date shall be not more than 60 days prior to such action. If no record date is fixed, the record date for determining stockholders for any such purpose shall be at the close of business on the day on which the board of directors adopts the resolution relating thereto.
2.12      Proxies . Each stockholder entitled to vote at a meeting of stockholders may authorize another person or persons to act for such stockholder by proxy authorized by an instrument in writing or by a transmission permitted by law filed in accordance with the procedure established for the meeting, but no such proxy shall be voted or acted upon after three years from its date, unless the proxy provides for a longer period. The revocability of a proxy that states on its face that it is irrevocable shall be governed by the provisions of Section 212 of the DGCL. A written proxy may be in the form of a telegram, cablegram, or other means of electronic transmission which sets forth or is submitted with information from which it can be determined that the telegram, cablegram, or other means of electronic transmission was authorized by the stockholder.
2.13      List of Stockholders Entitled to Vote . The officer who has charge of the stock ledger of the corporation shall prepare and make, at least 10 days before every meeting of stockholders, a complete list of the stockholders entitled to vote at the meeting; provided, however , if the record date for determining the stockholders entitled to vote is less than 10 days before the meeting date, the list shall reflect the stockholders entitled to vote as of the tenth day before the meeting date, arranged in alphabetical order, and showing the address of each stockholder and the number of shares registered in the name of each stockholder. The corporation shall not be required to include electronic mail addresses or other electronic contact information on such list. Such list shall be open to the examination of any stockholder for any purpose germane to the meeting for a period of at least 10 days prior to the meeting: (i) on a reasonably accessible electronic network; provided that the information required to gain access to such list is provided with the notice of the meeting, or (ii) during ordinary business hours, at the corporation’s principal place of business. In the event that the corporation determines to make the list available on an electronic network, the corporation may take reasonable steps to ensure that such information is available only to stockholders of the corporation. If the meeting is to be held at a place, then a list of stockholders entitled to vote at the meeting shall be produced and kept at the time and place of the meeting during the whole time thereof, and may be examined by any stockholder who is present. If the meeting is to be held solely by means of remote communication, then such list shall also be open to the examination of any


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stockholder during the whole time of the meeting on a reasonably accessible electronic network, and the information required to access such list shall be provided with the notice of the meeting. Such list shall presumptively determine the identity of the stockholders entitled to vote at the meeting and the number of shares held by each of them.
2.14      Inspectors of Election . Before any meeting of stockholders, the board of directors shall appoint an inspector or inspectors of election to act at the meeting or its adjournment. The number of inspectors shall be either one or three. If any person appointed as inspector fails to appear or fails or refuses to act, then the chairperson of the meeting may, and upon the request of any stockholder or a stockholder’s proxy shall, appoint a person to fill that vacancy; provided further that, in any case, if no inspector or alternate is able to act at a meeting of stockholders, the chairperson of the meeting shall appoint at least one inspector to act at the meeting.
Each inspector, before entering upon the discharge of his or her duties, shall take and sign an oath to execute faithfully the duties of inspector with strict impartiality and according to the best of his or her ability. Such inspectors shall:
(i)     determine the number of shares outstanding and the voting power of each, the number of shares represented at the meeting, the existence of a quorum, and the authenticity, validity, and effect of proxies;
(ii)     receive votes, ballots or consents;
(iii)     hear and determine all challenges and questions in any way arising in connection with the right to vote;
(iv)     count and tabulate all votes or consents;
(v)     determine when the polls shall close;
(vi)     determine the result; and
(vii)     do any other acts that may be proper to conduct the election or vote with fairness to all stockholders.
The inspectors of election shall perform their duties impartially, in good faith, to the best of their ability and as expeditiously as is practical. If there are three inspectors of election, the decision, act or certificate of a majority is effective in all respects as the decision, act or certificate of all. Any report or certificate made by the inspectors of election is prima facie evidence of the facts stated therein.


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ARTICLE III
DIRECTORS
3.1      Powers . The business and affairs of the corporation shall be managed by or under the direction of the board of directors, except as may be otherwise provided in the DGCL or the certificate of incorporation.
3.2      Number of Directors . The board of directors shall consist of one or more members, each of whom shall be a natural person. Unless the certificate of incorporation fixes the number of directors, the number of directors shall be determined from time to time by resolution of the board of directors. No reduction of the authorized number of directors shall have the effect of removing any director before that director’s term of office expires.
3.3      Election, Qualification and Term of Office Of Directors . Except as provided in Section 3.4 of these bylaws, each director, including a director elected to fill a vacancy, shall hold office until the expiration of the term for which elected and until such director’s successor is elected and qualified or until such director’s earlier death, resignation or removal. Directors need not be stockholders unless so required by the certificate of incorporation or these bylaws. The certificate of incorporation or these bylaws may prescribe other qualifications for directors.
In accordance with the provisions of the certificate of incorporation, the directors of the corporation shall be divided into three classes.
3.4      Resignation and Vacancies . Any director may resign at any time upon notice given in writing or by electronic transmission to the corporation. A resignation is effective when the resignation is delivered unless the resignation specifies a later effective date or an effective date determined upon the happening of an event or events. A resignation which is conditioned upon the director failing to receive a specified vote for reelection as a director may provide that it is irrevocable. Unless otherwise provided in the certificate of incorporation or these bylaws, when one or more directors resign from the board of directors, effective at a future date, a majority of the directors then in office, including those who have so resigned, shall have power to fill such vacancy or vacancies, the vote thereon to take effect when such resignation or resignations shall become effective.
Unless otherwise provided in the certificate of incorporation or these bylaws, vacancies and newly created directorships resulting from any increase in the authorized number of directors elected by all of the stockholders having the right to vote as a single class shall be filled only by a majority of the directors then in office, although less than a quorum, or by a sole remaining director. If the directors are divided into classes, a person so elected by the directors then in office to fill a vacancy or newly created directorship shall hold office until the next election of the class for which such director shall have been chosen and until his or her successor shall have been duly elected and qualified.
If at any time, by reason of death or resignation or other cause, the corporation should have no directors in office, then any officer or any stockholder or an executor, administrator, trustee or


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guardian of a stockholder, or other fiduciary entrusted with like responsibility for the person or estate of a stockholder, may call a special meeting of stockholders in accordance with the provisions of the certificate of incorporation or these bylaws, or may apply to the Delaware Court of Chancery for a decree summarily ordering an election as provided in Section 211 of the DGCL.
If, at the time of filling any vacancy or any newly created directorship, the directors then in office constitute less than a majority of the whole board of directors (as constituted immediately prior to any such increase), the Court of Chancery may, upon application of any stockholder or stockholders holding at least 10% of the voting power of the voting stock at the time outstanding having the right to vote for such directors, summarily order an election to be held to fill any such vacancies or newly created directorships, or to replace the directors chosen by the directors then in office as aforesaid, which election shall be governed by the provisions of Section 211 of the DGCL as far as applicable.
3.5      Place of Meetings; Meetings By Telephone . The board of directors may hold meetings, both regular and special, either within or outside the State of Delaware.
Unless otherwise restricted by the certificate of incorporation or these bylaws, members of the board of directors, or any committee designated by the board of directors, may participate in a meeting of the board of directors, or any committee, by means of conference telephone or other communications equipment by means of which all persons participating in the meeting can hear each other, and such participation in a meeting shall constitute presence in person at the meeting.
3.6      Regular Meetings . Regular meetings of the board of directors may be held without notice at such time and at such place as shall from time to time be determined by the board of directors.
3.7      Special Meetings; Notice . Special meetings of the board of directors for any purpose or purposes may be called at any time by the chairperson of the board of directors, the chief executive officer, the president, the secretary or a majority of the authorized number of directors, at such times and places as he or she or they shall designate.
Notice of the time and place of special meetings shall be:
(i)     delivered personally by hand, by courier or by telephone;
(ii)     sent by United States first-class mail, postage prepaid;
(iii)     sent by facsimile; or
(iv)     sent by electronic mail,
directed to each director at that director’s address, telephone number, facsimile number or electronic mail address, as the case may be, as shown on the corporation’s records.
If the notice is (i) delivered personally by hand, by courier or by telephone, (ii) sent by facsimile or (iii) sent by electronic mail, it shall be delivered or sent at least 24 hours before the


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time of the holding of the meeting. If the notice is sent by United States mail, it shall be deposited in the United States mail at least four days before the time of the holding of the meeting. Any oral notice may be communicated to the director. The notice need not specify the place of the meeting (if the meeting is to be held at the corporation’s principal executive office) nor the purpose of the meeting.
3.8      Quorum; Voting . At all meetings of the board of directors, a majority of the total authorized number of directors shall constitute a quorum for the transaction of business. If a quorum is not present at any meeting of the board of directors, then the directors present thereat may adjourn the meeting from time to time, without notice other than announcement at the meeting, until a quorum is present. A meeting at which a quorum is initially present may continue to transact business notwithstanding the withdrawal of directors, if any action taken is approved by at least a majority of the required quorum for that meeting.
The vote of a majority of the directors present at any meeting at which a quorum is present shall be the act of the board of directors, except as may be otherwise specifically provided by statute, the certificate of incorporation or these bylaws.
If the certificate of incorporation provides that one or more directors shall have more or less than one vote per director on any matter, every reference in these bylaws to a majority or other proportion of the directors shall refer to a majority or other proportion of the votes of the directors.
3.9      Board Action By Written Consent Without A Meeting . Unless otherwise restricted by the certificate of incorporation or these bylaws, any action required or permitted to be taken at any meeting of the board of directors, or of any committee thereof, may be taken without a meeting if all members of the board of directors or committee, as the case may be, consent thereto in writing or by electronic transmission and the writing or writings or electronic transmission or transmissions are filed with the minutes of proceedings of the board of directors or committee. Such filing shall be in paper form if the minutes are maintained in paper form and shall be in electronic form if the minutes are maintained in electronic form. Any person (whether or not then a director) may provide, whether through instruction to an agent or otherwise, that a consent to action will be effective at a future time (including a time determined upon the happening of an event), no later than 60 days after such instruction is given or such provision is made and such consent shall be deemed to have been given for purposes of this Section 3.9 at such effective time so long as such person is then a director and did not revoke the consent prior to such time. Any such consent shall be revocable prior to its becoming effective.
3.10      Fees and Compensation of Directors . Unless otherwise restricted by the certificate of incorporation or these bylaws, the board of directors shall have the authority to fix the compensation of directors.
3.11      Removal of Directors . A director may be removed from office by the stockholders of the corporation only as provided in the certificate of incorporation. No reduction of the authorized number of directors shall have the effect of removing any director prior to the expiration of such director’s term of office.


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ARTICLE IV
COMMITTEES
4.1      Committees of Directors . The board of directors may designate one or more committees, each committee to consist of one or more of the directors of the corporation. The board of directors may designate one or more directors as alternate members of any committee, who may replace any absent or disqualified member at any meeting of the committee. In the absence or disqualification of a member of a committee, the member or members thereof present at any meeting and not disqualified from voting, whether or not such member or members constitute a quorum, may unanimously appoint another member of the board of directors to act at the meeting in the place of any such absent or disqualified member. Any such committee, to the extent provided in the resolution of the board of directors or in these bylaws, shall have and may exercise all the powers and authority of the board of directors in the management of the business and affairs of the corporation, and may authorize the seal of the corporation to be affixed to all papers that may require it; but no such committee shall have the power or authority to (i) approve or adopt, or recommend to the stockholders, any action or matter (other than the election or removal of directors) expressly required by the DGCL to be submitted to stockholders for approval, or (ii) adopt, amend or repeal any bylaw of the corporation.
4.2      Committee Minutes . Each committee shall keep regular minutes of its meetings and report the same to the board of directors when required.
4.3      Meetings and Action of Committees . Meetings and actions of committees shall be governed by, and held and taken in accordance with, the provisions of:
(i)     Section 3.5 (place of meetings and meetings by telephone);
(ii)     Section 3.6 (regular meetings);
(iii)     Section 3.7 (special meetings and notice);
(iv)     Section 3.8 (quorum; voting);
(v)     Section 7.5 (waiver of notice); and
(vi)     Section 3.9 (action without a meeting)
with such changes in the context of those bylaws as are necessary to substitute the committee and its members for the board of directors and its members. However:
(i)     the time of regular meetings of committees may be determined either by resolution of the board of directors or by resolution of the committee;
(ii)     special meetings of committees may also be called by resolution of the board of directors; and


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(iii)     notice of special meetings of committees shall also be given to all alternate members, who shall have the right to attend all meetings of the committee.
The board of directors or a committee may adopt rules for the government of any committee not inconsistent with the provisions of these bylaws.
Any provision in the certificate of incorporation providing that one or more directors shall have more or less than one vote per director on any matter shall apply to voting in any committee or subcommittee, unless otherwise provided in the certificate of incorporation or these bylaws.
4.4      Subcommittees . Unless otherwise provided in the certificate of incorporation, these bylaws or the resolutions of the board of directors designating the committee, a committee may create one or more subcommittees, each subcommittee to consist of one or more members of the committee, and delegate to a subcommittee any or all of the powers and authority of the committee.
ARTICLE V
OFFICERS
5.1      Officers . The officers of the corporation shall be a president and a secretary. The corporation may also have, at the discretion of the board of directors, a chairperson of the board of directors, a vice chairperson of the board of directors, a chief executive officer, a chief financial officer or treasurer, one or more vice presidents, one or more assistant vice presidents, one or more assistant treasurers, one or more assistant secretaries, and any such other officers as may be appointed in accordance with the provisions of these bylaws. Any number of offices may be held by the same person.
5.2      Appointment of Officers . The board of directors shall appoint the officers of the corporation, except such officers as may be appointed in accordance with the provisions of Sections 5.3 of these bylaws, subject to the rights, if any, of an officer under any contract of employment.
5.3      Subordinate Officers . The board of directors may appoint, or empower the chief executive officer or, in the absence of a chief executive officer, the president, to appoint, such other officers and agents as the business of the corporation may require. Each of such officers and agents shall hold office for such period, have such authority, and perform such duties as are provided in these bylaws or as the board of directors may from time to time determine.
5.4      Removal and Resignation of Officers . Subject to the rights, if any, of an officer under any contract of employment, any officer may be removed, either with or without cause, by an affirmative vote of the majority of the board of directors at any regular or special meeting of the board of directors or, except in the case of an officer chosen by the board of directors, by any officer upon whom such power of removal may be conferred by the board of directors.
Any officer may resign at any time by giving written notice to the corporation. Any resignation shall take effect at the date of the receipt of that notice or at any later time specified in that notice. Unless otherwise specified in the notice of resignation, the acceptance of the resignation


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shall not be necessary to make it effective. Any resignation is without prejudice to the rights, if any, of the corporation under any contract to which the officer is a party.
5.5      Vacancies In Offices . Any vacancy occurring in any office of the corporation shall be filled by the board of directors or as provided in Section 5.3.
5.6      Representation of Shares of Other Entities . The chairperson of the board of directors, the president, any vice president, the treasurer, the secretary or assistant secretary of this corporation, or any other person authorized by the board of directors or the president or a vice president, is authorized to vote, represent, and exercise on behalf of this corporation all rights incident to any and all shares or other equity interests of any other corporation or corporations or entity or entities standing in the name of this corporation, including the right to act by written consent. The authority granted herein may be exercised either by such person directly or by any other person authorized to do so by proxy or power of attorney duly executed by such person having the authority.
5.7      Authority and Duties of Officers . All officers of the corporation shall respectively have such authority and perform such duties in the management of the business of the corporation as may be designated from time to time by the board of directors or the stockholders and, to the extent not so provided, as generally pertain to their respective offices, subject to the control of the board of directors.
ARTICLE VI
STOCK
6.1      Stock Certificates; Partly Paid Shares . The shares of the corporation shall be represented by certificates; provided that the board of directors may provide by resolution or resolutions that some or all of any or all classes or series of its stock shall be uncertificated shares. Any such resolution shall not apply to shares represented by a certificate until such certificate is surrendered to the corporation. Every holder of stock represented by certificates shall be entitled to have a certificate signed by, or in the name of the corporation by any two authorized officers of the corporation, which shall include, without limitation, the chairperson of the board of directors, the vice-chairperson of the board of directors, the president, any vice-president, the treasurer, any assistant treasurer, the secretary and any assistant secretary of the corporation, representing the number of shares registered in certificate form. Any or all of the signatures on the certificate may be a facsimile. In case any officer, transfer agent or registrar who has signed or whose facsimile signature has been placed upon a certificate has ceased to be such officer, transfer agent or registrar before such certificate is issued, it may be issued by the corporation with the same effect as if such person were such officer, transfer agent or registrar at the date of issue. The corporation shall not have power to issue a certificate in bearer form.
The corporation may issue the whole or any part of its shares as partly paid and subject to call for the remainder of the consideration to be paid therefor. Upon the face or back of each stock certificate issued to represent any such partly-paid shares, or upon the books and records of the corporation in the case of uncertificated partly-paid shares, the total amount of the consideration to be paid therefor and the amount paid thereon shall be stated. Upon the declaration of any dividend


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on fully-paid shares, the corporation shall declare a dividend upon partly-paid shares of the same class, but only upon the basis of the percentage of the consideration actually paid thereon.
6.2      Special Designation On Certificates . If the corporation is authorized to issue more than one class of stock or more than one series of any class, then the powers, the designations, the preferences, and the relative, participating, optional or other special rights of each class of stock or series thereof and the qualifications, limitations or restrictions of such preferences and/or rights shall be set forth in full or summarized on the face or back of the certificate that the corporation shall issue to represent such class or series of stock; provided, however , that, except as otherwise provided in Section 202 of the DGCL, in lieu of the foregoing requirements there may be set forth on the face or back of the certificate that the corporation shall issue to represent such class or series of stock, a statement that the corporation will furnish without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional or other special rights of each class of stock or series thereof and the qualifications, limitations or restrictions of such preferences and/or rights. Within a reasonable time after the issuance or transfer of uncertificated stock, the corporation shall send to the registered owner thereof a written notice containing the information required to be set forth or stated on certificates pursuant to this Section 6.2 or Sections 151, 156, 202(a) or 218(a) of the DGCL or with respect to this Section 6.2 a statement that the corporation will furnish without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional or other special rights of each class of stock or series thereof and the qualifications, limitations or restrictions of such preferences and/or rights. Except as otherwise expressly provided by law, the rights and obligations of the holders of uncertificated stock and the rights and obligations of the holders of certificates representing stock of the same class and series shall be identical.
6.3      Lost Certificates . Except as provided in this Section 6.3, no new certificates for shares shall be issued to replace a previously issued certificate unless the latter is surrendered to the corporation and cancelled at the same time. The corporation may issue a new certificate of stock or uncertificated shares in the place of any certificate theretofore issued by it, alleged to have been lost, stolen or destroyed, and the corporation may require the owner of the lost, stolen or destroyed certificate, or such owner’s legal representative, to give the corporation a bond sufficient to indemnify it against any claim that may be made against it on account of the alleged loss, theft or destruction of any such certificate or the issuance of such new certificate or uncertificated shares.
6.4      Dividends . The board of directors, subject to any restrictions contained in the certificate of incorporation or applicable law, may declare and pay dividends upon the shares of the corporation’s capital stock.
The board of directors may set apart out of any of the funds of the corporation available for dividends a reserve or reserves for any proper purpose and may abolish any such reserve. Such purposes shall include but not be limited to equalizing dividends, repairing or maintaining any property of the corporation, and meeting contingencies.
6.5      Transfer of Stock . Transfers of record of shares of stock of the corporation shall be made only upon its books by the holders thereof, in person or by an attorney duly authorized, and, subject to Section 6.3 of these bylaws, if such stock is certificated, upon the surrender of a certificate


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or certificates for a like number of shares, properly endorsed or accompanied by proper evidence of succession, assignation or authority to transfer.
6.6      Stock Transfer Agreements . The corporation shall have power to enter into and perform any agreement with any number of stockholders of any one or more classes of stock of the corporation to restrict the transfer of shares of stock of the corporation of any one or more classes owned by such stockholders in any manner not prohibited by the DGCL.
6.7      Registered Stockholders . The corporation:
(i)     shall be entitled to recognize the exclusive right of a person registered on its books as the owner of shares to receive dividends and to vote as such owner;
(ii)     shall be entitled to hold liable for calls and assessments the person registered on its books as the owner of shares; and
(iii)     shall not be bound to recognize any equitable or other claim to or interest in such share or shares on the part of another person, whether or not it shall have express or other notice thereof, except, in each case, as otherwise provided by the laws of Delaware.
ARTICLE VII
MANNER OF GIVING NOTICE AND WAIVER
7.1      Notice of Stockholders’ Meetings . Notice of any meeting of stockholders, if mailed, is given when deposited in the United States mail, postage prepaid, directed to the stockholder at such stockholder’s address as it appears on the corporation’s records. An affidavit of the secretary or an assistant secretary of the corporation or of the transfer agent or other agent of the corporation that the notice has been given shall, in the absence of fraud, be prima facie evidence of the facts stated therein.
7.2      Notice By Electronic Transmission . Without limiting the manner by which notice otherwise may be given effectively to stockholders pursuant to the DGCL, the certificate of incorporation or these bylaws, any notice to stockholders given by the corporation under any provision of the DGCL, the certificate of incorporation or these bylaws shall be effective if given by a form of electronic transmission consented to by the stockholder to whom the notice is given. Any such consent shall be revocable by the stockholder by written notice to the corporation. Any such consent shall be deemed revoked if:
(i)     the corporation is unable to deliver by electronic transmission two consecutive notices given by the corporation in accordance with such consent; and
(ii)     such inability becomes known to the secretary or an assistant secretary of the corporation or to the transfer agent, or other person responsible for the giving of notice.
However, the inadvertent failure to treat such inability as a revocation shall not invalidate any meeting or other action.


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Any notice given pursuant to the preceding paragraph shall be deemed given:
(i)     if by facsimile telecommunication, when directed to a number at which the stockholder has consented to receive notice;
(ii)     if by electronic mail, when directed to an electronic mail address at which the stockholder has consented to receive notice;
(iii)     if by a posting on an electronic network together with separate notice to the stockholder of such specific posting, upon the later of (A) such posting and (B) the giving of such separate notice; and
(iv)     if by any other form of electronic transmission, when directed to the stockholder.
An affidavit of the secretary or an assistant secretary or of the transfer agent or other agent of the corporation that the notice has been given by a form of electronic transmission shall, in the absence of fraud, be prima facie evidence of the facts stated therein.
An “ electronic transmission ” means any form of communication, not directly involving the physical transmission of paper, that creates a record that may be retained, retrieved, and reviewed by a recipient thereof, and that may be directly reproduced in paper form by such a recipient through an automated process.
Notice by a form of electronic transmission shall not apply with respect to Sections 164, 296, 311, 312 or 324 of the DGCL.
7.3      Notice To Stockholders Sharing An Address . Except as otherwise prohibited under the DGCL, without limiting the manner by which notice otherwise may be given effectively to stockholders, any notice to stockholders given by the corporation under the provisions of the DGCL, the certificate of incorporation or these bylaws shall be effective if given by a single written notice to stockholders who share an address if consented to by the stockholders at that address to whom such notice is given. Any such consent shall be revocable by the stockholder by written notice to the corporation. Any stockholder who fails to object in writing to the corporation, within 60 days of having been given written notice by the corporation of its intention to send the single notice, shall be deemed to have consented to receiving such single written notice.
7.4      Notice To Person With Whom Communication Is Unlawful . Whenever notice is required to be given, under the DGCL, the certificate of incorporation or these bylaws, to any person with whom communication is unlawful, the giving of such notice to such person shall not be required and there shall be no duty to apply to any governmental authority or agency for a license or permit to give such notice to such person. Any action or meeting which shall be taken or held without notice to any such person with whom communication is unlawful shall have the same force and effect as if such notice had been duly given. In the event that the action taken by the corporation is such as to require the filing of a certificate under the DGCL, the certificate shall state, if such is


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the fact and if notice is required, that notice was given to all persons entitled to receive notice except such persons with whom communication is unlawful.
7.5      Waiver of Notice . Whenever notice is required to be given under any provision of the DGCL, the certificate of incorporation or these bylaws, a written waiver, signed by the person entitled to notice, or a waiver by electronic transmission by the person entitled to notice, whether before or after the time of the event for which notice is to be given, shall be deemed equivalent to notice. Attendance of a person at a meeting shall constitute a waiver of notice of such meeting, except when the person attends a meeting for the express purpose of objecting at the beginning of the meeting, to the transaction of any business because the meeting is not lawfully called or convened. Neither the business to be transacted at, nor the purpose of, any regular or special meeting of the stockholders need be specified in any written waiver of notice or any waiver by electronic transmission unless so required by the certificate of incorporation or these bylaws.
ARTICLE VIII
FORUM FOR CERTAIN ACTIONS
Unless the corporation consents in writing to the selection of an alternative forum, the sole and exclusive forum for (i) any derivative action or proceeding brought on behalf of the corporation, (ii) any action asserting a claim of breach of a fiduciary duty owed by any director, officer or other employee or stockholder of the corporation to the corporation or the corporation’s stockholders, (iii) any action asserting a claim arising pursuant to any provision of the DGCL, the certificate of incorporation or these bylaws or as to which the DGCL confers jurisdiction on the Court of Chancery of the State of Delaware or (iv) any action asserting a claim governed by the internal affairs doctrine shall be a state or federal court located within the state of Delaware, in all cases subject to the court’s having personal jurisdiction over the indispensable parties named as defendants. Any person or entity purchasing or otherwise acquiring any interest in shares of capital stock of the corporation shall be deemed to have notice of and consented to the provisions of this bylaw. Notwithstanding the foregoing, any action asserting claims under the Securities Act of 1933, as amended may be brought in state or federal court, subject to applicable law.
ARTICLE IX
INDEMNIFICATION
9.1      Indemnification of Directors and Officers In Third Party Proceedings . Subject to the other provisions of this Article IX, the corporation shall indemnify, to the fullest extent permitted by the DGCL, as now or hereinafter in effect, any person who was or is a party or is threatened to be made a party to any threatened, pending or completed action, suit or proceeding, whether civil, criminal, administrative or investigative (a “ Proceeding ”) (other than an action by or in the right of the corporation) by reason of the fact that such person is or was a director or officer of the corporation, or is or was a director or officer of the corporation serving at the request of the corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise, against expenses (including attorneys’ fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by such person in connection with such


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Proceeding if such person acted in good faith and in a manner such person reasonably believed to be in or not opposed to the best interests of the corporation, and, with respect to any criminal action or proceeding, had no reasonable cause to believe such person’s conduct was unlawful. The termination of any Proceeding by judgment, order, settlement, conviction, or upon a plea of nolo contendere or its equivalent, shall not, of itself, create a presumption that the person did not act in good faith and in a manner which such person reasonably believed to be in or not opposed to the best interests of the corporation, and, with respect to any criminal action or proceeding, had reasonable cause to believe that such person’s conduct was unlawful.
9.2      Indemnification of Directors and Officers in Actions by or in the Right of the Corporation . Subject to the other provisions of this Article IX, the corporation shall indemnify, to the fullest extent permitted by the DGCL, as now or hereinafter in effect, any person who was or is a party or is threatened to be made a party to any threatened, pending or completed action or suit by or in the right of the corporation to procure a judgment in its favor by reason of the fact that such person is or was a director or officer of the corporation, or is or was a director or officer of the corporation serving at the request of the corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise against expenses (including attorneys’ fees) actually and reasonably incurred by such person in connection with the defense or settlement of such action or suit if such person acted in good faith and in a manner such person reasonably believed to be in or not opposed to the best interests of the corporation; except that no indemnification shall be made in respect of any claim, issue or matter as to which such person shall have been adjudged to be liable to the corporation unless and only to the extent that the Court of Chancery or the court in which such action or suit was brought shall determine upon application that, despite the adjudication of liability but in view of all the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which the Court of Chancery or such other court shall deem proper.
9.3      Successful Defense . To the extent that a present or former director or officer of the corporation has been successful on the merits or otherwise in defense of any action, suit or proceeding described in Section 9.1 or Section 9.2, or in defense of any claim, issue or matter therein, such person shall be indemnified against expenses (including attorneys’ fees) actually and reasonably incurred by such person in connection therewith.
9.4      Indemnification of Others . Subject to the other provisions of this Article IX, the corporation shall have power to indemnify its employees and agents to the extent not prohibited by the DGCL or other applicable law. The board of directors shall have the power to delegate to such person or persons as the board shall in its discretion determine the determination of whether employees or agents shall be indemnified.
9.5      Advance Payment of Expenses . Expenses (including attorneys’ fees) actually and reasonably incurred by a current officer or director of the corporation in defending any Proceeding shall be paid by the corporation in advance of the final disposition of such Proceeding upon receipt of a written request therefor (together with documentation reasonably evidencing such expenses) and an undertaking by or on behalf of the person to repay such amounts if it shall ultimately be determined that the person is not entitled to be indemnified under this Article IX or the DGCL.


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Such expenses (including attorneys’ fees) incurred by former directors and officers or other employees and agents of the corporation or by persons serving at the request of the corporation as directors, officers, employees or agents of another corporation, partnership, joint venture, trust or other enterprise may be so paid upon such terms and conditions, if any, as the corporation deems appropriate. The right to advancement of expenses shall not apply to any claim for which indemnity is excluded pursuant to these bylaws, but shall apply to any Proceeding referenced in Section 9.6(ii) or 9.6(iii) prior to a determination that the person is not entitled to be indemnified by the corporation. The right to advancement of expenses shall not apply to any claim for which indemnity is excluded pursuant to these bylaws, but shall apply to any Proceeding referenced in Section 9.6(ii) or 9.6(iii) prior to a determination that the person is not entitled to be indemnified by the corporation.
9.6      Limitation On Indemnification . Subject to the requirements in Section 9.3 and the DGCL, the corporation shall not be obligated to indemnify any person pursuant to this Article IX in connection with any Proceeding (or any part of any Proceeding):
(i)     for which payment has actually been made to or on behalf of such person under any statute, insurance policy, indemnity provision, vote or otherwise, except with respect to any excess beyond the amount paid;
(ii)     for an accounting or disgorgement of profits pursuant to Section 16(b) of the 1934 Act, or similar provisions of federal, state or local statutory law or common law, if such person is held liable therefor (including pursuant to any settlement arrangements);
(iii)     for any reimbursement of the corporation by such person of any bonus or other incentive-based or equity-based compensation or of any profits realized by such person from the sale of securities of the corporation, as required in each case under the 1934 Act (including any such reimbursements that arise from an accounting restatement of the corporation pursuant to Section 304 of the Sarbanes-Oxley Act of 2002 (the “ Sarbanes-Oxley Act ”), or the payment to the corporation of profits arising from the purchase and sale by such person of securities in violation of Section 306 of the Sarbanes-Oxley Act), if such person is held liable therefor (including pursuant to any settlement arrangements);
(iv)     initiated by such person, including any Proceeding (or any part of any Proceeding) initiated by such person against the corporation or its directors, officers, employees, agents or other indemnitees, unless (a) the board of directors authorized the Proceeding (or the relevant part of the Proceeding) prior to its initiation, (b) the corporation provides the indemnification, in its sole discretion, pursuant to the powers vested in the corporation under applicable law, (c) otherwise required to be made under Section 9.7 or (d) otherwise required by applicable law; or
(v)     if prohibited by applicable law; provided, however , that if any provision or provisions of this Article IX shall be held to be invalid, illegal or unenforceable for any reason whatsoever: (1) the validity, legality and enforceability of the remaining provisions of this Article IX (including, without limitation, each portion of any paragraph or clause containing any such provision held to be invalid, illegal or unenforceable, that is not itself held to be invalid, illegal or unenforceable) shall not in any way be affected or impaired thereby; and (2) to the fullest extent


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possible, the provisions of this Article IX (including, without limitation, each such portion of any paragraph or clause containing any such provision held to be invalid, illegal or unenforceable) shall be construed so as to give effect to the intent manifested by the provision held invalid, illegal or unenforceable.
9.7      Determination; Claim . If a claim for indemnification or advancement of expenses under this Article IX is not paid in full within 60 days after receipt by the corporation of the written request therefor, the claimant shall be entitled to an adjudication by a court of competent jurisdiction of his or her entitlement to such indemnification or advancement of expenses. The corporation shall indemnify such person against any and all expenses that are incurred by such person in connection with any action for indemnification or advancement of expenses from the corporation under this Article IX, to the extent such person is successful in such action, and to the extent not prohibited by law. In any such suit, the corporation shall, to the fullest extent not prohibited by law, have the burden of proving that the claimant is not entitled to the requested indemnification or advancement of expenses.
9.8      Non-Exclusivity of Rights . The indemnification and advancement of expenses provided by, or granted pursuant to, this Article IX shall not be deemed exclusive of any other rights to which those seeking indemnification or advancement of expenses may be entitled under the certificate of incorporation or any statute, bylaw, agreement, vote of stockholders or disinterested directors or otherwise, both as to action in such person’s official capacity and as to action in another capacity while holding such office. The corporation is specifically authorized to enter into individual contracts with any or all of its directors, officers, employees or agents respecting indemnification and advancement of expenses, to the fullest extent not prohibited by the DGCL or other applicable law.
9.9      Insurance . The corporation may purchase and maintain insurance on behalf of any person who is or was a director, officer, employee or agent of the corporation, or is or was serving at the request of the corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise against any liability asserted against such person and incurred by such person in any such capacity, or arising out of such person’s status as such, whether or not the corporation would have the power to indemnify such person against such liability under the provisions of the DGCL.
9.10      Survival . The rights to indemnification and advancement of expenses conferred by this Article IX shall continue as to a person who has ceased to be a director, officer, employee or agent and shall inure to the benefit of the heirs, executors and administrators of such a person.
9.11      Effect of Repeal or Modification . A right to indemnification or to advancement of expenses arising under a provision of the certificate of incorporation or a bylaw shall not be eliminated or impaired by an amendment to the certificate of incorporation or these bylaws after the occurrence of the act or omission that is the subject of the civil, criminal, administrative or investigative action, suit or proceeding for which indemnification or advancement of expenses is sought, unless the provision in effect at the time of such act or omission explicitly authorizes such elimination or impairment after such action or omission has occurred.


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9.12      Certain Definitions . For purposes of this Article IX, references to the “ corporation ” shall include, in addition to the resulting corporation, any constituent corporation (including any constituent of a constituent) absorbed in a consolidation or merger which, if its separate existence had continued, would have had power and authority to indemnify its directors, officers, employees or agents, so that any person who is or was a director, officer, employee or agent of such constituent corporation, or is or was serving at the request of such constituent corporation as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise, shall stand in the same position under the provisions of this Article IX with respect to the resulting or surviving corporation as such person would have with respect to such constituent corporation if its separate existence had continued. For purposes of this Article IX, references to “ other enterprises ” shall include employee benefit plans; references to “ fines ” shall include any excise taxes assessed on a person with respect to an employee benefit plan; and references to “ serving at the request of the corporation ” shall include any service as a director, officer, employee or agent of the corporation which imposes duties on, or involves services by, such director, officer, employee or agent with respect to an employee benefit plan, its participants or beneficiaries; and a person who acted in good faith and in a manner such person reasonably believed to be in the interest of the participants and beneficiaries of an employee benefit plan shall be deemed to have acted in a manner “ not opposed to the best interests of the corporation ” as referred to in this Article IX.
ARTICLE X
GENERAL MATTERS
10.1      Execution of Corporate Contracts and Instruments . Except as otherwise provided by law, the certificate of incorporation or these bylaws, the board of directors may authorize any officer or officers, or agent or agents, to enter into any contract or execute any document or instrument in the name of and on behalf of the corporation; such authority may be general or confined to specific instances. Unless so authorized or ratified by the board of directors or within the agency power of an officer, no officer, agent or employee shall have any power or authority to bind the corporation by any contract or engagement or to pledge its credit or to render it liable for any purpose or for any amount.
10.2      Fiscal Year . The fiscal year of the corporation shall be fixed by resolution of the board of directors and may be changed by the board of directors.
10.3      Seal . The corporation may adopt a corporate seal, which may be altered by the board of directors. The corporation may use the corporate seal by causing it or a facsimile thereof to be impressed or affixed or in any other manner reproduced.
10.4      Construction; Definitions . Unless the context requires otherwise, the general provisions, rules of construction, and definitions in the DGCL shall govern the construction of these bylaws. Without limiting the generality of this provision, the singular number includes the plural, the plural number includes the singular, and the term “ person ” includes both a corporation and a natural person.


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ARTICLE XI
AMENDMENTS
These bylaws may be adopted, amended or repealed by the stockholders entitled to vote; provided, however , that the affirmative vote of the holders of at least sixty-six and two-thirds percent (66-2/3%) of the total voting power of outstanding voting securities, voting together as a single class, shall be required for the stockholders of the corporation to alter, amend or repeal, or adopt any provision of these bylaws. The board of directors shall also have the power to adopt, amend or repeal bylaws.
A bylaw amendment adopted by stockholders which specifies the votes that shall be necessary for the election of directors shall not be further amended or repealed by the board of directors.


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SLACK TECHNOLOGIES, INC.
CERTIFICATE OF AMENDMENT OF BYLAWS
The undersigned hereby certifies that he is the duly elected, qualified, and acting Secretary of Slack Technologies, Inc., a Delaware corporation and that the foregoing bylaws were amended and restated on ___________, 2019 by the corporation’s board of directors.
IN WITNESS WHEREOF , the undersigned has hereunto set his hand this ___ day of __________, 2019.
 
David Schellhase, Secretary

Exhibit 4.2









SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT
May 9, 2019

















TABLE OF CONTENTS
 
 
 
Page

1.
Registration Rights
2

 
1.1
Definitions
2

 
1.2
Request for Registration
3

 
1.3
Company Registration
5

 
1.4
Form S‑3 Registration
6

 
1.5
Obligations of the Company
7

 
1.6
Information from Holder
9

 
1.7
Expenses of Registration
9

 
1.8
Delay of Registration
9

 
1.9
Indemnification
10

 
1.10
Reports Under the 1934 Act
12

 
1.11
Assignment of Registration Rights
12

 
1.12
Limitations on Subsequent Registration Rights
13

 
1.13
“Market Stand-Off” Agreement
13

 
1.14
Termination of Registration Rights
14

2.
Covenants of the Company
14

 
2.1
Delivery of Financial Statements
14

 
2.2
Inspection
15

 
2.3
Termination of Information and Inspection Covenants
15

 
2.4
Right of First Offer
16

 
2.5
Indemnification Matters
17

 
2.6
D&O Insurance
18

 
2.7
Directors’ Liability and Indemnification
18

 
2.8
Stock Vesting
18

 
2.9
Reservation of Common Stock
18

 
2.10
Proprietary Information and Inventions Agreement
18

 
2.11
Observer Rights
19

 
2.12
Confidentiality
20

 
2.13
Applicable ABAC/Sanctions/Money Laundering Laws.
21

 
2.14
Termination of Certain Covenants
24

3.
Miscellaneous
25

 
3.1
Successors and Assigns
25

 
3.2
Governing Law
25

 
3.3
Counterparts; Facsimile
25

 
3.4
Titles and Subtitles
25

 
3.5
Notices
25

 
3.6
Expenses
25


i


 
3.7
Entire Agreement; Amendments and Waivers
25

 
3.8
Severability
26

 
3.9
Aggregation of Stock
26

 
3.10
Termination of Prior Agreement
26

 
3.11
Publicity
26

 
3.12
Additional Investors
27


ii


AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT
THIS AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT (the “ Agreement ”) is made as of the 9th day of May, 2019, by and among Slack Technologies, Inc., a Delaware corporation (f/k/a Tiny Speck, Inc., referred to herein as the “ Company ”), the investors listed on Schedule A hereto, each of which is herein referred to as an “ Investor ” and collectively as the “ Investors ”.
RECITALS
WHEREAS , certain of the Investors (the “ Existing Investors ”) hold shares of the Company’s Series A Preferred Stock, par value $0.0001 per share (the “ Series A Preferred Stock ”), shares of the Company’s Series B Preferred Stock, par value $0.0001 per share (the “ Series B Preferred Stock ”), shares of the Company’s Series C Preferred Stock, par value $0.0001 per share (the “ Series C Preferred Stock ”), shares of the Company’s Series D Preferred Stock, par value $0.0001 per share (the “ Series D Preferred Stock ”), shares of the Company’s Series E Preferred Stock, par value $0.0001 per share (the “ Series E Preferred Stock ”), shares of the Company’s Series E-1 Preferred Stock, par value $0.0001 per share (the “ Series E-1 Preferred Stock ”), shares of the Company’s Series F Preferred Stock, par value $0.0001 per share (the “ Series F Preferred Stock ”), shares of the Company’s Series F-1 Preferred Stock, par value $0.0001 per share (the “ Series F-1 Preferred Stock ”), shares of the Company’s Series G Preferred Stock, par value $0.0001 per share (the “ Series G Preferred Stock ”), shares of the Company’s Series G-1 Preferred Stock, par value $0.0001 per share (the “ Series G-1 Preferred Stock ”), shares of the Company’s Series G-2 Preferred Stock, par value $0.0001 per share (the “ Series G-2 Preferred Stock ”), shares of the Company’s Series G-3 Preferred Stock, par value $0.0001 per share (the “ Series G-3 Preferred Stock ”), shares of the Company’s Series H Preferred Stock, par value $0.0001 per share (the “ Series H Preferred Stock ”), shares of the Company’s Series H-1 Preferred Stock, par value $0.0001 per share (the “ Series H-1 Preferred Stock ” and collectively with the Series A Preferred Stock, the Series B Preferred Stock, the Series C Preferred Stock, the Series D Preferred Stock, the Series E Preferred Stock, the Series E-1 Preferred Stock, the Series F Preferred Stock, the Series F-1 Preferred Stock, the Series G Preferred Stock, the Series G-1 Preferred Stock, the Series G-2 Preferred Stock, the Series G-3 Preferred Stock and the Series H Preferred Stock, the “ Preferred Stock ”) and/or shares of Common Stock issued upon conversion thereof and possess registration rights, information rights, rights of first offer and other rights pursuant to an Amended and Restated Investors’ Rights Agreement dated as of August 13, 2018 by and among the Company and such Existing Investors, as amended (the “ Prior Agreement ”);
WHEREAS , the Prior Agreement may be amended, and any provision therein waived, with the consent of the Company and the holders of at least sixty percent (60%) of the outstanding Registrable Securities (as such term is defined in the Prior Agreement); and
WHEREAS , the Existing Investors as holders of at least sixty percent (60%) of the outstanding Registrable Securities (as such term is defined in the Prior Agreement) of the Company

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desire to terminate the Prior Agreement and to accept the rights created pursuant hereto in lieu of the rights granted to them under the Prior Agreement.
NOW, THEREFORE , in consideration of the mutual promises and covenants set forth herein, the Existing Investors hereby agree that the Prior Agreement shall be superseded and replaced in its entirety by this Agreement, and the parties hereto further agree as follows:
1.      Registration Rights . The Company covenants and agrees as follows:
1.1      Definitions . For purposes of this Agreement:
(a)      The term “ Act ” means the Securities Act of 1933, as amended.
(b)      The term “ Affiliate ” means, with respect to any specified person, any other person who or which, directly or indirectly, controls, is controlled by, or is under common control with such specified person, including, without limitation, any general partner, managing member, officer, director or manager of such person and any venture capital fund, private equity fund or other investment fund now or hereafter existing that is controlled by one or more general partners or managing members of, or is under common investment management (or shares the same management company, investment advisor or advisory company) with, such person. For the avoidance of doubt, The Social+Capital Partnership Opportunities Fund, L.P. shall be deemed to be an Affiliate of The Social+Capital Partnership II, L.P.
(c)      The term “ Common Stock ” shall mean, collectively, the Class A Common Stock and Class B Common Stock of the Company, each par value $0.0001 per share.
(d)      The term “ Competitor ” shall mean a person or entity engaged, directly or indirectly (including through any partnership, limited liability company, corporation, joint venture or similar arrangement (whether now existing or formed hereafter)) in the business of the Company, but shall not include (i) any financial investment firm or collective investment vehicle solely by virtue of its ownership (and/or its Affiliates’ ownership) of an equity interest in any Competitor held solely for investment purposes, (ii) neither GV 2014, L.P., GV 2017, L.P. nor their affiliated funds (“ GV ”), solely as a result of any affiliation between such fund and Alphabet Inc. (including any Affiliate of Alphabet Inc.) or (iii) any of their respective representatives.
(e)      The term “ Direct Listing ” means the Company’s initial listing of its Class A Common Stock on a national securities exchange by means of a registration statement on Form S-1 filed by the Company with the SEC that registers shares of existing capital stock of the Company for resale. For the avoidance of doubt, a Direct Listing shall not be deemed to be an underwritten offering and shall not involve any underwriting services. Any and all mentions of an underwritten offering or underwriters contained herein shall not apply to a Direct Listing.
(f)      The term “ Form S-3 ” means such form under the Act as in effect on the date hereof or any registration form under the Act subsequently adopted by the SEC that permits inclusion or incorporation of substantial information by reference to other documents filed by the Company with the SEC.

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(g)      The term “ Free Writing Prospectus ” means a free-writing prospectus, as defined in Rule 405.
(h)      The term “ Holder ” means any person owning or having the right to acquire Registrable Securities or any assignee thereof in accordance with Section 1.11 hereof.
(i)      The term “ Initial Offering ” means the Company’s first firm commitment underwritten public offering of its Class A Common Stock under the Act.
(j)      The term “ 1934 Act ” means the Securities Exchange Act of 1934, as amended.
(k)      The terms “ register ,” “ registered ,” and “ registration ” refer to a registration effected by preparing and filing a registration statement or similar document in compliance with the Act, and the declaration or ordering of effectiveness of such registration statement or document.
(l)      The term “ Registrable Securities ” means (i) the Class A Common Stock issuable or issued upon conversion of the Preferred Stock or Class B Common Stock (including the Class B Common Stock issuable or issued upon conversion of the Preferred Stock), and (ii) any Class A Common Stock of the Company issued as (or issuable upon the conversion or exercise of any warrant, right or other security that is issued as) a dividend or other distribution with respect to, or in exchange for, or in replacement of, the shares referenced in (i) above, excluding in all cases, however, any Registrable Securities sold by a person in a transaction in which his rights under this Section 1 are not assigned. In addition, the number of shares of Registrable Securities outstanding shall equal the aggregate of the number of shares of Class A Common Stock outstanding that are, and the number of shares of Common Stock issuable pursuant to then exercisable or convertible securities that are, Registrable Securities.
(m)      The term “ Restated Certificate ” shall mean the Company’s Restated Certificate of Incorporation, as amended and/or restated from time to time.
(n)      The term “ Rule 144 ” shall mean Rule 144 under the Act.
(o)      The term “ Rule 144(b)(1)(i) ” shall mean subsection (b)(1)(i) of Rule 144 under the Act as it applies to persons who have held shares for more than one (1) year.
(p)      The term “ Rule 405 ” shall mean Rule 405 under the Act.
(q)      The term “ SEC ” shall mean the Securities and Exchange Commission.
1.2      Request for Registration .
(a)      Subject to the conditions of this Section 1.2, if the Company shall receive at any time after the earlier of (i) October 28, 2021, or (ii) six (6) months after the effective date of an Initial Offering or Direct Listing (whichever occurs first), a written request from the

3


Holders of twenty-five percent (25%) or more of the Registrable Securities then outstanding (for purposes of this Section 1.2, the “ Initiating Holders ”) that the Company file a registration statement under the Act covering the registration of Registrable Securities with an anticipated aggregate offering price of at least $15,000,000, then the Company shall, within twenty (20) days of the receipt thereof, give written notice of such request to all Holders, and subject to the limitations of this Section 1.2, use all commercially reasonable efforts to effect, as soon as practicable, the registration under the Act of all Registrable Securities that the Holders request to be registered in a written request received by the Company within twenty (20) days of the mailing of the Company’s notice pursuant to this Section 1.2a).
(b)      If the Initiating Holders intend to distribute the Registrable Securities covered by their request by means of an underwriting, they shall so advise the Company as a part of their request made pursuant to this Section 1.2, and the Company shall include such information in the written notice referred to in Section 1.2a). In such event the right of any Holder to include its Registrable Securities in such registration shall be conditioned upon such Holder’s participation in such underwriting and the inclusion of such Holder’s Registrable Securities in the underwriting (unless otherwise mutually agreed by a majority in interest of the Initiating Holders and such Holder) to the extent provided herein. All Holders proposing to distribute their securities through such underwriting shall enter into an underwriting agreement in customary form with the underwriter or underwriters selected for such underwriting by the Company (which underwriter or underwriters shall be reasonably acceptable to those Initiating Holders holding a majority of the Registrable Securities held by all Initiating Holders). Notwithstanding any other provision of this Section 1.2, if the underwriter advises the Company that marketing factors require a limitation on the number of securities underwritten (including Registrable Securities), then the Company shall so advise all Holders of Registrable Securities that would otherwise be underwritten pursuant hereto, and the number of shares that may be included in the underwriting shall be allocated to the Holders of such Registrable Securities pro rata based on the number of Registrable Securities held by all such Holders (including the Initiating Holders). In no event shall any Registrable Securities be excluded from such underwriting unless all other securities are first excluded. Any Registrable Securities excluded or withdrawn from such underwriting shall be withdrawn from the registration.
(c)      Notwithstanding the foregoing, the Company shall not be required to effect a registration pursuant to this Section 1.2:
(i)      in any particular jurisdiction in which the Company would be required to execute a general consent to service of process in effecting such registration, unless the Company is already subject to service in such jurisdiction and except as may be required under the Act; or
(ii)      after the Company has effected two (2) registrations pursuant to this Section 1.2, and such registrations have been declared or ordered effective; or
(iii)      during the period starting with the date sixty (60) days prior to the Company’s good faith estimate of the date of the filing of and ending on a date one hundred eighty (180) days following the effective date of a Company‑initiated registration subject to

4


Section 1.3 below, provided that the Company is actively employing in good faith all commercially reasonable efforts to cause such registration statement to become effective; or
(iv)      if the Initiating Holders propose to dispose of Registrable Securities that may be registered on Form S‑3 pursuant to Section 1.4 hereof; or
(v)      if the Company shall furnish to Holders requesting a registration statement pursuant to this Section 1.2 within thirty (30) days of such request a certificate signed by the Company’s Chief Executive Officer or Chairman of the Board of Directors stating that in the good faith judgment of the Board of Directors of the Company, it would be seriously detrimental to the Company and its stockholders for such registration statement to be effected at such time, in which event the Company shall have the right to defer such filing for a period of not more than ninety (90) days after receipt of the request of the Initiating Holders, provided that such right shall be exercised by the Company not more than once in any twelve (12) month period.
1.3      Company Registration .
(a)      If (but without any obligation to do so) the Company proposes to register (including for this purpose a registration effected by the Company for stockholders other than the Holders) any of its stock or other securities under the Act in connection with the public offering of such securities (other than (i) a Direct Listing, (ii) a registration relating to a demand pursuant to Section 1.2, or (iii) a registration relating solely to the sale of securities of participants in a Company stock plan, a registration relating to a corporate reorganization or transaction under Rule 145 of the Act, a registration on any form that does not include substantially the same information as would be required to be included in a registration statement covering the sale of the Registrable Securities, or a registration in which the only Common Stock being registered is Common Stock issuable upon conversion of debt securities that are also being registered), the Company shall, at such time, promptly give each Holder written notice of such registration. Upon the written request of each Holder given within twenty (20) days after mailing of such notice by the Company in accordance with Section 3.5, the Company shall, subject to the provisions of Section 1.3c), use all commercially reasonable efforts to cause to be registered under the Act all of the Registrable Securities that each such Holder requests to be registered.
(b)      Right to Terminate Registration . The Company shall have the right to terminate or withdraw any registration initiated by it under this Section 1.3 prior to the effectiveness of such registration whether or not any Holder has elected to include securities in such registration. The expenses of such withdrawn registration shall be borne by the Company in accordance with Section 1.7 hereof.
(c)      Underwriting Requirements . In connection with any offering involving an underwriting of shares of the Company’s capital stock, the Company shall not be required under this Section 1.3 to include any of the Holders’ securities in such underwriting unless they accept the terms of the underwriting as agreed upon between the Company and the underwriters selected by the Company (or by other persons entitled to select the underwriters) and enter into an underwriting agreement in customary form with such underwriters, and then only in such quantity as the underwriters determine in their sole discretion will not jeopardize the success of the offering

5


by the Company. If the total amount of securities, including Registrable Securities, requested by stockholders to be included in such offering exceeds the amount of securities sold other than by the Company that the underwriters determine in their sole discretion is compatible with the success of the offering, then the Company shall be required to include in the offering only that number of such securities, including Registrable Securities, that the underwriters determine in their sole discretion will not jeopardize the success of the offering. In no event shall any Registrable Securities be excluded from such offering unless all other stockholders’ securities have been first excluded. In the event that the underwriters determine that less than all of the Registrable Securities requested to be registered can be included in such offering, then the Registrable Securities that are included in such offering shall be apportioned pro rata among the selling Holders based on the number of Registrable Securities held by all selling Holders or in such other proportions as shall mutually be agreed to by all such selling Holders. Notwithstanding the foregoing, in no event shall (i) the amount of securities of the selling Holders included in the offering be reduced below thirty percent (30%) of the total amount of securities included in such offering, unless such offering is the Initial Offering, in which case the selling Holders may be excluded if the underwriters make the determination described above and no other stockholder’s securities are included in such offering. For purposes of the preceding sentence concerning apportionment, for any selling stockholder that is a Holder of Registrable Securities and that is a private equity fund, venture capital fund, investment fund, partnership, corporation or other investment vehicle, the affiliated private equity funds, venture capital funds, investment funds, investment vehicles, partners, retired partners and stockholders of such Holder, or the estates and family members of any such partners and retired partners and any trusts for the benefit of any of the foregoing persons shall be deemed to be a single “selling Holder,” and any pro rata reduction with respect to such “selling Holder” shall be based upon the aggregate amount of Registrable Securities owned by all such related entities and individuals.
1.4      Form S‑3 Registration . In case the Company shall receive from the Holders of at least twenty-five percent (25%) of the Registrable Securities (for purposes of this Section 1.4, the “ S-3 Initiating Holders ”) a written request or requests that the Company effect a registration on Form S‑3 and any related qualification or compliance with respect to all or a part of the Registrable Securities owned by such Holder or Holders, the Company shall:
(a)      promptly give written notice of the proposed registration, and any related qualification or compliance, to all other Holders; and
(b)      use all commercially reasonable efforts to effect, as soon as practicable, such registration and all such qualifications and compliances as may be so requested and as would permit or facilitate the sale and distribution of all or such portion of such Holders’ Registrable Securities as are specified in such request, together with all or such portion of the Registrable Securities of any other Holders joining in such request as are specified in a written request given within fifteen (15) days after receipt of such written notice from the Company, provided , however , that the Company shall not be obligated to effect any such registration, qualification or compliance, pursuant to this Section 1.4:
(i)      if Form S‑3 is not available for such offering by the Holders;

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(ii)      if the Holders, together with the holders of any other securities of the Company entitled to inclusion in such registration, propose to sell Registrable Securities and such other securities (if any) at an aggregate price to the public (net of any underwriters’ discounts or commissions) of less than $5,000,000;
(iii)      if the Company shall furnish to all Holders requesting a registration statement pursuant to this Section 1.4 a certificate signed by the Company’s Chief Executive Officer or Chairman of the Board of Directors stating that in the good faith judgment of the Board of Directors of the Company, it would be seriously detrimental to the Company and its stockholders for such registration statement to be effected at such time, in which event the Company shall have the right to defer such filing for a period of not more than ninety (90) days after receipt of the request of the S-3 Initiating Holders, provided that such right shall be exercised by the Company not more than once in any twelve (12) month period;
(iv)      if the Company has, within the twelve (12) month period preceding the date of such request, already effected two (2) registrations on Form S‑3 pursuant to this Section 1.4; or
(c)      If the S-3 Initiating Holders intend to distribute the Registrable Securities covered by their request by means of an underwriting, they shall so advise the Company as a part of their request made pursuant to this Section 1.4 and the Company shall include such information in the written notice referred to in Section 1.4a). The provisions of Section 1.2b) shall be applicable to such request (with the substitution of Section 1.4 for references to Section 1.2).
(d)      Subject to the foregoing, the Company shall file a registration statement covering the Registrable Securities and other securities so requested to be registered as soon as practicable after receipt of the request or requests of the S-3 Initiating Holders. Registrations effected pursuant to this Section 1.4 shall not be counted as requests for registration effected pursuant to Section 1.2.
1.5      Obligations of the Company . Whenever required under this Section 1 to effect the registration of any Registrable Securities, the Company shall, as expeditiously as reasonably possible:
(a)      prepare and file with the SEC a registration statement with respect to such Registrable Securities and use all commercially reasonable efforts to cause such registration statement to become effective, and, upon the request of the Holders of a majority of the Registrable Securities registered thereunder, keep such registration statement effective for a period of up to one hundred twenty (120) days or, if earlier, until the distribution contemplated in the Registration Statement has been completed;
(b)      prepare and file with the SEC such amendments and supplements to such registration statement and the prospectus used in connection with such registration statement as may be necessary to comply with the provisions of the Act with respect to the disposition of all securities covered by such registration statement;

7


(c)      furnish to the Holders such number of copies of a prospectus, including a preliminary prospectus and any Free Writing Prospectus, in conformity with the requirements of the Act, and such other documents as they may reasonably request in order to facilitate the disposition of Registrable Securities owned by them;
(d)      use all commercially reasonable efforts to register and qualify the securities covered by such registration statement under such other securities or Blue Sky laws of such jurisdictions as shall be reasonably requested by the Holders, provided that the Company shall not be required in connection therewith or as a condition thereto to qualify to do business or to file a general consent to service of process in any such states or jurisdictions;
(e)      in the event of any underwritten public offering, enter into and perform its obligations under an underwriting agreement, in usual and customary form, with the managing underwriter of such offering;
(f)      notify each Holder of Registrable Securities covered by such registration statement at any time when a prospectus or Free Writing Prospectus (to the extent prepared by or on behalf of the Company) relating thereto is required to be delivered under the Act of the happening of any event as a result of which the prospectus included in such registration statement, as then in effect, includes an untrue statement of a material fact or omits to state a material fact required to be stated therein or necessary to make the statements therein not misleading in the light of the circumstances then existing, and, at the request of any such Holder, the Company will, as soon as reasonably practicable, file and furnish to all such Holders a supplement or amendment to such prospectus or Free Writing Prospectus (to the extent prepared by or on behalf of the Company) so that, as thereafter delivered to the purchasers of such Registrable Securities, such prospectus will not contain an untrue statement of a material fact or omit to state any fact necessary to make the statements therein not misleading in light of the circumstances under which they were made;
(g)      cause all such Registrable Securities registered pursuant to this Section 1 to be listed on a national exchange or trading system and on each securities exchange and trading system on which similar securities issued by the Company are then listed; and
(h)      provide a transfer agent and registrar for all Registrable Securities registered pursuant to this Agreement and a CUSIP number for all such Registrable Securities, in each case not later than the effective date of such registration.
Notwithstanding the provisions of this Section 1, the Company shall be entitled to postpone or suspend, for a reasonable period of time, the filing, effectiveness or use of, or trading under, any registration statement if the Company shall determine that any such filing or the sale of any securities pursuant to such registration statement would in the good faith judgment of the Board of Directors of the Company:
(i)      materially impede, delay or interfere with any material pending or proposed financing, acquisition, corporate reorganization or other similar transaction involving the Company for which the Board of Directors of the Company has authorized negotiations;

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(ii)      materially adversely impair the consummation of any pending or proposed material offering or sale of any class of securities by the Company; or
(iii)      require disclosure of material nonpublic information that, if disclosed at such time, would be materially harmful to the interests of the Company and its stockholders; provided , however , that during any such period all executive officers and directors of the Company are also prohibited from selling securities of the Company (or any security of any of the Company’s subsidiaries or affiliates).
In the event of the suspension of effectiveness of any registration statement pursuant to this Section 1.5, the applicable time period during which such registration statement is to remain effective shall be extended by that number of days equal to the number of days the effectiveness of such registration statement was suspended.
1.6      Information from Holder . It shall be a condition precedent to the obligations of the Company to take any action pursuant to this Section 1 with respect to the Registrable Securities of any selling Holder that such Holder shall furnish to the Company such information regarding itself, the Registrable Securities held by it, and the intended method of disposition of such securities as shall be reasonably required to effect the registration of such Holder’s Registrable Securities.
1.7      Expenses of Registration . All expenses other than underwriting discounts and commissions incurred in connection with registrations, filings or qualifications pursuant to Sections 1.2, 1.3 and 1.4, including, without limitation, all registration, filing and qualification fees, printers’ and accounting fees, fees and disbursements of counsel for the Company and the reasonable fees and disbursements of one counsel for the selling Holders (not to exceed $50,000) shall be borne by the Company. Notwithstanding the foregoing, the Company shall not be required to pay for any expenses of any registration proceeding begun pursuant to Section 1.2 or Section 1.4 if the registration request is subsequently withdrawn at the request of the Holders of a majority of the Registrable Securities to be registered (in which case all participating Holders shall bear such expenses pro rata based upon the number of Registrable Securities that were to be included in the withdrawn registration), unless, in the case of a registration requested under Section 1.2, the Holders of a majority of the Registrable Securities agree to forfeit their right to one demand registration pursuant to Section 1.2 and provided , however , that if at the time of such withdrawal, the Holders have learned of a material adverse change in the condition, business or prospects of the Company from that known to the Holders at the time of their request and have withdrawn the request with reasonable promptness following disclosure by the Company of such material adverse change, then the Holders shall not be required to pay any of such expenses and shall retain their rights pursuant to Section 1.2 and 1.4. All expenses incurred by the Company in connection with a Direct Listing, including, without limitation, all registration, filing and qualification fees, printers’ and accounting fees, and fees and disbursements of counsel for the Company shall be borne by the Company.
1.8      Delay of Registration . No Holder shall have any right to obtain or seek an injunction restraining or otherwise delaying any such registration as the result of any controversy that might arise with respect to the interpretation or implementation of this Section 1.

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1.9      Indemnification . In the event any Registrable Securities are included in a registration statement (i) under this Section 1 or (ii) in connection with a Direct Listing:
(a)      To the extent permitted by law, the Company will indemnify and hold harmless each Holder, the partners, members, officers, directors and stockholders of each Holder, legal counsel, accountants and investment advisers for each Holder, any underwriter (as defined in the Act) for such Holder and each person, if any, who controls such Holder or underwriter within the meaning of the Act or the 1934 Act, against any losses, claims, damages or liabilities (joint or several) to which they may become subject under the Act, the 1934 Act, any state securities laws or any rule or regulation promulgated under the Act, insofar as such losses, claims, damages, or liabilities (or actions in respect thereof) arise out of or are based upon any of the following statements, omissions or violations (collectively a “ Violation ”): (i) any untrue statement or alleged untrue statement of a material fact contained in such registration statement, including any preliminary prospectus, final prospectus, or Free Writing Prospectus contained therein or any amendments or supplements thereto, any issuer information (as defined in Rule 433 of the Act) filed or required to be filed pursuant to Rule 433(d) under the Act or any other document incident to such registration prepared by or on behalf of the Company or used or referred to by the Company, (ii) the omission or alleged omission to state in such registration statement a material fact required to be stated therein, or necessary to make the statements therein not misleading or (iii) any violation or alleged violation by the Company of the Act, the 1934 Act, any state securities laws or any rule or regulation promulgated under the Act, the 1934 Act or any state securities laws, and the Company will reimburse each such Holder, underwriter, controlling person or other aforementioned person for any legal or other expenses reasonably incurred by them in connection with investigating or defending any such loss, claim, damage, liability or action as such expenses are incurred; provided , however , that the indemnity agreement contained in this subsection 1.9a) shall not apply to amounts paid in settlement of any such loss, claim, damage, liability or action if such settlement is effected without the consent of the Company (which consent shall not be unreasonably withheld), nor shall the Company be liable in any such case for any such loss, claim, damage, liability or action to the extent that it arises out of or is based upon a Violation that occurs in reliance upon and in conformity with written information furnished expressly for use in connection with such registration by any such Holder, underwriter, controlling person or other aforementioned person.
(b)      To the extent permitted by law, each selling Holder, severally and not jointly, will indemnify and hold harmless the Company, each of its directors, each of its officers who has signed the registration statement, each person, if any, who controls the Company within the meaning of the Act, legal counsel and accountants for the Company, any underwriter, any other Holder selling securities in such registration statement and any controlling person of any such underwriter or other Holder, against any losses, claims, damages or liabilities (joint or several) to which any of the foregoing persons may become subject, under the Act, the 1934 Act, any state securities laws or any rule or regulation promulgated under the Act, the 1934 Act or any state securities laws, insofar as such losses, claims, damages or liabilities (or actions in respect thereto) arise out of or are based upon any Violation, in each case to the extent (and only to the extent) that such Violation occurs in reliance upon and in conformity with written information furnished by such Holder expressly for use in connection with such registration; and each such Holder will reimburse any person intended to be indemnified pursuant to this subsection 1.9b) for any legal or

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other expenses reasonably incurred by such person in connection with investigating or defending any such loss, claim, damage, liability or action as such expenses are incurred; provided , however , that the indemnity agreement contained in this subsection 1.9b) shall not apply to amounts paid in settlement of any such loss, claim, damage, liability or action if such settlement is effected without the consent of the Holder (which consent shall not be unreasonably withheld), and provided that in no event shall any indemnity under this subsection 1.9b), when combined with amounts paid or payable by such Holder pursuant to subsection 1.9(d), exceed the net proceeds from the offering received by such Holder.
(c)      Promptly after receipt by an indemnified party under this Section 1.9 of notice of the commencement of any action (including any governmental action) for which a party may be entitled to indemnification, such indemnified party will, if a claim in respect thereof is to be made against any indemnifying party under this Section 1.9, deliver to the indemnifying party a written notice of the commencement thereof and the indemnifying party shall have the right to participate in and, to the extent the indemnifying party so desires, jointly with any other indemnifying party similarly noticed, to assume the defense thereof with counsel mutually satisfactory to the parties; provided , however , that an indemnified party (together with all other indemnified parties that may be represented without conflict by one counsel) shall have the right to retain one (1) separate counsel, with the fees and expenses to be paid by the indemnifying party, if representation of such indemnified party by the counsel retained by the indemnifying party would be inappropriate due to actual or potential differing interests between such indemnified party and any other party represented by such counsel in such proceeding. The failure to deliver written notice to the indemnifying party within a reasonable time of the commencement of any such action, if prejudicial to its ability to defend such action, shall relieve such indemnifying party of any liability to the indemnified party under this Section 1.9, but the omission to so deliver written notice to the indemnifying party will not relieve it of any liability that it may have to any indemnified party otherwise than under this Section 1.9.
(d)      If the indemnification provided for in this Section 1.9 is held by a court of competent jurisdiction to be unavailable to an indemnified party with respect to any loss, liability, claim, damage or expense referred to herein, then the indemnifying party, in lieu of indemnifying such indemnified party hereunder, shall contribute to the amount paid or payable by such indemnified party as a result of such loss, liability, claim, damage or expense in such proportion as is appropriate to reflect the relative fault of the indemnifying party on the one hand and the indemnified party on the other hand in connection with the statements or omissions that resulted in such loss, liability, claim, damage or expense, as well as any other relevant equitable considerations; provided , however , that (i) no contribution by any Holder, when combined with any amounts paid by such Holder pursuant to Section 1.9b), shall exceed the net proceeds from the offering received by such Holder and (ii) no person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Act) will be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation; and provided further that in no event shall a Holder’s liability pursuant to this Section 1.9d), when combined with the amounts paid or payable by such Holder pursuant to Section 1.9b), exceed the proceeds from the offering received by such Holder (net of any expenses paid by such Holder). The relative fault of the indemnifying party and the indemnified party shall be determined by reference to, among other things, whether the untrue or alleged untrue statement

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of a material fact or the omission or alleged omission to state a material fact relates to information supplied by the indemnifying party or by the indemnified party and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission.
(e)      Notwithstanding the foregoing, to the extent that the provisions on indemnification and contribution contained in the underwriting agreement (if applicable) entered into in connection with an underwritten public offering are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control.
(f)      The obligations of the Company and Holders under this Section 1.9 shall survive the completion of any offering of Registrable Securities in a registration statement under this Section 1 and otherwise.
1.10      Reports Under the 1934 Act . With a view to making available to the Holders the benefits of Rule 144 and any other rule or regulation of the SEC that may at any time permit a Holder to sell securities of the Company to the public without registration or pursuant to a registration on Form S‑3, the Company agrees to:
(a)      make and keep adequate current public information available, as those terms are understood and defined in Rule 144, at all times after the effective date of an Initial Offering or the effective date of a registration statement on Form S-1 in connection with a Direct Listing (whichever occurs first);
(b)      file with the SEC in a timely manner all reports and other documents required of the Company under the Act and the 1934 Act; and
(c)      furnish to any Holder, so long as the Holder owns any Registrable Securities, forthwith upon request (i) a written statement by the Company that it has complied with the reporting requirements of Rule 144 (at any time after ninety (90) days after the effective date of the first registration statement filed by the Company), the Act and the 1934 Act (at any time after it has become subject to such reporting requirements), or that it qualifies as a registrant whose securities may be resold pursuant to Form S‑3 (at any time after it so qualifies), (ii) a copy of the most recent annual or quarterly report of the Company and such other reports and documents so filed by the Company and (iii) such other information as may be reasonably requested to avail any Holder of any rule or regulation of the SEC that permits the selling of any such securities without registration or pursuant to such form.
1.11      Assignment of Registration Rights . The rights to cause the Company to register Registrable Securities pursuant to this Section 1 may be assigned (but only with all related obligations) by a Holder to (a) any subsidiary, parent, partner, retired partner, member, retired member or Affiliate of a Holder that is a corporation, partnership or limited liability company or (b) a transferee or assignee of such securities that after such assignment or transfer, holds at least 3,000,000 shares of Registrable Securities (appropriately adjusted for any stock split, dividend, combination or other recapitalization), provided : (i) the Company is, within a reasonable time after such transfer, furnished with written notice of the name and address of such transferee or assignee and the securities with respect to which such registration rights are being assigned; (ii) such

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transferee or assignee agrees in writing to be bound by and subject to the terms and conditions of this Agreement, including, without limitation, the provisions of Section 1.13 below; and (iii) such assignment shall be effective only if immediately following such transfer the further disposition of such securities by the transferee or assignee is restricted under the Act.
1.12      Limitations on Subsequent Registration Rights . From and after the date of this Agreement, the Company shall not, without the prior written consent of the Holders holding a majority of the Registrable Securities then held by all Holders, enter into any agreement with any holder or prospective holder of any securities of the Company that would allow such holder or prospective holder (a) to include any of such securities in any registration filed under Section 1.2, Section 1.3 or Section 1.4 hereof, unless under the terms of such agreement, such holder or prospective holder may include such securities in any such registration only to the extent that the inclusion of such securities will not reduce the amount of the Registrable Securities of the Holders that are included or (b) to demand registration of their securities.
1.13      “Market Stand-Off” Agreement .
(a)      Each Holder hereby agrees that it will not, without the prior written consent of the managing underwriter, during the period commencing on the date of the final prospectus relating to the Company’s Initial Offering and ending on the date specified by the Company and the managing underwriter (such period not to exceed one hundred eighty (l80) days) (i) lend, offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock or any securities convertible into or exercisable or exchangeable for Common Stock held immediately prior to the effectiveness of the registration statement for such offering, or (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of the Common Stock, whether any such transaction described in clause (i) or (ii) above is to be settled by delivery of Common Stock or other securities, in cash or otherwise. The foregoing provisions of this Section 1.13 shall apply only to the Company’s initial offering of equity securities, shall not apply to the sale of any shares to an underwriter pursuant to an underwriting agreement, and shall only be applicable to the Holders if all officers, directors and greater than one percent (1%) stockholders of the Company enter into similar agreements. The underwriters in connection with the Company’s Initial Offering are intended third‑party beneficiaries of this Section 1.13 and shall have the right, power and authority to enforce the provisions hereof as though they were a party hereto. Each Holder further agrees to execute such agreements as may be reasonably requested by the underwriters in the Company’s Initial Offering that are consistent with this Section 1.13 or that are necessary to give further effect thereto. Any discretionary waiver or termination of the restrictions of any or all of such agreements (including, for avoidance of doubt, any similar lock up or “market stand-off” agreement with an officer, director or greater than one percent (1%) stockholder of the Company) by the Company or the underwriters shall apply to all Holders subject to such agreements pro rata based on the number of shares subject to such agreements. The foregoing provisions of this Section 1.13 shall not apply to a Direct Listing and shall only be applicable to the Company’s initial offering of equity securities if the Company has not already completed a Direct Listing.

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In order to enforce the foregoing covenant, the Company may impose stop‑transfer instructions with respect to the Registrable Securities of each Holder (and the shares or securities of every other person subject to the foregoing restriction) until the end of such period.
(b)      Each Holder agrees that a legend reading substantially as follows shall be placed on all certificates representing all Registrable Securities of each Holder (and the shares or securities of every other person subject to the restriction contained in this Section 1.13):
THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A LOCK-UP PERIOD AFTER THE EFFECTIVE DATE OF THE ISSUER’S REGISTRATION STATEMENT FILED UNDER THE ACT, AS AMENDED, AS SET FORTH IN AN AGREEMENT BETWEEN THE COMPANY AND THE ORIGINAL HOLDER OF THESE SECURITIES, A COPY OF WHICH MAY BE OBTAINED AT THE ISSUER’S PRINCIPAL OFFICE. SUCH LOCK-UP PERIOD IS BINDING ON TRANSFEREES OF THESE SHARES.
1.14      Termination of Registration Rights . No Holder shall be entitled to exercise any right provided for in this Section 1 (a) after five (5) years following the consummation of an Initial Offering or Direct Listing (whichever occurs first), (b) as to any Holder, such earlier time after an Initial Offering or Direct Listing at which such Holder (i) can sell all shares held by it in compliance with Rule 144(b)(1)(i) or (ii) holds one percent (1%) or less of the Company’s outstanding Common Stock and all Registrable Securities held by such Holder (together with any Affiliate of the Holder with whom such Holder must aggregate its sales under Rule 144) can be sold in any three (3) month period without registration in compliance with Rule 144 or (c) after the consummation of a Liquidation Event, as that term is defined in the Restated Certificate.
2.      Covenants of the Company .
2.1      Delivery of Financial Statements . The Company shall, upon request, deliver to each Investor (or transferee of an Investor) that holds (together with their respective Affiliates) at least (x) 3,000,000 shares of Registrable Securities (appropriately adjusted for any stock split, dividend, combination or other recapitalization) or (y) 2,000,000 shares of Series H Preferred Stock and/or Series H-1 Preferred Stock (appropriately adjusted for any stock split, dividend, combination or other recapitalization) (a “ Major Investor ”):
(a)      as soon as practicable, but in any event within one hundred and twenty (120) days after the end of each fiscal year of the Company, an income statement for such fiscal year, a balance sheet of the Company and statement of stockholders’ equity as of the end of such year, and a statement of cash flows for such year, such year‑end financial reports to be in reasonable detail, prepared in accordance with generally accepted accounting principles (“ GAAP ”), and audited and certified by independent public accountants of nationally recognized standing selected by the Company;
(b)      at least thirty (30) days prior to the beginning of each fiscal year an annual budget and operating plans for such fiscal year (and as soon as available, any subsequent written revisions thereto);

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(c)      as soon as practicable after the end of each month, and in any event within twenty (20) days thereafter, a balance sheet of the Company as of the end of each such month, and a statement of income and a statement of cash flows of the Company for such month and for the current fiscal year to date, including a comparison to plan figures for such period, prepared in accordance with GAAP consistently applied, except as noted thereon (except that such financial statements may (i) be subject to normal year-end audit adjustments and (ii) not contain all notes thereto that may be required in accordance with GAAP);
(d)      as soon as practicable, but in any event within forty-five (45) days after the end of each of the first three (3) quarters of each fiscal year of the Company, an unaudited income statement, statement of cash flows for such fiscal quarter and an unaudited balance sheet as of the end of such fiscal quarter, all prepared in accordance with GAAP (except that such financial statements may (i) be subject to normal year-end audit adjustments and (ii) not contain all notes thereto that may be required in accordance with GAAP);
(e)      as soon as practicable, but in any event within forty-five (45) days after the end of each quarter of each fiscal year of the Company, a statement showing the number of shares of each class and series of capital stock and securities convertible into or exercisable for shares of capital stock outstanding at the end of the period, the Common Stock issuable upon conversion or exercise of any outstanding securities convertible or exercisable for Common Stock and the exchange ratio or exercise price applicable thereto, and the number of shares of issued stock options and stock options not yet issued but reserved for issuance, if any, all in sufficient detail as to permit the Major Investors to calculate their respective percentage equity ownership in the Company; and
(f)      such other information relating to the financial condition, business or corporate affairs of the Company as the Major Investor may from time to time request, provided , however , that the Company shall not be obligated under this subsection f or any other subsection of Section 2.1 to provide information that (i) it deems in good faith to be a trade secret or similar confidential information or (ii) the disclosure of which would adversely affect the attorney-client privilege between the Company and its counsel.
2.2      Inspection . The Company shall permit each Major Investor, at such Major Investor’s expense, to visit and inspect the Company’s properties, to examine its books of account and records and to discuss the Company’s affairs, finances and accounts with its officers, all at such reasonable times as may be requested by the Major Investor; provided , however , that the Company shall not be obligated pursuant to this Section 2.2 to provide access to any information that it reasonably considers to be a trade secret or similar confidential information.
2.3      Termination of Information and Inspection Covenants . The covenants set forth in Sections 2.1 and 2.2 shall terminate and be of no further force or effect upon the earlier to occur of (a) the consummation of the sale of securities pursuant to a registration statement filed by the Company under the Act in connection with the firm commitment underwritten offering of its securities to the general public, (b) when the Company first becomes subject to the periodic reporting requirements of Sections 12(g) or 15(d) of the 1934 Act, whichever event shall first occur, or (c) the consummation of a Liquidation Event, as that term is defined in the Restated Certificate, pursuant

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to which the Investors receive only cash and/or securities of a company that is subject to the reporting requirements of the 1934 Act.
2.4      Right of First Offer . Subject to the terms and conditions specified in this Section 2.4, the Company hereby grants to each Major Investor a right of first offer with respect to future sales by the Company of its Shares (as hereinafter defined). For purposes of this Section 2.4, the term “ Major Investor ” includes any general partners and Affiliates of a Major Investor. A Major Investor shall be entitled to apportion the right of first offer hereby granted it among itself and its partners and Affiliates in such proportions as it deems appropriate.
Each time the Company proposes to offer any shares of, or securities convertible into or exchangeable or exercisable for any shares of, its capital stock (“ Shares ”), the Company shall first make an offering of such Shares to each Major Investor in accordance with the following provisions:
(a)      The Company shall deliver a notice in accordance with Section 3.5 (“ Notice ”) to the Major Investors stating (i) its bona fide intention to offer such Shares, (ii) the number of such Shares to be offered and (iii) the price and terms upon which it proposes to offer such Shares.
(b)      By written notification received by the Company within twenty (20) calendar days after the giving of Notice, each Major Investor may elect to purchase, at the price and on the terms specified in the Notice, up to that portion of such Shares that equals the proportion that the number of shares of Common Stock issued and held by such Major Investor (assuming full conversion and exercise of all convertible and exercisable securities then outstanding) bears to the total number of shares of Common Stock of the Company then outstanding (assuming full conversion and exercise of all convertible and exercisable securities then outstanding). The Company shall promptly, in writing, inform each Major Investor that elects to purchase all the shares available to it (a “ Fully-Exercising Investor ”) of any other Major Investor’s failure to do likewise. During the ten (10) day period commencing after such information is given, each Fully‑Exercising Investor may elect to purchase that portion of the Shares for which Major Investors were entitled to subscribe, but which were not subscribed for by the Major Investors, that is equal to the proportion that the number of shares of Common Stock issued and held by such Fully‑Exercising Investor (assuming full conversion and exercise of all convertible and exercisable securities then outstanding) bears to the total number of shares of Common Stock issued and held by all Fully‑Exercising Investors who wish to purchase some of the unsubscribed shares (assuming full conversion and exercise of all convertible and exercisable securities then outstanding).
(c)      If all Shares that Major Investors are entitled to obtain pursuant to subsection 2.4b) are not elected to be obtained as provided in subsection 2.4b) hereof, the Company may, during the ninety (90) day period following the expiration of the period provided in subsection 2.4b) hereof, offer the remaining unsubscribed portion of such Shares to any person or persons at a price not less than that, and upon terms no more favorable to the offeree than those, specified in the Notice. If the Company does not enter into an agreement for the sale of the Shares within such period, or if such agreement is not consummated within sixty (60) days of the execution thereof, the right provided hereunder shall be deemed to be revived and such Shares shall not be offered unless first reoffered to the Major Investors in accordance herewith.

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(d)      The right of first offer in this Section 2.4 shall not be applicable to (i) the issuance or sale of shares of Common Stock (or options therefor) to employees, directors, consultants and other service providers for the primary purpose of soliciting or retaining their services pursuant to plans or agreements approved by the Company’s Board of Directors; (ii) the issuance of securities pursuant to a bona fide, firmly underwritten public offering of shares of Common Stock registered under the Act in which the Preferred Stock is converted to Common Stock, (iii) the issuance of securities pursuant to the conversion or exercise of convertible or exercisable securities (including, without limitation, the conversion of the Class B Common Stock), (iv) the issuance of securities in connection with a bona fide business acquisition of or by the Company, whether by merger, consolidation, sale of assets, sale or exchange of stock or otherwise, which acquisition is approved by the Board of Directors (including a majority of the Preferred Directors, as defined in the Restated Certificate), (v) the issuance and sale of Series H Preferred Stock and Series H-1 Preferred Stock pursuant to the Series H Preferred and Series H-1 Preferred Stock Purchase Agreement, (vi) the issuance of stock, warrants or other securities or rights to persons or entities with which the Company has strategic business relationships, provided such issuance is approved by the Board of Directors (including a majority of the Preferred Directors, as defined in the Restated Certificate) and is primarily for non-equity financing purposes or (vii) the issuance of securities pursuant to any equipment leasing arrangement or debt financing arrangement, which arrangement is approved by the Board of Directors (including a majority of the Preferred Directors, as defined in the Restated Certificate) and is primarily for non-equity financing purposes. In addition to the foregoing, the right of first offer in this Section 2.4 shall not be applicable with respect to any Major Investor in any subsequent offering of Shares if (i) at the time of such offering, the Major Investor is not an “accredited investor,” as that term is then defined in Rule 501(a) of the Act and (ii) such offering of Shares is otherwise being offered only to accredited investors.
(e)      The rights provided in this Section 2.4 may not be assigned or transferred by any Major Investor; provided , however , that a Major Investor that is a venture capital fund may assign or transfer such rights to its Affiliates.
(f)      The covenants set forth in this Section 2.4 shall terminate and be of no further force or effect upon the earlier to occur of the consummation of (i) a Qualified Public Offering, as that term is defined in the Restated Certificate, (ii) a Liquidation Event, as that term is defined in the Restated Certificate, or (iii) a Direct Listing.
2.5      Indemnification Matters . The Company hereby acknowledges that one (1) or more of the directors nominated to serve on the Board of Directors by the Investors (each a “ Fund Director ”) may have certain rights to indemnification, advancement of expenses and/or insurance provided by one or more of the Investors and certain of their affiliates (collectively, the “ Fund Indemnitors ”). The Company hereby agrees (a) that it is the indemnitor of first resort (i.e., its obligations to any such Fund Director are primary and any obligation of the Fund Indemnitors to advance expenses or to provide indemnification for the same expenses or liabilities incurred by such Fund Director are secondary), (b) that it shall be required to advance the full amount of expenses incurred by such Fund Director and shall be liable for the full amount of all expenses, judgments, penalties, fines and amounts paid in settlement by or on behalf of any such Fund Director to the extent legally permitted and as required by the Restated Certificate or Bylaws of the Company (or

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any agreement between the Company and such Fund Director), without regard to any rights such Fund Director may have against the Fund Indemnitors, and, (c) that it irrevocably waives, relinquishes and releases the Fund Indemnitors from any and all claims against the Fund Indemnitors for contribution, subrogation or any other recovery of any kind in respect thereof. The Company further agrees that no advancement or payment by the Fund Indemnitors on behalf of any such Fund Director with respect to any claim for which such Fund Director has sought indemnification from the Company shall affect the foregoing and the Fund Indemnitors shall have a right of contribution and/or be subrogated to the extent of such advancement or payment to all of the rights of recovery of such Fund Director against the Company.
2.6      D&O Insurance . The Company shall use commercially reasonable efforts to maintain directors and officers liability insurance (which shall include any Affiliates of such director or officer) in customary amount and scope reasonably satisfactory to the Board of Directors, including all of the Preferred Directors (as defined in the Restated Certificate). Such insurance shall be maintained for so long as Accel X L.P. and/or Andreessen Horowitz Fund I, L.P. and/or The Social+Capital Partnership II, L.P. has the right to designate at least one member of the Company’s Board of Directors.
2.7      Directors’ Liability and Indemnification . The Company’s Certificate of Incorporation and Bylaws shall provide (a) for elimination of the liability of directors to the maximum extent permitted by law and (b) for indemnification of directors for acts on behalf of the Company to the maximum extent permitted by law. In addition, the Company shall enter into and use its best efforts to at all times maintain indemnification agreements with each of its directors to indemnify such directors to the maximum extent permissible under applicable law.
2.8      Stock Vesting . Unless otherwise approved by the Company’s Board of Directors, all stock options and other stock equivalents issued after the date of this Agreement to employees, directors, consultants and other service providers shall be subject to vesting as follows: (a) twenty-five percent (25%) of such stock shall vest at the end of the first year following the earlier of the date of issuance or such person’s services commencement date with the Company, and (b) seventy-five percent (75%) of such stock shall vest in equal installments over the remaining three (3) years. No person shall be entitled to acceleration of vesting of such options unless otherwise approved by the Company’s Board of Directors.
2.9      Reservation of Common Stock . The Company will at all times reserve and keep available, solely for issuance and delivery upon the conversion of the Preferred Stock, all Common Stock issuable from time to time upon such conversion.
2.10      Proprietary Information and Inventions Agreement . The Company shall require all employees and consultants to execute and deliver a Proprietary Information and Inventions Agreement substantially in a form approved by the Company’s counsel or Board of Directors.

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2.11      Observer Rights .
(a)      As long as KPCB Holdings, Inc., as nominee (“ KPCB ”) owns not less than fifty percent (50%) of the shares of the Series D Preferred Stock it holds as of the date of this Agreement (or an equivalent amount of Common Stock issued upon conversion thereof), the Company shall invite a representative of KPCB (the “ KPCB Observer ”) to attend all meetings of its Board of Directors in a nonvoting observer capacity and, in this respect, shall give such KPCB Observer copies of all notices, minutes, consents, and other materials that it provides to its directors; provided , however , that such KPCB Observer shall agree to hold in confidence and trust and to act in a fiduciary manner with respect to all information so provided; and provided further , that the Company reserves the right to withhold any information and to exclude such KPCB Observer from any meeting or portion thereof if access to such information or attendance at such meeting could adversely affect the attorney-client privilege between the Company and its counsel or result in disclosure of trade secrets or a conflict of interest, or if such Investor or the KPCB Observer is a Competitor of the Company. The KPCB Observer shall initially be John Doerr.
(b)      As long as GV owns not less than fifty percent (50%) of the shares of the Series D Preferred Stock it holds as of the date of this Agreement (or an equivalent amount of Common Stock issued upon conversion thereof), the Company shall invite a representative of GV (the “ GV Observer ”) to attend all meetings of its Board of Directors in a nonvoting observer capacity and, in this respect, shall give such GV Observer copies of all notices, minutes, consents, and other materials that it provides to its directors; provided , however , that such GV Observer shall agree to hold in confidence and trust and to act in a fiduciary manner with respect to all information so provided; and provided further , that the Company reserves the right to withhold any information and to exclude such GV Observer from any meeting or portion thereof if access to such information or attendance at such meeting could adversely affect the attorney-client privilege between the Company and its counsel or result in disclosure of trade secrets or a conflict of interest, or if such Investor or the GV Observer is a Competitor of the Company. The GV Observer shall initially be MG Siegler.
(c)      The holders of a majority of the outstanding shares of Series E Preferred Stock shall be entitled to designate a representative (the “ Series E Observer ”) to attend all meetings of the Company’s Board of Directors in a nonvoting observer capacity and, in this respect, shall give such Series E Observer copies of all notices, minutes, consents, and other materials that it provides to its directors; provided , however , that such Series E Observer shall agree to hold in confidence and trust and to act in a fiduciary manner with respect to all information so provided (except that such Series E Observer may share such information with the holders of outstanding shares of Series E Preferred Stock, provided that such holders agree to hold such information in confidence and trust); and provided further , that the Company reserves the right to withhold any information and to exclude such Series E Observer from any meeting or portion thereof if access to such information or attendance at such meeting could adversely affect the attorney-client privilege between the Company and its counsel or result in disclosure of trade secrets or a conflict of interest, or if such Series E Observer is, or is an Affiliate of, a Competitor of the Company. The Series E Observer shall initially be Ilya Fushman.

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(d)      As long as Thrive Capital Partners IV, L.P. (“ Thrive Capital ”) owns not less than fifty percent (50%) of the shares of the Series F Preferred Stock it holds as of the date of this Agreement (or an equivalent amount of Common Stock issued upon conversion thereof), the Company shall invite a representative of Thrive Capital (the “ Thrive Capital Observer ”) to attend all meetings of its Board of Directors in a nonvoting observer capacity and, in this respect, shall give such Thrive Capital Observer copies of all notices, minutes, consents, and other materials that it provides to its directors; provided , however , that such Thrive Capital Observer shall agree to hold in confidence and trust and to act in a fiduciary manner with respect to all information so provided; and provided further , that the Company reserves the right to withhold any information and to exclude such Thrive Capital Observer from any meeting or portion thereof if access to such information or attendance at such meeting could adversely affect the attorney-client privilege between the Company and its counsel or result in disclosure of trade secrets or a conflict of interest, or if such Investor or the Thrive Capital Observer is a Competitor of the Company. The Thrive Capital Observer shall initially be Joshua Kushner.
(e)      As long as SoftBank Vision Fund (AIV MI) L.P. or an Affiliate thereof (collectively, “ SoftBank ”) owns not less than fifty percent (50%) of the shares of the Series G Preferred Stock it holds as of the date of this Agreement (or an equivalent amount of Common Stock issued upon conversion thereof), the Company shall invite a representative of SoftBank (the “ SoftBank Observer ”) to attend all meetings of its Board of Directors in a nonvoting observer capacity and, in this respect, shall give such SoftBank Observer copies of all notices, minutes, consents, and other materials that it provides to its directors; provided , however , that such SoftBank Observer shall agree to hold in confidence and trust and to act in a fiduciary manner with respect to all information so provided; and provided further , that the Company reserves the right to withhold any information and to exclude such SoftBank Observer from any meeting or portion thereof if access to such information or attendance at such meeting could adversely affect the attorney-client privilege between the Company and its counsel or result in disclosure of trade secrets or a conflict of interest, or if such Investor or the SoftBank Observer is a Competitor of the Company. The SoftBank Observer shall initially be Deep Nishar.
2.12      Confidentiality . Each Investor agrees, severally and not jointly, to use the same degree of care, but no less than a reasonable degree of care, as such Investor uses to protect its own confidential information for any information obtained pursuant to this Agreement or otherwise as a stockholder of the Company prior to the Company’s initial public offering which the Company identifies in writing as being proprietary or confidential and such Investor acknowledges that it will not, unless otherwise required by law or the rules of any national securities exchange, association or marketplace, disclose such information without the prior written consent of the Company except such information that (a) was in the public domain prior to the time it was furnished to such Investor, (b) is or becomes (through no willful improper action or inaction by such Investor) generally available to the public, (c) was in its possession or known by such Investor without restriction prior to receipt from the Company, (d) was rightfully disclosed to such Investor by a third party without restriction or (e) was independently developed without any use of the Company’s confidential information. Notwithstanding the foregoing, each Investor that is a limited partnership, limited liability company or other investment fund may disclose such proprietary or confidential information to any former partners or members who retained an economic interest in such Investor,

20


current or prospective partner of the partnership or any subsequent partnership under common investment management, limited partner, general partner, member, management company or investment adviser of such Investor (or any employee or representative of any of the foregoing) (each of the foregoing Persons, a “ Permitted Disclosee ”) or legal counsel, accountants or representatives for such Investor; provided , however , that each Investor agrees that it may only share the financial information provided by the Company pursuant to Section 3.1 hereof with any such Permitted Disclosee(s). Furthermore, the Company acknowledges that certain of the Investors are in the business of venture capital investing, and nothing contained herein shall prevent any Investor or any Permitted Disclosee from (i) entering into any business, entering into any agreement with a third party, or investing in or engaging in investment discussions with or continuing to hold any securities of any other company (whether or not competitive with the Company), provided that such Investor or Permitted Disclosee does not, except as permitted in accordance with this Section 2.12, disclose or otherwise make use of any proprietary or confidential information of the Company in connection with such activities, or (ii) making any disclosures, filings or submissions required by law, rule, regulation or court or other governmental order.
2.13      Applicable ABAC/Sanctions/Money Laundering Laws .
(a)      For the purposes of this Section 2.13 of this Agreement:
(i)      Applicable ABAC Laws ” means all laws and regulations applying to the Company, any of its Subsidiaries, an Associated Person of either the Company or any of its Subsidiaries and/or SoftBank prohibiting bribery and other related forms of corruption, including fraud, tax evasion, insider dealing and market manipulation.
(ii)      Applicable Money Laundering Laws ” means all laws and regulations applying to the Company, any of its Subsidiaries, an Associated Person of either the Company or any of its Subsidiaries and/or SoftBank prohibiting money laundering and any acts or attempted acts to conceal or disguise the identity of illegally obtained proceeds or property.
(iii)      Associated Person ” means, in relation to a company, an individual or entity (including a director, officer, employee, consultant, agent or other representative) acting or purporting to act for or on behalf of that company or having the right to perform or performing or purporting to perform services for or on behalf of that company.
(iv)      BIS ” means the Bureau of Industry and Security of the US Department of Commerce.
(v)      EU ” means the European Union.
(vi)      Government Official ” means (A) an officer or employee of any national, regional, local or other component of government; (B) a director, officer or employee of any entity in which a government or any component of a government possesses a majority or controlling interest; (C) a candidate for public office; (D) a political party or political party official; (E) an officer or employee of a public international organization ( e.g. , the European Commission or World Bank); and (F) any individual who is acting in an official capacity for any government,

21


component of a government, political party or public international organization, even if such individual is acting in that capacity temporarily and without compensation.
(vii)      OFAC ” means the Office of Foreign Assets Control of the US Department of the Treasury.
(viii)      Sanctioned Country ” means Cuba, Iran, North Korea, Sudan, Syria, and the Crimea region of Ukraine, and the government (including any branch, agency, or instrumentality of such government) or Government Officials of any such jurisdiction.
(ix)      Sanctions ” refers to the following economic or financial sanctions, trade embargoes, and export controls:
(1)      United Nations sanctions imposed pursuant to a United Nations Security Council Resolution;
(2)      US sanctions administered by OFAC, US Department of State, US Department of Commerce, or any other US Government authority or department; export controls administered by the US Department of Commerce, US Department of State, Nuclear Regulatory Commission, or US Department of Energy;
(3)      EU restrictive measures implemented pursuant to an EU Council or Commission Regulation or Decision adopted pursuant to a Common Position in furtherance of the EU’s Common Foreign and Security Policy;
(4)      UK sanctions adopted by the Terrorist-Asset Freezing etc Act 2010 or other legislation and statutory instruments enacted pursuant to the United Nations Act 1946 or European Communities Act 1972 or enacted by or pursuant to other laws; and
(5)      any other trade, economic or financial sanction laws, regulations, embargoes, export controls, or restrictive measures administered, enacted or enforced by any authority, government, or official institution as applicable to the Company, any of its Subsidiaries, or any Associated Person of either the Company or any of its Subsidiaries or to SoftBank or any transaction in which the Company, any of its Subsidiaries, or an Associated Person of either the Company or any of its Subsidiaries is engaged.
(x)      Sanctions List ” refers to the “Specially Designated Nationals and Blocked Persons” list, including the EO 13599 list, Foreign Sanctions Evaders list, and, and the “Sectoral Sanctions Identifications List” maintained by OFAC, the Entity list and the Denied Persons list maintained by BIS, the “Consolidated List of Persons, Groups and Entities Subject to EU Financial Sanctions” maintained by the European Union, the lists of persons set out under Annexes III, V, and VI to Council Regulation (EU) 833/2014 as amended, the “Consolidated List of Financial Sanctions Targets” maintained by Her Majesty’s Treasury, or any similar list maintained by the United States of America, European Union, United Kingdom or United Nations, each as amended, supplemented or substituted from time to time.

22


(xi)      Sanctioned Person ” refers to any individual who or entity that is:
(1)      specifically listed on any Sanctions List; or
(2)      controlled or owned by any individual or entity referred to in any Sanctions List, or government or Government Official of any Sanctioned Country.
(xii)      Subsidiary means, in relation to the Company, any current or future direct or indirect majority owned or controlled subsidiary of the Company, any holding company of the Company and any other direct or indirect majority owned or controlled subsidiary of that holding company including, but not limited to, Slack Japan KK, Slack Fund Investments, Slack Canada Ltd., Slack Technologies Limited, Slack Fund LLC, Slack Australia Pty Limited, Slack Singapore PTE LTD, Screenhero LLC and Slack UK Limited.
(xiii)      UK ” shall mean the United Kingdom.
(xiv)      US ” shall mean the United States of America.
(b)      The Company covenants and agrees:
(i)      Neither the Company, any of its Subsidiaries, nor any Associated Person of either the Company or any of its Subsidiaries shall, directly or indirectly, offer, promise, give or authorize any payment or anything else of value to a Government Official or individual employed by another entity in the private sector in violation of Applicable ABAC Laws or engage in any other conduct that would result in a violation of any of the Applicable ABAC Laws or Applicable Money Laundering Laws or a material violation of Sanctions after the effective date of this Agreement.
(ii)      Neither the Company, any of its Subsidiaries, nor any Associated Person of either the Company or any of its Subsidiaries shall use any funds received from SoftBank directly or indirectly (A) for the benefit of activities or parties subject to and in violation of Sanctions, (B) in material violation of Sanctions, (C) for any Sanctioned Person or for the benefit of any Sanctioned Person or (D) in any way that would violate the Applicable Money Laundering Laws after the effective date of this Agreement.
(iii)      The Company and its Subsidiaries shall maintain policies and procedures reasonably designed to prevent the Company, its Subsidiaries, and any Associated Person of either the Company or any of its Subsidiaries from engaging in any activity, practice or conduct that would violate any Applicable ABAC Laws, Applicable Money Laundering Laws or Sanctions. The Company and its Subsidiaries shall take all reasonable steps to complete such implementation as soon as possible. Such policies and procedures shall be consistent with applicable guidance that has been provided by government authorities.
(iv)      The Company and its Subsidiaries shall keep and maintain books and records reflecting accurately and in reasonable detail transactions involving the Company

23


and its Subsidiaries and, if they have not already done so, implement financial controls designed to give reasonable assurance that payments will be made by or on behalf of any of the Company and its Subsidiaries only in accordance with management instructions.
(v)      Upon receipt of a written request by SoftBank made no more frequently than on a quarterly basis, the Company shall confirm in writing that the Company and its Subsidiaries have complied with the undertakings set forth in this Section 2.13, including whether the Company or any of its Subsidiaries has received a written enquiry from any government authority regarding a possible violation by either the Company, any of its Subsidiaries or any Associated Person of either the Company or any of its Subsidiaries of any of the Applicable ABAC Laws, Applicable Money Laundering Laws and/or Sanctions.
(vi)      Notwithstanding anything else in this Agreement, the Company, its Subsidiaries, and any Associated Person of either the Company or any of its Subsidiaries shall cooperate in good faith with SoftBank, if SoftBank decides to seek to determine whether the Company, its Subsidiaries, and/or any Associated Person of either the Company or any of its Subsidiaries have complied with the undertakings set forth in this Section 2.13. If so requested by SoftBank, the Company and its Subsidiaries shall in good faith answer any reasonable questions put to them by SoftBank as well as by its authorized representative(s) pertaining to compliance with the undertakings set forth in this Section 2.13 and shall encourage their Associated Persons to do the same, provided that the Company will not be compelled to waive privilege under any circumstance.
(vii)      The Company, its Subsidiaries, and/or any Associated Person of either the Company or any of its Subsidiaries shall not violate any of the Applicable ABAC Laws, Applicable Money Laundering Laws or Sanctions and the Company shall indemnify and hold harmless SoftBank from and against any and all liabilities, damages, costs and expenses (including reasonable legal expenses) caused by or attributable to any violation of Applicable ABAC Laws, Applicable Money Laundering Laws or Sanctions by (i) the Company or any of its Subsidiaries or (ii) any Associated Person of either the Company or any of its Subsidiaries.
2.14      Termination of Certain Covenants . The covenants set forth in Sections 2.8, 2.9, 2.10 and 2.11, shall terminate and be of no further force or effect upon the consummation of (a) a Qualified Public Offering, as that term is defined in the Restated Certificate, (b) a Liquidation Event, as that term is defined in the Restated Certificate, or (c) a Direct Listing. The covenants set forth in Section 2.13 shall terminate and be of no further force or effect (i) upon the consummation of a Qualified Public Offering, a Liquidation Event or Direct Listing if SoftBank fails to hold at least five percent (5%) of the then outstanding voting equity of the Company immediately following the consummation of such Qualified Public Offering, Liquidation Event or Direct Listing, as applicable (the “Minimum Ownership Threshold”) or (ii) if SoftBank holds the Minimum Ownership Threshold immediately following the consummation of a Qualified Public Offering, Liquidation Event or Direct Listing, immediately at such time thereafter as SoftBank fails to hold the Minimum Ownership Threshold.

24


3.      Miscellaneous .
3.1      Successors and Assigns . Except as otherwise provided herein, the terms and conditions of this Agreement shall inure to the benefit of and be binding upon the respective successors and assigns of the parties (including transferees of any shares of Registrable Securities). Nothing in this Agreement, express or implied, is intended to confer upon any party other than the parties hereto or their respective successors and assigns any rights, remedies, obligations or liabilities under or by reason of this Agreement, except as expressly provided in this Agreement.
3.2      Governing Law . This Agreement shall be governed by and construed under the laws of the State of Delaware as applied to agreements among Delaware residents entered into and to be performed entirely within Delaware.
3.3      Counterparts; Facsimile . This Agreement may be executed and delivered by facsimile or electronic signature and in two (2) or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one (1) and the same instrument.
3.4      Titles and Subtitles . The titles and subtitles used in this Agreement are used for convenience only and are not to be considered in construing or interpreting this Agreement.
3.5      Notices . All notices and other communications given or made pursuant hereto shall be in writing and shall be deemed effectively given upon the earlier to occur of actual receipt or: (a) upon personal delivery to the party to be notified, (b) when sent by confirmed electronic mail or facsimile if sent during normal business hours of the recipient; if not, then on the next business day, (c) for Investors located in the United States, five (5) days after having been sent by registered or certified mail, return receipt requested, postage prepaid, or (d) one (1) day after deposit with a nationally recognized overnight courier, specifying next day delivery, with written verification of receipt. All communications shall be sent to the respective parties at the addresses set forth on the schedules attached hereto (or at such other addresses as shall be specified by notice given in accordance with this Section 3.5).
3.6      Expenses . If any action at law or in equity is necessary to enforce or interpret the terms of this Agreement, the prevailing party shall be entitled to reasonable attorneys’ fees, costs and necessary disbursements in addition to any other relief to which such party may be entitled.
3.7      Entire Agreement; Amendments and Waivers . This Agreement (including the Exhibits hereto, if any) constitutes the full and entire understanding and agreement among the parties with regard to the subjects hereof and thereof. This Agreement and any term hereof may be terminated or amended and the observance of any term hereof may be waived (either generally or in a particular instance and either retroactively or prospectively) (other than Section 2.1, Section 2.2, Section 2.3, Section 2.4 and Section 2.11) only with the written consent of the Company and the Investors holding at least sixty percent (60%) of the Registrable Securities. The provisions of Section 2.1, Section 2.2, Section 2.3 and Section 2.4 may be amended or waived (either generally or in a particular instance and either retroactively or prospectively) only with the written consent of the Company and the Major Investors holding a majority of the Registrable Securities that are held by all of the Major Investors; provided , however , that if the right of first offer in Section 2.4

25


is waived with respect to a particular issuance pursuant by the Major Investors holding a majority of the Registrable Securities that are held by all of the Major Investors, and any such waiving Major Investor purchases securities in such issuance, then each other Major Investor shall have the opportunity to purchase an aggregate amount of securities in such issuance at least equal, as a percentage of their respective pro rata amount (as determined pursuant to Section 2.4b)) of such issuance, to the percentage of such purchasing Major Investor’s pro rata amount (as determined pursuant to Section 2.4b)) of such issuance purchased by such purchasing Major Investor in such issuance. The provisions of Section 2.11a) may be amended or waived (either generally or in a particular instance and either retroactively or prospectively) only with the written consent of the Company and KPCB. The provisions of Section 2.11b) may be amended or waived (either generally or in a particular instance and either retroactively or prospectively) only with the written consent of the Company and GV. The provisions of Section 2.11c) may be amended or waived (either generally or in a particular instance and either retroactively or prospectively) only with the written consent of the Company and the holders of a majority of the outstanding shares of Series E Preferred Stock. The provisions of Section 2.11d) may be amended or waived (either generally or in a particular instance and either retroactively or prospectively) only with the written consent of the Company and Thrive Capital. The provisions of Section 2.11e) and Section 2.13 may be amended or waived (either generally or in a particular instance and either retroactively or prospectively) only with the written consent of the Company and SoftBank. Any amendment or waiver effected in accordance with this paragraph shall be binding upon each holder of any Registrable Securities, each future holder of all such Registrable Securities and the Company.
3.8      Severability . Whenever possible, each provision of this Agreement shall be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Agreement shall be held to be prohibited by or invalid under applicable law, such provision shall be ineffective only to the extent of such prohibition or invalidity, without invalidating the remainder of such provision or the remaining provisions of this Agreement.
3.9      Aggregation of Stock . All shares of Registrable Securities held or acquired by Affiliates shall be aggregated together for the purpose of determining the availability of any rights under this Agreement.
3.10      Termination of Prior Agreement . Upon the effectiveness of this Agreement, the Prior Agreement shall terminate and be of no further force and effect, and shall be superseded and replaced in its entirety by this Agreement.
3.11      Publicity . Neither the Company, its subsidiaries nor any of their respective representatives shall (i) use the name of The Social+Capital Partnership II, L.P., GV, KPCB, Institutional Venture Partners XIV, L.P., Star Blaze Investments Limited, DST Global IV, L.P., Index Ventures, Comcast Ventures, LP, TrueBridge Direct Fund, L.P., Thrive Capital, GFC Global Founders Capital GmbH, Rocket Internet Capital Partners SCS, Rocket Internet Capital Partners (Euro) SCS, SoftBank, String DF Holdings, LP or General Atlantic (SL), L.P. (each, a “ Significant Investor ”) or the name(s) of any of their respective Affiliates in the context of such Significant Investor’s investment in the Company in any manner or format (including reference on or links to websites, press releases, etc.) without the prior approval of the applicable Significant Investor or

26


(ii) issue any statement or communication to any third party (other than to their legal, accounting and financial advisors) regarding any Significant Investor’s investment in the Company without the consent of such Significant Investor. Notwithstanding the foregoing, the Company may, without the prior approval of a Significant Investor, (i) if such Significant Investor’s investment in the Company has been publicly disclosed by or with the prior consent of such Significant Investor, from then forward confirm and/or disclose in public and non-public communications that such Significant Investor has invested in the Company, without disclosing the terms or amount of such investment, or (ii) disclose the terms and/or amount of such Significant Investor’s investment (1) to a bona fide potential investor in the Company in connection with such potential investor’s due diligence process or (2) as required by law, rule, regulation or listing standard to do so; provided that in the case of subsection (2), the Company (x) shall promptly notify the applicable Significant Investor of such requirement and will cooperate with such Significant Investor to the extent practicable to limit the information disclosed to only such information that the Company, as advised by counsel, is required by law to be disclosed and (y) will, to the extent practicable and at the request and expense of such Significant Investor, seek to obtain a protective order over, or confidential treatment of, such information.
3.12      Additional Investors . Notwithstanding Section 3.7, no consent shall be necessary to add additional Investors as signatories to this Agreement by execution and delivery of a joinder reasonably acceptable to the Company.


27


IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
/s/ Daniel Stewart Butterfield
Name: Daniel Stewart Butterfield
Title:          President and CEO


SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
SOFTBANK VISION FUND (AIV M1) L.P.
 
 
 
 
By:
/s/ Ruwan Weerasekera
Name: Ruwan Weerasekera
Title:   Director, for and on behalf of SB Investment
Advisers (UK) Limited acting as manager of
SoftBank Vision Fund (AIV M1) L.P.

SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
 
ACCEL GROWTH FUND IV L.P.
By: Accel Growth Fund IV Associates L.L.C.
Its General Partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney-in-Fact
 
ACCEL GROWTH FUND IV STRATEGIC
PARTNERS L.P.
By: Accel Growth Fund IV Associates L.L.C.
Its General Partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney-in-Fact
 
ACCEL GROWTH FUND INVESTORS 2016
L.L.C.
 
 
By:
/s/ Tracy L. Sedlock
Attorney-in-Fact

SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
 
ACCEL LEADERS FUND L.P.
By: Accel Leaders Fund Associates L.L.C..
Its General Partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney-in-Fact
 
 
ACCEL LEADERS FUND INVESTORS 2016
L.L.C.
 
 
By:
/s/ Tracy L. Sedlock
Attorney-in-Fact


SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
ACCEL X L.P.
By: Accel X Associates L.L.C.
Its General Partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney in Fact
 
ACCEL X STRATEGIC PARTNERS L.P.
By: Accel X Associates L.L.C.
Its General Partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney in Fact
 
ACCEL INVESTORS 2009 L.L.C.
 
 
By:
/s/ Tracy L. Sedlock
Attorney in Fact

SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
ACCEL XI L.P.
By: Accel XI Associates L.L.C.
Its General Partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney in Fact
 
ACCEL XI STRATEGIC PARTNERS L.P.
By: Accel XI Associates L.L.C.
Its General Partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney in Fact
 
ACCEL INVESTORS 2013 L.L.C.
 
 
By:
/s/ Tracy L. Sedlock
Attorney in Fact


SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
ACCEL GROWTH FUND III L.P.
By: Accel Growth Fund III Associates L.L.C., its general partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney-in-Fact
 
ACCEL GROWTH FUND III STRATEGIC
PARTNERS L.P.
By: Accel Growth Fund III Associates L.L.C., its general partner
 
 
By:
/s/ Tracy L. Sedlock
Attorney-in-Fact
 
ACCEL GROWTH FUND INVESTORS 2014 L.L.C.
 
 
By:
/s/ Tracy L. Sedlock
Attorney-in-Fact


SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
ANDREESSEN HOROWITZ FUND I, L.P.
as nominee for
Andreessen Horowitz Fund I, L.P.
Andreessen Horowitz Fund I-A, L.P. and
Andreessen Horowitz Fund I-B, L.P.
 
By:
AH Equity Partners I, L.L.C.
Its general partner
Its general partner
 
 
By:
/s/ Ben Horowitz
Name: Ben Horowitz
Title: Managing Member
 
AH PARALLEL FUND IV, L.P.
for itself and as nominee for
AH PARALLEL FUND IV-A, L.P.,
AH PARALLEL FUND IV-B, L.P. and
AH PARALLEL FUND IV-Q, L.P.
 
By:
AH Equity Partners IV (Parallel), L.L.C.
Its general partner
Its general partner
 
 
By:
/s/ Ben Horowitz
Name: Ben Horowitz
Title: Managing Member


SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
A16Z SEED-III, LLC
 
 
By:
/s/ Ben Horowitz
Name: Ben Horowitz
Title: Managing Member

SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
THE SOCIAL+CAPITAL PARTNERSHIP II, L.P.,
for itself and as nominee for certain other individuals and entities
 
By: The Social+Capital Partnership GP II, L.P.,
Its general partner
 
By: The Social+Capital Partnership GP II, Ltd.,
its general partner
 
 
By:
/s/ Chamath Palihapitiya
Name:
Chamath Palihapitiya
Title:
Director
 
 
THE SOCIAL+CAPITAL PARTNERSHIP III, L.P.,
for itself and as nominee for The Social+Capital Partnership Principals Fund III, L.P.
 
By: The Social+Capital Partnership GP III, L.P.,
Its general partner
 
By: The Social+Capital Partnership GP III, Ltd.,
its general partner
 
 
By:
/s/ Chamath Palihapitiya
Name:
Chamath Palihapitiya
Title:
Director

SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.
INVESTOR:
 
THE SOCIAL+CAPITAL PARTNERSHIP OPPORTUNITIES FUND, L.P.
 
By: The Social+Capital Partnership Opportunities Fund GP, L.P.
Its:
General Partner
 
 
By:
Social+Capital Partnership Opportunities Fund GP, Ltd.
Its:
General Partner
 
 
By:
/s/ Chamath Palihapitiya
Name:
Chamath Palihapitiya
Title:
Director


SIGNATURE PAGE TO SLACK TECHNOLOGIES, INC.
AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT



SCHEDULE A
SCHEDULE OF INVESTORS
Name
KPCB Holdings, Inc., as nominee
 
GV 2014, L.P.
 
GV 2017, L.P.
 
Slow Ventures III, LLC
 
IGSB IVP III, LLC
 
IGSB Internal Venture Fund III, LLC
 
Jaguarundi Partners, LLC
 
Math + Magic, LLC
 
AFVC2
 
Liberty Trust Company LTD, custodian for the David O Sacks Roth IRA
 
First Republic Bank, trustee for the Sacks Family 2012 GST Trust
 
Archangel 1 LLC, David Sacks - Manager
 
The Social+Capital Partnership Opportunities Fund, L.P.
 
The Social+Capital Partnership II, L.P., for itself and as nominee for certain other individuals and entities
 
The Social+Capital Partnership III, L.P., for itself and as nominee for The Social+Capital Partnership Principals Fund III, L.P.
 
Accel X L.P.
 
Accel X Strategic
Partners L.P.
 
Accel Investors
2009 L.L.C.
 
Accel XI L.P.
 
Accel XI Strategic
Partners L.P.
 



Accel Investors
2013 L.L.C.
 
Accel Growth Fund III L.P.
 
Accel Growth Fund III Strategic Partners L.P.
 
Accel Growth Fund Investors 2014 L.L.C.
 
Accel Growth Fund IV L.P.
 
Accel Growth Fund IV Strategic Partners L.P.
 
Accel Growth Fund Investors 2016 L.L.C.
 
Accel Leaders Fund L.P.
 
Accel Leaders Fund Investors 2016 L.L.C.
 
Andreessen Horowitz
Fund I, L.P.
 
AH Parallel Fund IV, L.P.
 
a16z Seed-III, LLC
 
Jeffrey Weiner
 
Robert Solomon
 
Daniel Simmons
 
G&H Partners
 
0849664 B.C. Ltd
 
Eric Costello
 
Christopher Issac Stone
 
SV Angel II, LLC
 
Lund Small Holdings
 
Bradley Horowitz
 
Tony and Mary Conrad Revocable Trust U/A/D July 27, 2000 as amended September 16, 2011
 
Jeremy Stoppelman Ttee UTD 3/16/10
 
Om Malik
 
Noe Investors
 
Anthony Casalena



 
Adam Ludwin
 
Institutional Venture Partners XIV, L.P.
 
Star Blaze Investments Limited
 
DST Global IV, L.P.
 
Index Ventures Growth II (Jersey), L.P.
 
Index Ventures Growth II Parallel Entrepreneur Fund (Jersey), L.P.
 
Yucca (Jersey) SLP
 
Spark Capital Growth Fund, L.P.
 
James P. Bankoff
 
Ricardo L. Elias
 
Lowercase RT GP, LLC
 
Lowercase Sidecar, LP
 
JG Private Holdings, LLC
 
David C. Lee
 
Corvina Holdings Limited
 
Technology Opportunity Partners, LP
 
Le Peigné
 
DAXN, Inc.
 
Slck 2 Fund 1 LP
 
AME Cloud Ventures, LLC
 
Paul D. Hewson
 
A-SEL-13-FUND, A SERIES OF ANGELLIST-SLES-FUNDS, LLC
 
Slow Ventures IV, LP
 
Slow Ventures IV, LP
 
Federal Trust Company Limited as Trustee of The Innisfree No 2 Trust
 
The Higa Family Trust Dated January 11, 2007
 
Spark Capital Growth Founders' Fund, L.P.
 
Thrive Capital Partners IV, L.P.
 
Thrive Capital Partners IV-B, LLC
 



Thrive Capital Partners IV Supplemental, L.P.
 
Claremount IV Associates, L.P.
 
GGV Capital V L.P.
 
GGV Capital V Entrepreneurs Fund L.P.
 
GGV Capital Select L.P.
 
Comcast Ventures, LP
 
Gary Vaynerchuk
 
Alan Jack Vaynerchuk
 
Bloomberg Beta L.P.
 
TrueBridge Direct Fund, L.P.
 
SherpaEverest Fund, LP
 
SoftBank Vision Fund (AIV M1) L.P.
 
Venture Core Fund VII, L.P.
 
Private Equity Core Fund VII, L.P.
 
GFC Global Founders Capital GmbH
 
Rocket Internet Capital Partners SCS
 
Rocket Internet Capital Partners (Euro) SCS
 
Jonathan D Klein
 
Wicklow Fund I LLC
 
String DF Holdings, LP
 
General Atlantic (SL), L.P.
 
Hadley Harbor Master Investors (Cayman) II L.P.
 
T. Rowe Price Mid-Cap Growth Fund, Inc.
 
T. Rowe Price Institutional Mid-Cap Equity Growth Fund
 
T. Rowe Price Mid-Cap Growth Portfolio
 
T. Rowe Price U.S. Equities Trust
 
Great-West Funds, Inc. - Great-West T. Rowe Price Mid Cap Growth Fund
 
TD Mutual Funds - TD U.S. Mid-Cap Growth Fund
 



MassMutual Select Funds - MassMutual Select Mid Cap Growth Fund
 
MML Series Investment Fund - MML Mid Cap Growth Fund
 
Brighthouse Funds Trust I - T. Rowe Price Mid Cap Growth Portfolio
 
Marriott International, Inc. Pooled Investment Trust for Participant Directed Accounts
 
T. Rowe Price U.S. Mid-Cap Growth Equity Trust
 
L'Oreal USA, Inc. Employee Retirement Savings Plan
 
Costco 401(k) Retirement Plan
 
MassMutual Select Funds - MassMutual Select T. Rowe Price Small and Mid Cap Blend Fund
 
T. Rowe Price Communications & Technology Fund, Inc.
 
TD Mutual Funds - TD Entertainment & Communications Fund
 
T. Rowe Price Global Technology Fund, Inc.
 
TD Mutual Funds - TD Science & Technology Fund
 
UniSuper
 
T. Rowe Price Global Stock Fund
 
T. Rowe Price Institutional Global Focused Growth Equity Fund
 
Arkansas Teacher Retirement System
 
T. Rowe Price Global Focused Growth Equity Pool
 
T. Rowe Price Diversified Mid-Cap Growth Fund, Inc.
 
The Bunting Family III, LLC
 
Seasons Series Trust - SA Multi-Managed Mid Cap Growth Portfolio
 
The Bunting Family VI Socially Responsible LLC
 



Lincoln Variable Insurance Products Trust - LVIP T. Rowe Price Structured Mid-Cap Growth Fund
 
Voya Partners, Inc. - VY T. Rowe Price
 
T. Rowe Price Tax-Efficient Equity Fund
 
Lincoln Variable Insurance Products Trust - LVIP Blended Mid Cap Managed Volatility Fund
 
Jeffrey LLC
 
Baillie Gifford US Growth Trust PLC
 
The States of Jersey Public Employees Contributory Retirement Scheme
 
Warman Investments Pty Limited
 
The Board of Trustees of the Saskatchewan Healthcare Employees’ Pension Plan
 
Interventure Equity Investments Limited
 
Host-Plus Pty Limited
 
Pooled Super Pty Ltd
 
Scottish Mortgage Investment Trust Plc
 
Sands Capital Ventures Fund-SLK,
L.P.
 
Sands Capital Management, LLC, as Attorney-In-Fact for UniSuper
 
Light Street Beacon I, L.P.
 
Light Street Beacon Co-Invest 1, L.P.
 
Light Street Mercury Master Fund, L.P.
 
Eric E.G. Costello Revocable Trust
 
Quantum Partners LP
 
Soros Capital LP
 
JS Capital LLC
 
Palindrome Master Fund LP
 
Vision Super Pty Ltd
 
Disruptive Technology Solutions XIII, LLC
 
Coatue Offshore Master Fund, Ltd.

Exhibit 10.2





SLACK TECHNOLOGIES, INC.
2009 STOCK PLAN
ADOPTED ON JUNE 4, 2009; AS AMENDED








TABLE OF CONTENTS
 
Page
 
 
SECTION 1.     Establishment and Purpose
1

 
 
SECTION 2.     Administration
1

(a)   Committees of the Board of Directors
1

(b)   Authority of the Board of Directors
1

 
 
SECTION 3.     Eligibility
1

(a)   General Rule
1

(b)   Ten‑Percent Stockholders
1

 
 
SECTION 4.     Stock Subject to Plan
1

(a)   Basic Limitation
1

(b)   Additional Shares
2

 
 
SECTION 5.     Terms and Conditions of Awards or Sales and rsus
2

(a)   Stock Purchase Agreement
2

(b)   Duration of Offers and Nontransferability of Rights
2

(c)   Purchase Price
2

(d)   Withholding Taxes
2

(e)   Restrictions on Transfer of Shares
2

(f)   Restricted Stock Units
3

 
 
SECTION 6.     Terms and Conditions of Options
4

(a)   Stock Option Agreement
4

(b)   Number of Shares
4

(c)   Exercise Price
4

(d)   Exercisability
4

(e)   Basic Term
4

(f)   Termination of Service (Except by Death)
4

(g)   Leaves of Absence
5

(h)   Death of Optionee
5

(i)   Restrictions on Transfer of Shares
5

(j)   Transferability of Options
6

(k)   Withholding Taxes
6

(l)   No Rights as a Stockholder
6

(m)   Modification, Extension and Assumption of Options
6


i


 
 
SECTION 7.     Payment for Shares
6

(a)   General Rule
6

(b)   Services Rendered
7

(c)   Promissory Note
7

(d)   Surrender of Stock
7

(e)   Exercise/Sale
7

(f)   Other Forms of Payment
7

 
 
SECTION 8.     Adjustment of Shares
7

(a)   General
7

(b)   Corporate Transactions
8

(c)   Reservation of Rights
9

 
 
SECTION 9.     Securities Law Requirements
10

 
 
SECTION 10.     No Retention Rights
10

 
 
SECTION 11.     Duration and Amendments
10

(a)   Term of the Plan
10

(b)   Right to Amend or Terminate the Plan
10

(c)   Effect of Amendment or Termination
10

 
 
SECTION 12.     Definitions
11


ii


SLACK TECHNOLOGIES, INC. 2009 STOCK PLAN
SECTION 1.
ESTABLISHMENT AND PURPOSE .
The purpose of the Plan is to offer selected persons an opportunity to acquire a proprietary interest in the success of the Company, or to increase such interest, by purchasing Shares of the Company’s Stock. The Plan provides both for the direct award or sale of Shares and for the grant of Options to purchase Shares and the grant of RSUs. Options granted under the Plan may include Nonstatutory Options as well as ISOs intended to qualify under Section 422 of the Code.
Capitalized terms are defined in Section 12.
SECTION 2.
ADMINISTRATION .
(a)      Committees of the Board of Directors. The Plan may be administered by one or more Committees. Each Committee shall consist of one or more members of the Board of Directors who have been appointed by the Board of Directors. Each Committee shall have such authority and be responsible for such functions as the Board of Directors has assigned to it. If no Committee has been appointed, the entire Board of Directors shall administer the Plan. Any reference to the Board of Directors in the Plan shall be construed as a reference to the Committee (if any) to whom the Board of Directors has assigned a particular function.
(b)      Authority of the Board of Directors. Subject to the provisions of the Plan, the Board of Directors shall have full authority and discretion to take any actions it deems necessary or advisable for the administration of the Plan. All decisions, interpretations and other actions of the Board of Directors shall be final and binding on all Purchasers, all Optionees, all Unit Holders and all persons deriving their rights from a Purchaser or Optionee or Unit Holder.
SECTION 3.
ELIGIBILITY .
(a)      General Rule. Only Employees, Outside Directors and Consultants shall be eligible for the grant of Nonstatutory Options or the direct award or sale of Shares or the grant of RSUs. Only Employees shall be eligible for the grant of ISOs.
(b)      Ten‑Percent Stockholders. A person who owns more than 10% of the total combined voting power of all classes of outstanding stock of the Company, its Parent or any of its Subsidiaries shall not be eligible for the grant of an ISO unless (i) the Exercise Price is at least 110% of the Fair Market Value of a Share on the date of grant and (ii) such ISO by its terms is not exercisable after the expiration of five years from the date of grant. For purposes of this Subsection (b), in determining stock ownership, the attribution rules of Section 424(d) of the Code shall be applied.
SECTION 4.
STOCK SUBJECT TO PLAN .
(a)      Basic Limitation. Not more than 152,036,863 Shares may be issued under the Plan, subject to Subsection (b) below and Section 8(a). All of these Shares may be issued upon



the exercise of ISOs. The number of Shares that are subject to Options, RSUs or other rights outstanding at any time under the Plan shall not exceed the number of Shares that then remain available for issuance under the Plan. The Company, during the term of the Plan, shall at all times reserve and keep available sufficient Shares to satisfy the requirements of the Plan. Shares offered under the Plan may be authorized but unissued Shares or treasury Shares.
(b)      Additional Shares. In the event that Shares previously issued under the Plan are reacquired by the Company, including without limitation to satisfy tax withholding obligations, such Shares shall be added to the number of Shares then available for issuance under the Plan. In the event that an outstanding Option, RSU or other right for any reason expires or is canceled, the Shares allocable to the unexercised portion of such Option, RSU or other right shall be added to the number of Shares then available for issuance under the Plan.
SECTION 5.
TERMS AND CONDITIONS OF AWARDS OR SALES AND RSUS .
(a)      Stock Purchase Agreement. Each award or sale of Shares under the Plan (other than upon exercise of an Option or settlement of RSUs) shall be evidenced by a Stock Purchase Agreement between the Purchaser and the Company. Such award or sale shall be subject to all applicable terms and conditions of the Plan and may be subject to any other terms and conditions which are not inconsistent with the Plan and which the Board of Directors deems appropriate for inclusion in a Stock Purchase Agreement. The provisions of the various Stock Purchase Agreements entered into under the Plan need not be identical.
(b)      Duration of Offers and Nontransferability of Rights. Any right to acquire Shares under the Plan (other than an Option or RSU) shall automatically expire if not exercised by the Purchaser within 30 days after the grant of such right was communicated to the Purchaser by the Company. Such right shall not be transferable and shall be exercisable only by the Purchaser to whom such right was granted.
(c)      Purchase Price. The Board of Directors shall determine the Purchase Price of Shares to be offered under the Plan at its sole discretion. The Purchase Price shall be payable in a form described in Section 7.
(d)      Withholding Taxes. As a condition to the purchase of Shares, the Purchaser shall make such arrangements as the Board of Directors may require for the satisfaction of any federal, state, local or foreign withholding tax obligations that may arise in connection with such purchase.
(e)      Restrictions on Transfer of Shares. Any Shares awarded or sold under the Plan (including upon settlement of RSUs) shall be subject to such special forfeiture conditions, rights of repurchase, rights of first refusal and other transfer restrictions as the Board of Directors may determine. Such restrictions shall be set forth in the applicable Stock Purchase Agreement (or Restricted Stock Unit Agreement) and shall apply in addition to any restrictions that may apply to holders of Shares generally. Notwithstanding anything herein or in the applicable Stock Purchase Agreement to the contrary, with respect to awards or sales of Shares or RSUs made under the Plan on or after the Amendment Date, no Purchaser may Transfer any such Shares other than by means

2


of a Permitted Transfer. Awards or sales of Shares made prior to the Amendment Date shall be subject to such additional restrictions on transfer to the extent that the holder thereof agrees to such restrictions in writing. Any Transfer of Shares shall be null and void unless the terms, conditions and provisions of this Section 5(e) and/or the applicable Stock Purchase Agreement or Restricted Stock Unit Agreement are strictly observed and followed. The foregoing restriction on Transfer shall lapse upon the earlier of (i) immediately prior to the consummation of a Corporate Transaction or (ii) immediately prior to the Company’s first firm commitment underwritten public offering of its securities pursuant to a registration statement under the Securities Act.
(f)      Restricted Stock Units .
(i)     Restricted Stock Unit Agreement . Upon the grant of RSUs, the Unit Holder and the Company shall enter into a Restricted Stock Unit Agreement. The terms and conditions of each such Restricted Stock Unit Agreement shall be determined by the Board of Directors and may differ among individual awards and Unit Holders. The Board of Directors shall determine the restrictions and conditions applicable to each RSU at the time of grant. Vesting conditions may be based on continuing Service and/or achievement of pre-established performance goals and objectives and/or other such criteria as the Board of Directors may determine. On or promptly following the vesting date or dates applicable to any RSU, but in no event later than March 15 of the year following the year in which such vesting occurs, such RSU(s) shall be settled in the form of cash or shares of Stock, as specified in the Restricted Stock Unit Agreement. RSUs may not be sold, assigned, transferred, pledged, or otherwise encumbered or disposed of.
(ii)     Purchase Price . Unless otherwise provided for in the Restricted Stock Unit Agreement, RSUs shall have a purchase price of zero (or par value if required by applicable law).
(iii)     Rights as a Stockholder . A Unit Holder shall have the rights of a stockholder only as to Shares, if any, acquired upon settlement of RSUs. A Unit Holder shall not be deemed to have acquired any such Shares unless and until the RSUs shall have been settled in Shares pursuant to the terms of the Plan and the Restricted Stock Unit Agreement, the Company shall have issued and delivered a certificate representing the Shares to the Unit Holder (or transferred on the records of the Company with respect to uncertificated stock), and the Unit Holder’s name has been entered in the books of the Company as a stockholder.
(iv)     Termination . Except as may otherwise be provided by the Board of Directors either in the Restricted Stock Unit Agreement or in writing after the Restricted Stock Unit Agreement is issued, a Unit Holder’s right in all RSUs that have not vested shall automatically terminate upon the Unit Holder’s cessation of Service.
(v)     Withholding Taxes . Promptly on or before the settlement of RSUs, the Unit Holder shall make such arrangements as the Board of Directors may require for the satisfaction of all Federal, state, local or foreign withholding tax obligations that may arise in connection with such settlement.

3


SECTION 6.
TERMS AND CONDITIONS OF OPTIONS .
(a)      Stock Option Agreement. Each grant of an Option under the Plan shall be evidenced by a Stock Option Agreement between the Optionee and the Company. The Option shall be subject to all applicable terms and conditions of the Plan and may be subject to any other terms and conditions which are not inconsistent with the Plan and which the Board of Directors deems appropriate for inclusion in a Stock Option Agreement. The provisions of the various Stock Option Agreements entered into under the Plan need not be identical.
(b)      Number of Shares. Each Stock Option Agreement shall specify the number of Shares that are subject to the Option and shall provide for the adjustment of such number in accordance with Section 8. The Stock Option Agreement shall also specify whether the Option is an ISO or a Nonstatutory Option.
(c)      Exercise Price. Each Stock Option Agreement shall specify the Exercise Price. The Exercise Price of an Option shall not be less than 100% of the Fair Market Value of a Share on the date of grant, and in the case of an ISO a higher percentage may be required by Section 3(b). Subject to the preceding sentence, the Exercise Price shall be determined by the Board of Directors at its sole discretion. The Exercise Price shall be payable in a form described in Section 7. This Subsection (c) shall not apply to an Option granted pursuant to an assumption of, or substitution for, another option in a manner that complies with Section 424(a) of the Code (whether or not the Option is an ISO).
(d)      Exercisability. Each Stock Option Agreement shall specify the date when all or any installment of the Option is to become exercisable. No Option shall be exercisable unless the Optionee (i) has delivered an executed copy of the Stock Option Agreement to the Company or (ii) otherwise agrees to be bound by the terms of the Stock Option Agreement. The Board of Directors shall determine the exercisability provisions of the Stock Option Agreement at its sole discretion.
(e)      Basic Term. The Stock Option Agreement shall specify the term of the Option. The term shall not exceed 10 years from the date of grant, and in the case of an ISO a shorter term may be required by Section 3(b). Subject to the preceding sentence, the Board of Directors at its sole discretion shall determine when an Option is to expire.
(f)      Termination of Service (Except by Death). If an Optionee’s Service terminates for any reason other than the Optionee’s death, then the Optionee’s Options shall expire on the earliest of the following dates:
(i)    The expiration date determined pursuant to Section 6(e);
(ii)    The date three months after the termination of the Optionee’s Service for any reason other than Disability, or such earlier or later date as the Board of Directors may determine (but in no event earlier than 30 days after the termination of the Optionee’s Service); or

4


(iii)    The date six months after the termination of the Optionee’s Service by reason of Disability, or such later date as the Board of Directors may determine.
The Optionee may exercise all or part of the Optionee’s Options at any time before the expiration of such Options under the preceding sentence, but only to the extent that such Options had become exercisable before the Optionee’s Service terminated (or became exercisable as a result of the termination) and the underlying Shares had vested before the Optionee’s Service terminated (or vested as a result of the termination). The balance of such Options shall lapse when the Optionee’s Service terminates. In the event that the Optionee dies after the termination of the Optionee’s Service but before the expiration of the Optionee’s Options, all or part of such Options may be exercised (prior to expiration) by the executors or administrators of the Optionee’s estate or by any person who has acquired such Options directly from the Optionee by beneficiary designation, bequest or inheritance, but only to the extent that such Options had become exercisable before the Optionee’s Service terminated (or became exercisable as a result of the termination) and the underlying Shares had vested before the Optionee’s Service terminated (or vested as a result of the termination).
(g)      Leaves of Absence. For purposes of Subsection (f) above, Service shall be deemed to continue while the Optionee is on a bona fide leave of absence, if such leave was approved by the Company in writing and if continued crediting of Service for this purpose is expressly required by the terms of such leave or by applicable law (as determined by the Company).
(h)      Death of Optionee. If an Optionee dies while the Optionee is in Service, then the Optionee’s Options shall expire on the earlier of the following dates:
(i)    The expiration date determined pursuant to Section 6(e); or
(ii)    The date 12 months after the Optionee’s death, or such earlier or later date as the Board of Directors may determine (but in no event earlier than six months after the Optionee’s death).
All or part of the Optionee’s Options may be exercised at any time before the expiration of such Options under the preceding sentence by the executors or administrators of the Optionee’s estate or by any person who has acquired such Options directly from the Optionee by beneficiary designation, bequest or inheritance, but only to the extent that such Options had become exercisable before the Optionee’s death (or became exercisable as a result of the death) and the underlying Shares had vested before the Optionee’s death (or vested as a result of the Optionee’s death). The balance of such Options shall lapse when the Optionee dies.
(i)      Restrictions on Transfer of Shares. Any Shares issued upon exercise of an Option shall be subject to such special forfeiture conditions, rights of repurchase, rights of first refusal and other transfer restrictions as the Board of Directors may determine. Such restrictions shall be set forth in the applicable Stock Option Agreement and shall apply in addition to any restrictions that may apply to holders of Shares generally. Notwithstanding anything herein or in the applicable Stock Option Agreement to the contrary, with respect to Options granted under the

5


Plan on or after the Amendment Date, no Optionee may Transfer any Shares acquired upon the exercise of such an Option other than by means of a Permitted Transfer. The Shares subject to Options granted prior to the Amendment Date shall be subject to such additional restrictions on transfer to the extent that the holder thereof agrees to such restrictions in writing. Any Transfer of Shares shall be null and void unless the terms, conditions and provisions of this Section 6(i) are strictly observed and followed. The foregoing restriction on Transfer shall lapse upon the earlier of (i) immediately prior to the consummation of a Corporate Transaction or (ii) immediately prior to the Company’s first firm commitment underwritten public offering of its securities pursuant to a registration statement under the Securities Act.
(j)      Transferability of Options. An Option shall be transferable by the Optionee only by (i) a beneficiary designation, (ii) a will or (iii) the laws of descent and distribution, except as provided in the next sentence. If the applicable Stock Option Agreement so provides, a Nonstatutory Option shall also be transferable by gift or domestic relations order to a Family Member of the Optionee. An ISO may be exercised during the lifetime of the Optionee only by the Optionee or by the Optionee’s guardian or legal representative.
(k)      Withholding Taxes. As a condition to the exercise of an Option, the Optionee shall make such arrangements as the Board of Directors may require for the satisfaction of any federal, state, local or foreign withholding tax obligations that may arise in connection with such exercise. The Optionee shall also make such arrangements as the Board of Directors may require for the satisfaction of any federal, state, local or foreign withholding tax obligations that may arise in connection with the disposition of Shares acquired by exercising an Option.
(l)      No Rights as a Stockholder. An Optionee, or a transferee of an Optionee, shall have no rights as a stockholder with respect to any Shares covered by the Optionee’s Option until such person becomes entitled to receive such Shares by filing a notice of exercise and paying the Exercise Price pursuant to the terms of such Option.
(m)      Modification, Extension and Assumption of Options. Within the limitations of the Plan, the Board of Directors may modify, extend or assume outstanding Options or may accept the cancellation of outstanding Options (whether granted by the Company or another issuer) in return for the grant of new Options for the same or a different number of Shares and at the same or a different Exercise Price. The foregoing notwithstanding, no modification of an Option shall, without the consent of the Optionee, impair the Optionee’s rights or increase the Optionee’s obligations under such Option.
SECTION 7.
PAYMENT FOR SHARES .
(a)      General Rule. The entire Purchase Price or Exercise Price of Shares issued under the Plan shall be payable in cash or cash equivalents at the time when such Shares are purchased, except as otherwise provided in this Section 7.
(b)      Services Rendered. At the discretion of the Board of Directors, Shares may be awarded under the Plan in consideration of services rendered to the Company, a Parent or a Subsidiary prior to the award.

6


(c)      Promissory Note. At the discretion of the Board of Directors, all or a portion of the Purchase Price or Exercise Price (as the case may be) of Shares issued under the Plan may be paid with a full-recourse promissory note. The Shares shall be pledged as security for payment of the principal amount of the promissory note and interest thereon. The interest rate payable under the terms of the promissory note shall not be less than the minimum rate (if any) required to avoid the imputation of additional interest under the Code. Subject to the foregoing, the Board of Directors (at its sole discretion) shall specify the term, interest rate, amortization requirements (if any) and other provisions of such note.
(d)      Surrender of Stock. At the discretion of the Board of Directors, all or any part of the Exercise Price may be paid by surrendering, or attesting to the ownership of, Shares that are already owned by the Optionee. Such Shares shall be surrendered to the Company in good form for transfer and shall be valued at their Fair Market Value as of the date when the Option is exercised.
(e)      Exercise/Sale. To the extent that a Stock Option Agreement so provides, and if Stock is publicly traded, all or part of the Exercise Price and any withholding taxes may be paid by the delivery (on a form prescribed by the Company) of an irrevocable direction to a securities broker approved by the Company to sell Shares and to deliver all or part of the sales proceeds to the Company.
(f)      Other Forms of Payment. To the extent that a Stock Purchase Agreement or Stock Option Agreement so provides, the Purchase Price or Exercise Price of Shares issued under the Plan may be paid in any other form permitted by the Delaware General Corporation Law, as amended.
SECTION 8.
ADJUSTMENT OF SHARES .
(a)      General. In the event of a subdivision of the outstanding Stock, a declaration of a dividend payable in Shares, a combination or consolidation of the outstanding Stock into a lesser number of Shares, a reclassification, or any other increase or decrease in the number of issued shares of Stock effected without receipt of consideration by the Company, proportionate adjustments shall automatically be made in each of (i) the number of Shares available for future grants under Section 4, (ii) the number of Shares covered by each outstanding Option and RSU and (iii) the Exercise Price under each outstanding Option. In the event of a declaration of an extraordinary dividend payable in a form other than Shares in an amount that has a material effect on the Fair Market Value of the Stock, a recapitalization, a spin-off, or a similar occurrence, the Board of Directors at its sole discretion may make appropriate adjustments in one or more of (i) the number of Shares available for future grants under Section 4, (ii) the number of Shares covered by each outstanding Option and RSU or (iii) the Exercise Price under each outstanding Option; provided, however, that the Board of Directors shall in any event make such adjustments as may be required by Section 25102(o) of the California Corporations Code.
(b)      Corporate Transactions. In the event that the Company is a party to a merger or consolidation, or in the event of a sale of all or substantially all of the Company’s stock or assets, (in each case, a “ Corporate Transaction ”) all Shares acquired under the Plan and all Options, RSUs and other Plan awards outstanding on the effective date of the Corporate Transaction

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shall be treated in the manner described in the definitive transaction agreement (or, in the event the Corporate Transaction does not entail a definitive agreement to which the Company is party, in the manner determined by the Board of Directors in its capacity as administrator of the Plan, with such determination having final and binding effect on all parties), which agreement or determination need not treat all Options, RSUs and awards (or all portions of an Option, RSU or an award) in an identical manner. The treatment specified in the transaction agreement may include (without limitation) one or more of the following with respect to each outstanding Option, RSU or award:
(i)    Continuation of the Option, RSU or award by the Company (if the Company is the surviving corporation).
(ii)    Assumption of the Option by the surviving corporation or its parent in a manner that complies with Code Section 424(a) (whether or not the Option is an ISO).
(iii)    Substitution by the surviving corporation or its parent of a new option for the Option in a manner that complies with Code Section 424(a) (whether or not the Option is an ISO).
(iv)    Assumption of the RSU, or substitution of a new RSU, by the surviving corporation or its parent with an equitable or proportionate adjustment to the amount and kind of shares subject thereto.
(v)    Cancellation of the Option and a payment to the Optionee with respect to each Share subject to the portion of the Option that is vested as of date of the consummation of the Corporate Transaction equal to the excess of (A) the value, as determined by the Board of Directors in its absolute discretion, of the property (including cash) received by the holder of a share of Stock as a result of the Corporate Transaction, over (B) the per-Share Exercise Price of the Option (such excess, the “ Spread ”).  Such payment shall be made in the form of cash, cash equivalents, or securities of the surviving corporation or its parent having a value equal to the Spread.  In addition, any escrow, holdback, earn-out or similar provisions in the transaction agreement may apply to such payment to the same extent and in the same manner as such provisions apply to the holders of Stock.  If the Spread applicable to an Option is zero or a negative number, then the Option may be cancelled without making a payment to the Optionee. 
(vi)    Cancellation of RSUs and a payment to the Unit Holder with respect to each Share subject to the portion of the RSUs that are vested as of date of the consummation of the Corporate Transaction equal to the value, as determined by the Board of Directors in its absolute discretion, of the property (including cash) received by the holder of a share of Stock as a result of the Corporate Transaction. Such payment shall be made in the form of cash, cash equivalents, or securities of the surviving corporation or its parent having a value equal to such amount.  In addition, any escrow, holdback, earn-out or similar provisions in the transaction agreement may apply to such payment to the same extent and in the same manner

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as such provisions apply to the holders of Stock.  If the amount payable with respect to an RSU is zero, then the RSU may be cancelled without making a payment to the Unit Holder.
(vii)    Cancellation of the Option without the payment of any consideration; provided that the Optionee shall be notified of such treatment and given an opportunity to exercise the Option (to the extent the Option is vested or becomes vested as of the effective date of the transaction) during a period of not less than five business days preceding the effective date of the Corporate Transaction, unless (A) a shorter period is required to permit a timely closing of the Corporate Transaction and (B) such shorter period still offers the Optionee a reasonable opportunity to exercise the Option.  Any exercise of the Option during such period may be contingent upon the closing of the transaction.
(viii)    Suspension of the Optionee’s right to exercise the Option during a limited period of time preceding the closing of the Corporate Transaction if such suspension is administratively necessary to permit the closing of the Corporate Transaction.
(ix)    Termination of any right the Optionee has to exercise the Option prior to vesting in the Shares subject to the Option (i.e., “early exercise”), such that following the closing of the Corporate Transaction the Option may only be exercised to the extent it is vested.
For the avoidance of doubt, the Board of Directors has discretion to accelerate, in whole or part, the vesting and exercisability of an Option, RSU or other Plan award in connection with a Corporate Transaction covered by this Section 8(b) or under such other circumstances as deemed appropriate by the Board of Directors.
(c)      Reservation of Rights. Except as provided in this Section 8, an Optionee, Unit Holder or Purchaser shall have no rights by reason of (i) any subdivision or consolidation of shares of stock of any class, (ii) the payment of any dividend or (iii) any other increase or decrease in the number of shares of stock of any class. Any issuance by the Company of shares of stock of any class, or securities convertible into shares of stock of any class, shall not affect, and no adjustment by reason thereof shall be made with respect to, the number or Exercise Price of Shares subject to an Option or RSU. The grant of an Option or RSU pursuant to the Plan shall not affect in any way the right or power of the Company to make adjustments, reclassifications, reorganizations or changes of its capital or business structure, to merge or consolidate or to dissolve, liquidate, sell or transfer all or any part of its business or assets.
SECTION 9.
SECURITIES LAW REQUIREMENTS .
Shares shall not be issued under the Plan unless the issuance and delivery of such Shares comply with (or are exempt from) all applicable requirements of law, including (without limitation) the Securities Act, the rules and regulations promulgated thereunder, state securities laws

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and regulations, and the regulations of any stock exchange or other securities market on which the Company’s securities may then be traded.
SECTION 10.
NO RETENTION RIGHTS .
Nothing in the Plan or in any right or Option or RSU granted under the Plan shall confer upon the Purchaser or Optionee or Unit Holder any right to continue in Service for any period of specific duration or interfere with or otherwise restrict in any way the rights of the Company (or any Parent or Subsidiary employing or retaining the Purchaser or Optionee or Unit Holder) or of the Purchaser or Optionee or Unit Holder, which rights are hereby expressly reserved by each, to terminate his or her Service at any time and for any reason, with or without cause.
SECTION 11.
DURATION AND AMENDMENTS .
(a)      Term of the Plan. The Plan, as set forth herein, shall become effective on the date of its adoption by the Board of Directors, subject to the approval of the Company’s stockholders. If the stockholders fail to approve the Plan within 12 months after its adoption by the Board of Directors, then any grants, exercises or sales that have already occurred under the Plan shall be rescinded and no additional grants, exercises or sales shall thereafter be made under the Plan. The Plan shall terminate automatically 10 years after the later of (i) the date when the Board of Directors adopted the Plan or (ii) the date when the Board of Directors approved the most recent increase in the number of Shares reserved under Section 4 that was also approved by the Company’s stockholders. The Plan may be terminated on any earlier date pursuant to Subsection (b) below.
(b)      Right to Amend or Terminate the Plan. The Board of Directors may amend, suspend or terminate the Plan at any time and for any reason; provided, however, that any amendment of the Plan shall be subject to the approval of the Company’s stockholders if it (i) increases the number of Shares available for issuance under the Plan (except as provided in Section 8) or (ii) materially changes the class of persons who are eligible for the grant of ISOs. Stockholder approval shall not be required for any other amendment of the Plan. If the stockholders fail to approve an increase in the number of Shares reserved under Section 4 within 12 months after its adoption by the Board of Directors, then any grants, exercises or sales that have already occurred in reliance on such increase shall be rescinded and no additional grants, exercises or sales shall thereafter be made in reliance on such increase. The Board of Directors is specifically authorized to exercise its discretion to reduce the exercise price of outstanding Options or effect the repricing of such awards through cancellation and re-grants, without stockholder approval.
(c)      Effect of Amendment or Termination. No Shares shall be issued or sold under the Plan after the termination thereof, except upon exercise of an Option or settlement of an RSU granted prior to such termination. The termination of the Plan, or any amendment thereof, shall not affect any Share previously issued or any Option or RSU previously granted under the Plan.
SECTION 12.
DEFINITIONS .
(a)    “ Amendment Date ” shall mean January 23, 2015.

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(b)    “ Board of Directors ” shall mean the Board of Directors of the Company, as constituted from time to time.
(c)    “ Code ” shall mean the Internal Revenue Code of 1986, as amended.
(d)    “ Committee ” shall mean a committee of the Board of Directors, as described in Section 2(a).
(e)    “ Company ” shall mean Slack Technologies, Inc., a Delaware corporation.
(f)    “ Consultant ” shall mean a person who performs bona fide services for the Company, a Parent or a Subsidiary as a consultant or advisor, excluding Employees and Outside Directors.
(g)    “ Corporate Transaction ” shall have the meaning set forth in Section 8(b).
(h)    “ Disability ” shall mean that the Optionee or Unit Holder is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment.
(i)    “ Employee ” shall mean any individual who is a common‑law employee of the Company, a Parent or a Subsidiary.
(j)    “ Exercise Price ” shall mean the amount for which one Share may be purchased upon exercise of an Option, as specified by the Board of Directors in the applicable Stock Option Agreement.
(k)    “ Fair Market Value ” shall mean the fair market value of a Share, as determined by the Board of Directors in accordance with applicable law. Such determination shall be conclusive and binding on all persons.
(l)    “ Family Member ” shall mean (i) any child, stepchild, grandchild, parent, stepparent, grandparent, spouse, former spouse, sibling, niece, nephew, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law or sister-in-law, including adoptive relationships, (ii) any person sharing the Optionee’s or Unit Holder’s household (other than a tenant or employee), (iii) a trust in which persons described in Clause (i) or (ii) have more than 50% of the beneficial interest, (iv) a foundation in which persons described in Clause (i) or (ii) or the Optionee or Unit Holder control the management of assets and (v) any other entity in which persons described in Clause (i) or (ii) or the Optionee or Unit Holder own more than 50% of the voting interests.
(m)    “ ISO ” shall mean an employee incentive stock option described in Section 422(b) of the Code.
(n)    “ Nonstatutory Option ” shall mean a stock option not described in Sections 422(b) or 423(b) of the Code.

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(o)    “ Option ” shall mean an ISO or Nonstatutory Option granted under the Plan and entitling the holder to purchase Shares.
(p)    “ Optionee ” shall mean a person who holds an Option.
(q)    “ Outside Director ” shall mean a member of the Board of Directors who is not an Employee.
(r)    “ Parent ” shall mean any corporation (other than the Company) in an unbroken chain of corporations ending with the Company, if each of the corporations other than the Company owns stock possessing more than 50% of the total combined voting power of all classes of stock in one of the other corporations in such chain. A corporation that attains the status of a Parent on a date after the adoption of the Plan shall be considered a Parent commencing as of such date.
(s)    “ Permitted Transfer ” shall mean any of the following:
(i)
Any Transfer of Shares to the Company.
(ii)
Any Transfer of Shares for no consideration to a Purchaser or Optionee’s or Unit Holder’s Family Member, provided that the transferee agrees in writing with the Company to be bound by all of the terms and conditions of this Plan and the applicable Stock Purchase Agreement(s) and/or Stock Option Agreement(s) and/or Restricted Stock Unit Agreement(s), including the restrictions on Transfer contained herein and therein.
(iii)
Any Transfer of Shares effected pursuant to the Grantee’s will or the laws of intestate succession.
(iv)
Any Transfer permitted by written approval of the Board of Directors or its designee (the “ Transfer Approval ”), which Transfer Approval shall be granted or withheld in the sole and absolute discretion of the Board of Directors or its designee.
(t)    “ Plan ” shall mean this Slack Technologies, Inc. 2009 Stock Plan, as amended from time to time.
(u)    “ Purchase Price ” shall mean the consideration for which one Share may be acquired under the Plan (other than upon exercise of an Option or settlement of an RSU), as specified by the Board of Directors.
(v)    “ Purchaser ” shall mean a person to whom the Board of Directors has offered the right to acquire Shares under the Plan (other than upon exercise of an Option or settlement of an RSU).

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(w)    “ Restricted Stock Unit Agreement ” shall mean the agreement between the Company and the Unit Holder that contains the terms, conditions and restrictions pertaining to the Unit Holder’s RSUs.
(x)    “ RSU ” shall mean a restricted stock unit representing the Unit Holder’s right to receive a Share of Stock upon the satisfaction of certain conditions.
(y)    “ Securities Act ” shall mean the Securities Act of 1933, as amended.
(z)    “ Service ” shall mean service as an Employee, Outside Director or Consultant.
(aa)    “ Share ” shall mean one share of Stock, as adjusted in accordance with Section 8 (if applicable).
(bb)    “ Spread ” shall have the meaning set forth in Section 8(b).
(cc)    “ Stock ” shall mean the Class B Common Stock of the Company.
(dd)    “ Stock Option Agreement ” shall mean the agreement between the Company and an Optionee that contains the terms, conditions and restrictions pertaining to the Optionee’s Option.
(ee)    “ Stock Purchase Agreement ” shall mean the agreement between the Company and a Purchaser who acquires Shares under the Plan that contains the terms, conditions and restrictions pertaining to the acquisition of such Shares.
(ff)    “ Subsidiary ” shall mean any corporation (other than the Company) in an unbroken chain of corporations beginning with the Company, if each of the corporations other than the last corporation in the unbroken chain owns stock possessing more than 50% of the total combined voting power of all classes of stock in one of the other corporations in such chain. A corporation that attains the status of a Subsidiary on a date after the adoption of the Plan shall be considered a Subsidiary commencing as of such date.
(gg)    “ Transfer ” shall mean sell, assign, transfer, pledge, encumber or in any manner dispose of, whether voluntarily or by operation of law, or by gift or otherwise.
(hh)    “ Unit Holder ” shall mean a person to whom the Company has granted an RSU.

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Exhibit 10.4

SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
SECTION 1.
GENERAL PURPOSE OF THE PLAN; DEFINITIONS
The name of the plan is the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan (the “Plan”). The purpose of the Plan is to encourage and enable the officers, employees, Non-Employee Directors and Consultants of Slack Technologies, Inc. (the “Company”) and its Affiliates upon whose judgment, initiative and efforts the Company largely depends for the successful conduct of its business to acquire a proprietary interest in the Company. It is anticipated that providing such persons with a direct stake in the Company’s welfare will assure a closer identification of their interests with those of the Company and its stockholders, thereby stimulating their efforts on the Company’s behalf and strengthening their desire to remain with the Company or one of its Affiliates.
The following terms shall be defined as set forth below:
“Act” means the U.S. Securities Act of 1933, as amended, and the rules and regulations thereunder.
“Administrator” means either the Board or the compensation committee of the Board or a similar committee performing the functions of the compensation committee and which is comprised of not less than two Non‑Employee Directors who are independent.
Affiliate ” means, at the time of determination, any “parent” or “subsidiary” of the Company as such terms are defined in Rule 405 of the Act. The Board will have the authority to determine the time or times at which “parent” or “subsidiary” status is determined within the foregoing definition.
“Award” or “Awards,” except where referring to a particular category of grant under the Plan, shall include Incentive Stock Options, Non-Qualified Stock Options, Stock Appreciation Rights, Restricted Stock Units, Restricted Stock Awards, Unrestricted Stock Awards, Cash-Based Awards, and Dividend Equivalent Rights.
“Award Agreement” means a written or electronic document setting forth the terms and provisions applicable to an Award granted under the Plan. Each Award Agreement is subject to the terms and conditions of the Plan.
“Board” means the Board of Directors of the Company.
“Cash-Based Award” means an Award entitling the recipient to receive a cash-denominated payment.
“Code” means the U.S. Internal Revenue Code of 1986, as amended, and any successor Code, and related rules, regulations and interpretations.



“Consultant” means a consultant or adviser who provides bona fide services to the Company or an Affiliate as an independent contractor and who qualifies as a consultant or advisor under Instruction A.1.(a)(1) of Form S-8 under the Act.
“Dividend Equivalent Right” means an Award entitling the grantee to receive credits based on cash dividends that would have been paid on the shares of Stock specified in the Dividend Equivalent Right (or other award to which it relates) if such shares had been issued to and held by the grantee.
“Effective Date” means the date on which the Plan becomes effective as set forth in Section 19.
“Exchange Act” means the U.S. Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder.
“Fair Market Value” of the Stock on any given date means the fair market value of the Stock determined in good faith by the Administrator; provided, however, that if the Stock is listed on the National Association of Securities Dealers Automated Quotation System (“NASDAQ”), NASDAQ Global Market, The New York Stock Exchange or another national securities exchange or traded on any established market, the determination shall be made by reference to market quotations or a closing price. If there are no market quotations or closing price for such date, the determination shall be made by reference to the last date preceding such date for which there are market quotations or a closing price.
“Incentive Stock Option” means any Stock Option designated and qualified as an “incentive stock option” as defined in Section 422 of the Code.
“Non-Employee Director” means a member of the Board who is not also an employee of the Company or any Subsidiary.
“Non-Qualified Stock Option” means any Stock Option that is not an Incentive Stock Option.
“Option” or “Stock Option” means any option to purchase shares of Stock granted pursuant to Section 5.
“Registration Date” means the date upon which the registration statement on Form S-1 that is filed by the Company is declared effective by the U.S. Securities and Exchange Commission.
“Restricted Shares” means the shares of Stock underlying a Restricted Stock Award that remain subject to a risk of forfeiture or the Company’s right of repurchase.
“Restricted Stock Award” means an Award of Restricted Shares subject to such restrictions and conditions as the Administrator may determine at the time of grant.

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“Restricted Stock Units” means an Award of stock units subject to such restrictions and conditions as the Administrator may determine at the time of grant.
“Sale Event” shall mean (i) the sale of all or substantially all of the assets of the Company on a consolidated basis to an unrelated person or entity, (ii) a merger, reorganization or consolidation pursuant to which the holders of the Company’s outstanding voting power and outstanding stock immediately prior to such transaction do not own a majority of the outstanding voting power and outstanding stock or other equity interests of the resulting or successor entity (or its ultimate parent, if applicable) immediately upon completion of such transaction, (iii) the sale of all of the Stock of the Company to an unrelated person, entity or group thereof acting in concert, or (iv) any other transaction in which the owners of the Company’s outstanding voting power immediately prior to such transaction do not own at least a majority of the outstanding voting power of the Company or any successor entity immediately upon completion of the transaction other than as a result of the acquisition of securities directly from the Company (for the avoidance of doubt, any change in majority voting power resulting from the conversion of Class B common stock to Class A common stock by an individual stockholder shall not, on its own, constitute a Sale Event).
Sale Price ” means the value as determined by the Administrator of the consideration payable, or otherwise to be received by stockholders, per share of Stock pursuant to a Sale Event.
“Section 409A” means Section 409A of the Code and the regulations and other guidance promulgated thereunder.
“Service Relationship” means any relationship as an employee, Non-Employee Director or Consultant of the Company or any Affiliate. Unless as otherwise set forth in the Award Agreement, a Service Relationship shall be deemed to continue without interruption in the event a grantee’s status changes from full-time employee to part-time employee or a grantee’s status changes from employee to Consultant or Non-Employee Director or vice versa, provided that there is no interruption or other termination of Service Relationship in connection with the grantee’s change in capacity.
“Stock” means the Class A Common Stock, par value $0.0001 per share, of the Company, subject to adjustments pursuant to Section 3.
“Stock Appreciation Right” means an Award entitling the recipient to receive shares of Stock (or cash, to the extent explicitly provided for in the applicable Award Agreement) having a value equal to the excess of the Fair Market Value of the Stock on the date of exercise over the exercise price of the Stock Appreciation Right multiplied by the number of shares of Stock with respect to which the Stock Appreciation Right shall have been exercised.
“Subsidiary” means any corporation or other entity (other than the Company) in which the Company has at least a 50 percent interest, either directly or indirectly.

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“Ten Percent Owner” means an employee who owns or is deemed to own (by reason of the attribution rules of Section 424(d) of the Code) more than 10 percent of the combined voting power of all classes of stock of the Company or any parent or subsidiary corporation.
“Unrestricted Stock Award” means an Award of shares of Stock free of any restrictions.
SECTION 2.
ADMINISTRATION OF PLAN; ADMINISTRATOR AUTHORITY TO SELECT GRANTEES AND DETERMINE AWARDS
(a)      Administration of Plan . The Plan shall be administered by the Administrator.
(b)      Powers of Administrator . The Administrator shall have the power and authority to grant Awards consistent with the terms of the Plan, including the power and authority:
(i)      to select the individuals to whom Awards may from time to time be granted;
(ii)      to determine the time or times of grant, and the extent, if any, of Incentive Stock Options, Non-Qualified Stock Options, Stock Appreciation Rights, Restricted Stock Awards, Restricted Stock Units, Unrestricted Stock Awards, Cash-Based Awards, and Dividend Equivalent Rights, or any combination of the foregoing, granted to any one or more grantees;
(iii)      to determine the number of shares of Stock to be covered by any Award;
(iv)      to determine and modify from time to time the terms and conditions, including restrictions, not inconsistent with the terms of the Plan, of any Award, which terms and conditions may differ among individual Awards and grantees, and to approve the forms of Award Agreements;
(v)      to accelerate at any time the exercisability or vesting of all or any portion of any Award;
(vi)      subject to the provisions of Section 5(c), to extend at any time the period in which Stock Options may be exercised; and
(vii)      at any time to adopt, alter and repeal such rules, guidelines and practices for administration of the Plan and for its own acts and proceedings as it shall deem advisable; to interpret the terms and provisions of the Plan and any Award (including related written instruments); to make all determinations it deems advisable for the administration of the Plan; to decide all disputes arising in connection with the Plan; and to otherwise supervise the administration of the Plan.
All decisions and interpretations of the Administrator shall be binding on all persons, including the Company and Plan grantees.
(c)      Delegation of Authority to Grant Awards . Subject to applicable law, the Administrator, in its discretion, may delegate to a committee consisting of one or more officers

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of the Company all or part of the Administrator’s authority and duties with respect to the granting of Awards to individuals who are (i) not subject to the reporting and other provisions of Section 16 of the Exchange Act and (ii) not members of the delegated committee. Any such delegation by the Administrator shall include a limitation as to the amount of Stock underlying Awards that may be granted during the period of the delegation and shall contain guidelines as to the determination of the exercise price and the vesting criteria. The Administrator may revoke or amend the terms of a delegation at any time but such action shall not invalidate any prior actions of the Administrator’s delegate or delegates that were consistent with the terms of the Plan.
(d)      Award Agreement . Awards under the Plan shall be evidenced by Award Agreements that set forth the terms, conditions and limitations for each Award which may include, without limitation, the term of an Award and the provisions applicable in the event the Service Relationship terminates.
(e)      Indemnification . Neither the Board nor the Administrator, nor any member of either or any delegate thereof, shall be liable for any act, omission, interpretation, construction or determination made in good faith in connection with the Plan, and the members of the Board and the Administrator (and any delegate thereof) shall be entitled in all cases to indemnification and reimbursement by the Company in respect of any claim, loss, damage or expense (including, without limitation, reasonable attorneys’ fees) arising or resulting therefrom to the fullest extent permitted by law and/or under the Company’s articles or bylaws or any directors’ and officers’ liability insurance coverage which may be in effect from time to time and/or any indemnification agreement between such individual and the Company.
(f)      Non-U.S. Award Recipients . Notwithstanding any provision of the Plan to the contrary, in order to comply with the laws in other countries in which the Company and its Affiliates operate or have employees or other individuals eligible for Awards, the Administrator, in its sole discretion, shall have the power and authority to: (i) determine which Affiliates shall be covered by the Plan; (ii) determine which individuals outside the United States are eligible to participate in the Plan; (iii) modify the terms and conditions of any Award granted to individuals outside the United States to comply with applicable laws; (iv) establish subplans and modify exercise procedures and other terms and procedures, to the extent the Administrator determines such actions to be necessary or advisable (and such subplans and/or modifications shall be incorporated into and made part of this Plan); provided, however, that no such subplans and/or modifications shall increase the share limitations contained in Section 3(a) hereof; and (v) take any action, before or after an Award is made, that the Administrator determines to be necessary or advisable to obtain approval or comply with any local governmental regulatory exemptions or approvals. Notwithstanding the foregoing, the Administrator may not take any actions hereunder, and no Awards shall be granted, that would violate the Exchange Act or any other applicable United States securities law, the Code, or any other applicable United States governing statute or law.
SECTION 3.
STOCK ISSUABLE UNDER THE PLAN; MERGERS; SUBSTITUTION
(a)      Stock Issuable . The maximum number of shares of Stock reserved and available for issuance under the Plan shall be 60,200,000 shares (the “Initial Limit”), subject to adjustment

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as provided in this Section 3(c), plus on February 1, 2020 and on each February 1 thereafter, the number of shares of Stock reserved and available for issuance under the Plan shall be cumulatively increased by 5 percent of the number of shares of Class A and Class B common stock issued and outstanding on the immediately preceding January 31, or such lesser number of shares as approved by the Administrator (the “Annual Increase”). Subject to such overall limitation, the maximum aggregate number of shares of Stock that may be issued in the form of Incentive Stock Options shall not exceed the Initial Limit cumulatively increased on February 1, 2020 and on each February 1 thereafter by the lesser of the Annual Increase for such year or 12,040,000 shares of Stock, subject in all cases to adjustment as provided in Section 3(c). For purposes of this limitation, the shares of Stock underlying any awards under the Plan and the shares of Class B common stock of the Company underlying any awards under the Company’s 2009 Stock Plan, as amended that are forfeited, canceled, held back upon exercise of an Option or settlement of an Award to cover the exercise price or tax withholding, reacquired by the Company prior to vesting, satisfied without the issuance of Stock or otherwise terminated (other than by exercise) shall be added back to the shares of Stock available for issuance under the Plan (provided, that any such shares of Class B common stock of the Company shall first be converted to shares of Class A common stock of the Company). In the event the Company repurchases shares of Stock on the open market, such shares shall not be added to the shares of Stock available for issuance under the Plan. Subject to such overall limitations, shares of Stock may be issued up to such maximum number pursuant to any type or types of Award. The shares available for issuance under the Plan may be authorized but unissued shares of Stock or shares of Stock reacquired by the Company.
(b)      Maximum Awards to Non-Employee Directors . Notwithstanding anything to the contrary in this Plan, the value of all Awards awarded under this Plan and all other cash compensation paid by the Company to any Non-Employee Director in any calendar year shall not exceed $1,000,000. For the purpose of this limitation, the value of any Award shall be its grant date fair value, as determined in accordance with ASC 718 or successor provision but excluding the impact of estimated forfeitures related to service-based vesting provisions.
(c)      Changes in Stock . Subject to Section 3(d) hereof, if, as a result of any reorganization, recapitalization, reclassification, stock dividend, stock split, reverse stock split or other similar change in the Company’s capital stock, the outstanding shares of Stock are increased or decreased or are exchanged for a different number or kind of shares or other securities of the Company, or additional shares or new or different shares or other securities of the Company or other non-cash assets are distributed with respect to such shares of Stock or other securities, or, if, as a result of any merger or consolidation, sale of all or substantially all of the assets of the Company, the outstanding shares of Stock are converted into or exchanged for securities of the Company or any successor entity (or a parent or subsidiary thereof), the Administrator shall make an appropriate or proportionate adjustment in (i) the maximum number of shares reserved for issuance under the Plan, including the maximum number of shares that may be issued in the form of Incentive Stock Options, (ii) the number and kind of shares or other securities subject to any then outstanding Awards under the Plan, (iii) the repurchase price, if any, per share subject to each outstanding Restricted Stock Award, and (iv) the exercise price for each share subject to any then outstanding Stock Options and Stock Appreciation Rights under the

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Plan, without changing the aggregate exercise price (i.e., the exercise price multiplied by the number of shares subject to Stock Options and Stock Appreciation Rights) as to which such Stock Options and Stock Appreciation Rights remain exercisable. The Administrator shall also make equitable or proportionate adjustments in the number of shares subject to outstanding Awards and the exercise price and the terms of outstanding Awards to take into consideration cash dividends paid other than in the ordinary course or any other extraordinary corporate event. The adjustment by the Administrator shall be final, binding and conclusive. No fractional shares of Stock shall be issued under the Plan resulting from any such adjustment, but the Administrator in its discretion may make a cash payment in lieu of fractional shares.
(d)      Mergers and Other Transactions . In the case of and subject to the consummation of a Sale Event, the parties thereto may cause the assumption or continuation of Awards theretofore granted by the successor entity, or the substitution of such Awards with new Awards of the successor entity or parent thereof, with appropriate adjustment as to the number and kind of shares and, if appropriate, the per share exercise prices, as such parties shall agree. To the extent the parties to such Sale Event do not provide for the assumption, continuation or substitution of Awards, upon the effective time of the Sale Event, the Plan and all outstanding Awards granted hereunder shall terminate. In such case, except as may be otherwise provided in the relevant Award Agreement, all Options and Stock Appreciation Rights with time-based vesting conditions or restrictions that are not vested and/or exercisable immediately prior to the effective time of the Sale Event shall become fully vested and exercisable as of the effective time of the Sale Event, all other Awards with time-based vesting, conditions or restrictions shall become fully vested and nonforfeitable as of the effective time of the Sale Event, and all Awards with conditions and restrictions relating to the attainment of performance goals may become vested and nonforfeitable in connection with a Sale Event in the Administrator’s discretion or to the extent specified in the relevant Award Agreement. In the event of such termination, (i) the Company shall have the option (in its sole discretion) to make or provide for a payment, in cash or in kind, to the grantees holding Options and Stock Appreciation Rights, in exchange for the cancellation thereof, in an amount equal to the difference between (A) the Sale Price multiplied by the number of shares of Stock subject to outstanding Options and Stock Appreciation Rights (to the extent then exercisable at prices not in excess of the Sale Price) and (B) the aggregate exercise price of all such outstanding Options and Stock Appreciation Rights (provided that, in the case of an Option or Stock Appreciation Right with an exercise price equal to or less than the Sale Price, such Option or Stock Appreciation Right shall be cancelled for no consideration); or (ii) each grantee shall be permitted, within a specified period of time prior to the consummation of the Sale Event as determined by the Administrator, to exercise all outstanding Options and Stock Appreciation Rights (to the extent then exercisable) held by such grantee. The Company shall also have the option (in its sole discretion) to make or provide for a payment, in cash or in kind, to the grantees holding other Awards in an amount equal to the Sale Price multiplied by the number of vested shares of Stock under such Awards.
SECTION 4.
ELIGIBILITY
Grantees under the Plan will be such employees, Non-Employee Directors or Consultants of the Company and its Affiliates as are selected from time to time by the Administrator in its

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sole discretion; provided that Awards may not be granted to employees, Non-Employee Directors or Consultants who are providing services only to any “parent” of the Company, as such term is defined in Rule 405 of the Act, unless (i) the stock underlying the Awards is treated as “service recipient stock” under Section 409A or (ii) the Company has determined that such Awards are exempt from or otherwise comply with Section 409A.
SECTION 5.
STOCK OPTIONS
(a)      Award of Stock Options . The Administrator may grant Stock Options under the Plan. Any Stock Option granted under the Plan shall be in such form as the Administrator may from time to time approve.
Stock Options granted under the Plan may be either Incentive Stock Options or Non-Qualified Stock Options. Incentive Stock Options may be granted only to employees of the Company or any Subsidiary that is a “subsidiary corporation” within the meaning of Section 424(f) of the Code. To the extent that any Option does not qualify as an Incentive Stock Option, it shall be deemed a Non-Qualified Stock Option.
Stock Options granted pursuant to this Section 5 shall be subject to the following terms and conditions and shall contain such additional terms and conditions, not inconsistent with the terms of the Plan, as the Administrator shall deem desirable. If the Administrator so determines, Stock Options may be granted in lieu of cash compensation at the optionee’s election, subject to such terms and conditions as the Administrator may establish.
(b)      Exercise Price . The exercise price per share for the Stock covered by a Stock Option granted pursuant to this Section 5 shall be determined by the Administrator at the time of grant but shall not be less than 100 percent of the Fair Market Value on the date of grant. In the case of an Incentive Stock Option that is granted to a Ten Percent Owner, the exercise price of such Incentive Stock Option shall be not less than 110 percent of the Fair Market Value on the grant date. Notwithstanding the foregoing, Stock Options may be granted with an exercise price per share that is less than 100 percent of the Fair Market Value on the date of grant (i) pursuant to a transaction described in, and in a manner consistent with, Section 424(a) of the Code, (ii) to individuals who are not subject to U.S. income tax on the date of grant or (iii) if the Stock Option is otherwise compliant with Section 409A.
(c)      Option Term . The term of each Stock Option shall be fixed by the Administrator, but no Stock Option shall be exercisable more than ten years after the date the Stock Option is granted. In the case of an Incentive Stock Option that is granted to a Ten Percent Owner, the term of such Stock Option shall be no more than five years from the date of grant.
(d)      Exercisability; Rights of a Stockholder . Stock Options shall become exercisable at such time or times, whether or not in installments, as shall be determined by the Administrator at or after the date of grant. The Administrator may at any time accelerate the exercisability of all or any portion of any Stock Option. An optionee shall have the rights of a stockholder only as to shares acquired upon the exercise of a Stock Option and not as to unexercised Stock Options.

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(e)      Method of Exercise . Stock Options may be exercised in whole or in part, by giving written or electronic notice of exercise to the Company, specifying the number of shares to be purchased. Payment of the purchase price may be made by one or more of the following methods except to the extent otherwise provided in the Option Award Agreement:
(i)      In cash, by certified or bank check or other instrument acceptable to the Administrator;
(ii)      Through the delivery (or attestation to the ownership following such procedures as the Company may prescribe) of shares of Stock that are not then subject to restrictions under any Company plan. Such surrendered shares shall be valued at Fair Market Value on the exercise date;
(iii)      By the optionee delivering to the Company a properly executed exercise notice together with irrevocable instructions to a broker to promptly deliver to the Company cash or a check payable and acceptable to the Company for the purchase price; provided that in the event the optionee chooses to pay the purchase price as so provided, the optionee and the broker shall comply with such procedures and enter into such agreements of indemnity and other agreements as the Company shall prescribe as a condition of such payment procedure; or
(iv)      With respect to Stock Options that are not Incentive Stock Options, by a “net exercise” arrangement pursuant to which the Company will reduce the number of shares of Stock issuable upon exercise by the largest whole number of shares with a Fair Market Value that does not exceed the aggregate exercise price.
Payment instruments will be received subject to collection. The transfer to the optionee on the records of the Company or of the transfer agent of the shares of Stock to be purchased pursuant to the exercise of a Stock Option will be contingent upon receipt from the optionee (or a purchaser acting in his stead in accordance with the provisions of the Stock Option) by the Company of the full purchase price for such shares and the fulfillment of any other requirements contained in the Option Award Agreement or applicable provisions of laws (including the satisfaction of any taxes that the Company or an Affiliate is obligated to withhold with respect to the optionee). In the event an optionee chooses to pay the purchase price by previously-owned shares of Stock through the attestation method, the number of shares of Stock transferred to the optionee upon the exercise of the Stock Option shall be net of the number of attested shares. In the event that the Company establishes, for itself or using the services of a third party, an automated system for the exercise of Stock Options, such as a system using an internet website or interactive voice response, then the paperless exercise of Stock Options may be permitted through the use of such an automated system.
(f)      Annual Limit on Incentive Stock Options . To the extent required for “incentive stock option” treatment under Section 422 of the Code, the aggregate Fair Market Value (determined as of the time of grant) of the shares of Stock with respect to which Incentive Stock Options granted under this Plan and any other plan of the Company or its parent and subsidiary corporations become exercisable for the first time by an optionee during any calendar year shall

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not exceed $100,000. To the extent that any Stock Option exceeds this limit, it shall constitute a Non-Qualified Stock Option.
SECTION 6.
STOCK APPRECIATION RIGHTS
(a)      Award of Stock Appreciation Rights . The Administrator may grant Stock Appreciation Rights under the Plan. A Stock Appreciation Right is an Award entitling the recipient to receive shares of Stock (or cash, to the extent explicitly provided for in the applicable Award Agreement) having a value equal to the excess of the Fair Market Value of a share of Stock on the date of exercise over the exercise price of the Stock Appreciation Right multiplied by the number of shares of Stock with respect to which the Stock Appreciation Right shall have been exercised.
(b)      Exercise Price of Stock Appreciation Rights . The exercise price of a Stock Appreciation Right shall not be less than 100 percent of the Fair Market Value of the Stock on the date of grant.
(c)      Grant and Exercise of Stock Appreciation Rights . Stock Appreciation Rights may be granted by the Administrator independently of any Stock Option granted pursuant to Section 5 of the Plan.
(d)      Terms and Conditions of Stock Appreciation Rights . Stock Appreciation Rights shall be subject to such terms and conditions as shall be determined on the date of grant by the Administrator. The term of a Stock Appreciation Right may not exceed ten years. The terms and conditions of each such Award shall be determined by the Administrator, and such terms and conditions may differ among individual Awards and grantees.
SECTION 7.
RESTRICTED STOCK AWARDS
(a)      Nature of Restricted Stock Awards . The Administrator may grant Restricted Stock Awards under the Plan. A Restricted Stock Award is any Award of Restricted Shares subject to such restrictions and conditions as the Administrator may determine at the time of grant. Conditions may be based on continuing employment (or other Service Relationship) and/or achievement of pre-established performance goals and objectives.
(b)      Rights as a Stockholder . Upon the grant of the Restricted Stock Award and payment of any applicable purchase price, a grantee shall have the rights of a stockholder with respect to the voting of the Restricted Shares and receipt of dividends; provided that if the lapse of restrictions with respect to the Restricted Stock Award is tied to the attainment of performance goals, any dividends paid by the Company during the performance period shall accrue and shall not be paid to the grantee until and to the extent the performance goals are met with respect to the Restricted Stock Award. Unless the Administrator shall otherwise determine, (i) uncertificated Restricted Shares shall be accompanied by a notation on the records of the Company or the transfer agent to the effect that they are subject to forfeiture until such Restricted Shares are vested as provided in Section 7(d) below, and (ii) certificated Restricted Shares shall remain in the possession of the Company until such Restricted Shares are vested as provided in

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Section 7(d) below, and the grantee shall be required, as a condition of the grant, to deliver to the Company such instruments of transfer as the Administrator may prescribe.
(c)      Restrictions . Restricted Shares may not be sold, assigned, transferred, pledged or otherwise encumbered or disposed of except as specifically provided herein or in the Restricted Stock Award Agreement. Except as may otherwise be provided by the Administrator either in the Award Agreement or, subject to Section 15 below, in writing after the Award is issued, if a grantee’s employment (or other Service Relationship) with the Company and its Affiliates terminates for any reason, any Restricted Shares that have not vested at the time of termination shall automatically and without any requirement of notice to such grantee from or other action by or on behalf of, the Company be deemed to have been reacquired by the Company at its original purchase price (if any) from such grantee or such grantee’s legal representative simultaneously with such termination of employment (or other Service Relationship), and thereafter shall cease to represent any ownership of the Company by the grantee or rights of the grantee as a stockholder. Following such deemed reacquisition of Restricted Shares that are represented by physical certificates, a grantee shall surrender such certificates to the Company upon request without consideration.
(d)      Vesting of Restricted Shares . The Administrator at the time of grant shall specify the date or dates and/or the attainment of pre-established performance goals, objectives and other conditions on which the non-transferability of the Restricted Shares and the Company’s right of repurchase or forfeiture shall lapse. Subsequent to such date or dates and/or the attainment of such pre-established performance goals, objectives and other conditions, the shares on which all restrictions have lapsed shall no longer be Restricted Shares and shall be deemed “vested.”
SECTION 8.
RESTRICTED STOCK UNITS
(a)      Nature of Restricted Stock Units . The Administrator may grant Restricted Stock Units under the Plan. A Restricted Stock Unit is an Award of stock units that may be settled in shares of Stock (or cash, to the extent explicitly provided for in the Award Agreement) upon the satisfaction of such restrictions and conditions at the time of grant. Conditions may be based on continuing employment (or other Service Relationship) and/or achievement of pre-established performance goals and objectives. The terms and conditions of each such Award shall be determined by the Administrator, and such terms and conditions may differ among individual Awards and grantees. Except in the case of Restricted Stock Units with a deferred settlement date that complies with Section 409A, at the end of the vesting period, the Restricted Stock Units, to the extent vested, shall be settled in the form of shares of Stock. Restricted Stock Units with deferred settlement dates are subject to Section 409A and shall contain such additional terms and conditions as the Administrator shall determine in its sole discretion in order to comply with the requirements of Section 409A.
(b)      Election to Receive Restricted Stock Units in Lieu of Compensation . The Administrator may, in its sole discretion, permit a grantee to elect to receive a portion of future cash compensation otherwise due to such grantee in the form of an award of Restricted Stock Units. Any such election shall be made in writing and shall be delivered to the Company no later than the date specified by the Administrator and in accordance with Section 409A and such other

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rules and procedures established by the Administrator. Any such future cash compensation that the grantee elects to defer shall be converted to a fixed number of Restricted Stock Units based on the Fair Market Value of Stock on the date the compensation would otherwise have been paid to the grantee if such payment had not been deferred as provided herein. The Administrator shall have the sole right to determine whether and under what circumstances to permit such elections and to impose such limitations and other terms and conditions thereon as the Administrator deems appropriate. Any Restricted Stock Units that are elected to be received in lieu of cash compensation shall be fully vested, unless otherwise provided in the Award Agreement.
(c)      Rights as a Stockholder . A grantee shall have the rights as a stockholder only as to shares of Stock acquired by the grantee upon settlement of Restricted Stock Units; provided, however, that the grantee may be credited with Dividend Equivalent Rights with respect to the stock units underlying his or her Restricted Stock Units, subject to the provisions of Section 11 and such terms and conditions as the Administrator may determine.
(d)      Termination . Except as may otherwise be provided by the Administrator either in the Award Agreement or, subject to Section 15 below, in writing after the Award is issued, a grantee’s right in all Restricted Stock Units that have not vested shall automatically terminate upon the grantee’s termination of employment (or cessation of Service Relationship) with the Company and its Affiliates for any reason.
SECTION 9.
UNRESTRICTED STOCK AWARDS
Grant or Sale of Unrestricted Stock . The Administrator may grant (or sell at par value or such higher purchase price determined by the Administrator) an Unrestricted Stock Award under the Plan. An Unrestricted Stock Award is an Award pursuant to which the grantee may receive shares of Stock free of any restrictions under the Plan. Unrestricted Stock Awards may be granted in respect of past services or other valid consideration, or in lieu of cash compensation due to such grantee.
SECTION 10.
CASH-BASED AWARDS
Grant of Cash-Based Awards . The Administrator may grant Cash-Based Awards under the Plan. A Cash-Based Award is an Award that entitles the grantee to a payment in cash upon the attainment of specified performance goals, including continued employment (or other Service Relationship). The Administrator shall determine the maximum duration of the Cash-Based Award, the amount of cash to which the Cash-Based Award pertains, the conditions upon which the Cash-Based Award shall become vested or payable, and such other provisions as the Administrator shall determine. Each Cash-Based Award shall specify a cash-denominated payment amount, formula or payment ranges as determined by the Administrator. Payment, if any, with respect to a Cash-Based Award shall be made in accordance with the terms of the Award and may be made in cash.

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SECTION 11.
DIVIDEND EQUIVALENT RIGHTS
(a)      Dividend Equivalent Rights . The Administrator may grant Dividend Equivalent Rights under the Plan. A Dividend Equivalent Right is an Award entitling the grantee to receive credits based on cash dividends that would have been paid on the shares of Stock specified in the Dividend Equivalent Right (or other Award to which it relates) if such shares had been issued to the grantee. A Dividend Equivalent Right may be granted hereunder to any grantee as a component of an award of Restricted Stock Units or as a freestanding award. The terms and conditions of Dividend Equivalent Rights shall be specified in the Award Agreement. Dividend equivalents credited to the holder of a Dividend Equivalent Right may be paid currently or may be deemed to be reinvested in additional shares of Stock, which may thereafter accrue additional equivalents. Any such reinvestment shall be at Fair Market Value on the date of reinvestment or such other price as may then apply under a dividend reinvestment plan sponsored by the Company, if any. Dividend Equivalent Rights may be settled in cash or shares of Stock or a combination thereof, in a single installment or installments. A Dividend Equivalent Right granted as a component of an Award of Restricted Stock Units shall provide that such Dividend Equivalent Right shall be settled only upon settlement or payment of, or lapse of restrictions on, such other Award, and that such Dividend Equivalent Right shall expire or be forfeited or annulled under the same conditions as such other Award.
(b)      Termination . Except as may otherwise be provided by the Administrator either in the Award Agreement or, subject to Section 15 below, in writing after the Award is issued, a grantee’s rights in all Dividend Equivalent Rights shall automatically terminate upon the grantee’s termination of employment (or cessation of Service Relationship) with the Company and its Affiliates for any reason.
SECTION 12.
TRANSFERABILITY OF AWARDS
(a)      Transferability . Except as provided in Section 12(b) below, during a grantee’s lifetime, his or her Awards shall be exercisable only by the grantee, or by the grantee’s legal representative or guardian in the event of the grantee’s incapacity. No Awards shall be sold, assigned, transferred or otherwise encumbered or disposed of by a grantee other than by will or by the laws of descent and distribution or pursuant to a domestic relations order. No Awards shall be subject, in whole or in part, to attachment, execution, or levy of any kind, and any purported transfer in violation hereof shall be null and void.
(b)      Administrator Action . Notwithstanding Section 12(a), the Administrator, in its discretion, may provide either in the Award Agreement regarding a given Award or by subsequent written approval that the grantee (who is an employee or Non-Employee Director) may transfer his or her Award to his or her immediate family members, to trusts for the benefit of such family members, or to partnerships in which such family members are the only partners, provided that the transferee agrees in writing with the Company to be bound by all of the terms and conditions of this Plan and the applicable Award Agreement. In no event may an Award be transferred by a grantee for value.

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(c)      Family Member . For purposes of Section 12(b), “family member” shall mean a grantee’s child, stepchild, grandchild, parent, stepparent, grandparent, spouse, former spouse, sibling, niece, nephew, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law, including adoptive relationships, any person sharing the grantee’s household (other than a tenant of the grantee), a trust in which these persons (or the grantee) have more than 50 percent of the beneficial interest, a foundation in which these persons (or the grantee) control the management of assets, and any other entity in which these persons (or the grantee) own more than 50 percent of the voting interests.
(d)      Designation of Beneficiary . To the extent permitted by the Company and valid under applicable law, each grantee to whom an Award has been made under the Plan may designate a beneficiary or beneficiaries to exercise any Award or receive any payment under any Award payable on or after the grantee’s death. Any such designation shall be on a form provided for that purpose by the Administrator and shall not be effective until received by the Administrator. If no beneficiary has been designated by a deceased grantee, or if the designated beneficiaries have predeceased the grantee, the beneficiary shall be the grantee’s estate or legal heirs.
SECTION 13.
TAX WITHHOLDING
(a)      Payment by Grantee . Each grantee shall, no later than the date as of which the value of an Award or of any Stock or other amounts received thereunder first becomes includable in the gross income of the grantee for tax purposes, pay to the Company or any applicable Affiliate, or make arrangements satisfactory to the Administrator regarding payment of, any U.S. and non-U.S. federal, state, or local taxes of any kind required by law to be withheld by the Company or any applicable Affiliate with respect to such income. The Company and its Affiliates shall, to the extent permitted by law, have the right to deduct any such taxes from any payment of any kind otherwise due to the grantee or to satisfy any applicable withholding obligations by any other method of withholding that the Company and its Affiliates deem appropriate. The Company’s obligation to deliver evidence of book entry (or stock certificates) to any grantee is subject to and conditioned on tax withholding obligations being satisfied by the grantee.
(b)      Payment in Stock . The Administrator may cause any tax withholding obligation of the Company or any applicable Affiliate to be satisfied, in whole or in part, by the Company withholding from shares of Stock to be issued pursuant to any Award a number of shares with an aggregate Fair Market Value (as of the date the withholding is effected) that would satisfy the withholding amount due; provided, however, that the amount withheld does not exceed the maximum statutory rate or such lesser amount as is necessary to avoid liability accounting treatment. The Administrator may also require any tax withholding obligation of the Company or any applicable Affiliate to be satisfied, in whole or in part, by an arrangement whereby a certain number of shares of Stock issued pursuant to any Award are immediately sold and proceeds from such sale are remitted to the Company or any applicable Affiliate in an amount that would satisfy the withholding amount due.

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SECTION 14.
SECTION 409A AWARDS
Awards are intended to be exempt from Section 409A to the greatest extent possible and to otherwise comply with Section 409A. The Plan and all Awards shall be interpreted in accordance with such intent. To the extent that any Award is determined to constitute “nonqualified deferred compensation” within the meaning of Section 409A (a “409A Award”), the Award shall be subject to such additional rules and requirements as specified by the Administrator from time to time in order to comply with Section 409A. In this regard, if any amount under a 409A Award is payable upon a “separation from service” (within the meaning of Section 409A) to a grantee who is then considered a “specified employee” (within the meaning of Section 409A), then no such payment shall be made prior to the date that is the earlier of (i) six months and one day after the grantee’s separation from service, or (ii) the grantee’s death, but only to the extent such delay is necessary to prevent such payment from being subject to interest, penalties and/or additional tax imposed pursuant to Section 409A. Further, the settlement of any 409A Award may not be accelerated except to the extent permitted by Section 409A.
SECTION 15.
TERMINATION OF SERVICE RELATIONSHIP, TRANSFER, LEAVE OF ABSENCE, ETC.
(a)      Termination of Service Relationship . If the grantee’s Service Relationship is with an Affiliate and such Affiliate ceases to be an Affiliate, the grantee shall be deemed to have terminated his or her Service Relationship for purposes of the Plan.
(b)      For purposes of the Plan, the following events shall not be deemed a termination of a Service Relationship:
(i)      a transfer to the Service Relationship of the Company from an Affiliate or from the Company to an Affiliate, or from one Affiliate to another; or
(ii)      an approved leave of absence, if the employee’s right to re-employment is guaranteed either by a statute or by contract or under the policy pursuant to which the leave of absence was granted or if the Administrator otherwise so provides in writing.
SECTION 16.
AMENDMENTS AND TERMINATION
The Board may, at any time, amend or discontinue the Plan and the Administrator may, at any time, amend or cancel any outstanding Award for the purpose of satisfying changes in law or for any other lawful purpose, but no such action shall materially and adversely affect rights under any outstanding Award without the holder’s consent. The Administrator is specifically authorized to exercise its discretion to reduce the exercise price of outstanding Stock Options or Stock Appreciation Rights or effect the repricing of such Awards through cancellation and re-grants without stockholder approval. To the extent required under the rules of any securities exchange or market system on which the Stock is listed, to the extent determined by the Administrator to be required by the Code to ensure that Incentive Stock Options granted under the Plan are qualified under Section 422 of the Code, Plan amendments shall be subject to

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approval by Company stockholders. Nothing in this Section 16 shall limit the Administrator’s authority to take any action permitted pursuant to Section 3(c) or 3(d).
SECTION 17.
STATUS OF PLAN
With respect to the portion of any Award that has not been exercised and any payments in cash, Stock or other consideration not received by a grantee, a grantee shall have no rights greater than those of a general creditor of the Company unless the Administrator shall otherwise expressly determine in connection with any Award or Awards. In its sole discretion, the Administrator may authorize the creation of trusts or other arrangements to meet the Company’s obligations to deliver Stock or make payments with respect to Awards hereunder, provided that the existence of such trusts or other arrangements is consistent with the foregoing sentence.
SECTION 18.
GENERAL PROVISIONS
(a)      No Distribution . The Administrator may require each person acquiring Stock pursuant to an Award to represent to and agree with the Company in writing that such person is acquiring the shares without a view to distribution thereof.
(b)      Issuance of Stock . To the extent certificated, stock certificates to grantees under this Plan shall be deemed delivered for all purposes when the Company or a stock transfer agent of the Company shall have mailed such certificates in the United States mail, addressed to the grantee, at the grantee’s last known address on file with the Company. Uncertificated Stock shall be deemed delivered for all purposes when the Company or a Stock transfer agent of the Company shall have given to the grantee by electronic mail (with proof of receipt) or by United States mail, addressed to the grantee, at the grantee’s last known address on file with the Company, notice of issuance and recorded the issuance in its records (which may include electronic “book entry” records). Notwithstanding anything herein to the contrary, the Company shall not be required to issue or deliver any evidence of book entry or certificates evidencing shares of Stock pursuant to the exercise or settlement of any Award, unless and until the Administrator has determined, with advice of counsel (to the extent the Administrator deems such advice necessary or advisable), that the issuance and delivery is in compliance with all applicable laws, regulations of governmental authorities and, if applicable, the requirements of any exchange on which the shares of Stock are listed, quoted or traded. Any Stock issued pursuant to the Plan shall be subject to any stop-transfer orders and other restrictions as the Administrator deems necessary or advisable to comply with federal, state or foreign jurisdiction, securities or other laws, rules and quotation system on which the Stock is listed, quoted or traded. The Administrator may place legends on any Stock certificate or notations on any book entry to reference restrictions applicable to the Stock. In addition to the terms and conditions provided herein, the Administrator may require that an individual make such reasonable covenants, agreements, and representations as the Administrator, in its discretion, deems necessary or advisable in order to comply with any such laws, regulations, or requirements. The Administrator shall have the right to require any individual to comply with any timing or other restrictions with respect to the settlement or exercise of any Award, including a window-period limitation, as may be imposed in the discretion of the Administrator.

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(c)      Stockholder Rights . Until Stock is deemed delivered in accordance with Section 18(b), no right to vote or receive dividends or any other rights of a stockholder will exist with respect to shares of Stock to be issued in connection with an Award, notwithstanding the exercise of a Stock Option or any other action by the grantee with respect to an Award.
(d)      Other Incentive Arrangements; No Rights To Continued Service Relationship . Nothing contained in this Plan shall prevent the Board from adopting other or additional incentive arrangements, including trusts, and such arrangements may be either generally applicable or applicable only in specific cases. The adoption of this Plan and the grant of Awards do not confer upon any grantee any right to continued employment or other Service Relationship with the Company or any Affiliate.
(e)      Trading Policy Restrictions . Option exercises and other Awards under the Plan shall be subject to the Company’s insider trading policies and procedures, as in effect from time to time.
(f)      Clawback Policy . Awards under the Plan shall be subject to the Company’s clawback policy, as in effect from time to time.
SECTION 19.
EFFECTIVE DATE OF PLAN
This Plan shall become effective upon the date immediately preceding the Registration Date subject to prior stockholder approval in accordance with applicable state law, the Company’s bylaws and certificate of incorporation, and applicable stock exchange rules. No grants of Awards may be made hereunder after the tenth anniversary of the Effective Date and no grants of Incentive Stock Options may be made hereunder after the tenth anniversary of the date the Plan is approved by the Board.
SECTION 20.
GOVERNING LAW
This Plan and all Awards and actions taken thereunder shall be governed by, and construed in accordance with the General Corporation Law of the State of Delaware as to matters within the scope thereof, and as to all other matters shall be governed by and construed in accordance with the internal laws of the State of California applied without regard to conflict of law principles.
DATE APPROVED BY BOARD OF DIRECTORS: April 22, 2019
DATE APPROVED BY STOCKHOLDERS: May 9, 2019

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INCENTIVE STOCK OPTION AGREEMENT
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Name of Optionee:
 
 
 
 
 
 
No. of Option Shares:
 
 
 
 
 
 
 
Option Exercise Price per Share:
$
 
 
 
[FMV on Grant Date] (110% of FMV if a 10% owner)]
 
 
 
 
Grant Date:
 
 
 
 
 
 
 
Expiration Date:
 
 
 
 
[up to 10 years (5 if a 10% owner)]
Pursuant to the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan as amended through the date hereof (the “Plan”), Slack Technologies, Inc. (the “Company”) hereby grants to the Optionee named above an option (the “Stock Option”) to purchase on or prior to the Expiration Date specified above all or part of the number of shares of Class A Common Stock, par value $0.0001 per share (the “Stock”), of the Company specified above at the Option Exercise Price per Share specified above subject to the terms and conditions set forth herein and in the Plan.
1.     Exercisability Schedule . No portion of this Stock Option may be exercised until such portion shall have become exercisable. Except as set forth below, and subject to the discretion of the Administrator (as defined in Section 2 of the Plan) to accelerate the exercisability schedule hereunder, this Stock Option shall be exercisable with respect to the following number of Option Shares on the dates indicated so long as the Optionee remains an employee of the Company or a Subsidiary on such dates:
Incremental Number of
Option Shares Exercisable *
Exercisability Date
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
* Max. of $100,000 per yr.



Once exercisable, this Stock Option shall continue to be exercisable at any time or times prior to the close of business on the Expiration Date, subject to the provisions hereof and of the Plan.
2.      Manner of Exercise .
(a)      The Optionee may exercise this Stock Option only in the following manner: from time to time on or prior to the Expiration Date of this Stock Option, the Optionee may give written notice to the Administrator of his or her election to purchase some or all of the Option Shares purchasable at the time of such notice. This notice shall specify the number of Option Shares to be purchased.
Payment of the purchase price for the Option Shares may be made by one or more of the following methods: (i) in cash, by certified or bank check or other instrument acceptable to the Administrator; (ii) through the delivery (or attestation to the ownership) of shares of Stock that have been purchased by the Optionee on the open market or that are beneficially owned by the Optionee and are not then subject to any restrictions under any Company plan and that otherwise satisfy any holding periods as may be required by the Administrator; or (iii) by the Optionee delivering to the Company a properly executed exercise notice together with irrevocable instructions to a broker to promptly deliver to the Company cash or a check payable and acceptable to the Company to pay the option purchase price, provided that in the event the Optionee chooses to pay the option purchase price as so provided, the Optionee and the broker shall comply with such procedures and enter into such agreements of indemnity and other agreements as the Administrator shall prescribe as a condition of such payment procedure; or (iv) a combination of (i), (ii) and (iii) above. Payment instruments will be received subject to collection.
The transfer to the Optionee on the records of the Company or of the transfer agent of the Option Shares will be contingent upon (i) the Company’s receipt from the Optionee of the full purchase price for the Option Shares, as set forth above, (ii) the fulfillment of any other requirements contained herein or in the Plan or in any other agreement or provision of laws, and (iii) the receipt by the Company of any agreement, statement or other evidence that the Company may require to satisfy itself that the issuance of Stock to be purchased pursuant to the exercise of Stock Options under the Plan and any subsequent resale of the shares of Stock will be in compliance with applicable laws and regulations. In the event the Optionee chooses to pay the purchase price by previously-owned shares of Stock through the attestation method, the number of shares of Stock transferred to the Optionee upon the exercise of the Stock Option shall be net of the Shares attested to.
(b)      The shares of Stock purchased upon exercise of this Stock Option shall be transferred to the Optionee on the records of the Company or of the transfer agent upon compliance to the satisfaction of the Administrator with all requirements under applicable laws or regulations in connection with such transfer and with the requirements hereof and of the Plan. The determination of the Administrator as to such compliance shall be final and binding on the Optionee. The Optionee shall not be deemed to be the holder of, or to have any of the rights of a holder with respect to, any shares of Stock subject to this Stock Option unless and until this

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Stock Option shall have been exercised pursuant to the terms hereof, the Company or the transfer agent shall have transferred the shares to the Optionee, and the Optionee’s name shall have been entered as the stockholder of record on the books of the Company. Thereupon, the Optionee shall have full voting, dividend and other ownership rights with respect to such shares of Stock.
(c)      The minimum number of shares with respect to which this Stock Option may be exercised at any one time shall be 100 shares, unless the number of shares with respect to which this Stock Option is being exercised is the total number of shares subject to exercise under this Stock Option at the time.
(d)      Notwithstanding any other provision hereof or of the Plan, no portion of this Stock Option shall be exercisable after the Expiration Date hereof.
3.      Termination of Employment . If the Optionee’s employment by the Company or a Subsidiary (as defined in the Plan) is terminated, the period within which to exercise the Stock Option may be subject to earlier termination as set forth below.
(a)      Termination Due to Death . If the Optionee’s employment terminates by reason of the Optionee’s death, any portion of this Stock Option outstanding on such date, to the extent exercisable on the date of death, may thereafter be exercised by the Optionee’s legal representative or legatee for a period of 12 months from the date of death or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of death shall terminate immediately and be of no further force or effect.
(b)      Termination Due to Disability . If the Optionee’s employment terminates by reason of the Optionee’s disability (as determined by the Administrator), any portion of this Stock Option outstanding on such date, to the extent exercisable on the date of such termination of employment, may thereafter be exercised by the Optionee for a period of 12 months from the date of disability or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of disability shall terminate immediately and be of no further force or effect.
(c)      Termination for Cause . If the Optionee’s employment terminates for Cause, any portion of this Stock Option outstanding on such date shall terminate immediately and be of no further force and effect. For purposes hereof, “Cause” shall mean, unless otherwise provided in an employment agreement between the Company and the Optionee, a determination by the Administrator that the Optionee shall be dismissed as a result of (i) any material breach by the Optionee of any agreement between the Optionee and the Company; (ii) the conviction of, indictment for or plea of nolo contendere by the Optionee to a felony or a crime involving moral turpitude; or (iii) any material misconduct or willful and deliberate non-performance (other than by reason of disability) by the Optionee of the Optionee’s duties to the Company.
(d)      Other Termination . If the Optionee’s employment terminates for any reason other than the Optionee’s death, the Optionee’s disability, or Cause, and unless otherwise determined by the Administrator, any portion of this Stock Option outstanding on such date may be exercised, to the extent exercisable on the date of termination, for a period of three months

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from the date of termination or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of termination shall terminate immediately and be of no further force or effect.
The Administrator’s determination of the reason for termination of the Optionee’s employment shall be conclusive and binding on the Optionee and his or her representatives or legatees.
4.      Incorporation of Plan . Notwithstanding anything herein to the contrary, this Stock Option shall be subject to and governed by all the terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.
5.      Transferability . This Agreement is personal to the Optionee, is non-assignable and is not transferable in any manner, by operation of law or otherwise, other than by will or the laws of descent and distribution. This Stock Option is exercisable, during the Optionee’s lifetime, only by the Optionee, and thereafter, only by the Optionee’s legal representative or legatee.
6.      Status of the Stock Option . This Stock Option is intended to qualify as an “incentive stock option” under Section 422 of the Internal Revenue Code of 1986, as amended (the “Code”), but the Company does not represent or warrant that this Stock Option qualifies as such. The Optionee should consult with his or her own tax advisors regarding the tax effects of this Stock Option and the requirements necessary to obtain favorable income tax treatment under Section 422 of the Code, including, but not limited to, holding period requirements. To the extent any portion of this Stock Option does not so qualify as an “incentive stock option,” such portion shall be deemed to be a non-qualified stock option. If the Optionee intends to dispose or does dispose (whether by sale, gift, transfer or otherwise) of any Option Shares within the one-year period beginning on the date after the transfer of such shares to him or her, or within the two-year period beginning on the day after the grant of this Stock Option, he or she will so notify the Company within 30 days after such disposition.
7.      Tax Withholding . The Optionee shall, not later than the date as of which the exercise of this Stock Option becomes a taxable event for Federal income tax purposes, pay to the Company or make arrangements satisfactory to the Administrator for payment of any Federal, state, and local taxes required by law to be withheld on account of such taxable event. The Company shall have the authority to cause the required tax withholding obligation to be satisfied, in whole or in part, by (i) withholding from shares of Stock to be issued to the Optionee a number of shares of Stock with an aggregate Fair Market Value that would satisfy the minimum withholding amount due ; or (ii) causing its transfer agent to sell from the number of shares of Stock to be issued to the Optionee, the number of shares of Stock necessary to satisfy the Federal, state and local taxes required by law to be withheld from the Optionee on account of such transfer.

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8.      No Obligation to Continue Employment . Neither the Company nor any Subsidiary is obligated by or as a result of the Plan or this Agreement to continue the Optionee in employment and neither the Plan nor this Agreement shall interfere in any way with the right of the Company or any Subsidiary to terminate the employment of the Optionee at any time.
9.      Integration . This Agreement constitutes the entire agreement between the parties with respect to this Stock Option and supersedes all prior agreements and discussions between the parties concerning such subject matter.
10.      Data Privacy Consent . In order to administer the Plan and this Agreement and to implement or structure future equity grants, the Company, its subsidiaries and affiliates and certain agents thereof (together, the “Relevant Companies”) may process any and all personal or professional data, including but not limited to Social Security or other identification number, home address and telephone number, date of birth and other information that is necessary or desirable for the administration of the Plan and/or this Agreement (the “Relevant Information”). By entering into this Agreement, the Optionee (i) authorizes the Company to collect, process, register and transfer to the Relevant Companies all Relevant Information; (ii) waives any privacy rights the Optionee may have with respect to the Relevant Information; (iii) authorizes the Relevant Companies to store and transmit such information in electronic form; and (iv) authorizes the transfer of the Relevant Information to any jurisdiction in which the Relevant Companies consider appropriate. The Optionee shall have access to, and the right to change, the Relevant Information. Relevant Information will only be used in accordance with applicable law.
11.      Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall be mailed or delivered by the Company to the Optionee at the address on file with the Company or electronically through the use of an online process such as the Company’s platform or, in either case, at such other address as one party may subsequently furnish to the other party in writing.

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SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
 
 
Title:
The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Optionee (including through an online acceptance process) is acceptable.
Dated:
 
 
 
 
 
 
Optionee’s Signature
 
 
 
 
 
 
 
 
 
 
 
Optionee’s name and address:
 
 
 
 
 
 
 
 
 
 
 
 

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NON-QUALIFIED STOCK OPTION AGREEMENT
FOR NON-U.S. EMPLOYEES
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Name of Optionee:
 
 
 
 
No. of Option Shares:
 
 
 
 
 
Option Exercise Price per Share:
$
 
 
[FMV on Grant Date]
 
 
 
 
Grant Date:
 
 
 
 
 
Expiration Date:
 
 
Pursuant to the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan as amended through the date hereof (the “Plan”), Slack Technologies, Inc. (the “Company”) hereby grants to the Optionee named above an option (the “Stock Option”) to purchase on or prior to the Expiration Date specified above all or part of the number of shares of Class A Common Stock, par value $0.0001 per share (the “Stock”) of the Company specified above at the Option Exercise Price per Share specified above subject to the terms and conditions set forth in this Non-Qualified Stock Option Agreement for Non-U.S. Employees, including any special terms and conditions for the Optionee’s country set forth in the appendix attached hereto (the “Appendix” and, together, the “Agreement”) and in the Plan. This Stock Option is not intended to be an “incentive stock option” under Section 422 of the U.S. Internal Revenue Code of 1986, as amended.



1.     Exercisability Schedule . No portion of this Stock Option may be exercised until such portion shall have become exercisable. Except as set forth below, and subject to the discretion of the Administrator (as defined in Section 2 of the Plan) to accelerate the exercisability schedule hereunder, this Stock Option shall be exercisable with respect to the following number of Option Shares on the dates indicated so long as Optionee remains an employee of the Company or a Subsidiary on such dates:
Incremental Number of
Option Shares Exercisable
Exercisability Date
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
Once exercisable, this Stock Option shall continue to be exercisable at any time or times prior to the close of business on the Expiration Date, subject to the provisions hereof and of the Plan.
2.      Manner of Exercise .
(a)      The Optionee may exercise this Stock Option only in the following manner: from time to time on or prior to the Expiration Date of this Stock Option, the Optionee may give written notice to the Administrator (or such person or entity as the Administrator may designate) of his or her election to purchase some or all of the Option Shares purchasable at the time of such notice. This notice shall specify the number of Option Shares to be purchased.
Payment of the purchase price for the Option Shares may be made by one or more of the following methods: (i) in cash, by certified or bank check or other instrument acceptable to the Administrator; (ii) by the Optionee delivering to the Company (or such person or entity as the Company may designate) a properly executed exercise notice together with irrevocable instructions to a broker to promptly deliver to the Company cash or a check payable and acceptable to the Company to pay the option purchase price, provided that in the event the Optionee chooses to pay the option purchase price as so provided, the Optionee and the broker shall comply with such procedures and enter into such agreements of indemnity and other agreements as the Administrator shall prescribe as a condition of such payment procedure; (iii) by a “net exercise” arrangement pursuant to which the Company will reduce the number of shares of Stock issuable upon exercise by the largest whole number of shares with a Fair Market Value that does not exceed the option purchase price; or (iv) a combination of (i), (ii) and (iii) above. Payment instruments will be received subject to collection.
The transfer to the Optionee on the records of the Company or of the transfer agent of the Option Shares will be contingent upon (i) the Company’s receipt from the Optionee of the full purchase price for the Option Shares, as set forth above, (ii) the fulfillment of any other requirements contained herein or in the Plan or in any other agreement or provision of laws, and

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(iii) the receipt by the Company of any agreement, statement or other evidence that the Company may require to satisfy itself that the issuance of Stock to be purchased pursuant to the exercise of Stock Options under the Plan and any subsequent resale of the shares of Stock will be in compliance with applicable laws and regulations.
(b)      The shares of Stock purchased upon exercise of this Stock Option shall be transferred to the Optionee on the records of the Company or of the transfer agent upon compliance to the satisfaction of the Administrator with all requirements under applicable laws or regulations in connection with such transfer and with the requirements hereof and of the Plan. The determination of the Administrator as to such compliance shall be final and binding on the Optionee. The Optionee shall not be deemed to be the holder of, or to have any of the rights of a holder with respect to, any shares of Stock subject to this Stock Option unless and until this Stock Option shall have been exercised pursuant to the terms hereof, the Company or the transfer agent shall have transferred the shares to the Optionee, and the Optionee’s name shall have been entered as the stockholder of record on the books of the Company. Thereupon, the Optionee shall have full voting, dividend and other ownership rights with respect to such shares of Stock.
(c)      The minimum number of shares of Stock with respect to which this Stock Option may be exercised at any one time shall be 100 shares, unless the number of shares of Stock with respect to which this Stock Option is being exercised is the total number of shares of Stock subject to exercise under this Stock Option at the time.
(d)      Notwithstanding any other provision hereof or of the Plan, no portion of this Stock Option shall be exercisable after the Expiration Date hereof.
3.      Termination of Employment . If the Optionee’s employment with the Company or a Subsidiary is terminated, the period within which to exercise the Stock Option may be subject to earlier termination as set forth below (and if not exercised within such period, shall thereafter terminate subject, in each case, to Section 3(d) of the Plan).
(a)      Termination Due to Death . If the Optionee’s employment terminates by reason of the Optionee’s death, any portion of this Stock Option outstanding on such date, to the extent exercisable on the date of death, may thereafter be exercised by the Optionee’s legal representative or legatee for a period of 12 months from the date of death or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of death shall terminate immediately and be of no further force or effect.
(b)      Termination Due to Disability . If the Optionee’s employment terminates by reason of the Optionee’s disability (as determined by the Administrator), any portion of this Stock Option outstanding on such date, to the extent exercisable on the date of such termination of employment, may thereafter be exercised by the Optionee for a period of 12 months from the date of termination due to disability or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of termination due to disability shall terminate immediately and be of no further force or effect.

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(c)      Termination for Cause . If the Optionee’s employment terminates for Cause, any portion of this Stock Option outstanding on such date shall terminate immediately and be of no further force and effect. For purposes hereof, “Cause” shall mean, unless provided otherwise in any applicable agreement between the Company and the Optionee, a determination by the Administrator that the Optionee shall be dismissed as a result of (i) any material breach by the Optionee of any agreement between the Optionee and the Company or any Subsidiary; (ii) the conviction of, indictment for or plea of nolo contendere by the Optionee to a felony or a crime involving moral turpitude; or (iii) any material misconduct or willful and deliberate non-performance (other than by reason of disability) by the Optionee of the Optionee’s duties to the Company or any Subsidiary.
(d)      Other Termination . If the Optionee’s employment terminates for any reason other than the Optionee’s death, the Optionee’s disability or Cause, and unless otherwise determined by the Administrator, any portion of this Stock Option outstanding on such date may be exercised, to the extent exercisable on the date of termination, for a period of three months from the date of termination or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of termination shall terminate immediately and be of no further force or effect.
For purposes of this Stock Option, the Optionee’s employment will be considered terminated as of the date the Optionee is no longer actively providing services as an employee to the Company or one of its Subsidiaries (regardless of the reason for such termination and whether or not later found to be invalid or in breach of labor laws in the jurisdiction where the Optionee is employed or the terms of the Optionee’s employment agreement, if any), and unless otherwise determined by the Company, the Optionee’s right to vest in the Stock Option, if any, will terminate and the Optionee's right to exercise any vested Stock Option will be measured as of such date and, in either case, will not be extended by any notice period ( e.g. , the Optionee’s period of service would not include any contractual notice period or any period of “garden leave” or similar period mandated under labor laws in the jurisdiction where the Optionee is employed or the terms of the Optionee’s employment agreement, if any). The Administrator shall have the exclusive discretion to determine when the Optionee is no longer actively providing services for purposes of this Stock Option (including whether the Optionee may still be considered to be providing services while on a leave of absence).
The Administrator’s determination of the reason for termination of the Optionee’s employment shall be conclusive and binding on the Optionee and his or her representatives or legatees.
4.      Incorporation of Plan . Notwithstanding anything herein to the contrary, this Stock Option shall be subject to and governed by all the terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.
5.      Transferability . This Agreement is personal to the Optionee, is non-assignable and is not transferable in any manner, by operation of law or otherwise, other than by will or the

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laws of descent and distribution. This Stock Option is exercisable, during the Optionee’s lifetime, only by the Optionee, and thereafter, only by the Optionee’s legal representative or legatee.
6.      Responsibility for Taxes .
(a) The Optionee acknowledges and agrees that, regardless of any action taken by the Company or, if different, the Optionee’s employer (the “Employer”), the ultimate liability for all income tax, social insurance, payroll tax, fringe benefits tax, payment on account or other tax-related items related to the Optionee’s participation in the Plan and legally applicable to the Optionee (“Tax-Related Items”) is and remains the Optionee’s responsibility and may exceed the amount, if any, actually withheld by the Company or the Employer. The Optionee further acknowledges that the Company and/or the Employer (i) make no representations or undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of this Stock Option, including, but not limited to, the grant, vesting or exercise of this Stock Option, the subsequent sale of shares of Stock acquired upon the exercise of this Stock Option and the receipt of any dividends; and (ii) do not commit to and are under no obligation to structure the terms of the grant or any aspect of this Stock Option to reduce or eliminate the Optionee’s liability for Tax-Related Items or achieve any particular tax result. Further, if the Optionee is subject to Tax-Related Items in more than one jurisdiction, the Optionee acknowledges that the Company and/or the Employer (or former employer, as applicable) may be required to withhold or account for Tax-Related Items in more than one jurisdiction.
(b) Prior to the relevant taxable or tax withholding event, as applicable, the Optionee agrees to make adequate arrangements satisfactory to the Company and/or the Employer to satisfy all Tax-Related Items. In this regard, the Optionee authorizes the Company and/or the Employer, or their respective agents, at their discretion, to satisfy any applicable withholding obligations with regard to all Tax-Related Items by one or a combination of the following: (i) withholding from the Optionee’s wages or other compensation paid to the Optionee by the Company or the Employer, (ii) withholding from proceeds of the sale of the shares of Stock acquired upon the exercise of this Stock Option either through a voluntary sale or through a mandatory sale arranged by the Company (on the Optionee’s behalf pursuant to this authorization without further consent), (iii) withholding from the shares of Stock otherwise issuable at exercise of this Stock Option, or (iv) any method determined by the Administrator to be in compliance with applicable laws.
The Company and/or the Employer may withhold or account for Tax-Related Items by considering minimum statutory withholding rates or other applicable withholding rates, including applicable maximum rates in the Optionee’s jurisdiction(s), in which case the Optionee may receive a refund of any over-withheld amount in cash and will have no entitlement to the equivalent in shares of Stock. If the obligation for Tax-Related Items is satisfied by withholding in shares of Stock, for tax purposes, the Optionee is deemed to have been issued the full number of Option Shares subject to the exercised Stock Option, notwithstanding that a number of the Option Shares is held back solely for the purpose of paying the Tax-Related Items.

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(c) The Optionee agrees to pay to the Company or the Employer any amount of Tax-Related Items that the Company or the Employer may be required to withhold or account for as a result of the Optionee’s participation in the Plan that cannot be satisfied by the means previously described. The Company may refuse to issue or deliver the Option Shares or the proceeds of the sale of the Option Shares acquired upon the exercise of this Stock Option, if the Optionee fails to comply with his or her obligations in connection with the Tax-Related Items.
7.      No Obligation to Continue Service Relationship . The grant of the Stock Option shall not be interpreted as forming an employment or service contract with the Company, and shall not be construed as giving the Optionee any right to be retained in the employ of, or otherwise provide services to, the Employer or any other Subsidiary. Neither the Plan nor this Agreement shall interfere in any way with the right of the Employer to terminate the employment of the Optionee at any time.
8.      Integration . This Agreement constitutes the entire agreement between the parties with respect to this Stock Option and supersedes all prior agreements and discussions between the parties concerning such subject matter.
9.      A. Data Privacy Information (Optionees in EEA and UK) . This Section 9A applies to Optionees residing within the European Economic Area and UK. For the avoidance of doubt, this Section does not apply to Optionees residing outside the European Economic Area and UK. The privacy notice annexed to this Agreement (“ Privacy Notice ”) describes how the Company and the Employer collect and process the personal information of Optionees residing in the European Economic Area and UK in the context of this Agreement, the Plan, and the provision of the Stock Option and the Optionee hereby acknowledges the contents of the Privacy Notice. For the avoidance of doubt, the contents of the Privacy Notice are not binding on Optionees in the European Economic Area and UK as contractual obligations and may be updated by the Company and/or the Employer from time to time without recourse to the amendment provisions of this Agreement or the Plan.
B. Data Privacy Information and Consent (Optionees outside EEA and UK) . This Section 9B applies to Optionees residing outside the European Economic Area and UK. For the avoidance of doubt, this Section does not apply to Optionees residing within the European Economic Area and UK:
(i)      Data Collection and Usage. The Company and the Employer collect, process and use certain personal information about the Optionee, including, but not limited to, the Optionee’s name, home address, telephone number, email address, date of birth, social insurance number, passport or other identification number, salary, nationality, job title, any shares of Stock or directorships held in the Company, details of all awards granted under the Plan or any other entitlement to Stock awarded, canceled, exercised, vested, unvested or outstanding in the Optionee’s favor (“Data”), for purposes of implementing, administering and managing the Plan. The legal basis, where required, for the processing of Data is the Optionee’s consent.
(ii)      Stock Plan Administration Service Providers. The Company transfers Data to E*TRADE Financial Corporate Services, Inc. and certain of its affiliates (“E*TRADE”),

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which is assisting the Company with the implementation, administration and management of the Plan. The Company may select a different service provider or additional service providers and share Data with such other provider serving in a similar manner. The Optionee may be asked to agree on separate terms and data processing practices with E*TRADE, with such agreement being a condition to the ability to participate in the Plan.
(iii)      International Data Transfers. The Company and E*TRADE are based in the U.S., which means that it will be necessary for Data to be transferred to, and processed in, the U.S. The Optionee’s country or jurisdiction may have different data privacy laws and protections than the U.S. The Company’s legal basis for the transfer of Data, where required, is the Optionee’s consent.
(iv)      Data Retention. The Company will hold and use Data only as long as is necessary to implement, administer and manage the Optionee’s participation in the Plan, or as required to comply with legal or regulatory obligations, including under tax, exchange control, labor and securities laws. This period may extend beyond the Optionee's period of employment with the Employer. When the Company or the Employer no longer need Data for any of the above purposes, they will cease processing it in this context and remove it from all of their systems used for such purposes to the fullest extent practicable.
(v)      Voluntariness and Consequences of Consent Denial or Withdrawal. Participation in the Plan is voluntary and the Optionee is providing the consents herein on a purely voluntary basis. If the Optionee does not consent, or if the Optionee later seeks to revoke the consent, the Optionee’s salary from or employment with the Employer will not be affected; the only consequence of refusing or withdrawing consent is that the Company would not be able to grant the Stock Option or other awards under the Plan or administer or maintain such awards.
(vi)      Data Subject Rights. The Optionee may have a number of rights under data privacy laws in his or her jurisdiction. Depending on where the Optionee is based, such rights may include the right to (i) request access to or copies of Data the Company processes, (ii) rectify incorrect Data, (iii) delete Data, (iv) restrict the processing of Data, (v) restrict the portability of Data, (vi) lodge complaints with competent authorities in the Optionee’s jurisdiction, and/or (vii) receive a list with the names and addresses of any potential recipients of Data. To receive clarification regarding these rights or to exercise these rights, the Optionee can contact his or her local human resources representative.
Other Legal Basis and Additional Consent. The Optionee understands that the Company may rely on a different legal basis for the collection, processing or transfer of Data in the future and/or request the Optionee to provide another data privacy consent. If applicable, upon request of the Company or the Employer, the Optionee will provide a separate executed data privacy agreement (or any other agreements or consents) that the Company and/or the Employer may deem necessary to obtain from the Optionee for the purpose of administering his or her participation in the Plan in compliance with the data privacy laws in the Optionee’s country, either now or in the future. The Optionee understands and agrees that the Optionee will not be able to participate in the Plan, if the Optionee fails to provide any such agreement requested by the Company and/or the Employer.

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10.      Nature of Grant . In accepting the Stock Option, the Optionee acknowledges, understands, and agrees that:
(a)      the Plan is established voluntarily by the Company, it is discretionary in nature and may be amended, suspended or terminated by the Company at any time, to the extent permitted by the Plan;
(b)      the grant of the Stock Option is exceptional, voluntary and occasional and does not create any contractual or other right to receive future grants of stock options, or benefits in lieu of stock options, even if stock options have been granted in the past;
(c)      all decisions with respect to future Stock Option or other grants, if any, will be at the sole discretion of the Company;
(d)      the Optionee is voluntarily participating in the Plan;
(e)      the Stock Option and any shares of Stock subject to the Stock Option, and the income from and value of same, are not intended to replace any pension rights or compensation;
(f)      unless otherwise agreed with the Company, the Stock Option and the shares of Stock subject to the Stock Option, and the income from and value of same, are not granted as consideration for, or in connection with, the service the Optionee may provide as a director of a Subsidiary;
(g)      the Stock Option and any shares of Stock subject to the Stock Option, and the income from and value of same, are not part of normal or expected compensation for any purpose, including, without limitation, calculating any severance, resignation, termination, redundancy, dismissal, end-of-service payments, bonuses, long-service awards, holiday pay, pension or retirement or welfare benefits or similar mandatory payments;
(h)      the future value of the shares of Stock underlying the Stock Option is unknown, indeterminable, and cannot be predicted with certainty;
(i)      if the underlying shares of Stock subject to the Stock Option do not increase in value, the Stock Option will have no value;
(j)      if Optionee exercises the Stock Option and acquires shares of Stock, the value of such shares of Stock may increase or decrease, even below the Option Exercise Price per Share;
(k)      no claim or entitlement to compensation or damages shall arise from forfeiture of the Stock Option resulting from the termination of the Optionee’s employment (for any reason whatsoever, whether or not later found to be invalid or in breach of labor laws in the jurisdiction where the Optionee is employed or the terms of the Optionee’s employment agreement, if any);

8


(l)      unless otherwise provided in the Plan or by the Company in its discretion, the Stock Option and the benefits evidenced by this Agreement do not create any entitlement to have the Stock Option or any such benefits transferred to, or assumed by, another company nor to be exchanged, cashed out or substituted for, in connection with any corporate transaction affecting the shares of Stock; and
(m)      neither the Company, the Employer nor any other Subsidiary shall be liable for any foreign exchange rate fluctuation between the Optionee’s local currency and the U.S. dollar that may affect the value of the Stock Option or of any amounts due to the Optionee pursuant to the exercise of the Stock Option or the subsequent sale of any shares of Stock acquired upon exercise.
11.      Compliance with Law . Notwithstanding any other provision of the Plan or this Agreement, unless there is an available exemption from any registration, qualification or other legal requirement applicable to the shares of Stock, the Company shall not be required to deliver any shares of Stock issuable upon exercise of the Stock Option prior to the completion of any registration or qualification of the Stock under any U.S. or non-U.S. local, state or federal securities or other applicable law or under rulings or regulations of the U.S. Securities and Exchange Commission (“SEC”) or of any other U.S. or non-U.S. governmental regulatory body, or prior to obtaining any approval or other clearance from any U.S. or non-U.S. local, state or federal governmental agency, which registration, qualification or approval the Company shall, in its absolute discretion, deem necessary or advisable. The Optionee understands that the Company is under no obligation to register or qualify the shares of Stock subject to the Stock Option with the SEC or any U.S. state or non-U.S. securities commission or to seek approval or clearance from any governmental authority for the issuance or sale of the Stock. Further, the Optionee agrees that the Company shall have unilateral authority to amend the Plan and this Agreement without the Optionee’s consent to the extent necessary to comply with securities or other laws applicable to the issuance of the shares of Stock.
12.      Appendix . Notwithstanding any provision in this Non-Qualified Stock Option Agreement for Non-U.S. Employees, this Stock Option shall be subject to any special terms and conditions set forth in the Appendix attached hereto for the Optionee’s country. Moreover, if the Optionee relocates to one of the countries included in the Appendix during the life of the Stock Option, the terms and conditions for such country shall apply to the Optionee, to the extent the Company determines that the application of such terms and conditions is necessary or advisable for legal or administrative reasons. The Appendix constitutes part of this Agreement.
13.      Language . The Optionee acknowledges that he or she is proficient in the English language, or has consulted with an advisor who is sufficiently proficient in English, so as to allow the Optionee to understand the terms and conditions of this Agreement. If the Optionee has received this Agreement, or any other documents related to the Stock Option and/or the Plan translated into a language other than English and if the meaning of the translated version is different than the English version, the English version will control.
14.      Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall be mailed or delivered to the Optionee at the address on file

9


with the Company or, in either case, at such other address as one party may subsequently furnish to the other party in writing.
15.      Waivers . The Optionee acknowledges that a waiver by the Company of breach of any provision of this Agreement shall not operate or be construed as a waiver of any other provision of this Agreement, or of any subsequent breach by the Optionee or any other optionees.
16.      Governing law and Venue . This Agreement shall be governed by, and construed in accordance with, the General Corporation Law of the State of Delaware as to matters within the scope thereof, and as to all other matters shall be governed by and construed in accordance with, the internal laws of the State of California, applied without regard to conflict of law principles. For purposes of litigating any dispute that arises directly or indirectly from the relationship of the parties evidenced by the Stock Option or this Agreement, the parties hereby submit to and consent to the exclusive jurisdiction of the State of California and agree that such litigation shall be conducted only in the courts of San Francisco County, California, or the U.S. District Court for the Northern District of California, where this grant is made and/or to be performed, and no other courts.
17.      Severability . The provisions of this Agreement are severable and if any one or more provisions are determined to be illegal or otherwise unenforceable, in whole or in part, the remaining provisions shall nevertheless be binding and enforceable.
18.      Imposition of Other Requirements . The Company reserves the right to impose other requirements on the Stock Option and the Option Shares acquired upon exercise of the Stock Option, to the extent the Company determines it is necessary or advisable for legal or administrative reasons, and to require the Optionee to accept any additional agreements or undertakings that may be necessary to accomplish the foregoing.
19.      Electronic Delivery and Acceptance . The Company may, in its sole discretion, decide to deliver any documents related to current or future participation in the Plan by electronic means. The Optionee hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through an on-line or electronic system established and maintained by the Company or a third party designated by the Company.
20.      Insider Trading Restrictions / Market Abuse Laws . By accepting the Stock Option, the Optionee acknowledges that he or she is bound by all the terms and conditions of the Company’s insider trading policy as may be in effect from time to time. The Optionee further acknowledges that, depending on the Optionee’s or his or her broker’s country or the country in which the shares of Stock are listed, he or she may be subject to insider trading restrictions and/or market abuse laws which may affect the Optionee’s ability to accept, acquire, sell or otherwise dispose of shares of Stock, rights to shares of Stock ( e.g. , Stock Options) or rights linked to the value of shares of Stock during such times as the Optionee is considered to have “inside information” regarding the Company (as defined by the laws in the applicable jurisdictions). Local insider trading laws and regulations may prohibit the cancellation or amendment of orders the Optionee placed before the Optionee possessed inside information. Furthermore, the Optionee could be prohibited from (i) disclosing the inside information to any third party, which

10


may include fellow employees and (ii) “tipping” third parties or causing them otherwise to buy or sell securities. Any restrictions under these laws or regulations are separate from and in addition to any restrictions that may be imposed under the Company’s insider trading policy as may be in effect from time to time. The Optionee acknowledges that it is the Optionee’s responsibility to comply with any applicable restrictions, and the Optionee should speak to his or her personal advisor on this matter.
21.      Foreign Asset/Account, Exchange Control and Tax Reporting . Depending on the Optionee’s country, the Optionee may be subject to foreign asset/account, exchange control, tax reporting or other requirements which may affect the Optionee’s ability acquire or hold Stock Options or shares of Stock under the Plan or cash received from participating in the Plan (including dividends and the proceeds arising from the sale of shares of Stock) in a brokerage/bank account outside the Optionee’s country. The applicable laws of the Optionee’s country may require that he or she report such Stock Options, shares of Stock, accounts, assets or transactions to the applicable authorities in such country and/or repatriate funds received in connection with the Plan to the Optionee’s country within a certain time period or according to certain procedures. The Optionee acknowledges that he or she is responsible for ensuring compliance with any applicable requirements and should consult his or her personal legal advisor to ensure compliance with applicable laws.
(Signature page follows.)

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SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
 
 
Title:
The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Optionee (including through an online acceptance process) is acceptable.
Dated:
 
 
 
 
 
 
Optionee’s Signature
 
 
 
 
 
 
 
 
 
 
 
Optionee’s name and address:
 
 
 
 
 
 
 
 
 
 
 
 

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APPENDIX
TO
NON-QUALIFIED STOCK OPTION AGREEMENT
FOR NON-US EMPLOYEES
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Capitalized terms used but not defined in this Appendix shall have the same meanings assigned to them in the Plan and/or the Non-Qualified Stock Option Agreement for Non-US Employees (the “Option Agreement”).
Terms and Conditions
This Appendix includes special terms and conditions that govern the Stock Option if the Optionee works and/or resides in one of the countries listed below. If the Optionee is a citizen or resident of a country other than the one in which the Optionee is currently working and/or residing (or is considered as such for local law purposes), or if the Optionee transfers employment and/or residency to a different country after the Stock Option is granted, the Company will, in its discretion, determine the extent to which the terms and conditions contained herein will apply to the Optionee.
Notifications
This Appendix also includes information regarding certain other issues of which the Optionee should be aware with respect to the Optionee’s participation in the Plan. The information is based on the securities, exchange control and other laws in effect in the respective countries as of December 2018. Such laws are often complex and change frequently. As a result, the Optionee should not rely on the information noted herein as the only source of information relating to the consequences of participation in the Plan because the information may be out-of-date at the time the Optionee exercises the Stock Option or sells any shares of Stock acquired under the Plan.
In addition, the information contained herein is general in nature and may not apply to the Optionee’s particular situation. As a result, the Company is not in a position to assure the Optionee of any particular result. Accordingly, the Optionee should seek appropriate professional advice as to how the relevant laws in the Optionee’s country may apply to the Optionee’s individual situation.
If the Optionee is a citizen or resident of a country other than the one in which the Optionee is currently working and/or residing (or is considered as such for local law purposes), or if the Optionee transfers employment and/or residency to a different country after the Stock Option is granted, the information contained in this Appendix may not be applicable to the Optionee in the same manner.

13


AUSTRALIA
Notifications
Nature of Plan . The Plan is a plan to which Subdivision 83A-C of the Income Tax Assessment Act 1997 (Cth) applies (subject to the conditions in that Act).
Securities Law Information . If the Optionee acquires shares of Stock under the Plan and offers the shares of Stock for sale to a person or entity resident in Australia, the offer may be subject to disclosure requirements under Australian law. The Optionee should obtain legal advice regarding any applicable disclosure obligations before making any such offer in Australia.
Exchange Control Information . Exchange control reporting is required for cash transactions exceeding AUD 10,000 and for international fund transfers. If an Australian bank is assisting with the international fund transfer transaction, the bank will file the report on behalf of the Optionee. If there is no Australian bank involved in the transfer, the Optionee will be required to file the report.
CANADA
Terms and Conditions
Method of Payment and Tax Obligations . Notwithstanding any provision in the Plan or the Agreement to the contrary, the Optionee will not be permitted to pay the Option Exercise Price with a “net exercise” pursuant to Section 2(a)(iii) of the Option Agreement.
Termination of Service . The following provision replaces in its entirety the second paragraph of Section 3(d) of the Option Agreement:
For purposes of this Stock Option, except as expressly required by applicable legislation, the Optionee’s employment will be considered terminated as of the date that is the earliest of (i) the date of termination of the Optionee’s employment, (ii) the date the Optionee receives notice of termination, and (iii) the date the Optionee is no longer actively providing services to the Company, the Employer or any other Subsidiary (regardless of the reason for such termination and whether or not later found to be invalid or in breach of labor laws in the jurisdiction where the Optionee is employed or the terms of the Optionee’s employment agreement, if any), and the Optionee’s right to vest in the Stock Option, if any, will terminate and the Optionee's right to exercise any vested Stock Option will be measured as of such date and, in either case, will not be extended by any notice period ( e.g. , the Optionee’s period of service would not include any contractual notice period or any period of “garden leave” or similar period mandated under labor laws in the jurisdiction where the Optionee is employed or the terms of the Optionee’s employment agreement, if any). The Administrator shall have the exclusive discretion to determine when the Optionee is no longer actively providing services for purposes of the Stock Option (including whether the Optionee may still be considered to be providing services while on a leave of absence).

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The following provisions apply if the Optionee resides in Quebec:
Consent to Receive Information in English . The parties acknowledge that it is their express wish that the Agreement, as well as all documents, notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English.
Consentement Pour Recevoir Des Informations en Anglais . Les parties reconnaissent avoir exigé la rédaction en anglais de la convention, ainsi que de tous documents, avis et procédures judiciaires, exécutés, donnés ou intentés en vertu de, ou liés directement ou indirectement, à la présente convention.
Data Privacy . The Optionee hereby authorizes the Company and the Company’s representatives to discuss and obtain all relevant information from all personnel, professional or non-professional, involved in the administration of the Plan. The Optionee further authorizes the Company, the Employer and/or any other Subsidiary to disclose and discuss such information with their advisors and to record such information and to keep such information in the Optionee’s employee file.
Notifications
Securities Law Information . The Optionee is permitted to sell shares of Stock acquired under the Plan through the designated broker appointed under the Plan, if any, provided the resale of shares of Stock acquired under the Plan takes place outside Canada through the facilities of a stock exchange on which the Stock is listed.
Foreign Asset/Account Reporting Information . Canadian taxpayers must report annually on Form T1135 (Foreign Income Verification Statement) the foreign specified property (including shares of Stock acquired under the Plan) held if the total value of such foreign specified property exceeds C$100,000 at any time during the year. Unvested Stock Options also must be reported (generally at nil cost) on Form 1135 if the C$100,000 threshold is exceeded due to other foreign specified property held. If shares of Stock are acquired, their cost generally is the adjusted cost base (“ACB”) of the shares. The ACB ordinarily would equal the fair market value of the shares of Stock at the time of acquisition, but if the Optionee owns other shares, this ACB may have to be averaged with the ACB of the other shares. The Form T1135 must be filed at the same time the individual's files his or her annual tax return. The Optoinee should consult his or her personal legal advisor to ensure compliance with applicable reporting obligations.
FRANCE
Terms and Conditions
Language Consent . By accepting the Agreement providing for the terms and conditions of this grant, the Optionee confirms having read and understood the documents relating to this grant (the Plan and this Agreement) which were provided in English language. The Optionee accepts the terms of those documents accordingly.

15


Consentement Relatif à la Langue Utilisée . En acceptant le Contrat décrivant les termes et conditions de l’attribution, Le Titulaire confirme avoir lu et compris les documents relatifs à cette attribution (le Plan et ce Contrat) qui ont été communiqués en langue anglaise. Le Titulaire accepte les termes de ces documents en connaissance de cause.
Notifications
Type of Stock Option . The Stock Option is not intended to qualify for special tax or social security treatment in France.
Foreign Asset/Account Reporting Information . French residents are required to report all foreign accounts (whether open, current or closed) to the French tax authorities on their annual tax returns. Failure to complete this reporting triggers penalties. The Optionee should consult his or her personal advisor to ensure compliance with applicable reporting obligations.
GERMANY
Notifications
Exchange Control Information . German residents must electronically report cross-border payments in excess of €12,500 to the German Federal Bank ( Bundesbank ) on a monthly basis. In case of payments in connection with securities (including any proceeds realized upon the sale of shares of Stock or the receipt of any dividends), the report must be made by the fifth day of the month following the month in which the payment was received. The form of report (“ Allgemeines Meldeportal Statistik ”) can be accessed via the Bundesbank’s website (www.bundesbank.de). The Optionee should consult his or her personal advisor to ensure compliance with applicable reporting obligations.
Foreign Asset/Account Reporting Information . If the acquisition of shares of Stock under the Plan leads to a so-called qualified participation at any point during the calendar year, the Optionee will need to report the acquisition when the Optionee files his or her tax return for the relevant year.  A qualified participation is attained if (i) the value of the shares of Stock acquired exceeds EUR 150,000 or (ii) in the unlikely event the Optionee holds shares of Stock exceeding 10% of the total number of shares of Stock.
INDIA
Terms and Conditions
Manner of Exercise . This provision supplements Section 2 of the Option Agreement:
Due to legal restrictions in India, payment of the Option Exercise Price may not be made through a formal cashless exercise program or “same day sale” or any other method whereby some, but not all, of the Option Shares subject to the exercised Stock Option are sold to pay the purchase price. The Company reserves the right to allow such method of payment to the Optionee depending on the development of local law.

16


Notifications
Exchange Control Information . The Optionee must repatriate any proceeds from the sale of shares of Stock acquired under the Plan or any dividends paid on such shares of Stock to India within such period of time as will be required under applicable regulations. The Optionee should obtain a foreign inward remittance certificate (“FIRC”) from the bank where the Optionee deposits the foreign currency and maintain the FIRC as evidence of the repatriation of funds in the event the Reserve Bank of India, the Company, or the Employer requests proof of repatriation.
Foreign Asset/Account Reporting Information . Indian residents are required to declare any foreign bank accounts and any foreign financial assets (including shares of Stock held outside India) in their annual tax return.
IRELAND
Terms and Conditions
Nature of Grant . The following provision supplements Section 10 of the Option Agreement:
In accepting the Stock Option, the Optionee understands and agrees that the benefits received under the Plan will not be taken into account for any redundancy or unfair dismissal claim.
Notifications
Director Notification Obligation . Directors, shadow directors or secretaries of an Irish Subsidiary must notify the Irish Subsidiary in writing within five business days of receiving or disposing of an interest in the Company ( e.g ., Stock Options granted under the Plan, shares of Stock, etc.), or within five business days of becoming aware of the event giving rise to the notification requirement or within five business days of becoming a director or secretary if such an interest exists at the time, but only to the extent such individuals own 1% or more of the shares of Stock. If applicable, this notification requirement also applies with respect to the interests of the spouse or children under the age of 18 of the director, shadow director or secretary (whose interests will be attributed to the director, shadow director or secretary).
JAPAN
Notifications
Exchange Control Information . If the Optionee acquires shares of Stock valued at more than ¥100,000,000 in a single transaction, the Optionee must file a Securities Acquisition Report with the Ministry of Finance through the Bank of Japan within 20 days of the acquisition of the shares of Stock.
In addition, if the Optionee pays more than ¥30,000,000 in a single transaction for the purchase of shares of Stock when the Optionee exercises this Stock Option, the Optionee must file a Payment Report with the Ministry of Finance through the Bank of Japan by the 20th day of the

17


month following the month in which the payment was made. The precise reporting requirements vary depending on whether or not the relevant payment is made through a bank in Japan.
A Payment Report is required independently from a Securities Acquisition Report. Therefore, if the total amount that the Optionee pays upon a one-time transaction for exercising this Stock Option and purchasing shares of Stock exceeds ¥100,000,000, then the Optionee must file both a Payment Report and a Securities Acquisition Report.
Foreign Asset/Account Reporting Information . Japanese residents and foreign nationals with permanent residency in Japan are required to report details of any assets held outside Japan as of December 31 (including shares of Stock acquired under the Plan), to the extent such assets have a total net fair market value exceeding ¥50 million. Such report will be due by March 15 each year. The Optionee should consult with his or her personal tax advisor to ensure compliance with applicable reporting obligations.
UNITED KINGDOM
Terms and Conditions
Tax Obligations . This provision supplements Section 6 of the Option Agreement:
Without limitation to Section 6 of the Option Agreement, the Optionee agrees that the Optionee is liable for all Tax-Related Items and hereby covenants to pay all such Tax-Related Items, as and when requested by the Company or the Employer or by Her Majesty’s Revenue and Customs (“HMRC”) (or any other tax authority or any other relevant authority). The Optionee also agrees to indemnify and keep indemnified the Company and the Employer against any Tax–Related Items that they are required to pay or withhold or have paid or will pay to HMRC (or any other tax authority or any other relevant authority) on the Optionee’s behalf.
Notwithstanding the foregoing, if the Optionee is a director or executive officer (within the meaning of Section 13(k) of the Exchange Act), the Optionee understands that the Optionee may not be able to indemnify the Company for the amount of any Tax-Related Items not collected from or paid by the Optionee, in case the indemnification could be considered to be a loan. In this case, the Tax-Related Items not collected or paid may constitute a benefit to the Optionee on which additional income tax and National Insurance contributions (“NICs”) may be payable. the Optionee understands that the Optionee will be responsible for reporting and paying any income tax due on this additional benefit directly to HMRC under the self-assessment regime and for paying to the Company and/or the Employer (as appropriate) the amount of any NICs due on this additional benefit, which may also be recovered from the Optionee by any of the means referred to in Section 6 of the Option Agreement.
NIC Joint Election . As a condition of participation in the Plan and the exercise of the Stock Option, the Optionee agrees to accept any liability for secondary Class 1 National Insurance Contributions that may be payable by the Company or the Employer (or any successor to the Company or the Employer) in connection with the Stock Option and any event giving rise to Tax-Related Items in relation to the Stock Option (the “Employer NICs”).

18


Without limitation to the foregoing, by accepting this Agreement, the Optionee agrees to execute the attached joint election with the Company and/or the Employer to satisfy the obligation for Employer NICs in relation to the Stock Option (the “NIC Joint Election”). The Optionee further agrees to execute such other elections as may be required between the Optionee and any successor to the Company or the Employer for the purpose of continuing the effectiveness of the NIC Joint Election. The Optionee agrees that the Employer NICs may be collected by the Company or the Employer using any of the methods described in Section 6 of the Option Agreement.
If the Optionee does not enter into an NIC Joint Election prior to the exercise of the Stock Option, the Optionee will not be entitled to exercise the Stock Option unless and until the Optionee enters into an NIC Joint Election, and no shares of Stock will be issued to the Optionee under the Plan, without any liability to the Company, the Employer or any other Subsidiary.

19


ADDITIONAL WORDING TO INCLUDE FOR ELECTIONS TO BE ENTERED INTO ELECTRONICALLY:
Important Note on the Election to Transfer Employer National Insurance Contributions
As a condition of the Optionee’s participation in the Plan, the Optionee is required to enter into an election to transfer to the Optionee any liability for employer’s secondary Class 1 National Insurance Contributions (“Employer’s NICs”) that may arise in connection with the Optionee’s participation in the Plan (the “Election”).
By entering into the Election:
the Optionee agrees that any Employer’s NICs liability that may arise in connection with the Optionee’s participation in the Plan will be transferred to the Optionee;
the Optionee authorises the Employer and the Company to recover an amount sufficient to cover this liability by such methods including, but not limited to, deductions from the Optionee’s salary or other payments due or the sale of sufficient shares of Option Shares acquired pursuant to the Stock Options; and
the Optionee acknowledges that even if the Optionee has clicked on the [“ACCEPT”] box where indicated, the Company or the Employer may still require the Optionee to sign a paper copy of this Election (or a substantially similar form) if the Company or the Employer determines such is necessary to give effect to the Election.
Signing or clicking on the [“ACCEPT”] box indicates the Optionee’s acceptance of the Election. The Optionee should read the terms of the Election carefully before accepting the Election.
Please print and keep a copy of the Election for the Optionee’s records.

20


SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
(UK Employees)
Election To Transfer the Employer’s National Insurance Liability to the Employee
1.
PARTIES
This Election is between:
(A)
The Employee who is employed by one of the employing companies listed in the attached schedule (the “Employer”) and who has been granted options to purchase shares of Common Stock (“Options”) pursuant to the terms and conditions of the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan, as amended from time to time (the “Plan”), and
(B)
Slack Technologies, Inc. of 500 Howard Street, San Francisco, California, USA 94105 (the “Company”), which may grant Options under the Plan and is entering into this Form of Election on behalf of the Employer.
2.
PURPOSE OF ELECTION
2.1
This Election relates to all Options granted to the Employee under the Plan up to the termination date of the Plan.
2.2    In this Election the following words and phrases have the following meanings:
ITEPA ” means the Income Tax (Earnings and Pensions) Act 2003.
Relevant Employment Income ” from Options on which employer’s National Insurance Contributions becomes due is defined as:
(i)
an amount that counts as employment income of the earner under section 426 ITEPA (restricted securities: charge on certain post-acquisition events);
(ii)
an amount that counts as employment income of the earner under section 438 of ITEPA (convertible securities: charge on certain post-acquisition events); or
(iii)
any gain that is treated as remuneration derived from the earner’s employment by virtue of section 4(4)(a) SSCBA, including without limitation:
(A)
the acquisition of securities pursuant to the Options (within the meaning of section 477(3)(a) of ITEPA);

21


(B)
the assignment (if applicable) or release of the Options in return for consideration (within the meaning of section 477(3)(b) of ITEPA);
(C)
the receipt of a benefit in connection with the Options, other than a benefit within (i) or (ii) above (within the meaning of section 477(3)(c) of ITEPA).
SSCBA ” means the Social Security Contributions and Benefits Act 1992.
“Taxable Event” means any event giving rise to Relevant Employment Income.
2.3
This Election relates to the Employer’s secondary Class 1 National Insurance contributions (the “Employer’s Liability”) which may arise in respect of Relevant Employment Income in respect of the Options pursuant to section 4(4)(a) and/or paragraph 3B(1A) of Schedule 1 of the SSCBA.
2.4
This Election does not apply in relation to any liability, or any part of any liability, arising as a result of regulations being given retrospective effect by virtue of section 4B(2) of either the SSCBA or the Social Security Contributions and Benefits (Northern Ireland) Act 1992.
2.5
This Election does not apply to the extent that it relates to relevant employment income which is employment income of the earner by virtue of Chapter 3A of Part VII of ITEPA (employment income: securities with artificially depressed market value).
2.6
Any reference to the Company and/or the Employer shall include that entity’s successors in title and assigns as permitted in accordance with the terms of the Plan and the Non-Qualified Stock Option Agreement for Non-US Employees. This Election will have effect in respect of the Options and any awards which replace or replaced the Options following their grant in circumstances where section 483 of ITEPA applies.
3.
ELECTION
The Employee and the Company jointly elect that the entire liability of the Employer to pay the Employer’s Liability that arises on any Relevant Employment Income is hereby transferred to the Employee. The Employee understands that, by signing or electronically accepting this Election by clicking on the [“ACCEPT”] box, he or she will become personally liable for the Employer’s Liability covered by this Election. This Election is made in accordance with paragraph 3B(1) of Schedule 1 to SSCBA.

22


4.
PAYMENT OF THE EMPLOYER’S LIABILITY
4.1
The Employee hereby authorises the Company and/or the Employer to collect the Employer’s Liability in respect of any Relevant Employment Income from the Employee at any time after the Taxable Event:
(i)
by deduction from salary or any other payment payable to the Employee at any time on or after the date of the Taxable Event; and/or
(ii)
directly from the Employee by payment in cash or cleared funds; and/or
(iii)
by arranging, on behalf of the Employee, for the sale of some of the securities which the Employee is entitled to receive in respect of the Options; and/or
(iv)
by any other means specified in the Non-Qualified Stock Option Agreement for Non-US Employees.
4.2
The Company hereby reserves for itself and the Employer the right to withhold the transfer of any securities in respect of the Options to the Employee until full payment of the Employer’s Liability is received.
4.3
The Company agrees to procure the remittance by the Employer of the Employer’s Liability to HM Revenue and Customs on behalf of the Employee within 14 days after the end of the U.K. tax month during which the Taxable Event occurs (or within 17 days after the end of the U.K. tax month during which the Taxable Event occurs, if payments are made electronically).
5.
DURATION OF ELECTION
5.1
The Employee and the Company agree to be bound by the terms of this Election regardless of whether the Employee is transferred abroad or is not employed by the Employer on the date on which the Employer’s Liability becomes due.
5.2
This Election will continue in effect until the earliest of the following:
(i)
the Employee and the Company agree in writing that it should cease to have effect;
(ii)
on the date the Company serves written notice on the Employee terminating its effect;
(iii)
on the date HM Revenue and Customs withdraws approval of this Election; or
(iv)
after due payment of the Employer’s Liability in respect of the entirety of the Options to which this Election relates or could relate, such that the Election ceases to have effect in accordance with its terms.

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Acceptance by the Employee
The Employee acknowledges that by signing or electronically accepting this Election by clicking on the [“ACCEPT”] box, the Employee agrees to be bound by the terms of this Election.
Signed
 
 
The Employee
Acceptance by the Company
The Company acknowledges that, by arranging for the scanned signature of an authorised representative to appear on this Election, the Company agrees to be bound by the terms of this Election.
Signed for and on behalf of the Company
 
 
Name:
Title:

24


SCHEDULE OF EMPLOYER COMPANIES
The following are the employing companies to which this Joint Election may apply:
Name:
 
UK Office:


Company Registration Number:
 
Corporation Tax Reference:
 
PAYE Reference:
 

25


ANNEX
PRIVACY NOTICE
This Privacy Notice (the “ Notice ”) is provided as an annex to the Plan and the Agreement . This Notice is intended to provide information about the collection and processing of the Optionee’s personal information by the Company and, as relevant, the Employer. Capitalized terms used but not defined in this Notice shall have the same meanings assigned to them in the Plan and/or the Agreement.
(a)      Data Collection and Usage . The Company and the Employer collect, process and use certain personal information about the Optionee, which may include information such as the Optionee’s name, home address, telephone number, email address, date of birth, social insurance number, passport or other identification number, salary, nationality, job title, any shares of Stock or directorships held in the Company, details of all awards granted under the Plan or any other entitlement to Stock awarded, canceled, exercised, vested, unvested or outstanding in the Optionee’s favor (“ Data ”), for purposes of implementing, administering and managing the Plan. The Company and, where relevant, the Employer is the controller of such Data. The legal basis, where required, for the processing of Data is that the processing is contractually necessary for the performance of the Agreement.
(b)      Stock Plan Administration Service Providers . The Company transfers Data to E*TRADE Financial Corporate Services, Inc. and certain of its affiliates (“E*TRADE”), which is assisting the Company with the implementation, administration and management of the Plan. The Company may select a different service provider or additional service providers and share Data with such other provider serving in a similar manner. The Optionee may be provided with separate terms and data processing practices with E*TRADE, as such agreement is contractually required to implement stock options under the Plan.
(c)      International Data Transfers . The Company and E*TRADE are based in the U.S., which means that it will be necessary for Data to be transferred to, and processed in, the U.S. The Optionee’s country or jurisdiction may have different data privacy laws and protections than the U.S. For example, the European Commission has issued a limited adequacy finding with respect to the U.S. that applies only to the extent companies register for the EU-U.S. Privacy Shield program. The Company has registered for the EU-U.S. Privacy Shield program. The Company’s basis for the transfer of Data, where required, is the EU-U.S. Privacy Shield program.
(d)      Data Retention . The Company will hold and use Data only as long as is necessary to implement, administer and manage the Optionee’s participation in the Plan, or as required to comply with legal or regulatory obligations, including under tax, exchange control, labor and securities laws. This period may extend beyond the period of the Optionee’s employment with the Employer. When the Company or the Employer no longer need Data for any of the above purposes, they will cease processing it in this context and remove it from all of their systems used for such purposes to the fullest extent practicable.

26


(e)      Data Subject Rights . The Optionee may have a number of rights under data privacy laws in his or her jurisdiction. Depending on where the Optionee is based, such rights may include the right to (i) request access to or copies of Data the Company processes, (ii) rectify incorrect Data, (iii) delete Data, (iv) restrict the processing of Data, (v) request the portability of Data, (vi) lodge complaints with competent authorities in the Optionee’s jurisdiction, and/or (vii) receive a list with the names and addresses of any potential recipients of Data. To receive clarification regarding these rights or to exercise these rights, the Optionee can contact his or her local human resources representative.
(f)      Further Information and Contact . For further information, including the contact details of the data protection officer and, where relevant, the appropriate supervisory authority for lodging complaints, the Optionee can consult the Slack Employee Privacy Policy.

27


NON-QUALIFIED STOCK OPTION AGREEMENT
FOR NON-EMPLOYEE DIRECTORS
UNDER THE SLACK TECHNOLOGIES, INC.
s2019 STOCK OPTION AND INCENTIVE PLAN
Name of Optionee:
 
 
 
 
No. of Option Shares:
 
 
 
 
 
Option Exercise Price per Share:
$
 
 
[FMV on Grant Date]
 
 
 
 
Grant Date:
 
 
 
 
 
Expiration Date:
 
 
 
[No more than 10 years]
 
Pursuant to the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan as amended through the date hereof (the “Plan”), Slack Technologies, Inc. (the “Company”) hereby grants to the Optionee named above, who is a Non-Employee Director of the Company but is not an employee of the Company, an option (the “Stock Option”) to purchase on or prior to the Expiration Date specified above all or part of the number of shares of Class A Common Stock, par value $0.0001 per share (the “Stock”), of the Company specified above at the Option Exercise Price per Share specified above subject to the terms and conditions set forth herein and in the Plan. This Stock Option is not intended to be an “incentive stock option” under Section 422 of the Internal Revenue Code of 1986, as amended.
1.     Exercisability Schedule . No portion of this Stock Option may be exercised until such portion shall have become exercisable. Except as set forth below, and subject to the discretion of the Administrator (as defined in Section 2 of the Plan) to accelerate the exercisability schedule hereunder, this Stock Option shall be exercisable with respect to the following number of Option Shares on the dates indicated so long as the Optionee remains in service as a member of the Board on such dates:
Incremental Number of
Option Shares Exercisable
Exercisability Date
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________



Once exercisable, this Stock Option shall continue to be exercisable at any time or times prior to the close of business on the Expiration Date, subject to the provisions hereof and of the Plan.
2.      Manner of Exercise .
(a)      The Optionee may exercise this Stock Option only in the following manner: from time to time on or prior to the Expiration Date of this Stock Option, the Optionee may give written notice to the Administrator of his or her election to purchase some or all of the Option Shares purchasable at the time of such notice. This notice shall specify the number of Option Shares to be purchased.
Payment of the purchase price for the Option Shares may be made by one or more of the following methods: (i) in cash, by certified or bank check or other instrument acceptable to the Administrator; (ii) through the delivery (or attestation to the ownership) of shares of Stock that have been purchased by the Optionee on the open market or that are beneficially owned by the Optionee and are not then subject to any restrictions under any Company plan and that otherwise satisfy any holding periods as may be required by the Administrator; (iii) by the Optionee delivering to the Company a properly executed exercise notice together with irrevocable instructions to a broker to promptly deliver to the Company cash or a check payable and acceptable to the Company to pay the option purchase price, provided that in the event the Optionee chooses to pay the option purchase price as so provided, the Optionee and the broker shall comply with such procedures and enter into such agreements of indemnity and other agreements as the Administrator shall prescribe as a condition of such payment procedure; (iv) by a “net exercise” arrangement pursuant to which the Company will reduce the number of shares of Stock issuable upon exercise by the largest whole number of shares with a Fair Market Value that does not exceed the aggregate exercise price; or (v) a combination of (i), (ii), (iii) and (iv) above. Payment instruments will be received subject to collection.
The transfer to the Optionee on the records of the Company or of the transfer agent of the Option Shares will be contingent upon (i) the Company’s receipt from the Optionee of the full purchase price for the Option Shares, as set forth above, (ii) the fulfillment of any other requirements contained herein or in the Plan or in any other agreement or provision of laws, and (iii) the receipt by the Company of any agreement, statement or other evidence that the Company may require to satisfy itself that the issuance of Stock to be purchased pursuant to the exercise of Stock Options under the Plan and any subsequent resale of the shares of Stock will be in compliance with applicable laws and regulations. In the event the Optionee chooses to pay the purchase price by previously-owned shares of Stock through the attestation method, the number of shares of Stock transferred to the Optionee upon the exercise of the Stock Option shall be net of the Shares attested to.
(b)      The shares of Stock purchased upon exercise of this Stock Option shall be transferred to the Optionee on the records of the Company or of the transfer agent upon compliance to the satisfaction of the Administrator with all requirements under applicable laws or regulations in connection with such transfer and with the requirements hereof and of the Plan. The determination of the Administrator as to such compliance shall be final and binding on the

2


Optionee. The Optionee shall not be deemed to be the holder of, or to have any of the rights of a holder with respect to, any shares of Stock subject to this Stock Option unless and until this Stock Option shall have been exercised pursuant to the terms hereof, the Company or the transfer agent shall have transferred the shares to the Optionee, and the Optionee’s name shall have been entered as the stockholder of record on the books of the Company. Thereupon, the Optionee shall have full voting, dividend and other ownership rights with respect to such shares of Stock.
(c)      The minimum number of shares with respect to which this Stock Option may be exercised at any one time shall be 100 shares, unless the number of shares with respect to which this Stock Option is being exercised is the total number of shares subject to exercise under this Stock Option at the time.
(d)      Notwithstanding any other provision hereof or of the Plan, no portion of this Stock Option shall be exercisable after the Expiration Date hereof.
3.      Termination as Non-Employee Director . If the Optionee ceases to be a Non-Employee Director of the Company, the period within which to exercise the Stock Option may be subject to earlier termination as set forth below.
(a)      Termination Due to Death . If the Optionee’s service as a Non-Employee Director terminates by reason of the Optionee’s death, any portion of this Stock Option outstanding on such date, to the extent exercisable on the date of death, may thereafter be exercised by the Optionee’s legal representative or legatee for a period of 12 months from the date of death or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of death shall terminate immediately and be of no further force or effect.
(b)      Other Termination . If the Optionee ceases to be a Non-Employee Director for any reason other than the Optionee’s death, any portion of this Stock Option outstanding on such date may be exercised, to the extent exercisable on the date the Optionee ceased to be a Non-Employee Director, for a period of six months from the date the Optionee ceased to be a Non-Employee Director or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date the Optionee ceases to be a Non-Employee Director shall terminate immediately and be of no further force or effect.
4.      Incorporation of Plan . Notwithstanding anything herein to the contrary, this Stock Option shall be subject to and governed by all the terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.
5.      Transferability . This Agreement is personal to the Optionee, is non-assignable and is not transferable in any manner, by operation of law or otherwise, other than by will or the laws of descent and distribution. This Stock Option is exercisable, during the Optionee’s lifetime, only by the Optionee, and thereafter, only by the Optionee’s legal representative or legatee.

3


6.      No Obligation to Continue as a Non-Employee Director . Neither the Plan nor this Stock Option confers upon the Optionee any rights with respect to continuance as a Non-Employee Director.
7.      Integration . This Agreement constitutes the entire agreement between the parties with respect to this Stock Option and supersedes all prior agreements and discussions between the parties concerning such subject matter.
8.      Data Privacy Consent . In order to administer the Plan and this Agreement and to implement or structure future equity grants, the Company, its subsidiaries and affiliates and certain agents thereof (together, the “Relevant Companies”) may process any and all personal or professional data, including but not limited to Social Security or other identification number, home address and telephone number, date of birth and other information that is necessary or desirable for the administration of the Plan and/or this Agreement (the “Relevant Information”). By entering into this Agreement, the Optionee (i) authorizes the Company to collect, process, register and transfer to the Relevant Companies all Relevant Information; (ii) waives any privacy rights the Optionee may have with respect to the Relevant Information; (iii) authorizes the Relevant Companies to store and transmit such information in electronic form; and (iv) authorizes the transfer of the Relevant Information to any jurisdiction in which the Relevant Companies consider appropriate. The Optionee shall have access to, and the right to change, the Relevant Information. Relevant Information will only be used in accordance with applicable law.
9.      Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall be mailed or delivered to the Optionee by the Company at the address on file with the Company or electronically through the use of an online process such as the Company’s platform or, in either case, at such other address as one party may subsequently furnish to the other party in writing.

4


SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
 
 
Title:
The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Optionee (including through an online acceptance process) is acceptable.
Dated:
 
 
 
 
 
 
Optionee’s Signature
 
 
 
 
 
 
 
 
 
 
 
Optionee’s name and address:
 
 
 
 
 
 
 
 
 
 
 
 

5


NON-QUALIFIED STOCK OPTION AGREEMENT
FOR COMPANY EMPLOYEES
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Name of Optionee:
 
 
 
 
No. of Option Shares:
 
 
 
 
 
Option Exercise Price per Share:
$
 
 
[FMV on Grant Date]
 
 
 
 
Grant Date:
 
 
 
 
 
Expiration Date:
 
 
Pursuant to the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan as amended through the date hereof (the “Plan”), Slack Technologies, Inc. (the “Company”) hereby grants to the Optionee named above an option (the “Stock Option”) to purchase on or prior to the Expiration Date specified above all or part of the number of shares of Class A Common Stock, par value $0.0001 per share (the “Stock”) of the Company specified above at the Option Exercise Price per Share specified above subject to the terms and conditions set forth herein and in the Plan. This Stock Option is not intended to be an “incentive stock option” under Section 422 of the Internal Revenue Code of 1986, as amended.
1.     Exercisability Schedule . No portion of this Stock Option may be exercised until such portion shall have become exercisable. Except as set forth below, and subject to the discretion of the Administrator (as defined in Section 2 of the Plan) to accelerate the exercisability schedule hereunder, this Stock Option shall be exercisable with respect to the following number of Option Shares on the dates indicated so long as Optionee remains an employee of the Company or a Subsidiary on such dates:
Incremental Number of
Option Shares Exercisable
Exercisability Date
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________



Once exercisable, this Stock Option shall continue to be exercisable at any time or times prior to the close of business on the Expiration Date, subject to the provisions hereof and of the Plan.
2.      Manner of Exercise .
(a)      The Optionee may exercise this Stock Option only in the following manner: from time to time on or prior to the Expiration Date of this Stock Option, the Optionee may give written notice to the Administrator of his or her election to purchase some or all of the Option Shares purchasable at the time of such notice. This notice shall specify the number of Option Shares to be purchased.
Payment of the purchase price for the Option Shares may be made by one or more of the following methods: (i) in cash, by certified or bank check or other instrument acceptable to the Administrator; (ii) through the delivery (or attestation to the ownership) of shares of Stock that have been purchased by the Optionee on the open market or that are beneficially owned by the Optionee and are not then subject to any restrictions under any Company plan and that otherwise satisfy any holding periods as may be required by the Administrator; (iii) by the Optionee delivering to the Company a properly executed exercise notice together with irrevocable instructions to a broker to promptly deliver to the Company cash or a check payable and acceptable to the Company to pay the option purchase price, provided that in the event the Optionee chooses to pay the option purchase price as so provided, the Optionee and the broker shall comply with such procedures and enter into such agreements of indemnity and other agreements as the Administrator shall prescribe as a condition of such payment procedure; (iv) by a “net exercise” arrangement pursuant to which the Company will reduce the number of shares of Stock issuable upon exercise by the largest whole number of shares with a Fair Market Value that does not exceed the aggregate exercise price; or (v) a combination of (i), (ii), (iii) and (iv) above. Payment instruments will be received subject to collection.
The transfer to the Optionee on the records of the Company or of the transfer agent of the Option Shares will be contingent upon (i) the Company’s receipt from the Optionee of the full purchase price for the Option Shares, as set forth above, (ii) the fulfillment of any other requirements contained herein or in the Plan or in any other agreement or provision of laws, and (iii) the receipt by the Company of any agreement, statement or other evidence that the Company may require to satisfy itself that the issuance of Stock to be purchased pursuant to the exercise of Stock Options under the Plan and any subsequent resale of the shares of Stock will be in compliance with applicable laws and regulations. In the event the Optionee chooses to pay the purchase price by previously-owned shares of Stock through the attestation method, the number of shares of Stock transferred to the Optionee upon the exercise of the Stock Option shall be net of the Shares attested to.
(b)      The shares of Stock purchased upon exercise of this Stock Option shall be transferred to the Optionee on the records of the Company or of the transfer agent upon compliance to the satisfaction of the Administrator with all requirements under applicable laws or regulations in connection with such transfer and with the requirements hereof and of the Plan. The determination of the Administrator as to such compliance shall be final and binding on the

2


Optionee. The Optionee shall not be deemed to be the holder of, or to have any of the rights of a holder with respect to, any shares of Stock subject to this Stock Option unless and until this Stock Option shall have been exercised pursuant to the terms hereof, the Company or the transfer agent shall have transferred the shares to the Optionee, and the Optionee’s name shall have been entered as the stockholder of record on the books of the Company. Thereupon, the Optionee shall have full voting, dividend and other ownership rights with respect to such shares of Stock.
(c)      The minimum number of shares with respect to which this Stock Option may be exercised at any one time shall be 100 shares, unless the number of shares with respect to which this Stock Option is being exercised is the total number of shares subject to exercise under this Stock Option at the time.
(d)      Notwithstanding any other provision hereof or of the Plan, no portion of this Stock Option shall be exercisable after the Expiration Date hereof.
3.      Termination of Employment . If the Optionee’s employment by the Company or a Subsidiary (as defined in the Plan) is terminated, the period within which to exercise the Stock Option may be subject to earlier termination as set forth below.
(a)      Termination Due to Death . If the Optionee’s employment terminates by reason of the Optionee’s death, any portion of this Stock Option outstanding on such date, to the extent exercisable on the date of death, may thereafter be exercised by the Optionee’s legal representative or legatee for a period of 12 months from the date of death or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of death shall terminate immediately and be of no further force or effect.
(b)      Termination Due to Disability . If the Optionee’s employment terminates by reason of the Optionee’s disability (as determined by the Administrator), any portion of this Stock Option outstanding on such date, to the extent exercisable on the date of such termination of employment, may thereafter be exercised by the Optionee for a period of 12 months from the date of disability or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of disability shall terminate immediately and be of no further force or effect.
(c)      Termination for Cause . If the Optionee’s employment terminates for Cause, any portion of this Stock Option outstanding on such date shall terminate immediately and be of no further force and effect. For purposes hereof, “Cause” shall mean, unless otherwise provided in an employment agreement between the Company and the Optionee, a determination by the Administrator that the Optionee shall be dismissed as a result of (i) any material breach by the Optionee of any agreement between the Optionee and the Company; (ii) the conviction of, indictment for or plea of nolo contendere by the Optionee to a felony or a crime involving moral turpitude; or (iii) any material misconduct or willful and deliberate non-performance (other than by reason of disability) by the Optionee of the Optionee’s duties to the Company.
(d)      Other Termination . If the Optionee’s employment terminates for any reason other than the Optionee’s death, the Optionee’s disability or Cause, and unless otherwise

3


determined by the Administrator, any portion of this Stock Option outstanding on such date may be exercised, to the extent exercisable on the date of termination, for a period of three months from the date of termination or until the Expiration Date, if earlier. Any portion of this Stock Option that is not exercisable on the date of termination shall terminate immediately and be of no further force or effect.
The Administrator’s determination of the reason for termination of the Optionee’s employment shall be conclusive and binding on the Optionee and his or her representatives or legatees.
4.      Incorporation of Plan . Notwithstanding anything herein to the contrary, this Stock Option shall be subject to and governed by all the terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.
5.      Transferability . This Agreement is personal to the Optionee, is non-assignable and is not transferable in any manner, by operation of law or otherwise, other than by will or the laws of descent and distribution. This Stock Option is exercisable, during the Optionee’s lifetime, only by the Optionee, and thereafter, only by the Optionee’s legal representative or legatee.
6.      Tax Withholding . The Optionee shall, not later than the date as of which the exercise of this Stock Option becomes a taxable event for Federal income tax purposes, pay to the Company or make arrangements satisfactory to the Administrator for payment of any Federal, state, and local taxes required by law to be withheld on account of such taxable event. The Company shall have the authority to cause the required tax withholding obligation to be satisfied, in whole or in part, by (i) withholding from shares of Stock to be issued to the Optionee a number of shares of Stock with an aggregate Fair Market Value that would satisfy the minimum withholding amount due; or (ii) causing its transfer agent to sell from the number of shares of Stock to be issued to the Optionee, the number of shares of Stock necessary to satisfy the Federal, state and local taxes required by law to be withheld from the Optionee on account of such transfer.
7.      No Obligation to Continue Employment . Neither the Company nor any Subsidiary is obligated by or as a result of the Plan or this Agreement to continue the Optionee in employment and neither the Plan nor this Agreement shall interfere in any way with the right of the Company or any Subsidiary to terminate the employment of the Optionee at any time.
8.      Integration . This Agreement constitutes the entire agreement between the parties with respect to this Stock Option and supersedes all prior agreements and discussions between the parties concerning such subject matter.
9.      Data Privacy Consent . In order to administer the Plan and this Agreement and to implement or structure future equity grants, the Company, its subsidiaries and affiliates and certain agents thereof (together, the “Relevant Companies”) may process any and all personal or

4


professional data, including but not limited to Social Security or other identification number, home address and telephone number, date of birth and other information that is necessary or desirable for the administration of the Plan and/or this Agreement (the “Relevant Information”). By entering into this Agreement, the Optionee (i) authorizes the Company to collect, process, register and transfer to the Relevant Companies all Relevant Information; (ii) waives any privacy rights the Optionee may have with respect to the Relevant Information; (iii) authorizes the Relevant Companies to store and transmit such information in electronic form; and (iv) authorizes the transfer of the Relevant Information to any jurisdiction in which the Relevant Companies consider appropriate. The Optionee shall have access to, and the right to change, the Relevant Information. Relevant Information will only be used in accordance with applicable law.
10.      Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall be mailed or delivered to the Optionee by the Company at the address on file with the Company or electronically through the use of an online process such as the Company’s platform or, in either case, at such other address as one party may subsequently furnish to the other party in writing.
SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
 
 
Title:
The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Optionee (including through an online acceptance process) is acceptable.
Dated:
 
 
 
 
 
 
Optionee’s Signature
 
 
 
 
 
 
 
 
 
 
 
Optionee’s name and address:
 
 
 
 
 
 
 
 
 
 
 
 

5


RESTRICTED STOCK AWARD (U.S.)
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Name of Grantee:
 
 
 
 
No. of Shares:
 
 
 
 
 
Grant Date:
 
 
Pursuant to the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan (the “Plan”) as amended through the date hereof, Slack Technologies, Inc. (the “Company”) hereby grants a Restricted Stock Award (an “Award”) to the Grantee named above. Upon acceptance of this Award, the Grantee shall receive the number of shares of Class A Common Stock, par value $0.0001 per share (the “Stock”) of the Company specified above, subject to the restrictions and conditions set forth herein and in the Plan. The Company acknowledges the receipt from the Grantee of consideration with respect to the par value of the Stock in the form of cash, past or future services rendered to the Company by the Grantee or such other form of consideration as is acceptable to the Administrator.
1.     Award . The shares of Restricted Stock awarded hereunder shall be issued and held by the Company’s transfer agent in book entry form, and the Grantee’s name shall be entered as the stockholder of record on the books of the Company. Thereupon, the Grantee shall have all the rights of a stockholder with respect to such shares, including voting and dividend rights, subject, however, to the restrictions and conditions specified in Paragraph 2 below. The Grantee shall (i) sign and deliver to the Company a copy of this Award Agreement and (ii) deliver to the Company a stock power endorsed in blank.
2.      Restrictions and Conditions .
(a)      Any book entries for the shares of Restricted Stock granted herein shall bear an appropriate legend, as determined by the Administrator in its sole discretion, to the effect that such shares are subject to restrictions as set forth herein and in the Plan.
(b)      Shares of Restricted Stock granted herein may not be sold, assigned, transferred, pledged or otherwise encumbered or disposed of by the Grantee prior to vesting.
(c)      If the Grantee’s Service Relationship with the Company and its Subsidiaries is voluntarily or involuntarily terminated for any reason (including death) prior to vesting of shares of Restricted Stock granted herein, all shares of Restricted Stock shall immediately and automatically be forfeited and returned to the Company.



3.      Vesting of Restricted Stock . The restrictions and conditions in Paragraph 2 of this Agreement shall lapse on the Vesting Date or Dates specified in the following schedule so long as the Grantee remains in a Service Relationship with the Company or a Subsidiary on such Dates. If a series of Vesting Dates is specified, then the restrictions and conditions in Paragraph 2 shall lapse only with respect to the number of shares of Restricted Stock specified as vested on such date.
Incremental Number  
of Shares Vested
Vesting Date
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
_____________ (___%)
____________
Subsequent to such Vesting Date or Dates, the shares of Stock on which all restrictions and conditions have lapsed shall no longer be deemed Restricted Stock. The Administrator may at any time accelerate the vesting schedule specified in this Paragraph 3.
4.      Dividends . Dividends on shares of Restricted Stock shall be paid currently to the Grantee.
5.      Incorporation of Plan . Notwithstanding anything herein to the contrary, this Award shall be subject to and governed by all the terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.
6.      Transferability . This Agreement is personal to the Grantee, is non-assignable and is not transferable in any manner, by operation of law or otherwise, other than by will or the laws of descent and distribution.
7.      Tax Withholding . The Grantee shall, not later than the date as of which the receipt of this Award becomes a taxable event for Federal income tax purposes, pay to the Company or make arrangements satisfactory to the Administrator for payment of any Federal, state, and local taxes required by law to be withheld on account of such taxable event. The Company shall have the authority to cause the required tax withholding obligation to be satisfied, in whole or in part, by (i) withholding from shares of Stock to be issued or released by the transfer agent a number of shares of Stock with an aggregate Fair Market Value that would satisfy the withholding amount due; or (ii) causing its transfer agent to sell from the number of shares of Stock to be issued or released by the transfer agent to the Grantee, the number of shares of Stock necessary to satisfy the Federal, state and local taxes required by law to be withheld from the Grantee on account of such transfer.

2


8.      Election Under Section 83(b) . The Grantee may, within 30 days following the Grant Date of this Award, file with the Internal Revenue Service and the Company an election under Section 83(b) of the Internal Revenue Code. In the event the Grantee makes such an election, he or she agrees to provide a copy of the election to the Company. The Grantee acknowledges that he or she is responsible for obtaining the advice of his or her tax advisors with regard to the Section 83(b) election and that he or she is relying solely on such advisors and not on any statements or representations of the Company or any of its agents with regard to such election.
9.      No Obligation to Continue Service Relationship . Neither the Company nor any Subsidiary is obligated by or as a result of the Plan or this Agreement to continue the Grantee in a Service Relationship and neither the Plan nor this Agreement shall interfere in any way with the right of the Company or any Subsidiary to terminate the Service Relationship of the Grantee at any time.
10.      Integration . This Agreement constitutes the entire agreement between the parties with respect to this Award and supersedes all prior agreements and discussions between the parties concerning such subject matter.
11.      Data Privacy Consent . In order to administer the Plan and this Agreement and to implement or structure future equity grants, the Company, its subsidiaries and affiliates and certain agents thereof (together, the “Relevant Companies”) may process any and all personal or professional data, including but not limited to Social Security or other identification number, home address and telephone number, date of birth and other information that is necessary or desirable for the administration of the Plan and/or this Agreement (the “Relevant Information”). By entering into this Agreement, the Grantee (i) authorizes the Company to collect, process, register and transfer to the Relevant Companies all Relevant Information; (ii) waives any privacy rights the Grantee may have with respect to the Relevant Information; (iii) authorizes the Relevant Companies to store and transmit such information in electronic form; and (iv) authorizes the transfer of the Relevant Information to any jurisdiction in which the Relevant Companies consider appropriate. The Grantee shall have access to, and the right to change, the Relevant Information. Relevant Information will only be used in accordance with applicable law.
12.      Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall be mailed or delivered to the Grantee by the Company at the address on file with the Company or electronically through the use of an online process such as the Company’s platform or, in either case, at such other address as one party may subsequently furnish to the other party in writing.

3


SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
 
 
Title:
The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Grantee (including through an online acceptance process) is acceptable.
Dated:
 
 
 
 
 
 
Grantee’s Signature
 
 
 
 
 
 
 
 
 
 
 
Grantee’s name and address:
 
 
 
 
 
 
 
 
 
 
 
 

4


RESTRICTED STOCK UNIT AWARD AGREEMENT
FOR NON-U.S. EMPLOYEES
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Name of Grantee:
 
 
 
 
No. of Restricted Stock Units:
 
 
 
 
 
Grant Date:
 
 
Pursuant to the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan as amended through the date hereof (the “Plan”) and this Restricted Stock Unit Award Agreement for Non-U.S. Employees, including any special terms and conditions for the Grantee’s country set forth in the appendix attached hereto (the “Appendix” and, together, the “Agreement”), Slack Technologies, Inc. (the “Company”) hereby grants an award of the number of Restricted Stock Units listed above (the “Award”) to the Grantee named above. Each Restricted Stock Unit shall relate to one share of Class A Common Stock, par value $0.001 per share (the “Stock”) of the Company.
1.     Restrictions on Transfer of Award . This Award may not be sold, transferred, pledged, assigned or otherwise encumbered or disposed of by the Grantee, and any shares of Stock issuable with respect to the Award may not be sold, transferred, pledged, assigned or otherwise encumbered or disposed of until (i) the Restricted Stock Units have vested as provided in Paragraph 2 of this Agreement and (ii) shares of Stock have been issued to the Grantee in accordance with the terms of the Plan and this Agreement.
2.      Vesting of Restricted Stock Units . The restrictions and conditions of Paragraph 1 of this Agreement shall lapse on the Vesting Date or Dates specified in the following schedule so long as the Grantee remains an employee of the Company or a Subsidiary on such Dates. If a series of Vesting Dates is specified, then the restrictions and conditions in Paragraph 1 shall lapse only with respect to the number of Restricted Stock Units specified as vested on such date.
Incremental Number of  
Restricted Stock Units Vested
Vesting Date
_____________ (___%)
_______________
_____________ (___%)
_______________
_____________ (___%)
_______________
_____________ (___%)
_______________
The Administrator may at any time accelerate the vesting schedule specified in this Paragraph 2.



3.      Termination of Employment .
(a)      If the Grantee’s employment terminates for any reason (including death or disability) prior to the satisfaction of the vesting conditions set forth in Paragraph 2 above, any Restricted Stock Units that have not vested as of such date shall automatically and without notice terminate and be forfeited, and neither the Grantee nor any of his or her successors, heirs, assigns, or personal representatives will thereafter have any further rights or interests in such unvested Restricted Stock Units.
(b)      For purposes of the Award, the Grantee’s employment will be considered terminated as of the date the Grantee is no longer actively providing services as an employee to the Company or one of its Subsidiaries (regardless of the reason for such termination and whether or not later found to be invalid or in breach of labor laws in the jurisdiction where the Grantee is employed or the terms of the Grantee’s employment agreement, if any), and unless otherwise determined by the Company, the Grantee’s right to vest in the Award, if any, will terminate as of such date and will not be extended by any notice period ( e.g. , the Grantee’s period of service would not include any contractual notice period or any period of “garden leave” or similar period mandated under labor laws in the jurisdiction where the Grantee is employed or the terms of the Grantee’s employment agreement, if any). The Administrator shall have the exclusive discretion to determine when the Grantee is no longer actively providing services for purposes of this Award (including whether the Grantee may still be considered to be providing services while on a leave of absence).
4.      Issuance of Shares of Stock . As soon as practicable following each Vesting Date (but in no event later than two and one-half months after the end of the year in which the Vesting Date occurs), the Company shall issue to the Grantee the number of shares of Stock equal to the aggregate number of Restricted Stock Units that have vested pursuant to Paragraph 2 of this Agreement on such date and the Grantee shall thereafter have all the rights of a stockholder of the Company with respect to such shares.
5.      Incorporation of Plan . Notwithstanding anything herein to the contrary, this Agreement shall be subject to and governed by all the terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.
6.      Responsibility for Taxes .
(a)      The Grantee acknowledges that, regardless of any action taken by the Company or, if different, any Subsidiary employing or retaining the Grantee (the “Employer”), the ultimate liability for all income tax, social insurance, payroll tax, fringe benefits tax, payment on account or other tax related items related to the Grantee’s participation in the Plan and legally applicable to the Grantee (“Tax-Related Items”) is and remains the Grantee’s responsibility and may exceed the amount, if any, actually withheld by the Company or the Employer. The Grantee further acknowledges that the Company and/or the Employer (i) make no representations or undertakings regarding the treatment of any Tax-Related Items in connection with any aspect of

2


the Award, including, but not limited to, the grant, vesting or settlement of the Restricted Stock Units, the subsequent sale of shares of Stock acquired pursuant to such settlement and the receipt of any dividends; and (ii) do not commit to and are under no obligation to structure the terms of the grant or any aspect of the Restricted Stock Units to reduce or eliminate the Grantee’s liability for Tax-Related Items or achieve any particular tax result. Further, if the Grantee is subject to Tax-Related Items in more than one jurisdiction, the Grantee acknowledges that the Company and/or the Employer (or former employer, as applicable) may be required to withhold or account for Tax-Related Items in more than one jurisdiction.
(b)      Prior to any relevant taxable or tax withholding event, as applicable, the Grantee agrees to make adequate arrangements satisfactory to the Company and/or the Employer to satisfy all Tax-Related Items. In this regard, the Grantee authorizes the Company and/or the Employer, or their respective agents, at their discretion, to satisfy any applicable withholding obligations with regard to all Tax-Related Items by one or a combination of the following: (i) withholding from the Grantee’s wages or other cash compensation paid to the Grantee by the Company and/or the Employer; (ii) withholding from proceeds of the sale of shares of Stock acquired upon settlement of the Restricted Stock Units either through a voluntary sale or through a mandatory sale arranged by the Company (on the Grantee’s behalf pursuant to this authorization without further consent); (iii) withholding from shares of Stock to be issued to the Grantee upon settlement of the Restricted Stock Units; or (iv) any other method of withholding determined by the Administrator and permitted by applicable law.
(c)      The Company and/or the Employer may withhold or account for Tax-Related Items by considering minimum statutory withholding rates or other withholding rates, including applicable maximum rates in the Grantee’s jurisdiction(s), in which case the Grantee may receive a refund of any over-withheld amount in cash and will have no entitlement to the equivalent amount in shares of Stock. If the obligation for Tax-Related Items is satisfied by withholding in shares of Stock, for tax purposes, the Grantee is deemed to have been issued the full number of shares of Stock subject to the vested Restricted Stock Units, notwithstanding that a number of the shares of Stock are held back solely for the purpose of paying the Tax-Related Items.
(d)      The Grantee agrees to pay to the Company or the Employer any amount of Tax-Related Items that the Company or the Employer may be required to withhold or account for as a result of the Grantee’s participation in the Plan that cannot be satisfied by the means previously described. The Company may refuse to issue or deliver the shares of Stock, or the proceeds of the sale of shares of Stock, if the Grantee fails to comply with his or her obligations in connection with the Tax-Related Items.
7.      Section 409A of the Code . To the extent the Grantee is a U.S. taxpayer, this Agreement shall be interpreted in such a manner that all provisions relating to the settlement of the Award are exempt from the requirements of Section 409A of the Code as “short-term deferrals” as described in Section 409A of the Code.
8.      No Obligation to Continue Employment . The grant of the Award shall not be interpreted as forming an employment or service contract with the Company, and shall not be

3


construed as giving the Grantee the right to be retained in the employ of, or otherwise provide services to, the Employer or any other Subsidiary. Neither the Plan nor this Agreement shall interfere in any way with the right of the Employer to terminate the employment of the Grantee at any time.
9.      Integration . This Agreement constitutes the entire agreement between the parties with respect to this Award and supersedes all prior agreements and discussions between the parties concerning such subject matter.
10.      A. Data Privacy Information (Grantees in EEA and UK) . This Section 10A applies to Grantees residing within the European Economic Area and UK. For the avoidance of doubt, this Section does not apply to Grantees residing outside the European Economic Area and UK. The privacy notice annexed to this Agreement (“ Privacy Notice ”) describes how the Company and the Employer collect and process the personal information of Grantees residing in the European Economic Area and UK in the context of this Agreement, the Plan, and the provision of the Award and the Grantee hereby acknowledges the contents of the Privacy Notice. For the avoidance of doubt, the contents of the Privacy Notice are not binding on Grantees in the European Economic Area and UK as contractual obligations and may be updated by the Company and/or the Employer from time to time without recourse to the amendment provisions of this Agreement or the Plan.
B. Data Privacy Information and Consent (Grantees outside EEA and UK) . This Section 10B applies to Grantees residing outside the European Economic Area and UK. For the avoidance of doubt, this Section does not apply to Grantees residing within the European Economic Area and UK:
(i)      Data Collection and Usage. The Company and the Employer collect, process and use certain personal information about the Grantee, including, but not limited to, the Grantee’s name, home address, telephone number, email address, date of birth, social insurance number, passport or other identification number, salary, nationality, job title, any shares of Stock or directorships held in the Company, details of all awards granted under the Plan or any other entitlement to Stock awarded, canceled, exercised, vested, unvested or outstanding in the Grantee’s favor (“Data”), for purposes of implementing, administering and managing the Plan. The legal basis, where required, for the processing of Data is the Grantee’s consent.
(ii)      Stock Plan Administration Service Providers. The Company transfers Data to E*TRADE Financial Corporate Services, Inc. and certain of its affiliates (“E*TRADE”), which is assisting the Company with the implementation, administration and management of the Plan. The Company may select a different service provider or additional service providers and share Data with such other provider serving in a similar manner. The Grantee may be asked to agree on separate terms and data processing practices with E*TRADE, with such agreement being a condition to the ability to participate in the Plan.
(iii)      International Data Transfers. The Company and E*TRADE are based in the U.S., which means that it will be necessary for Data to be transferred to, and processed in, the U.S. The Grantee’s country or jurisdiction may have different data privacy laws and protections

4


than the U.S. The Company’s legal basis for the transfer of Data, where required, is the Grantee’s consent.
(iv)      Data Retention. The Company will hold and use Data only as long as is necessary to implement, administer and manage the Grantee’s participation in the Plan, or as required to comply with legal or regulatory obligations, including under tax, exchange control, labor and securities laws. This period may extend beyond the Grantee’s period of employment with the Employer. When the Company or the Employer no longer need Data for any of the above purposes, they will cease processing it in this context and remove it from all of their systems used for such purposes to the fullest extent practicable.
(v)      Voluntariness and Consequences of Consent Denial or Withdrawal. Participation in the Plan is voluntary and the Grantee is providing the consents herein on a purely voluntary basis. If the Grantee does not consent, or if the Grantee later seeks to revoke the consent, the Grantee’s salary from or employment with the Employer will not be affected; the only consequence of refusing or withdrawing consent is that the Company would not be able to grant the Award or other awards under the Plan or administer or maintain such awards.
(vi)      Data Subject Rights. The Grantee may have a number of rights under data privacy laws in his or her jurisdiction. Depending on where the Grantee is based, such rights may include the right to (i) request access to or copies of Data the Company processes, (ii) rectify incorrect Data, (iii) delete Data, (iv) restrict the processing of Data, (v) restrict the portability of Data, (vi) lodge complaints with competent authorities in the Grantee’s jurisdiction, and/or (vii) receive a list with the names and addresses of any potential recipients of Data. To receive clarification regarding these rights or to exercise these rights, the Grantee can contact his or her local human resources representative.
(vii)      Other Legal Basis and Additional Consent. The Grantee understands that the Company may rely on a different legal basis for the collection, processing or transfer of Data in the future and/or request the Grantee to provide another data privacy consent. If applicable, upon request of the Company or the Employer, the Grantee will provide a separate executed data privacy agreement (or any other agreements or consents) that the Company and/or the Employer may deem necessary to obtain from the Grantee for the purpose of administering his or her participation in the Plan in compliance with the data privacy laws in the Grantee’s country, either now or in the future. The Grantee understands and agrees that the Grantee will not be able to participate in the Plan, if the Grantee fails to provide any such agreement requested by the Company and/or the Employer.
11.      Nature of Grant . In accepting the grant of the Award, the Grantee acknowledges, understands and agrees that:
(a)      the Plan is established voluntarily by the Company, it is discretionary in nature and may be amended, suspended or terminated by the Company at any time, to the extent permitted by the Plan;

5


(b)      the grant of the Award is exceptional, voluntary and occasional and does not create any contractual or other right to receive future grants of Restricted Stock Units, or benefits in lieu of Restricted Stock Units, even if Restricted Stock Units have been granted in the past;
(c)      all decisions with respect to future Restricted Stock Units or other grants, if any, will be at the sole discretion of the Company;
(d)      the Grantee is voluntarily participating in the Plan;
(e)      the Restricted Stock Units and any shares of Stock subject to the Restricted Stock Units, and the income from and value of same, are not intended to replace any pension rights or compensation;
(f)      unless otherwise agreed with the Company, the Restricted Stock Units and the shares of Stock subject to the Restricted Stock Units, and the income from and value of same, are not granted as consideration for, or in connection with, the service the Grantee may provide as a director of a Subsidiary;
(g)      the Restricted Stock Units and any shares of Stock subject to the Restricted Stock Units, and the income from and value of same, are not part of normal or expected compensation for any purpose, including, without limitation, calculating any severance, resignation, termination, redundancy, dismissal, end-of-service payments, bonuses, long-service awards, holiday pay, pension or retirement or welfare benefits or similar mandatory payments;
(h)      the future value of the shares of Stock underlying the Restricted Stock Units is unknown, indeterminable, and cannot be predicted with certainty;
(i)      no claim or entitlement to compensation or damages shall arise from forfeiture of the Restricted Stock Units resulting from the termination of the Grantee’s employment (for any reason whatsoever, whether or not later found to be invalid or in breach of labor laws in the jurisdiction where the Grantee is employed or the terms of the Grantee’s employment agreement, if any);
(j)      unless otherwise provided in the Plan or by the Company in its discretion, the Restricted Stock Units and the benefits evidenced by this Agreement do not create any entitlement to have the Restricted Stock Units or any such benefits transferred to, or assumed by, another company nor to be exchanged, cashed out or substituted for, in connection with any corporate transaction affecting the shares of Stock; and
(k)      neither the Company, the Employer nor any other Subsidiary shall be liable for any foreign exchange rate fluctuation between the Grantee’s local currency and the U.S. dollar that may affect the value of the Restricted Stock Units or of any amounts due to the Grantee pursuant to the settlement of the Restricted Stock Units or the subsequent sale of any shares of Stock acquired upon settlement.

6


12.      Compliance with Law . Notwithstanding any other provision of the Plan or this Agreement, unless there is an available exemption from any registration, qualification or other legal requirement applicable to the shares of Stock, the Company shall not be required to deliver any shares of Stock issuable upon settlement of the Award prior to the completion of any registration or qualification of the Stock under any U.S. or non-U.S. local, state or federal securities or other applicable law or under rulings or regulations of the U.S. Securities and Exchange Commission (“SEC”) or of any other U.S. or non-U.S. governmental regulatory body, or prior to obtaining any approval or other clearance from any U.S. or non-U.S. local, state or federal governmental agency, which registration, qualification or approval the Company shall, in its absolute discretion, deem necessary or advisable. The Grantee understands that the Company is under no obligation to register or qualify the shares of Stock subject to the Award with the SEC or any U.S. state or non-U.S. securities commission or to seek approval or clearance from any governmental authority for the issuance or sale of the Stock. Further, the Grantee agrees that the Company shall have unilateral authority to amend the Plan and this Agreement without the Grantee’s consent to the extent necessary to comply with securities or other laws applicable to the issuance of the shares of Stock.
13.      Appendix . Notwithstanding any provision in this Restricted Stock Unit Award Agreement for Non-U.S. Employees, the Restricted Stock Units shall be subject to any special terms and conditions set forth in the Appendix attached hereto for the Grantee’s country. Moreover, if the Grantee relocates to one of the countries included in the Appendix during the life of the Restricted Stock Units, the terms and conditions for such country shall apply to the Grantee, to the extent the Company determines that the application of such terms and conditions is necessary or advisable for legal or administrative reasons. The Appendix constitutes part of this Agreement.
14.      Language . The Grantee acknowledges that he or she is proficient in the English language, or has consulted with an advisor who is sufficiently proficient in English, so as to allow the Grantee to understand the terms and conditions of this Agreement. If the Grantee has received this Agreement, or any other documents related to the Award and/or the Plan translated into a language other than English and if the meaning of the translated version is different than the English version, the English version will control.
15.      Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall be mailed or delivered to the Grantee at the address on file with the Company or, in either case, at such other address as one party may subsequently furnish to the other party in writing.
16.      Waivers . The Grantee acknowledges that a waiver by the Company of breach of any provision of this Agreement shall not operate or be construed as a waiver of any other provision of this Agreement, or of any subsequent breach by the Grantee or any other grantees.
17.      Governing law and Venue . This Agreement shall be governed by, and construed in accordance with, the General Corporation Law of the State of Delaware as to matters within the scope thereof, and as to all other matters shall be governed by and construed in accordance with, the internal laws of the State of California, applied without regard to conflict of law

7


principles. For purposes of litigating any dispute that arises directly or indirectly from the relationship of the parties evidenced by the Stock Option or this Agreement, the parties hereby submit to and consent to the exclusive jurisdiction of the State of California and agree that such litigation shall be conducted only in the courts of San Francisco County, California, or the U.S. District Court for the Northern District of California, where this grant is made and/or to be performed, and no other courts.
18.      Severability . The provisions of this Agreement are severable and if any one or more provisions are determined to be illegal or otherwise unenforceable, in whole or in part, the remaining provisions shall nevertheless be binding and enforceable.
19.      Imposition of Other Requirements . The Company reserves the right to impose other requirements on the Award and the shares of Stock acquired upon settlement of the Restricted Stock Units, to the extent the Company determines it is necessary or advisable for legal or administrative reasons, and to require the Grantee to accept any additional agreements or undertakings that may be necessary to accomplish the foregoing.
20.      Electronic Delivery and Acceptance . The Company may, in its sole discretion, decide to deliver any documents related to current or future participation in the Plan by electronic means. The Grantee hereby consents to receive such documents by electronic delivery and agrees to participate in the Plan through an on-line or electronic system established and maintained by the Company or a third party designated by the Company.
21.      Insider Trading Restrictions / Market Abuse Laws . By accepting the Award, the Grantee acknowledges that he or she is bound by all the terms and conditions of the Company’s insider trading policy as may be in effect from time to time. The Grantee further acknowledges that, depending on the Grantee’s or his or her broker’s country or the country in which the shares of Stock are listed, he or she may be subject to insider trading restrictions and/or market abuse laws which may affect the Grantee’s ability to accept, acquire, sell or otherwise dispose of shares of Stock, rights to shares of Stock ( e.g. , Restricted Stock Units) or rights linked to the value of shares of Stock under the Plan during such times as the Grantee is considered to have “inside information” regarding the Company (as defined by the laws in the applicable jurisdictions). Local insider trading laws and regulations may prohibit the cancellation or amendment of orders the Grantee placed before the Grantee possessed inside information.  Furthermore, the Grantee could be prohibited from (i) disclosing the inside information to any third party, which may include fellow employees and (ii) “tipping” third parties or causing them otherwise to buy or sell securities.  Any restrictions under these laws or regulations are separate from and in addition to any restrictions that may be imposed under the Company’s insider trading policy as may be in effect from time to time. The Grantee acknowledges that it is the Grantee’s responsibility to comply with any applicable restrictions, and the Grantee should speak to his or her personal advisor on this matter.
22.      Foreign Asset/Account, Exchange Control and Tax Reporting . Depending on the Grantee’s country, the Grantee may be subject to foreign asset/account, exchange control, tax reporting or other requirements which may affect the Grantee’s ability acquire or hold Restricted Stock Units or shares of Stock under the Plan or cash received from participating in the Plan

8


(including dividends and the proceeds arising from the sale of shares of Stock) in a brokerage/bank account outside the Grantee’s country. The applicable laws of the Grantee’s country may require that he or she report such Restricted Stock Units, shares of Stock, accounts, assets or transactions to the applicable authorities in such country and/or repatriate funds received in connection with the Plan to the Grantee’s country within a certain time period or according to certain procedures. The Grantee acknowledges that he or she is responsible for ensuring compliance with any applicable requirements and should consult his or her personal legal advisor to ensure compliance with applicable laws.
(Signature page follows.)

9


SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
 
 
Title:
The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Grantee (including through an online acceptance process) is acceptable.
Dated:
 
 
 
 
 
 
Grantee’s Signature
 
 
 
 
 
 
 
 
 
 
 
Grantee’s name and address:
 
 
 
 
 
 
 
 
 
 
 
 


10


APPENDIX
TO
RESTRICTED STOCK UNIT AWARD AGREEMENT
FOR NON-US EMPLOYEES
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Capitalized terms used but not defined in this Appendix shall have the same meanings assigned to them in the Plan and/or the Restricted Stock Unit Award Agreement for Non-US Employees (the “Restricted Stock Unit Agreement”).
Terms and Conditions
This Appendix includes special terms and conditions that govern the Award if the Grantee works and/or resides in one of the countries listed below. If the Grantee is a citizen or resident of a country other than the one in which the Grantee is currently working and/or residing (or is considered as such for local law purposes), or if the Grantee transfers employment and/or residency to a different country after the Award is granted, the Company will, in its discretion, determine the extent to which the terms and conditions contained herein will apply to the Grantee.
Notifications
This Appendix also includes information regarding certain other issues of which the Grantee should be aware with respect to the Grantee’s participation in the Plan. The information is based on the securities, exchange control and other laws in effect in the respective countries as of December 2018. Such laws are often complex and change frequently. As a result, the Grantee should not rely on the information noted herein as the only source of information relating to the consequences of participation in the Plan because the information may be out-of-date at the time the Grantee vests in the Award or sells any shares of Stock acquired under the Plan.
In addition, the information contained herein is general in nature and may not apply to the Grantee’s particular situation. As a result, the Company is not in a position to assure the Grantee of any particular result. Accordingly, the Grantee should seek appropriate professional advice as to how the relevant laws in the Grantee’s country may apply to the Grantee’s individual situation.
If the Grantee is a citizen or resident of a country other than the one in which the Grantee is currently working and/or residing (or is considered as such for local law purposes), or if the Grantee transfers employment and/or residency to a different country after the Award is granted, the information contained in this Appendix may not be applicable to the Grantee in the same manner.

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AUSTRALIA
Terms and Conditions
Australian Offer Document . The Grantee understands that the offering of the Plan in Australia is intended to qualify for an exemption from the prospectus requirements under Class Order 14/1000 issued by the Australian Securities and Investments Commission. Participation in the Plan is subject to the terms and conditions set forth in the Australian Offer Document and the Plan documentation provided to the Grantee.
Notifications
Tax Information . The Plan is a plan to which Subdivision 83A-C of the Income Tax Assessment Act 1997 (Cth) applies (subject to conditions in the Act).
Exchange Control Information . Exchange control reporting is required for cash transactions exceeding AUD10,000 and for international fund transfers. If an Australian bank is assisting with the transaction, the bank will file the report on the Grantee’s behalf.
CANADA
Terms and Conditions
Award Payable Only in Stock . Notwithstanding anything to the contrary in Section 8(a) of the Plan, the Restricted Stock Units shall be paid in shares of Stock only and do not provide the Grantee with any right to receive a cash payment. This provision is without prejudice to the application of Paragraph 6 of the Restricted Stock Unit Award Agreement for Non-US Employees.
Termination of Employment . The following provisions replace Paragraph 3(b) of the Restricted Stock Unit Agreement:
For purposes of the Award, except as otherwise provided under applicable law, the date of the Grantee’s termination of employment shall be the date that is the earliest of (i) the date on which the Grantee’s employment is terminated, (ii) the date on which the Grantee receives notice of termination, or (iii) the date on which the Grantee is no longer actively providing services to the Company or any Subsidiary, regardless of any notice period or period of pay in lieu of such notice required under applicable employment laws in the jurisdiction where the Grantee is employed (including, but not limited to statutory law, regulatory law and/or common law) or the terms of the Grantee’s employment agreement, if any. The Administrator shall have the exclusive discretion to determine when the Grantee is no longer actively providing services for purposes of the Award (including whether the Grantee may still be considered to be providing services while on a leave of absence).

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The following provisions apply if the Grantee resides in Quebec:
Language . The parties acknowledge that it is their express wish that the Agreement, as well as all documents, notices and legal proceedings entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English.
Les parties reconnaissent avoir exigé la rédaction en anglais de cette convention, ainsi que de tous documents, avis et procédures judiciaires, exécutés, donnés ou intentés en vertu de, ou liés directement ou indirectement à, la présente convention.
Data Privacy . The Grantee hereby authorizes the Company and the Company’s representatives to discuss with and obtain all relevant information from all personnel, professional or non-professional, involved in the administration and operation of the Plan. The Grantee further authorizes the Company and any Subsidiary and the Administrator to disclose and discuss the Plan with their advisors and to record all relevant information and keep such information in the Grantee’s employee file.
Notifications
Securities Law Information . The Grantee is permitted to sell shares of Stock acquired under the Plan through the designated broker appointed under the Plan, if any, provided the resale of shares of Stock acquired under the Plan takes place outside Canada through the facilities of a stock exchange on which the Stock is listed.
Foreign Asset/Account Reporting Information . Canadian taxpayers must report annually on Form T1135 (Foreign Income Verification Statement) the foreign specified property (including shares of Stock acquired under the Plan) held if the total value of such foreign specified property exceeds C$100,000 at any time during the year. Unvested Restricted Stock Units also must be reported (generally at nil cost) on Form 1135 if the C$100,000 threshold is exceeded due to other foreign specified property held. If shares of Stock are acquired, their cost generally is the adjusted cost base (“ACB”) of the shares. The ACB ordinarily would equal the fair market value of the shares of Stock at the time of acquisition, but if the Grantee owns other shares, this ACB may have to be averaged with the ACB of the other shares. The Form T1135 must be filed at the same time the individual's files his or her annual tax return. The Grantee should consult his or her personal legal advisor to ensure compliance with applicable reporting obligations.
FRANCE
Terms and Conditions
Language Consent . By accepting the Award, the Grantee confirms having read and understood the documents relating to this grant (the Plan and the Agreement) which were provided to the Grantee in English. The Grantee accepts the terms of those documents accordingly.
Reconnaissance Relative à la Langue Utilisée . En acceptant le attribution, le Bénéficiaire confirme avoir lu et compris les documents relatifs à cette attribution (le Plan et ce Contrat) qui

13


ont été communiqués au Bénéficiaire en langue anglaise. Le Bénéficiaire accepte les termes de ces documents en connaissance de cause.
Notifications
Tax Information . The Award is not intended to be a French tax-qualified award.
Foreign Asset/Account Reporting Information . French residents are required to report all foreign accounts (whether open, current or closed) to the French tax authorities on their annual tax returns. Failure to complete this reporting triggers penalties. The Grantee should consult his or her personal advisor to ensure compliance with applicable reporting obligations.
GERMANY
Notifications
Exchange Control Information . German residents must electronically report cross-border payments in excess of €12,500 to the German Federal Bank ( Bundesbank ) on a monthly basis. In case of payments in connection with securities (including any proceeds realized upon the sale of shares of Stock or the receipt of any dividends), the report must be made by the fifth day of the month following the month in which the payment was received. The form of report (“ Allgemeines Meldeportal Statistik ”) can be accessed via the Bundesbank’s website (www.bundesbank.de). The Grantee should consult his or her personal advisor to ensure compliance with applicable reporting obligations.
Foreign Asset/Account Reporting Information . If the acquisition of shares of Stock under the Plan leads to a so-called qualified participation at any point during the calendar year, the Grantee will need to report the acquisition when the Grantee files his or her tax return for the relevant year. A qualified participation is attained if (i) the value of the shares of Stock acquired exceeds EUR 150,000 or (ii) in the unlikely event the Grantee holds shares of Stock exceeding 10% of the total number of shares of Stock.
INDIA
Notifications
Exchange Control Information . The Grantee must repatriate any proceeds from the sale of shares of Stock acquired under the Plan or any dividends paid on such shares of Stock to India within such period of time as will be required under applicable regulations. The Grantee should obtain a foreign inward remittance certificate (“FIRC”) from the bank where the Grantee deposits the foreign currency and maintain the FIRC as evidence of the repatriation of funds in the event the Reserve Bank of India, the Company, or the Employer requests proof of repatriation.
Foreign Asset/Account Reporting Information . Indian residents are required to declare any foreign bank accounts and any foreign financial assets (including shares of Stock held outside India) in their annual tax return.

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IRELAND
Terms and Conditions
Nature of Grant . The following provision supplements Section 11 of the Restricted Stock Unit Agreement:
In accepting the Award, the Grantee understands and agrees that the benefits received under the Plan will not be taken into account for any redundancy or unfair dismissal claim.
Notifications
Director Notification Obligation . Directors, shadow directors or secretaries of an Irish Subsidiary must notify the Irish Subsidiary in writing within five business days of receiving or disposing of an interest in the Company ( e.g ., Awards granted under the Plan, shares of Stock, etc.), or within five business days of becoming aware of the event giving rise to the notification requirement or within five business days of becoming a director or secretary if such an interest exists at the time, but only to the extent such individuals own 1% or more of the shares of Stock. If applicable, this notification requirement also applies with respect to the interests of the spouse or children under the age of 18 of the director, shadow director or secretary (whose interests will be attributed to the director, shadow director or secretary).
JAPAN
Notifications
Foreign Asset/Account Reporting Information . Japanese residents and foreign nationals with permanent residency in Japan are required to report details of any assets held outside Japan as of December 31 (including shares of Stock acquired under the Plan), to the extent such assets have a total net fair market value exceeding ¥50 million. Such report will be due by March 15 each year. The Grantee should consult with his or her personal tax advisor to ensure compliance with applicable reporting obligations.
UNITED KINGDOM
Terms and Conditions
Award Payable Only in Stock . Notwithstanding anything to the contrary in Section 8(a) of the Plan, the Restricted Stock Units shall be paid in shares of Stock only and do not provide the Grantee with any right to receive a cash payment. This provision is without prejudice to the application of Paragraph 6 of the Restricted Stock Unit Agreement.
Responsibility for Taxes . The following provisions supplement Paragraph 6 of the Restricted Stock Unit Agreement:
Without limitation to Paragraph 6 of the Restricted Stock Unit Agreement, the Grantee agrees that the Grantee is liable for all Tax-Related Items and hereby covenants to pay all such Tax-

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Related Items as and when requested by the Company or, if different, the Employer or by Her Majesty’s Revenue and Customs (“HMRC”) (or any other tax authority or any other relevant authority). The Grantee also agrees to indemnify and keep indemnified the Company or the Employer against any Tax-Related Items that they are required to pay or withhold or have paid or will pay to HMRC (or any other tax authority or any other relevant authority) on the Grantee’s behalf.
Notwithstanding the foregoing, if the Grantee is a director or executive officer of the Company (within the meaning of Section 13(k) of the Exchange Act), the terms of the immediately foregoing provision will not apply if the indemnification is viewed as a loan. In such case, if the amount of any income tax due is not collected from or paid by the Grantee within 90 days of the end of the U.K. tax year in which an event giving rise to the indemnification described above occurs, the amount of any uncollected income taxes may constitute a benefit to the Grantee on which additional income tax and National Insurance contributions (“NICs”) may be payable. The Grantee will be responsible for reporting and paying any income tax due on this additional benefit directly to HMRC under the self-assessment regime and for paying to the Company or the Employer, as applicable, any employee NICs due on this additional benefit, which the Company or the Employer may recover from the Grantee by any of the means referred to in Paragraph 6 of the Restricted Stock Unit Agreement.
NIC Joint Election . As a condition of participation in the Plan and the vesting of the Restricted Stock Units, the Grantee agrees to accept any liability for secondary Class 1 National Insurance Contributions that may be payable by the Company or the Employer (or any successor to the Company or the Employer) in connection with the Restricted Stock Units and any event giving rise to Tax-Related Items in relation to the Restricted Stock Units (the “Employer NICs”).
Without limitation to the foregoing, by accepting this Agreement, the Grantee agrees to execute the attached joint election with the Company and/or the Employer to satisfy the obligation for Employer NICs in relation to the Restricted Stock Units (the “NIC Joint Election”). The Grantee further agrees to execute such other elections as may be required between the Grantee and any successor to the Company or the Employer for the purpose of continuing the effectiveness of the NIC Joint Election. The Grantee agrees that the Employer NICs may be collected by the Company or the Employer using any of the methods described in Section 6 of the Restricted Stock Unit Agreement.
If the Grantee does not enter into an NIC Joint Election prior to the vesting of the Restricted Stock Units, the Grantee will not be entitled to vest in the Restricted Stock Units, and no shares of Stock will be issued to the Grantee under the Plan, without any liability to the Company, the Employer or any other Subsidiary.

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ADDITIONAL WORDING TO INCLUDE FOR ELECTIONS TO BE ENTERED INTO ELECTRONICALLY:
Important Note on the Election to Transfer Employer National Insurance Contributions
As a condition of the Grantee’s participation in the Plan, the Grantee is required to enter into an election to transfer to the Grantee any liability for employer’s secondary Class 1 National Insurance Contributions (“Employer’s NICs”) that may arise in connection with the Grantee’s participation in the Plan (the “Election”).
By entering into the Election:
the Grantee agrees that any Employer’s NICs liability that may arise in connection with the Grantee’s participation in the Plan will be transferred to the Grantee;
the Grantee authorises the Employer and the Company to recover an amount sufficient to cover this liability by such methods including, but not limited to, deductions from the Grantee’s salary or other payments due or the sale of sufficient shares of shares of Stock acquired pursuant to the Restricted Stock Units; and
the Grantee acknowledges that even if the Grantee has clicked on the [“ACCEPT”] box where indicated, the Company or the Employer may still require the Grantee to sign a paper copy of this Election (or a substantially similar form) if the Company or the Employer determines such is necessary to give effect to the Election.
Signing or clicking on the [“ACCEPT”] box indicates the Grantee’s acceptance of the Election. The Grantee should read the terms of the Election carefully before accepting the Election.
Please print and keep a copy of the Election for the Grantee’s records.

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SLACK TECHNOLOGIES, IN.C
2019 STOCK OPTION AND INCENTIVE PLAN
(UK Employees)
Election To Transfer the Employer’s National Insurance Liability to the Employee
1.
PARTIES
This Election is between:
(A)
The Employee who is employed by one of the employing companies listed in the attached schedule (the “Employer”) and who has been granted Restricted Stock Units (“RSUs”) pursuant to the terms and conditions of Slack Technologies, Inc. 2019 Stock Option and Incentive Plan, as amended from time to time (the “Plan”), and
(B)
Slack Technologies, Inc. of 500 Howard St., San Francsico, CA USA 94105 (the “Company”), which may grant RSUs under the Plan and is entering into this Form of Election on behalf of the Employer.
2.
PURPOSE OF ELECTION
2.1
This Election relates to all RSUs granted to the Employee under the Plan up to the termination date of the Plan.
2.2
In this Election the following words and phrases have the following meanings:
ITEPA ” means the Income Tax (Earnings and Pensions) Act 2003.
Relevant Employment Income ” from RSUs on which employer’s National Insurance Contributions becomes due is defined as:
(i)
an amount that counts as employment income of the earner under section 426 ITEPA (restricted securities: charge on certain post-acquisition events);
(ii)
an amount that counts as employment income of the earner under section 438 of ITEPA (convertible securities: charge on certain post-acquisition events); or
(iii)
any gain that is treated as remuneration derived from the earner’s employment by virtue of section 4(4)(a) SSCBA, including without limitation:
(A)
the acquisition of securities pursuant to the RSUs (within the meaning of section 477(3)(a) of ITEPA);

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(B)
the assignment (if applicable) or release of the RSUs in return for consideration (within the meaning of section 477(3)(b) of ITEPA);
(C)
the receipt of a benefit in connection with the RSUs, other than a benefit within (i) or (ii) above (within the meaning of section 477(3)(c) of ITEPA).
SSCBA ” means the Social Security Contributions and Benefits Act 1992.
“Taxable Event” means any event giving rise to Relevant Employment Income.
2.3
This Election relates to the Employer’s secondary Class 1 National Insurance contributions (the “Employer’s Liability”) which may arise in respect of Relevant Employment Income in respect of the RSUs pursuant to section 4(4)(a) and/or paragraph 3B(1A) of Schedule 1 of the SSCBA.
2.4
This Election does not apply in relation to any liability, or any part of any liability, arising as a result of regulations being given retrospective effect by virtue of section 4B(2) of either the SSCBA or the Social Security Contributions and Benefits (Northern Ireland) Act 1992.
2.5
This Election does not apply to the extent that it relates to relevant employment income which is employment income of the earner by virtue of Chapter 3A of Part VII of ITEPA (employment income: securities with artificially depressed market value).
2.6
Any reference to the Company and/or the Employer shall include that entity’s successors in title and assigns as permitted in accordance with the terms of the Plan and the Restricted Stock Unit Award Agreement for Non-US Employees. This Election will have effect in respect of the RSUs and any awards which replace or replaced the RSUs following their grant in circumstances where section 483 of ITEPA applies.
3.
ELECTION
The Employee and the Company jointly elect that the entire liability of the Employer to pay the Employer’s Liability that arises on any Relevant Employment Income is hereby transferred to the Employee. The Employee understands that, by signing or electronically accepting this Election by clicking on the [“ACCEPT”] box, he or she will become personally liable for the Employer’s Liability covered by this Election. This Election is made in accordance with paragraph 3B(1) of Schedule 1 to SSCBA.

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4.
PAYMENT OF THE EMPLOYER’S LIABILITY
4.1
The Employee hereby authorises the Company and/or the Employer to collect the Employer’s Liability in respect of any Relevant Employment Income from the Employee at any time after the Taxable Event:
(i)
by deduction from salary or any other payment payable to the Employee at any time on or after the date of the Taxable Event; and/or
(ii)
directly from the Employee by payment in cash or cleared funds; and/or
(iii)
by arranging, on behalf of the Employee, for the sale of some of the securities which the Employee is entitled to receive in respect of the RSUs; and/or
(iv)
by any other means specified in the Restricted Stock Unit Award Agreement for Non-US Employees.
4.2
The Company hereby reserves for itself and the Employer the right to withhold the transfer of any securities in respect of the RSUs to the Employee until full payment of the Employer’s Liability is received.
4.3
The Company agrees to procure the remittance by the Employer of the Employer’s Liability to HM Revenue and Customs on behalf of the Employee within 14 days after the end of the U.K. tax month during which the Taxable Event occurs (or within 17 days after the end of the U.K. tax month during which the Taxable Event occurs, if payments are made electronically).
5.
DURATION OF ELECTION
5.1
The Employee and the Company agree to be bound by the terms of this Election regardless of whether the Employee is transferred abroad or is not employed by the Employer on the date on which the Employer’s Liability becomes due.
5.2
This Election will continue in effect until the earliest of the following:
(i)
the Employee and the Company agree in writing that it should cease to have effect;
(ii)
on the date the Company serves written notice on the Employee terminating its effect;
(iii)
on the date HM Revenue and Customs withdraws approval of this Election; or
(iv)
after due payment of the Employer’s Liability in respect of the entirety of the Options to which this Election relates or could relate, such that the Election ceases to have effect in accordance with its terms.

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Acceptance by the Employee
The Employee acknowledges that by signing or electronically accepting this Election by clicking on the [“ACCEPT”] box, the Employee agrees to be bound by the terms of this Election.
Signed
 
 
The Employee
Acceptance by the Company
The Company acknowledges that, by arranging for the scanned signature of an authorised representative to appear on this Election, the Company agrees to be bound by the terms of this Election.
Signed for and on behalf of the Company
 
 
Name:
Title:

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SCHEDULE OF EMPLOYER COMPANIES
The following are the employing companies to which this Joint Election may apply:
Name:
 
UK Office:


Company Registration Number:
 
Corporation Tax Reference:
 
PAYE Reference:
 

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ANNEX
PRIVACY NOTICE
This Privacy Notice (the “ Notice ”) is provided as an annex to the Plan and the Agreement. This Notice is intended to provide information about the collection and processing of the Grantee’s personal information by the Company and, as relevant, the Employer. Capitalized terms used but not defined in this Notice shall have the same meanings assigned to them in the Plan and/or the Agreement.
(a)      Data Collection and Usage . The Company and the Employer collect, process and use certain personal information about the Grantee, which may include information such as the Grantee’s name, home address, telephone number, email address, date of birth, social insurance number, passport or other identification number, salary, nationality, job title, any shares of Stock or directorships held in the Company, details of all awards granted under the Plan or any other entitlement to Stock awarded, canceled, exercised, vested, unvested or outstanding in the Grantee’s favor (“ Data ”), for purposes of implementing, administering and managing the Plan. The Company and, where relevant, the Employer is the controller of such Data. The legal basis, where required, for the processing of Data is that the processing is contractually necessary for the performance of the Agreement.
(b)      Stock Plan Administration Service Providers . The Company transfers Data to E*TRADE Financial Corporate Services, Inc. and certain of its affiliates (“E*TRADE”), which is assisting the Company with the implementation, administration and management of the Plan. The Company may select a different service provider or additional service providers and share Data with such other provider serving in a similar manner. The Grantee may be provided with separate terms and data processing practices with E*TRADE, as such agreement is contractually required to implement the Award under the Plan.
(c)      International Data Transfers . The Company and E*TRADE are based in the U.S., which means that it will be necessary for Data to be transferred to, and processed in, the U.S. The Grantee’s country or jurisdiction may have different data privacy laws and protections than the U.S. For example, the European Commission has issued a limited adequacy finding with respect to the U.S. that applies only to the extent companies register for the EU-U.S. Privacy Shield program. The Company has registered for the EU-U.S. Privacy Shield program. The Company’s basis for the transfer of Data, where required, is the EU-U.S. Privacy Shield Program.
(d)      Data Retention . The Company will hold and use Data only as long as is necessary to implement, administer and manage the Grantee’s participation in the Plan, or as required to comply with legal or regulatory obligations, including under tax, exchange control, labor and securities laws. This period may extend beyond the Grantee's period of employment with the Employer. When the Company or the Employer no longer need Data for any of the above purposes, they will cease processing it in this context and remove it from all of their systems used for such purposes to the fullest extent practicable.

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(e)      Data Subject Rights . The Grantee may have a number of rights under data privacy laws in his or her jurisdiction. Depending on where the Grantee is based, such rights may include the right to (i) request access to or copies of Data the Company processes, (ii) rectify incorrect Data, (iii) delete Data, (iv) restrict the processing of Data, (v) request the portability of Data, (vi) lodge complaints with competent authorities in the Grantee’s jurisdiction, and/or (vii) receive a list with the names and addresses of any potential recipients of Data. To receive clarification regarding these rights or to exercise these rights, the Grantee can contact his or her local human resources representative.
(f)      Further Information and Contact . For further information, including the contact details of the data protection officer and, where relevant, the appropriate supervisory authority for lodging complaints, the Optionee can consult the Slack Employee Privacy Policy.

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RESTRICTED STOCK UNIT AWARD AGREEMENT
FOR NON-EMPLOYEE DIRECTORS
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Name of Grantee:
 
 
 
 
No. of Restricted Stock Units:
 
 
 
 
 
Grant Date:
 
 
Pursuant to the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan as amended through the date hereof (the “Plan”), Slack Technologies, Inc. (the “Company”) hereby grants an award of the number of Restricted Stock Units listed above (an “Award”) to the Grantee named above. Each Restricted Stock Unit shall relate to one share of Class A Common Stock, par value $0.0001 per share (the “Stock”) of the Company.
1.     Restrictions on Transfer of Award . This Award may not be sold, transferred, pledged, assigned or otherwise encumbered or disposed of by the Grantee, and any shares of Stock issuable with respect to the Award may not be sold, transferred, pledged, assigned or otherwise encumbered or disposed of until (i) the Restricted Stock Units have vested as provided in Paragraph 2 of this Agreement and (ii) shares of Stock have been issued to the Grantee in accordance with the terms of the Plan and this Agreement.
2.      Vesting of Restricted Stock Units . The restrictions and conditions of Paragraph 1 of this Agreement shall lapse on the Vesting Date or Dates specified in the following schedule so long as the Grantee remains in service as a member of the Board on such Dates. If a series of Vesting Dates is specified, then the restrictions and conditions in Paragraph 1 shall lapse only with respect to the number of Restricted Stock Units specified as vested on such date.
Incremental Number of  
Restricted Stock Units Vested
Vesting Date
_____________ (___%)
_______________
_____________ (___%)
_______________
_____________ (___%)
_______________
_____________ (___%)
_______________
In the event of a Sale Event, 100% of the Restricted Stock Units shall become vested immediately prior to the consummation of such Sale Event. The Administrator may at any time accelerate the vesting schedule specified in this Paragraph 2.



3.      Termination of Service as a Non-Employee Director . If the Grantee’s service with the Company and its Subsidiaries as a member of the Board terminates for any reason (including death or disability) prior to the satisfaction of the vesting conditions set forth in Paragraph 2 above, any Restricted Stock Units that have not vested as of such date shall automatically and without notice terminate and be forfeited, and neither the Grantee nor any of his or her successors, heirs, assigns, or personal representatives will thereafter have any further rights or interests in such unvested Restricted Stock Units.
4.      Issuance of Shares of Stock . As soon as practicable following each Vesting Date (but in no event later than two and one-half months after the end of the year in which the Vesting Date occurs), the Company shall issue to the Grantee the number of shares of Stock equal to the aggregate number of Restricted Stock Units that have vested pursuant to Paragraph 2 of this Agreement on such date and the Grantee shall thereafter have all the rights of a stockholder of the Company with respect to such shares.
5.      Incorporation of Plan . Notwithstanding anything herein to the contrary, this Agreement shall be subject to and governed by all the terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.
6.      Section 409A of the Code . This Agreement shall be interpreted in such a manner that all provisions relating to the settlement of the Award are exempt from the requirements of Section 409A of the Code as “short-term deferrals” as described in Section 409A of the Code.
7.      No Obligation to Continue as a Non-Employee Director . Neither the Plan nor this Award confers upon the Grantee any rights with respect to continuance as a Non-Employee Director.
8.      Integration . This Agreement constitutes the entire agreement between the parties with respect to this Award and supersedes all prior agreements and discussions between the parties concerning such subject matter.
9.      Tax Withholding . In the event that the Company is required to withhold taxes from the Grantee for taxable compensation relating to the issuance of shares of Stock in connection with this Award, unless otherwise approved by the Company, the Grantee shall, not later than the date as of which the transfer of shares of Stock pursuant to this Award becomes a taxable event for U.S. Federal income tax or other applicable withholding tax purposes, pay to the Company or make arrangements satisfactory to the Committee for payment of any Federal, state, local, non U.S., or other taxes required by law to be withheld on account of such taxable event. The Company shall have the authority to cause the required tax withholding amount to be satisfied, in whole or in part, by (i) withholding from shares of Stock to be issued to the Grantee a number of shares of Stock with an aggregate Fair Market Value that would satisfy the withholding amount due; or (ii) causing its transfer agent to sell from the number of shares of Stock to be issued to the Grantee, the number of shares of Stock necessary to satisfy the Federal, state and local taxes required by law to be withheld from the Grantee on account of such transfer.

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10.      Data Privacy Consent . In order to administer the Plan and this Agreement and to implement or structure future equity grants, the Company, its subsidiaries and affiliates and certain agents thereof (together, the “Relevant Companies”) may process any and all personal or professional data, including but not limited to Social Security or other identification number, home address and telephone number, date of birth and other information that is necessary or desirable for the administration of the Plan and/or this Agreement (the “Relevant Information”). By entering into this Agreement, the Grantee (i) authorizes the Company to collect, process, register and transfer to the Relevant Companies all Relevant Information; (ii) waives any privacy rights the Grantee may have with respect to the Relevant Information; (iii) authorizes the Relevant Companies to store and transmit such information in electronic form; and (iv) authorizes the transfer of the Relevant Information to any jurisdiction in which the Relevant Companies consider appropriate. The Grantee shall have access to, and the right to change, the Relevant Information. Relevant Information will only be used in accordance with applicable law.
11.      Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall be mailed or delivered to the Grantee by the Company at the address on file with the Company or electronically through the use of an online process such as the Company’s platform or, in either case, at such other address as one party may subsequently furnish to the other party in writing.
SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
 
 
Title:
The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Grantee (including through an online acceptance process) is acceptable.
Dated:
 
 
 
 
 
 
Grantee’s Signature
 
 
 
 
 
 
 
 
 
 
 
Grantee’s name and address:
 
 
 
 
 
 
 
 
 
 
 
 

3


RESTRICTED STOCK UNIT AWARD AGREEMENT
FOR COMPANY EMPLOYEES
UNDER THE SLACK TECHNOLOGIES, INC.
2019 STOCK OPTION AND INCENTIVE PLAN
Name of Grantee:
 
 
 
 
No. of Restricted Stock Units:
 
 
 
 
 
Grant Date:
 
 
Pursuant to the Slack Technologies, Inc. 2019 Stock Option and Incentive Plan as amended through the date hereof (the “Plan”), Slack Technologies, Inc. (the “Company”) hereby grants an award of the number of Restricted Stock Units listed above (an “Award”) to the Grantee named above. Each Restricted Stock Unit shall relate to one share of Class A Common Stock, par value $0.0001 per share (the “Stock”) of the Company.
1.     Restrictions on Transfer of Award . This Award may not be sold, transferred, pledged, assigned or otherwise encumbered or disposed of by the Grantee, and any shares of Stock issuable with respect to the Award may not be sold, transferred, pledged, assigned or otherwise encumbered or disposed of until (i) the Restricted Stock Units have vested as provided in Paragraph 2 of this Agreement and (ii) shares of Stock have been issued to the Grantee in accordance with the terms of the Plan and this Agreement.
2.      Vesting of Restricted Stock Units . The restrictions and conditions of Paragraph 1 of this Agreement shall lapse on the Vesting Date or Dates specified in the following schedule so long as the Grantee remains an employee of the Company or a Subsidiary on such Dates. If a series of Vesting Dates is specified, then the restrictions and conditions in Paragraph 1 shall lapse only with respect to the number of Restricted Stock Units specified as vested on such date.
Incremental Number of  
Restricted Stock Units Vested
Vesting Date
_____________ (___%)
_______________
_____________ (___%)
_______________
_____________ (___%)
_______________
_____________ (___%)
_______________
The Administrator may at any time accelerate the vesting schedule specified in this Paragraph 2.
3.      Termination of Employment . If the Grantee’s employment with the Company and its Subsidiaries terminates for any reason (including death or disability) prior to the satisfaction



of the vesting conditions set forth in Paragraph 2 above, any Restricted Stock Units that have not vested as of such date shall automatically and without notice terminate and be forfeited, and neither the Grantee nor any of his or her successors, heirs, assigns, or personal representatives will thereafter have any further rights or interests in such unvested Restricted Stock Units.
4.      Issuance of Shares of Stock . As soon as practicable following each Vesting Date (but in no event later than two and one-half months after the end of the year in which the Vesting Date occurs), the Company shall issue to the Grantee the number of shares of Stock equal to the aggregate number of Restricted Stock Units that have vested pursuant to Paragraph 2 of this Agreement on such date and the Grantee shall thereafter have all the rights of a stockholder of the Company with respect to such shares.
5.      Incorporation of Plan . Notwithstanding anything herein to the contrary, this Agreement shall be subject to and governed by all the terms and conditions of the Plan, including the powers of the Administrator set forth in Section 2(b) of the Plan. Capitalized terms in this Agreement shall have the meaning specified in the Plan, unless a different meaning is specified herein.
6.      Tax Withholding . The Grantee shall, not later than the date as of which the receipt of this Award becomes a taxable event for Federal income tax purposes, pay to the Company or make arrangements satisfactory to the Administrator for payment of any Federal, state, and local taxes required by law to be withheld on account of such taxable event. The Company shall have the authority to cause the required tax withholding obligation to be satisfied, in whole or in part, by (i) withholding from shares of Stock to be issued to the Grantee a number of shares of Stock with an aggregate Fair Market Value that would satisfy the withholding amount due; or (ii) causing its transfer agent to sell from the number of shares of Stock to be issued to the Grantee, the number of shares of Stock necessary to satisfy the Federal, state and local taxes required by law to be withheld from the Grantee on account of such transfer.
7.      Section 409A of the Code . This Agreement shall be interpreted in such a manner that all provisions relating to the settlement of the Award are exempt from the requirements of Section 409A of the Code as “short-term deferrals” as described in Section 409A of the Code.
8.      No Obligation to Continue Employment . Neither the Company nor any Subsidiary is obligated by or as a result of the Plan or this Agreement to continue the Grantee in employment and neither the Plan nor this Agreement shall interfere in any way with the right of the Company or any Subsidiary to terminate the employment of the Grantee at any time.
9.      Integration . This Agreement constitutes the entire agreement between the parties with respect to this Award and supersedes all prior agreements and discussions between the parties concerning such subject matter.
10.      Data Privacy Consent . In order to administer the Plan and this Agreement and to implement or structure future equity grants, the Company, its subsidiaries and affiliates and certain agents thereof (together, the “Relevant Companies”) may process any and all personal or professional data, including but not limited to Social Security or other identification number,

2


home address and telephone number, date of birth and other information that is necessary or desirable for the administration of the Plan and/or this Agreement (the “Relevant Information”). By entering into this Agreement, the Grantee (i) authorizes the Company to collect, process, register and transfer to the Relevant Companies all Relevant Information; (ii) waives any privacy rights the Grantee may have with respect to the Relevant Information; (iii) authorizes the Relevant Companies to store and transmit such information in electronic form; and (iv) authorizes the transfer of the Relevant Information to any jurisdiction in which the Relevant Companies consider appropriate. The Grantee shall have access to, and the right to change, the Relevant Information. Relevant Information will only be used in accordance with applicable law.
11.      Notices . Notices hereunder shall be mailed or delivered to the Company at its principal place of business and shall be mailed or delivered by the Company to the Grantee at the address on file with the Company or electronically through the use of an online process such as the Company’s platform or, in either case, at such other address as one party may subsequently furnish to the other party in writing.
SLACK TECHNOLOGIES, INC.
 
 
 
 
By:
 
 
Title:
The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Grantee (including through an online acceptance process) is acceptable.
Dated:
 
 
 
 
 
 
Grantee’s Signature
 
 
 
 
 
 
 
 
 
 
 
Grantee’s name and address:
 
 
 
 
 
 
 
 
 
 
 
 

3
Exhibit 10.5

SLACK TECHNOLOGIES, INC.
2019 EMPLOYEE STOCK PURCHASE PLAN
The purpose of the Slack Technologies, Inc. 2019 Employee Stock Purchase Plan (the “Plan”) is to provide eligible employees of Slack Technologies, Inc. (the “Company”) and each Designated Company (as defined in Section 11) with opportunities to purchase shares of the Company’s Class A common stock, par value $0.0001 per share (the “Common Stock”). 9,000,000 shares of Common Stock in the aggregate have been approved and reserved for this purpose, plus on February 1, 2020 and each February 1 thereafter until the Plan terminates pursuant to Section 20, the number of shares of Common Stock reserved and available for issuance under the Plan shall be cumulatively increased by the lesser of (i) 6,000,000 shares of Common Stock, (ii) 1% percent of the number of shares of Common Stock and Class B common stock of the Company issued and outstanding on the immediately preceding January 31, or (iii) such lesser number of shares of Common Stock as determined by the Administrator (as defined in Section 1).
The Plan includes two components: a Code Section 423 Component (the “423 Component”) and a non-Code Section 423 Component (the “Non-423 Component”). It is intended for the 423 Component to constitute an “employee stock purchase plan” within the meaning of Section 423(b) of the U.S. Internal Revenue Code of 1986, as amended (the “Code”) and the 423 Component shall be interpreted in accordance with that intent. Under the Non-423 Component, which does not qualify as an “employee stock purchase plan” within the meaning of Section 423(b) of the Code, options will be granted pursuant to rules, procedures or sub-plans adopted by the Administrator designed to achieve tax, securities laws or other objectives for



eligible employees. Except as otherwise provided herein or by the Administrator, the Non-423 Component will operate and be administered in the same manner as the 423 Component.
Unless otherwise defined herein, capitalized terms in this Plan shall have the meaning ascribed to them in Section 11.
1. Administration . The Plan will be administered by the person or persons (the “Administrator”) appointed by the Company’s Board of Directors (the “Board”) for such purpose. The Administrator has authority at any time to: (i) adopt, alter and repeal such rules, guidelines and practices for the administration of the Plan and for its own acts and proceedings as it shall deem advisable; (ii) interpret the terms and provisions of the Plan; (iii) make all determinations it deems advisable for the administration of the Plan, including to accommodate the specific requirements of local laws, regulations and procedures for jurisdictions outside the United States; (iv) decide all disputes arising in connection with the Plan; and (v) otherwise supervise the administration of the Plan. All interpretations and decisions of the Administrator shall be binding on all persons, including the Company and the Participants. No member of the Board or individual exercising administrative authority with respect to the Plan shall be liable for any action or determination made in good faith with respect to the Plan or any option granted hereunder.
2. Offerings . The Company will make one or more offerings to eligible employees to purchase Common Stock under the Plan (“Offerings”) consisting of one or more Purchase Periods. Unless otherwise determined by the Administrator, the initial Offering will begin on the Listing Date and will end on October 9, 2019 (the “Initial Offering”) and consist of one Purchase Period. Thereafter, unless otherwise determined by the Administrator, an Offering will be six (6) months long, consist of one Purchase Period, and will begin on the first business day occurring

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on or after each October 10th and April 10th and will end on the last business day occurring on or before the following April 9th and October 9th, respectively. The Administrator may, in its discretion, designate a different period for any Offering, provided that no Offering shall exceed twenty-seven (27) months in duration, and may also designate the number of Purchase Periods within each Offering.
3. Eligibility . Other than the Initial Offering, all individuals classified as employees on the payroll records of the Company and each Designated Company as of the first day of the applicable Offering (the “Offering Date”) that have submitted an enrollment form (in the manner described in Section 4(c)) within the time period required by the Administrator are eligible to participate in the applicable Offering under the Plan (provided that a Participant is not permitted to participate in multiple Offerings at the same time, unless otherwise determined by the Administrator). With respect to the Initial Offering, all individuals classified as employees on the payroll records of the Company and each Designated Company as of the first day of the Initial Offering are eligible to participate in the Initial Offering. Notwithstanding any other provision herein, individuals who are not contemporaneously classified as employees of the Company or a Designated Company for purposes of the Company’s or applicable Designated Company’s payroll system are not considered to be eligible employees of the Company or any Designated Subsidiary and shall not be eligible to participate in the Plan. In the event any such individuals are reclassified as employees of the Company or a Designated Company for any purpose, including, without limitation, common law or statutory employees, by any action of any third party, including, without limitation, any government agency, or as a result of any private lawsuit, action or administrative proceeding, such individuals shall, notwithstanding such reclassification, remain ineligible for participation. Notwithstanding the foregoing, the exclusive

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means for individuals who are not contemporaneously classified as employees of the Company or a Designated Company on the Company’s or Designated Company’s payroll system to become eligible to participate in this Plan is through an amendment to this Plan, duly executed by the Company, which specifically renders such individuals eligible to participate herein.
4. Participation .
(a) Participants on Listing Date . Each eligible employee as of the Listing Date shall be deemed to be a Participant at such time. If an eligible employee is deemed to be a Participant pursuant to this Section 4(a), such individual shall be deemed not to have authorized payroll deductions and shall not purchase any Common Stock hereunder unless he or she thereafter authorizes payroll deductions by submitting an enrollment form (in the manner described in Section 4(c)) within 5 business days of the Listing Date, or such other deadline as is specified by the Administrator. If such a Participant does not authorize payroll deductions by submitting an enrollment form within 5 business days of the Listing Date, or such other deadline as is specified by the Administrator, that Participant will be deemed to have withdrawn from the Plan.
(b) Participants in Subsequent Offerings . An eligible employee who is not a Participant in any prior Offering may participate in a subsequent Offering by submitting an enrollment form (in the manner described in Section 4(c)) at least 15 business days before the Offering Date (or by such other deadline as shall be established by the Administrator for the Offering).
(c) Enrollment . The enrollment form (which may be in an electronic format or such other method as determined by the Company in accordance with the Company’s practices) may include, but is not limited to, the following information from the Participant: (a) s

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tate a whole percentage to be deducted from an eligible employee’s Compensation per pay period, (b) authorize the purchase of Common Stock in each Offering in accordance with the terms of the Plan and (c) specify the exact name or names in which shares of Common Stock purchased for such individual are to be issued or registered pursuant to Section 10. An employee who does not enroll in accordance with these procedures will be deemed to have waived the right to participate. Unless a Participant files a new enrollment form or withdraws from the Plan, such Participant’s deductions and purchases will continue at the same percentage of Compensation for future Offerings, provided he or she remains eligible.
(d) Notwithstanding the foregoing, participation in the Plan will neither be permitted nor be denied contrary to the requirements of the Code.
5. Employee Contributions . Each eligible employee may authorize payroll deductions at a minimum of 1 percent up to a maximum of 15 percent of such employee’s Compensation for each pay period. The Company will maintain book accounts showing the amount of payroll deductions made by each Participant for each Purchase Period within an Offering. No interest will accrue or be paid on payroll deductions, except as may be required by applicable law. If payroll deductions for purposes of the Plan are prohibited or otherwise problematic under applicable law (as determined by the Administrator in its discretion), the Administrator may require Participants to contribute to the Plan by such other means as determined by the Administrator. Any reference to “payroll deductions” in this Section 5 (or in any other section of the Plan) will similarly cover contributions by other means made pursuant to this Section 5.
6. Deduction Changes . Except in the event of a Participant increasing his or her payroll deduction from 0 percent during the first Offering as specified in Section 4(a) or as may

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be determined by the Administrator in advance of an Offering, a Participant may not increase his or her payroll deduction during any Offering and may decrease his or her payroll deduction one time during each Offering. However, during an Offering, a Participant may increase or decrease his or her payroll deduction with respect to the next Offering (subject to the limitations of Section 5) by filing a new enrollment form at least 15 business days before the next Offering Date (or by such other deadline as shall be established by the Administrator for the Offering). The Administrator may, in advance of any Offering, establish rules permitting a Participant to increase, decrease or terminate his or her payroll deduction during an Offering.
7. Withdrawal . A Participant may withdraw from participation in the Plan by delivering a written notice of withdrawal to the Company (in accordance with such procedures as may be specified by the Administrator). The Participant’s withdrawal will be effective as soon as practicable. Following a Participant’s withdrawal, the Company will promptly refund such individual’s entire account balance under the Plan to him or her (after payment for any Common Stock purchased before the effective date of withdrawal). Partial withdrawals are not permitted. Such an employee may not begin participation again during the remainder of the Offering, but may enroll in a subsequent Offering in accordance with Section 4.
8. Grant of Options . On each Offering Date, the Company will grant to each Participant in the Plan an option (“Option”) to purchase on the last day of the Purchase Period (an “Exercise Date”), at the Option Price hereinafter provided for, the lowest of (a) a number of shares of Common Stock determined by dividing such Participant’s accumulated payroll deductions on such Exercise Date by the lower of (i) 85 percent of the Fair Market Value of the Common Stock on the Offering Date, or (ii) 85 percent of the Fair Market Value of the Common Stock on the business day prior to Exercise Date, (b) 1,250 shares; or (c) such other lesser

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maximum number of shares as shall have been established by the Administrator in advance of the Offering; provided, however, that such Option shall be subject to the limitations set forth below. Each Participant’s Option shall be exercisable only to the extent of such Participant’s accumulated payroll deductions on the Exercise Date. The purchase price for each share purchased under each Option (the “Option Price”) will be 85 percent of the Fair Market Value of the Common Stock on the Offering Date or the business day prior to the Exercise Date, whichever is less.
Notwithstanding the foregoing, no Participant may be granted an Option hereunder if such Participant, immediately after the Option was granted, would be treated as owning stock possessing 5 percent or more of the total combined voting power or value of all classes of stock of the Company or any Parent or Subsidiary. For purposes of the preceding sentence, the attribution rules of Section 424(d) of the Code shall apply in determining the stock ownership of a Participant, and all stock which the Participant has a contractual right to purchase shall be treated as stock owned by the Participant. In addition, no Participant may be granted an Option which permits his or her rights to purchase stock under the Plan, and any other employee stock purchase plan of the Company and its Parents and Subsidiaries, to accrue at a rate which exceeds $25,000 of the Fair Market Value of such stock (determined on the Option grant date or dates) for each calendar year in which the Option is outstanding at any time. The purpose of the limitation in the preceding sentence is to comply with Section 423(b)(8) of the Code and shall be applied taking Options into account in the order in which they were granted.
9. Exercise of Option and Purchase of Shares . Each employee who continues to be a Participant in the Plan on an Exercise Date shall be deemed to have exercised his or her Option on such date and shall acquire from the Company such number of whole shares of Common

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Stock reserved for the purpose of the Plan as his or her accumulated payroll deductions on such date will purchase at the Option Price, subject to any other limitations contained in the Plan. Unless otherwise determined by the Administrator in advance of an Offering, any amount remaining in a Participant’s account at the end of a Purchase Period solely by reason of the inability to purchase a fractional share will be carried forward to the next Purchase Period or promptly refunded and, if such Exercise Date is the final Exercise Date of an Offering, will be carried forward to the next Offering or promptly refunded; any other balance remaining in a Participant’s account at the end of an Offering will be refunded to the Participant promptly.
To the extent permitted by applicable laws, if the Fair Market Value of the Common Stock on any Exercise Date in an Offering Period is lower than the Fair Market Value of the Common Stock on the Offering Date of such Offering Period, then all Participants in such Offering Period automatically will be withdrawn from such Offering Period immediately after the exercise of their option on such Exercise Date and will be automatically re-enrolled in the immediately following Offering Period as of the first day thereof.
10. Issuance of Certificates . To the extent applicable, certificates representing shares of Common Stock purchased under the Plan may be issued only in the name of the employee, in the name of the employee and another person of legal age as joint tenants with rights of survivorship (or similar ownership form, if permitted under applicable law), or in the name of a broker authorized by the employee to be his, her or their, nominee for such purpose.
11. Definitions .
The term “Affiliate” means any entity that, directly or indirectly through one or more intermediaries, controls, is controlled by or is under the common control with, the Company.

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The term “Compensation” means a Participant’s total cash compensation, prior to salary reduction (such as pursuant to Sections 125, 132(f) or 401(k) of the Code), including base pay, overtime, commissions, and annual incentive or annual bonus awards, but excluding allowances and reimbursements for expenses such as relocation allowances or travel expenses, spot bonuses or other discretionary awards, income or gains related to Company stock options or other share-based awards, and similar items. The Administrator shall have the discretion to determine the application of this definition to Participants outside the United States.
The term “Designated Company” means any present or future Subsidiary or Affiliate that has been designated by the Administrator to participate in the Plan. The Administrator may so designate any Subsidiary or Affiliate, or revoke any such designation, at any time and from time to time, either before or after the Plan is approved by the stockholders, and may further designate such companies or Participants as participating in the 423 Component or the Non-423 Component. The Administrator may also determine which Affiliates or eligible employees may be excluded from participation in the Plan, to the extent consistent with Section 423 of the Code or as implemented under the Non-423 Component, and determine which Designated Company or Companies will participate in separate Offerings (to the extent that the Company makes separate Offerings). For purposes of the 423 Component, only the Company and its Subsidiaries may be Designated Companies; provided, however, that at any given time, a Subsidiary that is a Designated Company under the 423 Component will not be a Designated Company under the Non-423 Component.
The term “Fair Market Value of the Common Stock” on any given date means the fair market value of the Common Stock determined in good faith by the Administrator; provided, however, that if the Common Stock is admitted to quotation on The New York Stock Exchange

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or another national securities exchange, the determination shall be made by reference to the closing price on such date. If there is no closing price for such date, the determination shall be made by reference to the last date preceding such date for which there is a closing price. Notwithstanding the foregoing, if the date for which the Fair Market Value of the Common Stock is determined is the Listing Date, the Fair Market Value of the Common Stock shall be the closing price on the Listing Date.
The term “Listing Date” means the date that the Common Stock is first traded on The New York Stock Exchange.
The term “Parent” means a “parent corporation” with respect to the Company, as defined in Section 424(e) of the Code.
The term “Participant” means an individual who is eligible as determined in Section 3 and who has complied with the provisions of Section 4.
The term “Purchase Period” means a period of time specified within an Offering beginning on the Offering Date or on the next day following an Exercise Date within an Offering and ending on an Exercise Date. An Offering may consist of one or more Purchase Periods.
The term “Registration Date” means the date the registration statement on Form S-1 that is filed by the Company is declared effective by the SEC.
The term “Subsidiary” means a “subsidiary corporation” with respect to the Company, as defined in Section 424(f) of the Code.
12. Rights on Termination or Transfer of Employment . If a Participant’s employment terminates for any reason before the Exercise Date for any Offering, no payroll deduction will be taken from any pay due and owing to the Participant and the balance in the Participant’s account will be paid to such Participant or, in the case of such Participant’s death, to the legal

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representative of his or her estate or to his or her designated beneficiary (provided the Administrator has permitted designation of a beneficiary for purposes of the Plan), as if such Participant had withdrawn from the Plan under Section 7. An employee will be deemed to have terminated employment, for this purpose, if the corporation that employs him or her, having been a Designated Company, ceases to be a Subsidiary or Affiliate, or if the employee is transferred to any corporation other than the Company or a Designated Company. Unless otherwise determined by the Administrator, a Participant whose employment transfers between, or whose employment terminates with an immediate rehire (with no break in service) by, Designated Companies or a Designated Company and the Company will not be treated as having terminated employment for purposes of participating in the Plan or an Offering; provided, however, that if a Participant transfers from an Offering under the 423 Component to an Offering under the Non-423 Component, the exercise of the Participant’s Option will be qualified under the 423 Component only to the extent that such exercise complies with Section 423 of the Code. If a Participant transfers from an Offering under the Non-423 Component to an Offering under the 423 Component, the exercise of the Participant’s Option will remain non-qualified under the Non-423 Component. Further, an employee will not be deemed to have terminated employment for purposes of the Plan, if the employee is on an approved leave of absence where the employee’s right to reemployment is guaranteed either by a statute or by contract or under the policy pursuant to which the leave of absence was granted or if the Administrator otherwise provides in writing.
13. Special Rules and Sub-Plans . Notwithstanding anything herein to the contrary, the Administrator may adopt special rules or sub-plans applicable to the employees of a particular Designated Company, whenever the Administrator determines that such rules are

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necessary or appropriate for the implementation of the Plan in a jurisdiction where such Designated Company has employees, regarding, without limitation, eligibility to participate in the Plan, handling and making of payroll deductions or contribution by other means, establishment of bank or trust accounts to hold payroll deductions, payment of interest, conversion of local currency, obligations to pay payroll tax, withholding procedures and handling of share issuances, any of which may vary according to applicable requirements; provided that if such special rules or sub-plans are inconsistent with the requirements of Section 423(b) of the Code, the employees subject to such special rules or sub-plans will participate in the Non-423 Component.
14. Optionees Not Stockholders . Neither the granting of an Option to a Participant nor the deductions from his or her pay shall result in such Participant becoming a holder of the shares of Common Stock covered by an Option under the Plan until such shares have been purchased by and issued to him or her.
15. Rights Not Transferable . Rights under the Plan are not transferable by a Participant other than by will or the laws of descent and distribution, and are exercisable during the Participant’s lifetime only by the Participant.
16. Application of Funds . All funds received or held by the Company under the Plan may be combined with other corporate funds and may be used for any corporate purpose, unless otherwise required under applicable law.
17. Adjustment in Case of Changes Affecting Common Stock . In the event of a subdivision of outstanding shares of Common Stock, the payment of a dividend in Common Stock or any other change affecting the Common Stock, the number of shares approved for the

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Plan and the share limitation set forth in Section 8 shall be equitably or proportionately adjusted to give proper effect to such event.
18. Amendment of the Plan . The Board may at any time and from time to time amend the Plan in any respect, except that without the approval within 12 months of such Board action by the stockholders, no amendment shall be made increasing the number of shares approved for the Plan or making any other change that would require stockholder approval in order for the 423 Component of the Plan, as amended, to qualify as an “employee stock purchase plan” under Section 423(b) of the Code.
19. Insufficient Shares . If the total number of shares of Common Stock that would otherwise be purchased on any Exercise Date plus the number of shares purchased under previous Offerings under the Plan exceeds the maximum number of shares issuable under the Plan, the shares then available shall be apportioned among Participants in proportion to the amount of payroll deductions accumulated on behalf of each Participant that would otherwise be used to purchase Common Stock on such Exercise Date.
20. Termination of the Plan . The Plan may be terminated at any time by the Board. Upon termination of the Plan, all amounts in the accounts of Participants shall be promptly refunded. The Plan shall automatically terminate on the ten year anniversary of the Registration Date.
21. Governmental Regulations . The Company’s obligation to sell and deliver Common Stock under the Plan is subject to the completion of any registration or qualification of the Common Stock under any U.S. or non-U.S. local, state or federal securities or exchange control law, or under rulings or regulations of the U.S. Securities and Exchange Commission (the “SEC”) or of any other governmental regulatory body, and to obtaining any approval or other

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clearance from any U.S. and non-U.S. local, state or federal governmental agency, which registration, qualification or approval the Company shall, in its absolute discretion, deem necessary or advisable. The Company is under no obligation to register or qualify the Common Stock with the SEC or any other U.S. or non-U.S. securities commission or to seek approval or clearance from any governmental authority for the issuance or sale of such stock.
22. Governing Law . This Plan and all Options and actions taken thereunder shall be governed by, and construed in accordance with the General Corporation Law of the State of Delaware as to matters within the scope thereof, and as to all other matters shall be governed by and construed in accordance with the internal laws of the State of California applied without regard to conflict of law principles.
23. Issuance of Shares . Shares may be issued upon exercise of an Option from authorized but unissued Common Stock, from shares held in the treasury of the Company, or from any other proper source.
24. Tax Withholding . Participation in the Plan is subject to any applicable U.S. and non-U.S. federal, state or local tax withholding requirements on income the Participant realizes in connection with the Plan. Each Participant agrees, by entering the Plan, that the Company or any Subsidiary or Affiliate may withhold any applicable withholding taxes by any such method as shall be determined by the Company, including by withholding from a Participant’s wages, salary or other compensation or by selling a sufficient number of shares acquired on the Exercise Date to cover applicable withholding taxes. Applicable withholding taxes may include any withholding required to make available to the Company or any Subsidiary or Affiliate any tax deductions or benefits attributable to the sale or disposition of Common Stock by such

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Participant. The Company will not be required to issue any Common Stock under the Plan until all withholding obligations are satisfied.
25. Notification Upon Sale of Shares Under 423 Component . Each Participant agrees, by entering the 423 Component of the Plan, to give the Company prompt notice of any disposition of shares purchased under the Plan where such disposition occurs within two years after the date of grant of the Option pursuant to which such shares were purchased or within one year after the date such shares were purchased.
26. Effective Date and Approval of Shareholders . The Plan shall take effect on the date immediately preceding the Registration Date, subject to prior approval by the holders of a majority of the votes cast at a meeting of stockholders at which a quorum is present or by written consent of the stockholders.

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Exhibit 23.1

Consent of Independent Registered Public Accounting Firm



The Board of Directors
Slack Technologies, Inc.:
We consent to the use of our report included herein and to the reference to our firm under the heading “Experts” in the prospectus.
/s/ KPMG LLP
San Francisco, California
May 13, 2019