RISK FACTORS

You should carefully consider the risks described below before making an investment decision in our company. In addition, you should keep in mind that the risks described below are not the only risks that we face. The risks described below are all the risks that we currently believe are material risks of this offering. However, additional risks not presently known to us, or risks that we currently believe are immaterial, may also impair our business operations. Moreover, you should refer to the other information contained in this prospectus for a better understanding of our business.

Our business, financial condition, or results of operations could be adversely affected by any of the following risks. If we are adversely affected by such risks, then the trading price of our Ordinary Shares could decline, and you could lose all or part of your investment.

This prospectus contains forward-looking statements that relate to future events or to our future financial performance. These statements are only predictions. Actual events or performance results may differ significantly from those anticipated in the forward-looking statements.

Because our operating history is limited and the revenue and income potential of our business and markets are unproven, we cannot predict whether we will meet internal or external expectations of future performance.

From our inception through September 1998, our revenues consisted entirely of sales of our RichWin software products and licenses to copy and use these products. We continued our software sales during fiscal 1999, but with the launch of our online network in May 1996 and our acquisition of Sinanet.com in March 1999, we began to devote our resources primarily to developing our online Chinese-language network. We believe that our future success depends on our ability to significantly increase revenue from our Internet advertising and electronic commerce operations, for which we have a limited operating history. Accordingly, our prospects must be considered in light of the risks, expenses and difficulties frequently encountered by companies in an early stage of development. These risks include our ability to: attract advertisers; attract a larger audience to our network; respond effectively to competitive pressures and address the effects of strategic relationships or corporate combinations among our competitors; maintain our current, and develop new, strategic relationships; increase awareness of the SINA.com brand and continue to build user loyalty; attract and retain qualified management and employees; upgrade our technology to support increased traffic and expanded services; and expand the content and services on our network.

We have a history of losses and we anticipate future losses.

We have never been profitable. As of June 30, 2000, we had an accumulated deficit of approximately $63.0 million. We anticipate that we will continue to incur operating losses for the foreseeable future due to increased sales and marketing costs, additional personnel hires and our continuing branding campaign. As a result, we cannot be certain when or if we will achieve profitability. If we do not achieve or sustain profitability, the market price of our ordinary shares may decline.

We are relying on advertising sales as a significant part of our future revenue, but the Internet has not been proven as a source of significant advertising revenue in Greater China.

Our revenue growth is dependent on increased revenue from the sale of advertising space on our network and the acceptance and use of electronic commerce. Online advertising in Greater China is an unproven business and many of our current and potential advertisers have limited experience with the Internet as an advertising medium, have not traditionally devoted a significant portion of their advertising expenditures or other available funds to Web-based advertising, and may not find the Internet to be effective for promoting their products and services relative to traditional print and broadcast media. According to Forrester Research, the dollar amount of the online advertising market in China in 1999 was approximately $8.0 million. Our ability to generate and maintain significant advertising revenue will therefore depend on a number of factors, many of which are beyond our control, including: the development of a large base of users possessing demographic characteristics attractive to advertisers; downward pressure on online advertising prices; the development of independent and reliable means of verifying levels of online advertising and traffic; and the effectiveness of our advertising delivery, tracking and reporting systems.

If the Internet does not become more widely accepted as a medium for advertising, our ability to generate increased revenue will be negatively affected.

We are relying on electronic commerce as a significant part of our future revenue, but the Internet has not yet been proven as an effective commerce medium in Greater China.

Our revenue growth depends on the increasing acceptance and use of electronic commerce in Greater China. The Internet may not become a viable commercial marketplace in Asia for various reasons, many of which are beyond our control, including: inexperience with the Internet as a sales and distribution channel; inadequate development of the necessary infrastructure to facilitate electronic commerce; concerns about security, reliability, cost, ease of deployment, administration and quality of service associated with conducting business over the Internet; and inexperience with credit card usage or with other means of electronic payment in China.

If the Internet does not become more widely accepted as a medium for electronic commerce, our ability to generate increased revenue will be negatively affected.

Underdeveloped telecommunications infrastructure has limited and may continue to limit the growth of the Internet market in China which, in turn, could limit our ability to grow our business.

The telecommunications infrastructure in China is not well developed. Although private sector ISPs exist in China, almost all access to the Internet is accomplished through ChinaNet, China's primary commercial network, which is owned and operated by China Telecom, a state-owned enterprise directly controlled by China's Ministry of Information Industry. The underdeveloped Internet infrastructure in China has limited the growth of Internet usage in China. If the necessary Internet infrastructure is not developed, or is not developed on a timely basis, future growth of the Internet in China will be limited and our business could be harmed.

We must rely on the Chinese government to develop China's Internet infrastructure and if it does not develop this infrastructure our ability to grow our business will be hindered.

The Chinese government's interconnecting, national networks connect to the Internet through government-owned international gateways, which are the only channels through which a domestic Chinese user can connect to the international Internet network. We rely on this backbone and China Telecom to provide data communications capacity primarily through local telecommunications lines. Although the Chinese government has announced plans to develop aggressively the national information infrastructure, we cannot assure you that this infrastructure will be developed. In addition, we have no guarantee that we will have access to alternative networks and services in the event of any disruption or failure. If the necessary infrastructure standards or protocols or complementary products, services or facilities are not developed by the Chinese government, the growth of our business will be hindered.

You should not rely on our quarterly operating results as an indication of our future performance because our results of operations are subject to significant fluctuations.

We may experience significant fluctuations in our quarterly operating results due to a variety of factors, many of which are outside our control. Factors that may cause our quarterly operating results to fluctuate include: our ability to retain existing users, attract new users at a steady rate and maintain user satisfaction; the announcement or introduction of new or enhanced services, content and products by us or our competitors; dependence on a limited number of advertisers, the majority of which have agreements with us that are cancelable upon a specified notice period, and the loss of any major advertiser; significant news events that increase traffic to our Web sites; technical difficulties, system downtime or Internet failures; demand for advertising space from advertisers; the amount and timing of operating costs and capital expenditures relating to expansion of our business, operations and infrastructure; governmental regulation; seasonal trends in Internet use; a shortfall in our revenues relative to our forecasts and a decline in our operating results due to our inability to adjust our spending quickly; and general economic conditions and economic conditions specific to the Internet, electronic commerce and the Greater China market.

As a result of these and other factors, you should not rely on quarter-to-quarter comparisons of our operating results as indicators of likely future performance. Our operating results may be below the expectations of public market analysts and investors in one or more future quarters. If that occurs, the price of our ordinary shares could decline and you could lose part or all of your investment.

Political and economic conditions in Greater China are unpredictable and may disrupt our operations if these conditions become unfavorable to our business.

We expect to derive a substantial percentage of our revenues from the Greater China market. Changes in political or economic conditions in the region are difficult to predict and could adversely affect our operations or cause the Greater China market to become less attractive to advertisers, which could reduce our revenues. We maintain a strong local identity and presence in each of the regions in the Greater China market and we cannot be sure that we would be able to maintain effectively this local identity if political conditions were to change. Furthermore, many countries in Asia have experienced significant economic downturns since the middle of 1997, resulting in slower real gross domestic product growth for the entire region as a result of higher interest rates and

currency fluctuations. If declining economic growth rates persist, expenditures for Internet access, infrastructure improvements and advertising could decrease, which would negatively affect our business and our profitability over time. In addition, the economic downturn in Asia could also lead to a devaluation of the currency of China, Taiwan or Hong Kong, which would decrease our revenues for the Greater China region in U.S. dollar terms.

In addition, economic reforms in the region could affect our business in ways that are difficult to predict. For example, since the late 1970s, the Chinese government has been reforming the Chinese economic system to emphasize enterprise autonomy and the utilization of market mechanisms. Although we believe that these reforms measures have had a positive effect on the economic development in China, we cannot be sure that they will be effective or that they will benefit our business.

We may be adversely affected by Chinese government regulation of Internet companies.

China has recently begun to regulate its Internet sector by making pronouncements or enacting regulations regarding the legality of foreign investment in the Chinese Internet sector, the existence and enforcement of content restrictions on the Internet and the availability of securities offerings by companies operating in the Chinese Internet sector. In the opinion of our Chinese counsel, the ownership of BSRS and its businesses comply with existing Chinese laws and regulations. There are, however, substantial uncertainties regarding the proper interpretation of current and future Chinese Internet laws and regulations.

Issues, risks and uncertainties relating to China government regulation of the Chinese Internet sector include the following:

A prohibition of foreign investment in businesses providing value-added telecommunication services, including computer information services or electronic mail box services, may be applied to Internet businesses such as ours. Some officials of the Chinese Ministry of Information, or MII, have taken the position that foreign investment in the Internet sector is prohibited.

The MII has also stated recently that it intends to adopt new laws or regulations governing foreign investment in the Chinese Internet sector in the near future. If these new laws or regulations forbid foreign investment in the Internet sector, our business will be severely impaired.

According to press reports, under the agreement reached in November 1999 between China and the United States concerning the United States' support of China's entry into the World Trade Organization, or WTO, foreign investment in Chinese Internet services will be liberalized to allow for 49% foreign ownership in key telecommunication services, including Chinese Internet ventures, for the first two years after China's entry into the WTO and 50% thereafter. Even if the terms of this agreement are as reported, the agreement is still subject to approval by the U.S. President and faces domestic opposition from trade unions, environmentalists and human rights organizations.

The MII has also stated recently that the activities of Internet content providers are also subject to regulation by various Chinese government authorities, depending on the specific activities conducted by the Internet content provider. According to press reports, various government authorities are in the process of preparing new laws and regulations that will govern these activities. The areas of regulation may include online advertising and online news reporting. In addition, the new laws and regulations may require various Chinese government approvals for securities offerings by companies engaged in the Internet sector in China.

The interpretation and application of existing Chinese laws and regulations, the stated positions of the MII and the possible new laws or regulations have created substantial uncertainties regarding the legality of existing and future foreign investments in, and the businesses and activities of, Chinese Internet businesses, including our business.

Accordingly, it is possible that the relevant Chinese authorities could, at any time, assert that any portion or all of our existing or future ownership structure and businesses, or this offering, violates existing or future Chinese laws

and regulations. It is also possible that the new laws or regulations governing the Chinese Internet sector that may be adopted in the future will prohibit or restrict foreign investment in, or other aspects of, any of our current or proposed businesses and operations or require governmental approvals for this offering. In addition, these new laws and regulations may be retroactively applied to us.

If we are found to be in violation of any existing or future Chinese laws or regulations, the relevant Chinese authorities would have broad discretion in dealing with such a violation, including, without limitation, the following:
levying fines; revoking our business license; requiring us to restructure our ownership structure or operations; and requiring us to discontinue any portion or all of our Internet business. Any of these actions could cause our business to suffer and the price of our ordinary share to decline.

We have attempted to comply with the strict licensing and registration requirements of the PRC government by entering into agreements with two Chinese entities majority owned by our employees; if the PRC government finds that these agreements do not comply with the licensing requirements, our business in the PRC will be adversely affected.

Because the Chinese government restricts foreign investment in Internet-related businesses, we have restructured our China Internet operations by forming two Chinese entities to acquire appropriate government licenses to conduct our business there. The legal uncertainties associated with the Chinese government regulation may be summarized as follows: whether the Chinese government may view our restructuring as being in compliance with their regulations; whether the Chinese government may revoke such business licenses; whether the Chinese government may impose additional regulatory requirements with which we may not be in compliance; whether the Chinese government will permit the Chinese entities to acquire future licenses necessary in order to conduct operations in China; and whether the Chinese government will restrict or prohibit the distribution of content over the Internet.

The Chinese government regulates Internet access and the distribution of news and other information through strict business licensing and registration requirements and other governmental regulation. With respect to licensing, our subsidiary Beijing Stone Rich Sight Information Technology Co. Ltd., or BSRS, is currently licensed to operate as a software company. BSRS has entered into agreements with two Chinese entities: Beijing SINA Interactive Advertising Co., Ltd., a Chinese advertising company that is 75% owned by Yan Wang, our general manager of China operation, and 25% owned by BSRS, and which we refer to as the Ad Company, and Beijing SINA Internet Information Services Co., Ltd., a Chinese Internet content provider that is 70% owned by Zhidong Wang, our president and chief executive officer and 30% owned by Yan Wang and which we refer to as the ICP Company.

Pursuant to these agreements, the ICP Company is responsible for operating www.sina.com.cn in connection with its Internet content company license and will sell advertising space on www.sina.com.cn to the Ad Company. The Ad Company, in turn, will sell advertisements in this space to third parties under its advertising license. In addition, BSRS has licensed intellectual property and transferred equipment to the ICP Company, and acts as the ICP Company's provider of technical services, all in exchange for fees or other payments. BSRS will also be a consultant and service provider to the Ad Company for its domestic Chinese customers.

We cannot be sure that these and other corporate activities carried out by us will be viewed by Chinese regulatory authorities as in compliance with applicable licensing requirements. Our business in China will be adversely affected if our business license is revoked as a result of non-compliance. In addition, we cannot be sure that we will be able to obtain all of the licenses we may need in the future or that future changes in Chinese government policies affecting the provision of information services, including the provision of online services and Internet access, will not impose additional regulatory requirements on us or our service providers or otherwise harm our business.

We depend upon contractual arrangements with the Ad Company and the ICP Company for the success of our operations in China and these arrangements may not be as effective in providing operational control as direct ownership of these businesses.

Because we are restricted by the Chinese government from providing Internet and advertising services directly in China, we are dependent on the Ad Company, of which we own 25% and the ICP Company, of which we have no ownership interest, to provide such services through contractual agreements between the parties. This arrangement may not be as effective in providing control over advertising and Internet content operations in China as direct ownership of these businesses. For example, the Ad Company or ICP Company could fail to take actions required for our business, such as entering into advertising contracts with potential customers or failing to maintain our China Web site. The ICP Company will also be able to transact business with third parties not affiliated with BSRS. If the Ad Company or ICP fails to perform its obligations under these agreements, we would potentially have to rely on legal remedies under Chinese law, which we cannot be sure would be effective.

The ICP Company is controlled by Zhidong Wang, our president and chief executive officer. As a result, our contractual relationships with the ICP Company would be viewed as entrenching his management position or transferring certain value to him, especially if any conflict arose with him.

We may not be in compliance with Chinese government regulations relating to foreign investment prohibitions and, if so determined, the Chinese government could cause us to discontinue our operations in China.

Chinese government policy prohibits foreign investment in the telecommunications services industry, which he has defined to include Internet-related businesses. While we believe that we are in compliance with current Chinese government policies, we cannot be sure that the government will view our business as in compliance with these policies or any policies that may be made in the future. If we are not viewed as complying with these policies or any regulations that may be created relating to foreign ownership of Internet- related businesses, the Chinese government could require us to discontinue our operations in China or take other actions that could harm our business.

Even if we are in compliance with Chinese governmental regulations relating to licensing and foreign investment prohibitions, the Chinese government may prevent us from distributing, and we may be subject to liability for, content that it believes is inappropriate.

China has enacted regulations governing Internet access and the distribution of news and other information. In the past, the Chinese government has stopped the distribution of information over the Internet that it believes to violate Chinese law, including content that is obscene, incites violence, endangers national security, is contrary to the national interest or is defamatory. In addition, we may not publish certain news items, such as news relating to national security, without permission from the Chinese government. Furthermore, the Ministry of Public Security has the authority to cause any local Internet service provider to block any Web site maintained outside China at its sole discretion. Even if we comply with Chinese governmental regulations relating to licensing and foreign investment prohibitions, if the Chinese government were to take any action to limit or prohibit the distribution of information through our network or to limit or regulate any current or future content or services available to users on our network, our business would be harmed.

In addition, under recently adopted regulations, Internet companies which provide bulletin board systems, chat rooms or similar services, such as our company, must apply for the approval of the State Secrecy Bureau. As the implementing rules of these new regulations have not been issued, however, we do not know how or when we will be expected to comply. We cannot assure you that our business, financial condition and results of operations will not be materially and adversely affected by the application of these regulations.

We are also subject to potential liability for content on our Web sites that is deemed inappropriate and for any unlawful actions of our subscribers and other users of our systems under regulations promulgated by the Chinese Ministry of Information and Industry. Furthermore, we are required to delete content that clearly violates the laws of

China and report content that we suspect may violate Chinese law. It is difficult to determine the type of content that may result in liability for us, and if we are wrong, we may be prevented from operating our Web sites.

We may have to register our encryption software with Chinese regulatory authorities, and if they request that we change our encryption software, our business operations will be disrupted as we develop or license replacement software.

Pursuant to the Regulations for the Administration of Commercial Encryption promulgated at the end of 1999, foreign and domestic Chinese companies operating in China are required to register and disclose to Chinese regulatory authorities the commercial encryption products they use. Because these regulations have just recently been adopted and because they do not specify what constitutes encryption products, we are unsure as to whether or how they apply to us and the encryption software we utilize. We may be required to register, or apply for permits with the relevant Chinese regulatory authorities for, our current or future encryption software. If Chinese regulatory authorities request that we change our encryption software, we may have to develop or license replacement software, which could disrupt our business operations.

The markets in which we operate are highly competitive, and we may be unable to compete successfully against new entrants and established industry competitors, many of which have greater financial resources than we do or currently enjoy a superior market position than we do.

The Asian market for Internet content and services is competitive and rapidly changing. Barriers to entry are minimal, and current and new competitors can launch new Web sites at a relatively low cost. Many companies offer Chinese language content and services, including informational and community features, and email and electronic commerce services in the Greater China market that may be competitive with our future offerings. We also face competition from providers of software and other Internet products and services that incorporate search and retrieval features into their offerings. In addition, entities that sponsor or maintain high-traffic Web sites or that provide an initial point of entry for Internet users, such as ISPs, including large, well-capitalized entities such as Microsoft (MSN), Yahoo!, Cable & Wireless HKT (Netvigator) and AOL, currently offer and could further develop or acquire content and services that compete with those that we offer. We expect that as Internet usage in Greater China increases and the Greater China market becomes more attractive to advertisers and for conducting electronic commerce, large global competitors may increasingly focus their resources on the Greater China market. We also compete for advertisers with traditional media companies, such as newspapers, television networks and radio stations, that have a longer history of use and greater acceptance among advertisers. In addition, providers of Chinese language Internet tools and services may be acquired by, receive investments from or enter into other commercial relationships with large, well-established and well-financed Internet, media or other companies. For example, America Online Inc. and Xinhua News Agency, one of our content suppliers, are major shareholders of Chinadotcom, Intel Corporation is a major shareholder of Sohu.com, and News Corp Ltd. is a major shareholder of Netease.com.

A number of our current and potential future competitors have greater name recognition, larger customer bases and greater financial and other resources than we have, and may be able to more quickly react to changing consumer requirements and demands, deliver competitive services at lower prices and more effectively respond to new Internet technologies or technical standards.

Increased competition could result in reduced page views, loss of market share and lower profit margins from reduced pricing for Internet-based services.

If we fail to develop successfully and introduce new products and services, our competitive position and ability to generate revenues will be harmed.

We are developing new products and services. The planned timing or introduction of new products and services is subject to risks and uncertainties. Actual timing may differ materially from original plans. Unexpected technical, operational, distribution or other problems could delay or prevent the introduction of one or more of our new

products or services. Moreover, we cannot be sure that any of our new products and services will achieve widespread market acceptance or generate incremental revenue.

We have contracted with third parties to provide content and services for our portal network and to distribute our software, and we may lose users and revenue if these arrangements are terminated.

We have arrangements with a number of third parties to provide content and services to our Web sites and to distribute our software. In the area of content, we have relied and will continue to rely almost exclusively on third parties for content that we publish under the SINA brand. Although no single third party content provider is critical to our operations, if these parties fail to develop and maintain high-quality and successful media properties, or if a large number of our existing relationships are terminated, we could lose users and advertisers and our brand could be harmed.

In the area of Web-based services, we have contracted with AltaVista and OpenFind for integrated Web search technology to complement our directory and navigational guide, and with Critical Path for our email services and third-party providers for our principal Internet connections. If we experience significant interruptions or delays in service, or if these agreements terminate or expire, we may incur additional costs to develop or secure replacement services and our relationship with our users could be harmed.

We depend on a third party's proprietary and licensed advertising serving technology to deliver advertisements to our network. If the third party fails to continue to support its technology or if its services fail to meet the advertising needs of our customers and we cannot find an alternative solution on a timely basis, our advertising revenue would decline.

In order to create traffic for our online properties and make them more attractive to advertisers and consumers, we have entered into distribution agreements and informal relationships with ISPs and personal computer manufacturers for the distribution of our software. These distribution arrangements typically are non-exclusive, and may be terminated upon little or no notice. If our software distributors were to terminate or modify their distribution arrangements, our ability to promote our network and generate revenue could be harmed.

Our business and growth will suffer if we are unable to hire and retain key personnel that are in high demand.

We depend upon the continued contributions of our senior management and other key personnel, many of whom are difficult to replace. The loss of the services of any of our executive officers or other key employees could harm our business. We have experienced changes to our executive management team. Following our acquisition of Sinanet.com, James Sha served as our chief executive officer from March 1999 to August 1999. Mr. Sha resigned as chief executive officer on August 31, 1999 and resigned as a member of our Board of Directors on September 26, 1999. In August 1999, Zhidong Wang, who has served as our president since October 1997, was promoted to the position of chief executive officer. We had two chief financial officers resign in 1999. In November 1999, Victor Lee joined us as chief financial officer. Our future success will also depend on our ability to attract and retain highly skilled technical, managerial, editorial, marketing and customer service personnel, especially qualified personnel for our international operations in Greater China. In particular, we have experienced difficulty in hiring and retaining qualified personnel for our Hong Kong office and may experience similar problems in our other regional offices. Qualified individuals are in high demand, and we may not be able to successfully attract, assimilate or retain the personnel we need to succeed.

We may not be able to manage our expanding operations effectively, which could harm our business.

We anticipate significant expansion of our business as we address growth in our customer base and market opportunities. In addition, the geographic dispersion of our operations requires significant management resources that our locally-based competitors do not need to devote to their operations. In order to manage the expected growth of our operations and personnel, we will be required to improve existing and implement new operational and financial systems, procedures and controls, and to expand, train and manage our growing employee base. Further, our management will be required to maintain and expand our relationships with various other Web sites, Internet

and other online service providers and other third parties necessary to our business. We cannot assure you that our current and planned personnel, systems, procedures and controls will be adequate to support our future operations.

Concerns about the security of electronic commerce transactions and confidentiality of information on the Internet may reduce use of our network and impede our growth.

A significant barrier to electronic commerce and communications over the Internet in general has been public concern over security and privacy, especially the transmission of confidential information. If these concerns are not adequately addressed, they may inhibit the growth of the Internet and other online services generally, especially as a means of conducting commercial transactions. If a well-publicized Internet breach of security were to occur, general Internet usage could decline, which could reduce traffic to our destination sites and impede our growth.

Currency fluctuations and restrictions on currency exchange may adversely affect our business, including limiting our ability to convert Chinese renminbi into foreign currencies and, if renminbi were to decline in value, reducing our revenues in U.S. dollar terms.

We generate revenues and incur expenses and liabilities in Chinese renminbi, Taiwan dollars, Hong Kong dollars, and U.S. dollars. We generated most of our revenues for fiscal 1999 in renminbi since all of our revenues were derived from our China operations until our acquisition of Sinanet.com in March 1999. In the future, we may also conduct business in additional foreign countries and generate revenues and incur expenses and liabilities in other foreign currencies. As a result, we are subject to the effects of exchange rate fluctuations with respect to any of these currencies. For example, the value of the renminbi depends to a large extent on China's domestic and international economic and political developments, as well as supply and demand in the local market. Since 1994, the official exchange rate for the conversion of renminbi to U.S. dollars has generally been stable and the renminbi has appreciated slightly against the U.S. dollar. However, given recent economic instability and currency fluctuations in Asia, we can offer no assurance that the renminbi will continue to remain stable against the U.S. dollar or any other foreign currency. Our results of operations and financial condition may be affected by changes in the value of renminbi and other currencies in which our earnings and obligations are denominated. We have not entered into agreements or purchased instruments to hedge our exchange rate risks, although we may do so in the future.

Although Chinese governmental policies were introduced in 1996 to allow the convertibility of renminbi into foreign currency for current account items, conversion of renminbi into foreign exchange for capital items, such as foreign direct investment, loans or security, requires the approval of the State Administration of Foreign Exchange, or SAFE, which is under the authority of the People's Bank of China. These approvals, however, do not guarantee the availability of foreign currency. We cannot be sure that we will be able to obtain all required conversion approvals for our operations or that Chinese regulatory authorities will not impose greater restrictions on the convertibility of the renminbi in the future. Because a significant amount of our future revenues may be in the form of renminbi, our inability to obtain the requisite approvals or any future restrictions on currency exchanges will limit our ability to utilize revenue generated in renminbi to fund our business activities outside China.

Our operations could be disrupted by unexpected network interruptions caused by system failures, natural disasters or unauthorized tamperings with our systems.

The continual accessibility of our Web sites and the performance and reliability of our network infrastructure are critical to our reputation and our ability to attract and retain users, advertisers and merchants. Any system failure or performance inadequacy that causes interruptions in the availability of our services or increases the response time of our services could reduce our appeal to advertisers and consumers. Factors that could significantly disrupt our operations include: system failures and outages caused by fire, floods, earthquakes, power loss, telecommunications failures and similar events; software errors; computer viruses, break-ins and similar disruptions from unauthorized tampering with our computer systems; and security breaches related to the storage and transmission of proprietary information, such as credit card numbers or other personal information.

We have limited backup systems and redundancy. Recently, we experienced an unauthorized tampering of the mail server of our China Web site which briefly disrupted our operations. Future disruptions or any of the foregoing factors could damage our reputation, require us to expend significant capital and other resources and expose us to a risk of loss or litigation and possible liability. We do not carry sufficient business interruption insurance to compensate for losses that may occur as a result of any of these events. Accordingly, our revenues and results of operations may be adversely affected if any of the above disruptions should occur.

The law of the Internet remains largely unsettled, which subjects our business to legal uncertainties that could harm our business.

Due to the increasing popularity and use of the Internet and other online services, it is possible that a number of laws and regulations may be adopted with respect to the Internet or other online services covering issues such as user privacy, pricing, content, copyrights, distribution, antitrust and characteristics and quality of products and services. Furthermore, the growth and development of the market for electronic commerce may prompt calls for more stringent consumer protection laws that may impose additional burdens on companies conducting business online. The adoption of any additional laws or regulations may decrease the growth of the Internet or other online services, which could, in turn, decrease the demand for our products and services and increase our cost of doing business.

Moreover, the applicability to the Internet and other online services of existing laws in various jurisdictions governing issues such as property ownership, sales and other taxes, libel and personal privacy is uncertain and may take years to resolve. For example, tax authorities in a number of states in the U.S. are currently reviewing the appropriate tax treatment of companies engaged in electronic commerce, and new state tax regulations may subject us to additional state sales and income taxes. Any new legislation or regulation, the application of laws and regulations from jurisdictions whose laws do not currently apply to our business, or the application of existing laws and regulations to the Internet and other online services could significantly disrupt our operations.

We may be subject to claims based on the content we provide over our network and the products and services sold on our network, which, if successful, could cause us to pay significant damage awards.

As a publisher and distributor of content and a provider of services over the Internet, we face potential liability for: defamation, negligence, copyright, patent or trademark infringement and other claims based on the nature and content of the materials that we publish or distribute; the selection of listings that are accessible through our branded products and media properties, or through content and materials that may be posted by users in our classifieds, message board and chat room services; losses incurred in reliance on any erroneous information published by us, such as stock quotes, analyst estimates or other trading information; unsolicited email, lost or misdirected messages, illegal or fraudulent use of email or interruptions or delays in email service; and product liability, warranty and similar claims to be asserted against us by end users who purchase goods and services through our SinaMall and any future electronic commerce services we may offer.

We may incur significant costs in investigating and defending any potential claims, even if they do not result in liability. Although we carry general liability insurance, our insurance may not cover potential claims of this type or be adequate enough to indemnify us against all potential liabilities.

Privacy concerns may prevent us from selling demographically targeted advertising in the future and make us less attractive to advertisers.

We collect personal data from our user base in order to understand better our users and their needs and to help our advertisers target specific demographic groups. If privacy concerns or regulatory restrictions prevent us from selling demographically targeted advertising, we may become less attractive to advertisers. For example, as part of our future advertisement delivery system, we may integrate user information such as advertisement response rate, name, address, age or email address, with third-party databases to generate comprehensive demographic profiles for individual users. In Hong Kong, however, we would be in violation of the Hong Kong Personal Data Ordinance unless individual users expressly consented to this integration of their personal information. The Ordinance provides

that an Internet company may not collect information on its users, analyze the information for a profile of the user's interests and sell or transmit the profiles to third parties for direct marketing purposes without the user's consent. If we are unable to construct demographic profiles for Internet users because they refuse to give consent, we will be less attractive to advertisers and our business will suffer.

We may not be able to adequately protect our intellectual property, which could cause us to be less competitive.

We rely on a combination of copyright, trademark and trade secret laws and restrictions on disclosure to protect our intellectual property rights. Despite our efforts to protect our proprietary rights, unauthorized parties may attempt to copy or otherwise obtain and use our technology. Monitoring unauthorized use of our products is difficult and costly, and we cannot be certain that the steps we have taken will prevent misappropriations of our technology, particularly in foreign countries where the laws may not protect our proprietary rights as fully as in the United States. From time to time, we may have to resort to litigation to enforce our intellectual property rights, which could result in substantial costs and diversion of our resources.

We may be exposed to infringement claims by third parties, which, if successful, could cause us to pay significant damage awards.

Third parties may initiate litigation against us alleging infringement of their proprietary rights. In the event of a successful claim of infringement and our failure or inability to develop non-infringing technology or license the infringed or similar technology on a timely basis, our business could be harmed. In addition, even if we are able to license the infringed or similar technology, license fees could be substantial and may adversely affect our results of operations.

We may be classified as a passive foreign investment company or as a foreign personal holding company, which could result in adverse U.S. tax consequences to you.

Based upon the nature of our income and assets, we may be classified as a passive foreign investment company, or PFIC, or as a foreign personal holding company, or FPHC, by the United States Internal Revenue Service for U.S. federal income tax purposes. This characterization could result in adverse U.S. tax consequences to you. For example, if we are a PFIC, our U.S. investors will become subject to increased tax liabilities under U.S. tax laws and regulations and will become subject to more burdensome reporting requirements. We believe that we were not a PFIC or an FPHC for 1999 or previous years, and we do not expect to be either in the future. However, the determination of whether or not we are a PFIC or an FPHC is made on an annual basis, and those determinations depend on the composition of our income and assets, in the case of the PFIC rules, and income and shareholders, in the case of the FPHC rules, from time to time. Although in the past we have operated our business, and in the future we intend to operate our business so as to minimize the risk of PFIC or FPHC treatment, you should be aware that certain factors that could affect our classification as PFIC or FPHC are out of our control. For example, the calculation of assets for purposes of the PFIC rules depends in large part upon the amount of our goodwill, which in turn is based, in part, on the then market value of our shares, which is subject to change. Similarly, the composition of our income and assets is affected by the extent to which we spend the cash we have raised on acquisitions and capital expenditures. Therefore, we cannot be sure that we will not be a PFIC or an FPHC for the current or any future taxable year.

The possible sale of a substantial number of shares in the public market could adversely affect the price for our shares.

If our shareholders sell substantial amounts of our ordinary shares, including shares issued upon the exercise of outstanding options and warrants, in the public market, the market price of our ordinary shares could fall dramatically. Currently, approximately 35,000,000 shares are held by our existing shareholders which may be sold in the public market in the future pursuant to, and subject to the restrictions of, Rule 144, 144(k), 145 or 701 under the Securities Act. Our directors, executive officers and our principal shareholders have agreed with our underwriters not to offer, sell, contract to sell, or otherwise dispose of, directly or indirectly, any ordinary shares, or

any securities convertible into or exercisable or exchangeable for ordinary shares for a period of 180 days following our initial public offering. This period expires on October 9, 2000.