As filed with the Securities and Exchange Commission on July 17, 2020

Securities Act File No. 333-234592

Investment Company Act File No. 811-23489

U.S. SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form N-2

(Check appropriate box or boxes)

Nuveen Dynamic Municipal Opportunities Fund

Exact Name of Registrant as Specified in Declaration of Trust

333 West Wacker Drive, Chicago, Illinois 60606

Address of Principal Executive Offices (Number, Street, City, State, Zip Code)

(800) 257-8787

Registrant’s Telephone Number, including Area Code

Gifford R. Zimmerman

Vice President and Secretary

333 West Wacker Drive

Chicago, Illinois 60606

Name and Address (Number, Street, City, State, Zip Code) of Agent for Service.

Approximate Date of Proposed Public Offering:

As soon as practicable after the effective date of this Registration Statement.

If any of the securities being registered on this form are offered on a delayed or continuous basis in reliance on Rule 415 under the Securities Act of 1933, other than securities offered in connection with a dividend reinvestment plan, check the following box. ☐

It is proposed that this filing will become effective (check appropriate box)

☐ when declared effective pursuant to section 8(c)

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 the 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 Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.

THE INFORMATION IN THIS PROSPECTUS IS NOT COMPLETE AND MAY BE CHANGED. WE MAY NOT SELL THESE SECURITIES UNTIL THE REGISTRATION STATEMENT FILED WITH THE SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS PROSPECTUS IS NOT AN OFFER TO SELL THESE SECURITIES AND WE ARE NOT SOLICITING OFFERS TO BUY THESE SECURITIES IN ANY JURISDICTION WHERE THE OFFER OR SALE IS NOT PERMITTED.

Subject to Completion

Preliminary Prospectus dated July 20, 2020

PROSPECTUS

                     Shares

Nuveen Dynamic Municipal Opportunities Fund

Common Shares

$15.00 per Share

The Fund.    Nuveen Dynamic Municipal Opportunities Fund (the “Fund”) is a newly organized, diversified, closed-end management investment company. The investment objective of the Fund is to seek total return through income exempt from regular federal income taxes and capital appreciation. There can be no assurance that the Fund will achieve its investment objective or that the Fund’s investment strategies will be successful.

Fund Strategies and Policies.    The Fund seeks to achieve its investment objective by investing, under normal circumstances, at least 80% of its Assets (as defined on page 5) in municipal securities, the interest on which is exempt from regular U.S. federal income tax. The Fund’s portfolio will be actively managed to invest across the entire municipal securities market, with the ability to allocate opportunistically and without limit to municipal securities of any credit quality (including below investment grade municipal securities) and maturity. The Fund’s subadviser will employ a dynamic, research-intensive investment strategy that integrates top-down analysis of credit quality, yield curve positioning and sector allocation, as well as bottom-up security selection. Below investment grade municipal securities are regarded as having predominately speculative characteristics with respect to the issuer’s capacity to pay interest or dividends and repay principal, which implies higher price volatility and default risk than investment grade instruments of comparable terms and duration. The Fund’s credit profile, sector allocation and yield curve positioning are anticipated to change over time based upon the subadviser’s assessment of market conditions and individual investment opportunities. The Fund may invest up to 20% of its Managed Assets (as defined on page 5) in taxable debt obligations, including taxable municipal securities. The Fund may invest without limit in municipal securities that generate income subject to the federal alternative minimum tax. There can be no assurance that the Fund’s strategy and decision-making will be successful.

No Prior History.    Because the Fund is newly organized, its common shares of beneficial interest (“Common Shares”) have no history of public trading. Shares of closed-end investment companies frequently trade at a discount from their net asset value (“NAV”). This risk of loss due to the discount may be greater for investors who expect to sell their shares in a relatively short period after completion of the initial public offering. It is expected that the Fund’s Common Shares will be approved for listing on the New York Stock Exchange. The trading or “ticker” symbol is “NDMO.”

This prospectus sets forth concisely information about the Fund that a prospective investor should know before investing, and should be retained for future reference. Investing in the Fund’s Common Shares involves certain risks. The Fund’s anticipated exposure to below investment grade securities (high yield or junk bonds) involves special risks, including an increased risk with respect to the issuer’s capacity to pay interest or dividends and repay principal. You could lose some or all of your investment. See “Risks ” beginning on page 56 of this prospectus. Certain of these risks are summarized in “Prospectus Summary—Special Risk Considerations” beginning on page 14 of this prospectus.

Neither the Securities and Exchange Commission (“SEC”) nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

(notes on following page)

The underwriters expect to deliver the Common Shares to purchasers on or about                         , 2020.

The date of this prospectus is                         , 2020.

(notes from previous page)

Leverage.    The Fund anticipates using leverage in order to pursue its investment objective. The Fund may use leverage to the extent permitted by the Investment Company Act of 1940 (the “1940 Act”). The Fund may source leverage initially and throughout the life of the Fund through a number of methods including through borrowings, issuing preferred shares of beneficial interest (“Preferred Shares”), which have seniority over the Common Shares, the issuance of debt securities, entering into reverse repurchase agreements (effectively a borrowing), and investing in residual interest certificates of tender option bond trusts, also called inverse floating rate securities, that have the economic effect of leverage because the Fund’s investment exposure to the underlying bonds held by the trust have been effectively financed by the trust’s issuance of floating rate certificates. The sources of leverage will vary depending on market conditions. The Fund anticipates using such leverage in an aggregate amount equal to approximately 32% of the Fund’s Managed Assets, if current market conditions persist. In pursuit of its investment objective, the Fund has the ability to actively and dynamically reduce or increase the amount and type of leverage based upon changes in market conditions, composition of the Fund’s holdings and remaining time until the Fund’s termination date. The Fund’s leverage ratio will vary from time to time based upon such changes in the amount of leverage used and variations in the value of the Fund’s holdings. In addition, the Fund may use derivatives that have the economic effect of leverage. The use of leverage creates special risks for common shareholders. See “Leverage,” “Risks — Fund Level Risks — Leverage Risk,” “Portfolio Composition and Other Information — Municipal Securities — Inverse Floating Rate Securities” and “Risks — Portfolio Level Risks — Inverse Floating Rate Securities Risk.” There is no assurance that the Fund will use leverage or that the Fund’s use of leverage will work as planned or achieve its goals.

Limited Term.    The Fund’s Declaration of Trust provides that the Fund terminates on the first business day of the month that follows the twelfth anniversary of the effective date of the Fund’s initial registration statement, which is currently anticipated to be September 1, 2032 (the “Stated Termination Date”); however, the Board of Trustees of the Fund (the “Board of Trustees”) may vote to extend the term of the Fund for up to two years (in the event of any such extension, the termination date shall be referred to as the “Extended Termination Date” and the later of the Stated Termination Date and the Extended Termination Date is referred to as the “Termination Date”); furthermore, the Board of Trustees may determine to cause the Fund to conduct a tender offer to all holders of outstanding Common Shares as of a date within the 6-18 months preceding the Termination Date (an “Eligible Tender Offer”). At the time of the Eligible Tender Offer, the Board of Trustees will determine the minimum net assets the Fund must retain following the Eligible Tender Offer to ensure the Fund’s continued viability (the “Termination Threshold”). If the number of Common Shares properly tendered in an Eligible Tender Offer would result in the Fund’s net assets totaling greater than the Termination Threshold, the Fund will purchase all Common Shares properly tendered and not withdrawn pursuant to the terms of the Eligible Tender Offer. If an Eligible Tender Offer is completed, the Board of Trustees may, in its sole discretion and without any action by the shareholders of the Fund, provide that the Fund may continue without limitation of time, subject to

the terms and conditions described herein. If the Termination Threshold would not be satisfied, an Eligible Tender Offer will not be completed, the Fund will, no later than the Termination Date, cease investment operations, retire or redeem its leverage facilities, liquidate its investment portfolio (to the extent possible) and, on or after the Termination Date, the Fund will distribute all of its liquidated net assets to common shareholders of record in one or more distributions. The Fund’s investment objective is not designed to return to common shareholders their original NAV or purchase price. See “Prospectus Summary — Limited Term; Eligible Tender Offer” and “Risks — Fund Level Risks — Limited Term and Tender Offer Risks.”

Fund Distributions.    The Fund currently intends to implement a managed distribution policy by declaring monthly distributions stated in terms of a fixed cents per Common Share that would be composed of net investment income and a supplemental amount generally representing the potential for capital appreciation, which may take the form of realized capital gains or, possibly, a return of capital, which may (but will not necessarily) represent unrealized capital gains. Monthly distributions that include such supplemental amounts representing potential capital appreciation are sometimes referred to as “managed distributions.” The Fund’s managed distribution policy is being implemented pursuant to an exemptive order issued by the SEC, which permits the Fund to distribute long-term capital gains to shareholders more frequently than once per year. The Fund will seek to establish a distribution rate that roughly corresponds to Nuveen Fund Advisors’ projections of the total return that could reasonably be expected to be generated by the Fund over an extended period of time, although the distribution rate will not be directly dependent on the amount of income earned or capital gains realized by the Fund. Nuveen Fund Advisors, in making such projections, may consider long-term historical returns of the types of securities in the portfolio, current and expected portfolio composition, current market sentiment, and a variety of other factors. As portfolio and market conditions change, the rate of distributions on the Common Shares and the Fund’s distribution policy could change. Because the Fund’s portfolio turnover is expected to be higher than that of a traditional municipal bond fund, it is expected that a greater percentage of the Fund’s income than would normally be the case would be attributable to capital appreciation, which would be subject to tax depending on a shareholder’s situation.

To the extent that the total return of the Fund’s overall strategy exceeds the distribution rate for an extended period, the Fund may be in a position either to increase the distribution rate or to distribute supplemental amounts to shareholders, or both. Conversely, if the total return of the Fund’s overall strategy is less than the distribution rate for an extended period of time, the Fund will effectively be drawing upon its assets to meet payments prescribed by its distribution policy. The Fund’s final distribution for each calendar year may include any remaining net investment income and net realized capital gains not distributed during the year. See “Distributions” for additional information.

Beginning on January 1, 2021, as permitted by regulations adopted by the SEC, paper copies of the Fund’s shareholder reports will not be sent by mail, unless you specifically request paper copies of the shareholder reports from the Fund or from your financial intermediary, such as a broker-dealer or bank. Instead, shareholder reports will be available on the Fund’s website at http://www.nuveen.com, and you will be notified by mail each time a report is posted and provided with a website link to access the report. If you already elected to receive shareholder reports electronically, you will not be affected by this change and you need not take any action. You may elect to receive shareholder reports and other communications from the Fund electronically anytime by contacting your financial intermediary, such as a broker-dealer or bank, through which you hold your Common Shares. Shareholders may at any time elect to receive paper copies of the shareholder reports without charge by contacting your financial intermediary or by contacting the Fund by calling (800) 257-8787 or by writing to 333 West Wacker Drive, Chicago, Illinois 60606.

You should read this prospectus, which contains important information about the Fund, before deciding whether to invest, and retain it for future reference. A Statement of Additional Information, dated                         , 2020, as amended or supplemented through the effective date of this prospectus, containing additional information about the Fund, has been filed with the SEC and is incorporated by reference in its entirety into this prospectus. You may request a free copy of the Statement of Additional Information, the table of contents of which is on page 94 of this prospectus, annual and semi-annual reports to shareholders, when available, and other information about the Fund, and make shareholder inquiries by calling (800) 257-8787 or by writing to the Fund, or from the Fund’s website (www.nuveen.com). The information contained in, or that can be accessed through, the Fund’s website is not part of this prospectus. You also may obtain a copy of the Statement of Additional Information (and other information regarding the Fund) from the SEC’s website (www.sec.gov).

The Fund’s Common Shares do not represent a deposit or obligation of, and are not guaranteed or endorsed by, any bank or other insured depository institution, and are not federally insured by the Federal Deposit Insurance Corporation, the Federal Reserve Board or any other government agency.

You should rely only on the information contained or incorporated by reference in this prospectus. The Fund has not, and the underwriters have not, authorized anyone to provide you with different information. If anyone provides you with different or inconsistent information, you should not rely on it. The Fund is not, and the underwriters are not, making an offer of these securities in any jurisdiction where the offer is not permitted. You should not assume that the information contained in this prospectus is accurate as of any date other than the date on the front of this prospectus. The Fund’s business, financial condition and prospects may have changed since that date.

PROSPECTUS SUMMARY

This is only a summary. You should review the more detailed information contained elsewhere in this prospectus and in the Statement of Additional Information (“SAI”) prior to making an investment in the Fund, especially the information set forth under the heading “Risks.”

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The Fund may be appropriate for investors who are seeking a dynamic municipal strategy with potentially significant credit, sector and duration risk, and with the following features and potential benefits:

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The Fund may invest in “tobacco settlement bonds.” Tobacco settlement bonds are municipal securities that are secured or payable solely from the collateralization of the proceeds from class action or

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other litigation against the tobacco industry. Investments in tobacco settlement bonds are subject to risks. See “Risks—Portfolio Level Risks—Tobacco Settlement Bond Risk” below.

See “Portfolio Composition and Other Information” for additional information on the types of securities in which the Fund may invest.

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For purposes of the investment limitations in this prospectus, a security’s rating is determined using the lowest rating of Moody’s Investor Services, Inc. (“Moody’s”), Standard & Poor’s Ratings Services, a Standard & Poor’s Financial Services LLC business (“Standard & Poor’s” or “S&P”) and Fitch Ratings, a part of the Fitch Group (“Fitch”) if all three nationally recognized statistical rating organizations (“NRSROs”) rate the security. If ratings are provided by only two of those NRSROs, the lower rating is used to determine the rating. If only one of those NRSROs provides a rating, that rating is used. If a security is not rated by any NRSRO, the rating determined by Nuveen Asset Management is used. Investment rating limitations are considered to apply only at the time of investment and will not be considered violated unless an excess or deficiency occurs or exists immediately after and as a result of an acquisition of securities.

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Reverse repurchase agreements involve the sale of securities held by the Fund with an agreement to repurchase the securities at an agreed-upon price, date and interest payment. Selling a portfolio security and agreeing to buy it back under a reverse repurchase agreement is economically equivalent to borrowing. See “Risks—Portfolio Level Risks—Reverse Repurchase Agreement Risk.”

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The Fund’s actual financial performance will likely vary significantly from month-to-month and from year-to-year, and there may be extended periods when the distribution rate will exceed the Fund’s

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actual total returns. The Fund’s projected or actual distribution rate is not a prediction of what the Fund’s actual total returns will be over any specific future period.

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Interest Rate Risk.    Generally, when market interest rates rise, bond prices fall, and vice versa. Interest rate risk is the risk that the municipal securities in the Fund’s portfolio will decline in value because of increases in market interest rates. As interest rates decline, issuers of municipal securities may prepay principal earlier than scheduled, forcing the Fund to reinvest in lower-yielding municipal securities and potentially reducing the Fund’s income. As interest rates increase, slower than expected principal payments may extend the average life of municipal securities, potentially locking in a below-market interest rate and reducing the Fund’s value. In typical market interest rate environments, the prices of longer-term municipal securities generally

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fluctuate more than prices of shorter-term municipal securities as interest rates change. The Federal Reserve recently reduced the federal funds rate several times.

Duration Risk.    Duration is the sensitivity, expressed in years, of the price of a fixed-income security to changes in the general level of interest rates (or yields). Securities with longer durations tend to be more sensitive to interest rate (or yield) changes, which typically corresponds to increased volatility and risk, than securities with shorter durations. For example, if a security or portfolio has a duration of three years and interest rates increase by 1%, then the security or portfolio would decline in value by approximately 3%. Duration differs from maturity in that it considers potential changes to interest rates, and a security’s coupon payments, yield, price and par value and call features, in addition to the amount of time until the security matures. The duration of a security will be expected to change over time with changes in market factors and time to maturity.

Inverse Floating Rate Securities Risk.    The Fund may invest in inverse floating rate securities. Typically, inverse floating rate securities represent beneficial interests in a special purpose trust (sometimes called a “tender option bond trust”) formed for the purpose of holding municipal bonds. See “Portfolio Composition and Other Information—Inverse Floating Rate Securities.” In general, income on inverse floating rate securities will decrease when short-term interest rates increase and increase when short-term interest rates decrease. Investments in inverse floating rate securities may subject the Fund to the risks of reduced or eliminated interest payments and losses of principal. In addition, inverse floating rate securities may increase or decrease in value at a greater rate than the underlying interest rate, which effectively leverages the Fund’s investment. As a result, the market value of such securities generally will be more volatile than that of fixed rate securities.

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Defaulted and Distressed Securities Risk.    The Fund may invest in securities of an issuer that is in default or that is in bankruptcy or insolvency proceedings at the time of purchase. In addition, the Fund may hold investments that at the time of purchase are not in default or involved in bankruptcy or insolvency proceedings, but may later

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become so. Moreover, the Fund may invest in securities either rated CCC+/Caa1 or lower, or unrated but judged by Nuveen Asset Management to be of comparable quality. Some or many of these low-rated securities, although not in default, may be “distressed,” meaning that the issuer is experiencing financial difficulties or distress at the time of acquisition. Such securities would present a substantial risk of future default which may cause the Fund to incur losses, including additional expenses, to the extent it is required to seek recovery upon a default in the payment of principal or interest on those securities. In any reorganization or liquidation proceeding relating to a portfolio security, the Fund may lose its entire investment or may be required to accept cash or securities with a value less than its original investment. Defaulted or distressed securities may be subject to restrictions on resale.

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Puerto Rico Municipal Securities Market Risk.    To the extent that the Fund invests a significant portion of its assets in the securities issued by the Commonwealth of Puerto Rico or its political subdivisions, agencies, instrumentalities, or public corporations (collectively referred to in this prospectus as “Puerto Rico” or the “Commonwealth”), it will be disproportionally affected by political, social and economic conditions and developments in the Commonwealth. In addition, economic, political or regulatory changes in that territory could adversely affect the value of the Fund’s investment portfolio.

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Hedging Risk.    The Fund’s use of derivatives or other transactions to reduce risks involves costs and will be subject to Nuveen Asset Management’s ability to correctly predict changes in the relationships of such hedge instruments to the Fund’s portfolio holdings or other factors. No assurance can be given that Nuveen Asset Management’s judgment in this respect will be correct. In addition, no assurance can be given that the Fund will enter into hedging or other transactions at times or under circumstances in which it may be advisable to do so.

Sector Focus Risk.    At times, the Fund may focus its investments (i.e., overweight its investments relative to the overall municipal securities market) in one or more particular sectors, which may subject the Fund to additional risk and variability. Securities issued in the same sector may be similarly affected by economic or market events, making the Fund more vulnerable to unfavorable developments in that sector than funds that invest more broadly. As the percentage of the Fund’s Managed Assets invested in a particular sector increases, so does the potential for fluctuation in the NAV of the Fund’s Common Shares.

Tax Risk.    The value of the Fund’s investments and its NAV may be adversely affected by changes in tax rates and rules. Because interest income from municipal securities is normally not subject to U.S. regular federal income taxation, the attractiveness of municipal securities in relation to other investment alternatives is affected by changes in federal income tax rates or changes in the tax exempt status of interest income from municipal securities. Additionally, the Fund is not a suitable investment for individual retirement accounts, for other tax exempt or tax-deferred accounts, for investors who are not sensitive to the federal income tax consequences of their investments, or for investors seeking primarily tax free income since the Fund’s portfolio turnover is expected to be higher than that of a traditional municipal bond fund and the Fund therefore expects that a greater percentage of each distribution would be attributable to capital appreciation rather than to tax-exempt income with investors being subject to tax on such realized appreciation (depending on the investor’s situation). The Fund’s investment in AMT Bonds may trigger adverse tax consequences for Fund shareholders who are subject to the federal alternative minimum tax. If you are, or as a result of investment in the Fund would become, subject to the federal alternative minimum tax, the Fund may not be a suitable investment

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for you. In addition, distributions of taxable ordinary income (including any net short-term capital gain) will be taxable to shareholders as ordinary income (and not eligible for favorable taxation as “qualified dividend income”), and capital gain dividends will be taxable as long-term capital gains. The portion of each distribution attributable to capital appreciation is expected to be higher than that in a typical municipal bond fund. As a result, the level of taxable distributions currently anticipated by the Fund could be significant for Common Shareholders. Unlike a distribution attributable to tax-exempt income, a distribution attributable to capital appreciation would be subject to tax depending on a shareholder’s situation. Interest income on municipal securities also may be subject to state and local income taxes. See “Tax Matters.”

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Market Discount from Net Asset Value.    Shares of closed-end investment companies like the Fund frequently trade at prices lower than their NAV, which creates a risk of loss for investors when they sell shares purchased in the initial public offering. This characteristic is a risk separate and distinct from the risk that the Fund’s NAV could decrease as a result of investment activities. The Common Shares are designed primarily for long-term investors, and you should not view the Fund as a vehicle for short-term trading purposes.

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In December 2019, an initial outbreak of COVID-19 was reported and has resulted in numerous deaths and the imposition of both local and more widespread quarantine measures, border closures and other travel restrictions, causing social unrest and commercial disruption on a global scale. In response to the COVID-19 pandemic, central banks and governments have responded with liquidity injections to ease the strain on financial systems and stimulus measures to buffer the shock to businesses and consumers. These measures have helped stabilize the markets over the short term, but volatility will likely remain elevated until the health crisis itself is under control (via fewer new cases, lower infection rates and/or verified treatments). There are still many unknowns and new information is incoming daily, compounding the difficulty of modeling outcomes for epidemiologists and economists alike.

Additionally, the recent outbreak of COVID-19 has adversely impacted global commercial activity and has contributed to significant volatility in certain financial markets. There are no comparable recent events in the U.S. that provide guidance as to the effect of the spread of COVID-19 and a potential pandemic on the economy as a whole and, consequently, the Fund. Accordingly, while there have been proposed, and in some cases enacted, economic stimulus measures aimed at curbing the negative economic impacts to the U.S. and other countries as a result of COVID-19, it cannot be determined at this time whether such stimulus measures will have a stabilizing economic effect.

To the extent the impacts of COVID-19 continue, the Fund may experience negative impacts to its business that could exacerbate other risks to which the Fund is subject, including: (1) issuers of municipal securities could be materially impacted by the COVID-19 pandemic, which may, in turn, negatively affect the value of such securities or such issuers’ ability to make interest payments or distributions to the Fund and result in a decrease in the NAV of the Fund; (2) operational impacts on and availability of key personnel of Nuveen Fund Advisors, Nuveen Asset Management, and/or any of the Fund’s other service providers, vendors and counterparties as they face changed circumstances and/or illness related to the pandemic; and (3) limitations on the Fund’s ability to make distributions or dividends, as applicable, to Common Shareholders.

The Fund does not know and cannot predict how long the securities markets may be affected by these events and the effects of these and similar events in the future on the U.S. economy and securities markets. The Fund may be adversely affected by abrogation of international agreements and national laws which have created the market instruments in which the Fund may invest, failure of the designated national and international authorities to enforce compliance with the same laws and agreements, failure of local, national and international organizations to carry out their duties prescribed to them under the relevant agreements, revisions of these

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laws and agreements which dilute their effectiveness or conflicting interpretation of provisions of the same laws and agreements.

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On June 23, 2016, the United Kingdom (“UK”) held a referendum on whether to remain a member state of the European Union (“EU”), in which voters favored the UK’s withdrawal from the EU, an event widely referred to as “Brexit” and which triggered a two-year period of negotiations on the terms of withdrawal. The formal notification to the European Council required under Article 50 of the Treaty on EU was made on March 29, 2017, following which the terms of exit were negotiated. On January 31, 2020, the UK formally withdrew from the EU. The longer term economic, legal, political and social framework to be put in place between the UK and the EU are unclear at this stage, remain subject to negotiation and are likely to lead to ongoing political and economic uncertainty and periods of exacerbated volatility in both the UK and in wider European markets for some time. The outcomes may cause increased volatility and have a significant adverse impact on world financial markets, other international trade agreements, and the UK and European economies, as well as the broader global economy for some time. Additionally, a number of countries in Europe have suffered terror attacks, and additional attacks may occur in the future. Ukraine has experienced ongoing military conflict; this conflict may expand and military attacks could occur elsewhere in Europe. Europe has also been struggling with mass migration from the Middle East and Africa. The ultimate effects of these events and other socio-political or geographical issues are not known but could profoundly affect global economies and markets.

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SUMMARY OF FUND EXPENSES

The purpose of the table and example below is to help you understand all fees and expenses that you, as a Common Shareholder, would bear directly or indirectly. The expenses shown in the table are based on estimated amounts for the Fund’s first full year of operations and assume that the Fund issues 13,333,333 Common Shares in this offering. The Annual Expenses table below assumes the use of leverage in an aggregate amount equal to 32% of the Fund’s Managed Assets (after their use), and shows Fund expenses as a percentage of net assets attributable to Common Shares. The Fund’s actual expenses may vary from the estimated expenses shown in the table and, all other things being equal, will increase as a percentage of net assets attributable to Common Shares if the Fund issues less than 13,333,333 Common Shares. See “Management of the Fund.”

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Example

The following example illustrates the expenses that you would pay on a $1,000 investment in Common Shares, assuming (1) total annual expenses of 1.88% of net assets attributable to Common Shares and (2) a 5% annual return. The example assumes that the estimated Total Annual Expenses set forth in the Annual Expenses table are accurate and that all dividends and distributions are reinvested at Common Share NAV. Moreover, the Fund’s actual rate of return may be greater or less than the hypothetical 5% return shown in the example.

The example should not be considered a representation of future expenses. Actual expenses may be higher or lower.

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THE FUND

The Fund is a newly organized, diversified, closed-end management investment company registered under the Investment Company Act of 1940 (the “1940 Act”). The Fund was organized as a Massachusetts business trust on November 4, 2019, pursuant to the Fund’s Declaration of Trust. As a newly organized entity, the Fund has no operating history. The Fund’s principal office is located at 333 West Wacker Drive, Chicago, Illinois 60606, and its telephone number is (800) 257-8787.

USE OF PROCEEDS

The net proceeds of this offering of Common Shares will be approximately $                         ($                         if the Underwriters exercise the over-allotment option in full). Nuveen Fund Advisors has agreed to (i) reimburse all organizational expenses of the Fund and (ii) pay the Fund’s offering costs. The Fund will invest the net proceeds of this offering in accordance with the Fund’s investment objective and policies (as stated below) as soon as practicable after the completion of this offering. The Fund currently anticipates that it will be able to invest substantially all of the net proceeds in securities that meet the Fund’s investment objective and policies within three months after completion of this offering; however, under certain circumstances, including but not limited to, adverse market conditions, lack of supply and lack of ability to secure the most attractive investment opportunities for investors, the Fund may take up to six months after completion of this offering to invest substantially all of the net proceeds in securities that meet the Fund’s investment objective and policies. During the period in which the net proceeds of this offering are first being invested (the “invest-up period”), the Fund may invest up to 100% of its Managed Assets in short-term investments, including high quality, short-term securities, or may invest in short-, intermediate-, or long-term U.S. Treasury securities. During the invest-up period, the Fund may also purchase securities issued by exchange-traded funds (“ETFs”) that invest primarily in municipal securities of the types in which the Fund may invest directly. Any such investments in ETFs will be in compliance with the limitations imposed by the 1940 Act or pursuant to any exemptive relief obtained thereunder.

THE FUND’S INVESTMENTS

Investment Objective

The investment objective of the Fund is to seek total return through income exempt from regular federal income taxes and capital appreciation. There can be no assurance that the Fund will achieve its investment objective or that the Fund’s investment strategies will be successful.

Fund Strategies

The Fund seeks to achieve its investment objective by investing in municipal securities as described below. The Fund’s portfolio will be actively managed to invest across the entire municipal securities market, with the ability to allocate opportunistically and without limit to municipal securities of any credit quality and maturity. Nuveen Asset Management will employ a dynamic, research-intensive investment strategy that integrates top-down analysis of credit quality orientation, yield curve positioning and sector allocation, as well as bottom-up security selection. The Fund’s credit profile, sector allocation and yield curve positioning are anticipated to change over time based upon Nuveen Asset Management’s assessment of market conditions and individual investment opportunities. There can be no assurance that the Fund’s strategy and decision-making will be successful.

Portfolio Contents

The Fund will invest its assets in municipal securities of any credit quality and maturity. Municipal securities include municipal bonds, notes, securities issued to finance and refinance public projects, certificates

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of participation, variable rate demand obligations, lease obligations, municipal notes, pre-refunded municipal bonds, private activity bonds, securities issued by tender option bond trusts, including inverse floating rate securities, and other forms of municipal bonds and securities, and other related instruments that create exposure to municipal bonds, notes and securities that provide for the payment of interest income that is exempt from regular U.S. federal income tax.

Municipal securities are debt obligations generally issued by states, cities and local authorities and certain possessions and territories of the United States (such as Puerto Rico and Guam) to finance or refinance public purpose projects such as roads, schools, and water supply systems. Municipal securities may also be issued to finance and refinance privately owned facilities, such as housing, medical and educational construction, or for privately owned transportation, electric utility and pollution control projects deemed to serve a public purpose. Municipal securities may be issued on a long-term basis to provide long-term financing. The repayment of such debt may be secured generally by a pledge of the full faith and credit taxing power of the issuer, a limited or special tax, or any other revenue source, including project revenues, which may include tolls, fees and other user charges, lease payments and mortgage payments. Municipal securities may also be issued to finance projects on a short-term interim basis, anticipating repayment with the proceeds of long-term debt. Municipal securities may be issued and purchased in the form of bonds, notes, leases or certificates of participation; structured as callable or non-callable; with payment forms including fixed coupon, variable rate, zero coupon, capital appreciation bonds or inverse floating rate securities; or acquired through investments in pooled vehicles, partnerships or other investment companies. Inverse floating rate securities are securities that pay interest at rates that vary inversely with changes in prevailing short-term tax exempt interest rates and represent a leveraged investment in an underlying municipal security, which may increase the leverage of the Fund. The market value of a municipal security will generally depend upon its form, maturity, call features and interest rate, as well as the credit quality or credit rating of the issuer, all such factors examined in the context of the municipal securities market and interest rate levels and trends.

The Fund may invest in municipal securities that pay interest that is taxable under the federal alternative minimum tax applicable to noncorporate taxpayers (“AMT Bonds”). AMT Bonds may trigger adverse tax consequences for Fund shareholders who are subject to the federal alternative minimum tax. If you are, or as a result of investment in the Fund would become, subject to the federal alternative minimum tax, the Fund may not be a suitable investment for you. In addition, distributions of taxable ordinary income (including any net short-term capital gain) will be taxable to shareholders as ordinary income (and not eligible for favorable taxation as “qualified dividend income”), and capital gain dividends will be taxable as long-term capital gains. Interest income on municipal securities also may be subject to state and local income taxes. See “Risks—Portfolio Level Risks—Tax Risk” and “Tax Matters.”

The Fund may invest in “tobacco settlement bonds.” Tobacco settlement bonds are municipal securities that are secured or payable solely from the collateralization of the proceeds from class action or other litigation against the tobacco industry. Investments in tobacco settlement bonds are subject to risks. See “Risks—Portfolio Level Risks—Tobacco Settlement Bond Risk” below.

The Fund may invest in securities of other open-end or closed-end investment companies, including ETFs, that invest primarily in the types of municipal securities in which the Fund may invest directly.

See “Portfolio Composition and Other Information” for additional information on the types of securities in which the Fund may invest.

The Fund may invest without limitation in credit default swaps, and may enter into credit default swaps as either a buyer or a seller. The credit default swaps in which the Fund may invest (or sell) include those in which the underlying reference instrument is the debt obligation of a single reference issuer (“single-name CDS”). Unlike other types of credit default swaps, single-name CDS do not have the benefit of diversification across many issuers.

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In addition to credit default swaps, the Fund also may use certain other derivative instruments in pursuit of its investment objective. Such instruments include financial futures contracts, swap contracts (including interest rate and total return swaps), options on financial futures, options on swap contracts, or other derivative instruments. See “Leverage” and “Risks—Portfolio Level Risks—Derivatives Risk.” Nuveen Asset Management may use derivative instruments to enhance return, to attempt to hedge some of the risk of the Fund’s investments, to attempt to manage the effective maturity or duration of securities in the Fund’s portfolio or as a substitute for a position in the underlying asset. See “Portfolio Composition and Other Information—Derivatives.”

Nuveen Asset Management Investment Philosophy and Process

Nuveen Asset Management believes that the unique tax treatment of municipal securities and the structural characteristics in the municipal securities market create attractive opportunities to enhance the after-tax total return and diversification of the investment portfolios of taxable investors. Nuveen Asset Management believes that these unique characteristics also present unique risks that may be managed to realize the benefits of the asset class.

After-Tax Income Potential.    The primary source of total return from municipal securities comes from the tax-exempt income derived therefrom. Nuveen Asset Management believes that, at acceptable levels of credit risk and maturity principal risk, the municipal securities market offers the potential for higher after-tax income when compared with other fixed income markets.

Managing Multi-Faceted Risks.    Risk in the municipal securities market is derived from multiple sources, including credit risk at the issuer and sector levels, structural risks such as call risk, yield curve risk, and legislative and tax-related risks. Nuveen Asset Management believes that managing these risks at both the individual security and Fund portfolio levels is an important element of realizing the after-tax income and total return potential of the asset class.

Opportunities to Identify Underrated and Undervalued Municipal Securities.    Within the state and national municipal securities markets, there are issuers with a wide array of financing purposes, security terms, offering structures and credit quality. Nuveen Asset Management believes that the size, depth and other characteristics of the state and national municipal securities markets offer a broad opportunity set of individual issuers in securities that may be underrated and undervalued relative to the general market.

Market Inefficiencies.    Nuveen Asset Management believes that the scale and intricacy of the municipal securities market often results in pricing anomalies and other inefficiencies that can be identified and capitalized on through trading strategies.

Nuveen Asset Management believes that a dynamic, research-intensive investment strategy that integrates top-down analysis of credit quality, yield curve positioning and sector allocation, as well as bottom-up security selection, is well-suited to capture the opportunities inherent in the municipal securities market and potentially outperform the general municipal securities market over time. The primary elements of Nuveen Asset Management’s investment process are:

Credit Analysis and Surveillance.    Nuveen Asset Management focuses on a dynamic, research-intensive analysis of municipal securities issuers. Analysts screen each sector for issuers that meet the fundamental tests of creditworthiness and favor those securities with demonstrable growth potential, solid coverage of debt service and a priority lien on hard assets, dedicated revenue streams or tax resources. As part of Nuveen Asset Management’s overall risk management process, analysts actively monitor the credit quality of portfolio holdings.

Sector Analysis.    Organized by sector, analysts continually assess the key issues and trends affecting each sector in order to maintain a sector outlook. Evaluating such factors as historical default rates and average credit spreads within each sector, analysts provide top-down analysis that supports decisions to overweight or underweight a given sector in a portfolio.

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Yield Curve Positioning.    Nuveen Asset Management seeks to position the portfolio in segments of the yield curve to maximize the potential for capital appreciation according to its view on expected changes in interest rates and the shape of the yield curve while also delivering attractive levels of income.

Trading Strategies.    Through its trading strategies, Nuveen Asset Management seeks to enhance portfolio value by trading to take advantage of inefficiencies found in the municipal market.

Sell Discipline.    Nuveen Asset Management may choose to sell municipal securities with deteriorating credit quality or limited upside potential compared to other available bonds.

Investment Policies

Under normal circumstances:

The foregoing policies apply only at the time of any new investment. The Fund has no limitation as to the maturity or duration of the municipal securities in which it will invest. The Fund’s policy of investing at least 80% of its Assets in municipal securities, the income on which is exempt from regular U.S. federal income tax, is a fundamental policy which may not be changed without the approval of the holders of a majority of the Fund’s outstanding Common Shares.

“Assets” means net assets of the Fund plus the amount of any borrowings for investment purposes. “Managed Assets” means the total assets of the Fund, minus the sum of its accrued liabilities (other than Fund liabilities incurred for the express purpose of creating leverage). Total assets for this purpose shall include assets attributable to the Fund’s use of leverage (whether or not those assets are reflected in the Fund’s financial statements for purposes of generally accepted accounting principles), and derivatives will be valued at their market value.

The portion of the Fund’s assets invested in below investment grade municipal securities (commonly referred to as “high yield” or “junk” bonds) may vary over time. Below investment grade securities are regarded as having predominately speculative characteristics with respect to the issuer’s capacity to pay interest or dividends and repay principal, which implies higher price volatility and default risk than investment grade instruments of comparable terms and duration. These securities generally provide higher income than investment grade securities in an effort to compensate investors for their higher risk of default, which is the issuer’s failure to make required interest, dividend or principal payments on the securities.

The Fund may invest in “tobacco settlement bonds.” Tobacco settlement bonds are bonds that are secured or payable solely from the collateralization of the proceeds from class action or other litigation against the tobacco industry. See “Risks—Portfolio Level Risks—Tobacco Settlement Bond Risk” below.

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For purposes of the investment limitations in this prospectus, a security’s rating is determined using the lowest rating of Moody’s, Standard & Poor’s and Fitch if all three NRSROs rate the security. If ratings are provided by only two of those NRSROs, the lower rating is used to determine the rating. If only one of those NRSROs provides a rating, that rating is used. If a security is not rated by any NRSRO, the rating determined by Nuveen Asset Management is used. Investment rating limitations are considered to apply only at the time of investment and will not be considered violated unless an excess or deficiency occurs or exists immediately after and as a result of an acquisition of securities. The descriptions of the investment rating categories by Moody’s, S&P and Fitch, including a description of their speculative characteristics, are set forth in Appendix A of the SAI. All references to securities ratings by Moody’s, S&P and Fitch in this prospectus shall, unless otherwise indicated, include all securities within each such rating category (i.e., Ba1, Ba2 and Ba3 in the case of Moody’s, BB+, BB and BB- in the case of S&P and Fitch).

Nuveen Asset Management may determine that it is in the best interest of shareholders to pursue a workout arrangement with respect to a defaulted security, which may involve making loans to the issuer or another party, or purchasing an equity or other interest from the issuer or another party, or other related or similar steps involving the investment of additional monies.

During temporary defensive periods, the invest-up period, the “wind-up” period during which the Fund is transitioning its portfolio as the Fund’s termination approaches or the period in which the Fund’s assets are being liquidated in anticipation of the Fund’s termination, the Fund may deviate from its investment policies and objective. During such periods, the Fund may invest up to 100% of its Managed Assets in short-term investments, including high quality, short-term securities, or may invest in short-, intermediate-, or long-term U.S. Treasury securities. During the invest-up period, the Fund may also purchase securities issued by ETFs that invest primarily in municipal securities of the types in which the Fund may invest directly. Any such investments in ETFs will be in compliance with the limitations imposed by the 1940 Act or pursuant to any exemptive relief obtained thereunder. There can be no assurance that such techniques will be successful. Accordingly, during such periods, the Fund may not achieve its investment objective.

Other Policies

The Fund may enter into certain derivative transactions as a hedging technique to attempt to protect against potential adverse changes in the market value of portfolio instruments. The Fund also may use derivatives to attempt to protect the NAV of the Fund, to facilitate the sale of certain portfolio instruments, to manage the Fund’s effective interest rate exposure, to attempt to manage the effective maturity or duration of securities in the Fund’s portfolio and as a temporary substitute for purchasing or selling particular instruments. From time to time, the Fund also may enter into derivative transactions to create investment exposure to the extent such transactions may facilitate implementation of its strategy more efficiently than through outright purchases or sales of portfolio instruments.

Certain investment policies specifically identified in the SAI as such are considered fundamental and may not be changed without shareholder approval. See “Investment Restrictions” in the SAI. All of the Fund’s other investment policies are not considered to be fundamental by the Fund and can be changed by the Board of Trustees of the Fund (the “Board of Trustees”) without a vote of the shareholders. The Fund cannot change its fundamental policies without the approval of the holders of a “majority of the outstanding” Common Shares. When used with respect to particular shares of the Fund, a “majority of the outstanding” shares means (i) 67% or more of the shares present at a meeting, if the holders of more than 50% of the shares are present or represented by proxy or (ii) more than 50% of the shares, whichever is less.

Limited Term; Eligible Tender Offer

The Declaration of Trust provides that the Fund will have a limited period of existence and will terminate as of the first business day of the month that follows the twelfth anniversary of the effective date of the Fund’s initial

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registration statement, which is currently anticipated to be September 1, 2032 (the “Stated Termination Date”); provided that the Board of Trustees may, in its sole discretion and without any action by the shareholders of the Fund, by vote of a majority of the then Board of Trustees with notice to the shareholders, extend the Fund’s term for up to two one year periods (in the event of any such extension, the termination date shall be referred to as the “Extended Termination Date” and the later of the Stated Termination Date and the Extended Termination Date is referred to as the “Termination Date”); furthermore, notwithstanding the foregoing, if the Board of Trustees determines to cause the Fund to conduct an Eligible Tender Offer (as defined below), and the Eligible Tender Offer is completed, the Board of Trustees may, in its sole discretion and without any action by the shareholders of the Fund, by vote of a majority of the then Board of Trustees, provide that the Fund may continue without limitation of time, subject to the terms and conditions described below. If an Eligible Tender Offer is not conducted, the Fund will, no later than the Termination Date, cease investment operations, retire or redeem its leverage facilities, liquidate its investment portfolio (to the extent possible) and, on or after the Termination Date, the Fund will distribute all of its liquidated net assets to Common Shareholders of record in one or more distributions.

Eligible Tender Offer.    The Declaration of Trust provides that an eligible tender offer (an “Eligible Tender Offer”) is a tender offer by the Fund to all holders of outstanding Common Shares as of a date within the 6-18 months preceding the Termination Date. If the tender offer is completed, Shareholders who properly tender Common Shares in the Eligible Tender Offer will receive a purchase price equal to the NAV per share on the expiration date of the Eligible Tender Offer. In an Eligible Tender Offer, the Fund will offer to purchase all outstanding Common Shares held by each Common Shareholder. At the time of the Eligible Tender Offer, the Board of Trustees will determine the Termination Threshold. The Termination Threshold will be based on prevailing market conditions at the time of the Eligible Tender Offer.

If the number of Common Shares properly tendered in an Eligible Tender Offer would result in the Fund’s net assets totaling greater than the Termination Threshold, the Fund will purchase all Common Shares properly tendered and not withdrawn pursuant to the terms of the Eligible Tender Offer and following the completion of such Eligible Tender Offer, the Board of Trustees may, in its sole discretion and without any action by the shareholders of the Fund, provide that the Fund may continue without limitation of time. See “Risks—Fund Level Risks—Limited Term and Tender Offer Risks.” In making this decision, the Board of Trustees will take such actions with respect to the Fund’s continued operations as it deems to be in the best interests of the Fund, based on market conditions at such time, the extent of Common Shareholder participation in the Eligible Tender Offer and all other factors deemed relevant by the Board of Trustees in consultation with Nuveen Fund Advisors, taking into account that Nuveen Fund Advisors may have a potential conflict of interest in seeking to convert the Fund to a fund with a continued existence without limitation of time.

If the number of properly tendered Common Shares would result in the Fund’s net assets totaling less than the Termination Threshold if the Eligible Tender Offer were consummated, the Eligible Tender Offer will be terminated, no Common Shares will be repurchased pursuant to the Eligible Tender Offer and the Fund will begin (or continue) liquidating its investment portfolio and proceed to terminate on the Termination Date.

An Eligible Tender Offer would be made, and Common Shareholders would be notified thereof, in accordance with the Declaration of Trust, the 1940 Act, the 1934 Act, and the applicable tender offer rules thereunder (including Rule 13e-4 and Regulation 14E under the 1934 Act).

Termination, Liquidation.    Unless the Fund’s existence is continued without limitation of time, as described under “—Eligible Tender Offer” above, no later than the Termination Date, the Fund will cease investment operations, retire or redeem its leverage facilities, liquidate its investment portfolio (to the extent possible) and, on or after the Termination Date, the Fund will distribute all of its liquidated net assets to Common Shareholders of record in one or more distributions. In determining whether to extend the Fund’s term, the Board of Trustees may consider a number of factors, including, without limitation, whether the Fund would be unable to sell its assets at favorable prices in a time frame consistent with the Termination Date due to lack of market liquidity or other adverse market conditions, or whether market conditions are such that it is reasonable to believe

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that, with an extension, the Fund’s remaining assets would appreciate and generate income in an amount that, in the aggregate, is meaningful relative to the cost and expense of continuing the Fund’s operations.

Nuveen Fund Advisors and Nuveen Asset Management will seek to manage the Fund’s investment portfolio consistent with the Fund’s obligation to cease operations on the Termination Date. To that end, Nuveen Fund Advisors and Nuveen Asset Management intend to seek municipal securities that they reasonably expect can be sold or otherwise exited at favorable prices on or before the Termination Date. However, there is no assurance that a market or other exit strategy will be available for the Fund’s less liquid investments. As the Termination Date approaches, Nuveen Fund Advisors and Nuveen Asset Management expect to seek to liquidate the Fund’s less liquid investments. As a result, based on prevailing market conditions, available investment opportunities and other factors, the Fund may invest the proceeds from the sale of such investments in money market mutual funds, cash, cash equivalents, securities issued or guaranteed by the U.S. government or its instrumentalities or agencies, high quality short-term money market instruments, short-term debt securities, certificates of deposit, bankers’ acceptances and other bank obligations, commercial paper or other liquid debt securities. As a result, as the Termination Date approaches, the Fund’s monthly cash distributions may decline, and there can be no assurance that the Fund will achieve its investment objective or that its investment strategies will be successful.

Depending on a variety of factors, including the performance of the Fund’s investment portfolio over the period of its operations, the amount distributed to Common Shareholders in connection with its termination or paid to participating Common Shareholders upon completion of an Eligible Tender Offer may be less, and potentially significantly less, than your original investment. The Fund’s final distribution to Common Shareholders on the Termination Date and the amount paid to participating Common Shareholders upon completion of an Eligible Tender Offer will be based upon the Fund’s NAV at such time, and initial investors and any investors that purchase Common Shares after the completion of this offering may receive less, and potentially significantly less, than their original investment.

Because the Fund’s assets will be liquidated in connection with its termination or to pay for Common Shares tendered in an Eligible Tender Offer, the Fund may be required to sell portfolio securities when it otherwise would not, including at times when market conditions are not favorable, which may cause the Fund to lose money. The Fund will make a distribution on the Termination Date of all cash raised from the liquidation of its assets prior to that time. However, given the nature of certain of the Fund’s investments, the Fund may be unable to liquidate certain of its investments until after the Termination Date. In this case, the Fund may make one or more additional distributions after the Termination Date of any cash received from the ultimate liquidation of those investments. This would delay distribution payments, perhaps for an extended period of time, and there can be no assurance that the total value of the cash distribution made on the Termination Date and such subsequent distributions, if any, will equal the Fund’s NAV on the Termination Date, depending on the ultimate results of such post-Termination Date asset liquidations. If, as a result of lack of market liquidity or other adverse market conditions, the Board of Trustees determines it is in the best interests of the Fund, the Fund may transfer any portfolio investments that remain unsold on the Termination Date to a liquidating trust and distribute interests in such liquidating trust to Common Shareholders as part of the Fund’s final distribution. Interests in the liquidating trust are expected to be nontransferable, except by operation of law. The liquidating trust will seek to liquidate such remaining investments for the benefit of the Common Shareholders as soon as practicable following the Termination Date. However, there can be no assurance as to the timing of or the value obtained from such liquidation. See “Risks—Fund Level Risks—Limited Term and Tender Offer Risks.”

PORTFOLIO COMPOSITION AND OTHER INFORMATION

The Fund’s portfolio will be composed principally of the following investments. More detailed information about the Fund’s portfolio investments are contained in the SAI under “Portfolio Composition and Other Information.”

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Municipal Securities

General.    The Fund may invest in various municipal securities, including municipal bonds and notes, other securities issued to finance and refinance public projects, and other related securities and derivative instruments creating exposure to municipal bonds, notes and securities that provide for the payment of interest income that is exempt from regular federal income tax. Municipal securities are often issued by state and local governmental entities to finance or refinance public projects such as roads, schools, and water supply systems. Municipal securities may also be issued on behalf of private entities or for private activities, such as housing, medical and educational facility construction, or for privately owned transportation, electric utility and pollution control projects. Municipal securities may be issued on a long term basis to provide permanent financing. The repayment of such debt may be secured generally by a pledge of the full faith and credit taxing power of the issuer, a limited or special tax, or any other revenue source, including project revenues, which may include tolls, fees and other user charges, lease payments and mortgage payments. Municipal securities may also be issued to finance projects on a short-term interim basis, anticipating repayment with the proceeds of the later issuance of long-term debt. The Fund may purchase municipal securities in the form of bonds, notes, leases or certificates of participation; structured as callable or non-callable; with payment forms including fixed coupon, variable rate, zero coupon, capital appreciation bonds, tender option bonds, and residual interest bonds or inverse floating rate securities; or acquired through investments in pooled vehicles, partnerships or other investment companies. Inverse floating rate securities are securities that pay interest at rates that vary inversely with changes in prevailing short-term tax-exempt interest rates and represent a leveraged investment in an underlying municipal security, which could have the economic effect of leverage.

Municipal securities are either general obligation or revenue bonds and typically are issued to finance public projects (such as roads or public buildings), to pay general operating expenses, or to refinance outstanding debt.

Municipal securities may also be issued on behalf of private entities or for private activities, such as housing, medical and educational facility construction, or for privately owned industrial development and pollution control projects. General obligation bonds are backed by the full faith and credit, or taxing authority, of the issuer and may be repaid from any revenue source; revenue bonds may be repaid only from the revenues of a specific facility or source. The Fund may also purchase municipal securities that represent lease obligations, municipal notes, pre-refunded municipal securities, private activity bonds, securities issued by tender option bonds, which includes inverse floating rate securities, and other related securities and derivative instruments that create exposure to municipal bonds, notes and securities and that provide for the payment of interest income that is exempt from regular federal income tax.

The municipal securities in which the Fund will invest are generally issued by states, cities and local authorities and certain possessions and territories of the United States (such as Puerto Rico and Guam), and pay interest that, in the opinion of bond counsel to the issuer (or on the basis of other authority believed by Nuveen Asset Management to be reliable), is exempt from regular federal income tax, although the interest may be subject to the federal alternative minimum tax. Municipal securities issued by Puerto Rico involve specific risks. See “Risks—Portfolio Level Risks—Puerto Rico Municipal Securities Market Risk” below.

The Fund may invest in taxable debt obligations, including taxable municipal securities. The Fund also may invest in AMT Bonds, which may trigger adverse tax consequences for Fund shareholders who are subject to the federal alternative minimum tax. If you are, or as a result of investment in the Fund would become, subject to the federal alternative minimum tax, the Fund may not be a suitable investment for you. In addition, distributions of taxable ordinary income (including any net short-term capital gain) will be taxable to shareholders as ordinary income (and not eligible for favorable taxation as “qualified dividend income”), and capital gain dividends will be taxable as long-term capital gains. Interest income on municipal securities also may be subject to state and local income taxes. The Fund may not be a suitable investment for individual retirement accounts, for other tax exempt or tax-deferred accounts, or for investors who are not sensitive to the federal income tax consequences of their investments. See “Risks—Portfolio Level Risks—Tax Risk” and “Tax Matters.”

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The Fund may invest in “tobacco settlement bonds.” Tobacco settlement bonds are municipal securities that are secured or payable solely from the collateralization of the proceeds from class action or other litigation against the tobacco industry. Investments in tobacco settlement bonds are subject to risks. See “Risks—Portfolio Level Risks—Tobacco Settlement Bond Risk” below.

The yields on municipal securities depend on a variety of factors, including prevailing interest rates and the condition of the general money market and the municipal bond market, the size of a particular offering, the maturity of the obligation and the rating of the issue. The market value of municipal securities will vary with changes in interest rate levels and as a result of changing evaluations of the ability of their issuers to meet interest and principal payments.

A municipal security’s market value generally will depend upon its form, maturity, call features, and interest rate, as well as the credit quality of the issuer, all such factors examined in the context of the municipal securities market and interest rate levels and trends.

Municipal Leases and Certificates of Participation.    The Fund also may purchase municipal securities that represent lease obligations and certificates of participation in such leases. These carry special risks because the issuer of the securities may not be obligated to appropriate money annually to make payments under the lease. A municipal lease is an obligation in the form of a lease or installment purchase which is issued by a state or local government to acquire equipment and facilities. Income from such obligations is generally exempt from state and local taxes in the state of issuance. Leases and installment purchase or conditional sale contracts (which normally provide for title to the leased asset to pass eventually to the governmental issuer) have evolved as a means for governmental issuers to acquire property and equipment without meeting the constitutional and statutory requirements for the issuance of debt. The debt issuance limitations are deemed to be inapplicable because of the inclusion in many leases or contracts of “non-appropriation” clauses that relieve the governmental issuer of any obligation to make future payments under the lease or contract unless money is appropriated for such purpose by the appropriate legislative body on a yearly or other periodic basis. In addition, such leases or contracts may be subject to the temporary abatement of payments in the event the issuer is prevented from maintaining occupancy of the leased premises or utilizing the leased equipment or facilities. Although the obligations may be secured by the leased equipment or facilities, the disposition of the property in the event of non-appropriation or foreclosure might prove difficult, time consuming and costly, and result in a delay in recovering, or the failure to recover fully, the Fund’s original investment. To the extent that the Fund invests in unrated municipal leases or participates in such leases, the credit quality rating and risk of cancellation of such unrated leases will be monitored on an ongoing basis. In order to reduce this risk, the Fund will only purchase municipal securities representing lease obligations where Nuveen Asset Management believes the issuer has a strong incentive to continue making appropriations until maturity.

A certificate of participation represents an undivided interest in an unmanaged pool of municipal leases, an installment purchase agreement or other instruments. The certificates are typically issued by a municipal agency, a trust or other entity that has received an assignment of the payments to be made by the state or political subdivision under such leases or installment purchase agreements. Such certificates provide the Fund with the right to a pro rata undivided interest in the underlying municipal securities. In addition, such participations generally provide the Fund with the right to demand payment, on not more than seven days’ notice, of all or any part of the Fund’s participation interest in the underlying municipal securities, plus accrued interest.

Municipal Notes.    Municipal securities in the form of notes generally are used to provide for short-term capital needs, in anticipation of an issuer’s receipt of other revenues or financing, and typically have maturities of up to three years. Such instruments may include tax anticipation notes, revenue anticipation notes, bond anticipation notes, tax and revenue anticipation notes and construction loan notes. Tax anticipation notes are issued to finance the working capital needs of governments. Generally, they are issued in anticipation of various tax revenues, such as income, sales, property, use and business taxes, and are payable from these specific future taxes. Revenue anticipation notes are issued in expectation of receipt of other kinds of revenue, such as federal revenues available under federal revenue sharing programs. Bond anticipation notes are issued to provide interim financing until

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long-term bond financing can be arranged. In most cases, the long-term bonds then provide the funds needed for repayment of the bond anticipation notes. Tax and revenue anticipation notes combine the funding sources of both tax anticipation notes and revenue anticipation notes. Construction loan notes are sold to provide construction financing. Mortgage notes insured by the Federal Housing Authority secure these notes; however, the proceeds from the insurance may be less than the economic equivalent of the payment of principal and interest on the mortgage note if there has been a default. The anticipated revenues from taxes, grants or bond financing generally secure the obligations of an issuer of municipal notes. An investment in such instruments, however, presents a risk that the anticipated revenues will not be received or that such revenues will be insufficient to satisfy the issuer’s payment obligations under the notes or that refinancing will be otherwise unavailable.

Pre-Refunded Municipal Securities.    The principal of and interest on pre-refunded municipal securities are no longer paid from the original revenue source for the securities. Instead, the source of such payments is typically an escrow fund consisting of U.S. government securities. The assets in the escrow fund are derived from the proceeds of refunding bonds issued by the same issuer as the pre-refunded municipal securities. Issuers of municipal securities use this advance refunding technique to obtain more favorable terms with respect to securities that are not yet subject to call or redemption by the issuer. For example, advance refunding enables an issuer to refinance debt at lower market interest rates, restructure debt to improve cash flow or eliminate restrictive covenants in the indenture or other governing instrument for the pre-refunded municipal securities. However, except for a change in the revenue source from which principal and interest payments are made, the pre-refunded municipal securities remain outstanding on their original terms until they mature or are redeemed by the issuer. Interest paid on a municipal bond issued after December 31, 2017 to advance refund another municipal bond is subject to federal income tax.

Private Activity Bonds.    Private activity bonds, formerly referred to as industrial development bonds, are issued by or on behalf of public authorities to obtain funds to provide privately operated housing facilities, airport, mass transit or port facilities, sewage disposal, solid waste disposal or hazardous waste treatment or disposal facilities and certain local facilities for water supply, gas or electricity. Other types of private activity bonds, the proceeds of which are used for the construction, equipment, repair or improvement of privately operated industrial or commercial facilities, may constitute municipal securities, although the current federal tax laws place substantial limitations on the size of such issues. Under current law, a significant portion of the private activity bond market is comprised of AMT Bonds. “AMT Bonds” are municipal securities that pay interest that is taxable under the federal alternative minimum tax applicable to noncorporate taxpayers. The Fund’s distributions of its interest income from private activity bonds may subject certain investors to the federal alternative minimum tax. See “Tax Matters.”

Inverse Floating Rate Securities.     Inverse floating rate securities (sometimes referred to as “inverse floaters”) are securities whose interest rates bear an inverse relationship to the interest rate on another security or the value of an index. Generally, inverse floating rate securities represent beneficial interests in a special purpose trust formed for the purpose of holding municipal bonds. The special purpose trust typically sells two classes of beneficial interests or securities: floating rate securities (sometimes referred to as short-term floaters or tender option bonds) and inverse floating rate securities (sometimes referred to as inverse floaters or residual interest securities). Both classes of beneficial interests are represented by certificates. The short-term floating rate securities have first priority on the cash flow from the municipal bonds held by the special purpose trust. Typically, a third party, such as a bank, broker-dealer or other financial institution, grants the floating rate security holders the option, at periodic intervals, to tender their securities to the institution and receive the face value thereof. As consideration for providing the option, the financial institution receives periodic fees. The holder of the short-term floater effectively holds a demand obligation that bears interest at the prevailing short-term, tax-exempt rate. However, the institution granting the tender option will not be obligated to accept tendered short-term floaters in the event of certain defaults or a significant downgrade in the credit rating assigned to the bond issuer. For its inverse floating rate investment, the Fund receives the residual cash flow from the special purpose trust. Because the holder of the short-term floater is generally assured liquidity at the face value of the security, the Fund as the holder of the inverse floater assumes the interest rate cash flow risk and the market

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value risk associated with the municipal security deposited into the special purpose trust. The volatility of the interest cash flow and the residual market value will vary with the degree to which the trust is leveraged. This is expressed in the ratio of the total face value of the short-term floaters in relation to the value of the residual inverse floaters that are issued by the special purpose trust. In addition, all voting rights and decisions to be made with respect to any other rights relating to the municipal bonds held in the special purpose trust are passed through to the Fund, as the holder of the residual inverse floating rate securities.

Because increases in the interest rate on the short-term floaters reduce the residual interest paid on inverse floaters, and because fluctuations in the value of the municipal bond deposited in the special purpose trust affect the value of the inverse floater only, and not the value of the short-term floater issued by the trust, and because fluctuations in the value of the municipal bond deposited in the special purpose trust affect the value of the inverse floater only, and not the value of the short-term floater issued by the trust, inverse floaters’ value is generally more volatile than that of fixed rate bonds. The market price of inverse floating rate securities is generally more volatile than the underlying securities due to the leveraging effect of this ownership structure. These securities generally will underperform the market of fixed rate bonds in a rising interest rate environment (i.e., when bond values are falling), but tend to outperform the market of fixed rate bonds when interest rates decline or remain relatively stable. Although volatile, inverse floaters typically offer the potential for yields exceeding the yields available on fixed rate bonds with comparable credit quality, coupon, call provisions and maturity. Inverse floaters have varying degrees of liquidity based upon, among other things, the liquidity of the underlying securities deposited in a special purpose trust.

The Fund may invest in inverse floating rate securities issued by special purpose trusts that have recourse to the Fund. In Nuveen Fund Advisors’ and Nuveen Asset Management’s discretion, the Fund may enter into a separate shortfall and forbearance agreement with the liquidity provider to a special purpose trust. The Fund may enter into such recourse agreements (i) when the liquidity provider to the special purpose trust requires such an agreement because the level of leverage in the trust exceeds the level that the liquidity provider is willing to support absent such an agreement; and/or (ii) to seek to prevent the liquidity provider from collapsing the trust in the event that the municipal obligation held in the trust has declined in value. Such an agreement would require the Fund to reimburse the third party granting liquidity to the floating rate security holders of the special purpose trust, upon termination of the trust issuing the inverse floater, the difference between the liquidation value of the bonds held in the trust and the principal amount due to the holders of floating rate interests. Such agreements may expose the Fund to a risk of loss that exceeds its investment in the inverse floating rate securities. Absent a shortfall and forbearance agreement, the Fund would not be required to make such a reimbursement. If the Fund chooses not to enter into such an agreement, the special purpose trust could be liquidated and the Fund could incur a loss.

The Fund may invest in both inverse floating rate securities and floating rate securities (as discussed below) issued by the same special purpose trust.

The Fund will segregate or earmark liquid assets with its custodian in accordance with the 1940 Act to cover its obligations with respect to its investments in special purpose trusts.

Investments in inverse floating rate securities create leverage. The use of leverage creates special risks for Common Shareholders. See “Risks—Portfolio Level Risks—Inverse Floating Rate Securities Risk.”

Floating Rate Securities.    The Fund may also invest in floating rate securities issued by special purpose trusts. Floating rate securities may take the form of short-term floating rate securities or the option period may be substantially longer. Generally, the interest rate earned will be based upon the market rates for municipal securities with maturities or remarketing provisions that are comparable in duration to the periodic interval of the tender option, which may vary from weekly, to monthly, to extended periods of one year or multiple years. Since the option feature has a shorter term than the final maturity or first call date of the underlying bond deposited in the trust, the Fund as the holder of the floating rate security relies upon the terms of the agreement with the financial institution furnishing the option as well as the credit strength of that institution. As further assurance of

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liquidity, the terms of the trust provide for a liquidation of the municipal security deposited in the trust and the application of the proceeds to pay off the floating rate security. The trusts that are organized to issue both short-term floating rate securities and inverse floaters generally include liquidation triggers to protect the investor in the floating rate security.

Special Taxing Districts.    Special taxing districts are organized to plan and finance infrastructure developments to induce residential, commercial and industrial growth and redevelopment. The bond financing methods such as tax increment finance, tax assessment, special services district and Mello-Roos bonds, are generally payable solely from taxes or other revenues attributable to the specific projects financed by the bonds without recourse to the credit or taxing power of related or overlapping municipalities. They often are exposed to real estate development-related risks and can have more taxpayer concentration risk than general tax-supported bonds, such as general obligation bonds. Further, the fees, special taxes, or tax allocations and other revenues that are established to secure such financings are generally limited as to the rate or amount that may be levied or assessed and are not subject to increase pursuant to rate covenants or municipal or corporate guarantees. The bonds could default if development failed to progress as anticipated or if larger taxpayers failed to pay the assessments, fees and taxes as provided in the financing plans of the districts.

When-Issued and Delayed Delivery Transactions.    The Fund may buy and sell municipal securities on a when-issued or delayed delivery basis, making payment or taking delivery at a later date, normally within 15 to 45 days of the trade date. This type of transaction may involve an element of risk because no interest accrues on the bonds prior to settlement and, because bonds are subject to market fluctuations, the value of the bonds at time of delivery may be less (or more) than cost. A separate account of the Fund will be established with its custodian consisting of cash, cash equivalents, or liquid securities having a market value at all times at least equal to the amount of the commitment.

Zero Coupon Bonds

A zero coupon bond is a bond that typically does not pay interest either for the entire life of the obligation or for an initial period after the issuance of the obligation. When held to its maturity, the holder receives the par value of the zero coupon bond, which generates a return equal to the difference between the purchase price and its maturity value. A zero coupon bond is normally issued and traded at a deep discount from face value. This original issue discount (“OID”) approximates the total amount of interest the security will accrue and compound prior to its maturity and reflects the payment deferral and credit risk associated with the instrument. Because zero coupon securities and other OID instruments do not pay cash interest at regular intervals, the instruments’ ongoing accruals require ongoing judgments concerning the collectability of deferred payments and the value of any associated collateral. As a result, these securities may be subject to greater value fluctuations and less liquidity in the event of adverse market conditions than comparably rated securities that pay cash on a current basis. Because zero coupon bonds, and OID instruments generally, allow an issuer to avoid or delay the need to generate cash to meet current interest payments, they may involve greater payment deferral and credit risk than coupon loans and bonds that pay interest currently or in cash. The Fund generally will be required to distribute dividends to shareholders representing the income of these instruments as it accrues, even though the Fund will not receive all of the income on a current basis or in cash. Thus, the Fund may have to sell other investments, including when it may not be advisable to do so, and use the cash proceeds to make income distributions to its shareholders. For accounting purposes, these cash distributions to shareholders will not be treated as a return of capital.

Further, Nuveen Fund Advisors collects management fees on the value of a zero coupon bond or OID instrument attributable to the ongoing non-cash accrual of interest over the life of the bond or other instrument. As a result, Nuveen Fund Advisors receives non-refundable cash payments based on such non-cash accruals while the Fund and Common Shareholders incur the risk that such non-cash accruals ultimately may not be realized.

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Structured Notes

The Fund may utilize structured notes and similar instruments for investment purposes and also for hedging purposes. Structured notes are privately negotiated debt obligations where the principal and/or interest is determined by reference to the performance of a benchmark asset, market or interest rate (an “embedded index”), such as selected securities, an index of securities or specified interest rates, or the differential performance of two assets or markets. The terms of such structured instruments normally provide that their principal and/or interest payments are to be adjusted upwards or downwards (but not ordinarily below zero) to reflect changes in the embedded index while the structured instruments are outstanding. As a result, the interest and/or principal payments that may be made on a structured product may vary widely, depending upon a variety of factors, including the volatility of the embedded index and the effect of changes in the embedded index on principal and/or interest payments. The rate of return on structured notes may be determined by applying a multiplier to the performance or differential performance of the referenced index or indices or other assets. Application of a multiplier involves leverage that will serve to magnify the potential for gain and the risk of loss. These types of investments may generate taxable income.

Derivatives

The Fund may use certain derivative instruments in pursuit of its investment objective. Such instruments include financial futures contracts, swap contracts (including interest rate, total return and credit default swaps), options on financial futures, options on swap contracts or other derivative instruments. The credit default swaps in which the Fund may invest include those in which the underlying reference instrument is the debt obligation of a single reference issuer (“single-name CDS”). Unlike other types of credit default swaps, single-name CDS do not have the benefit of diversification across many issuers. Credit default swaps may require initial premium (discount) payments as well as periodic payments (receipts) related to the interest leg of the swap or to the default of a reference obligation. If the Fund is a seller of a contract, the Fund would be required to pay the par (or other agreed upon) value of a referenced debt obligation to the counterparty in the event of a default or other credit event by the reference issuer, such as a U.S. or foreign corporate issuer, with respect to such debt obligations. In return, the Fund would receive from the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the Fund would keep the stream of payments and would have no payment obligations. As the seller, the Fund would be subject to investment exposure on the notional amount of the swap. If the Fund is a buyer of a contract, the Fund would have the right to deliver a referenced debt obligation and receive the par (or other agreed-upon) value of such debt obligation from the counterparty in the event of a default or other credit event (such as a credit downgrade) by the reference issuer, such as a U.S. or foreign corporation, with respect to its debt obligations. In return, the Fund would pay the counterparty a periodic stream of payments over the term of the contract provided that no event of default has occurred. If no default occurs, the counterparty would keep the stream of payments and would have no further obligations to the Fund. Interest rate swaps involve the exchange by the Fund with a counterparty of their respective commitments to pay or receive interest, such as an exchange of fixed-rate payments for floating rate payments. The Fund will usually enter into interest rate swaps on a net basis; that is, the two payment streams will be netted out in a cash settlement on the payment date or dates specified in the instrument, with the Fund receiving or paying, as the case may be, only the net amount of the two payments. See “Portfolio Composition and Other Information—Hedging Strategies and Other Uses of Derivatives” in the SAI and “Asset Segregation” below.

The requirements for qualification as a regulated investment company (“RIC”) may also limit the extent to which the Fund may invest in futures, options on futures and swaps. See “Tax Matters.”

Nuveen Fund Advisors and Nuveen Asset Management may use derivative instruments to seek to enhance return, to attempt to hedge some of the risk of the Fund’s investments in municipal securities, to attempt to manage the effective maturity or duration of securities in the Fund’s portfolio or as a substitute for a position in the underlying asset. These types of strategies may generate taxable income. The Fund will value derivative

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instruments at market/fair value for purposes of calculating compliance with the Fund’s 80% investment policy in municipal securities the income from which is exempt from regular federal income tax.

There is no assurance that these derivative strategies will be available at any time or that, if used, that the strategies will be successful.

Swap Transactions.    The Fund may enter into total return, interest rate and credit default swap agreements and interest rate caps, floors and collars. The Fund may also enter into options on the foregoing types of swap agreements (“swap options”).

The Fund may enter into swap transactions for any purpose consistent with its investment objective and strategies, such as for the purpose of attempting to obtain or preserve a particular return or spread at a lower cost than obtaining a return or spread through purchases and/or sales of instruments in other markets, as a duration management technique, to attempt to reduce risk arising from the ownership of a particular instrument, or to gain exposure to certain sectors or markets in the most economical way possible.

Swap agreements are two party contracts entered into primarily by institutional investors for a specified period of time. In a standard swap transaction, two parties agree to exchange the returns (or differentials in rates of return) earned or realized on a particular predetermined asset, reference rate or index. The gross returns to be exchanged or swapped between the parties are generally calculated with respect to a notional amount, e.g., the return on or increase in value of a particular dollar amount invested at a particular interest rate or in a basket of securities representing a particular index. The notional amount of the swap agreement generally is only used as a basis upon which to calculate the obligations that the parties to the swap agreement have agreed to exchange.

Interest Rate Swaps, Caps, Collars and Floors.    Interest rate swaps are bilateral contracts in which each party agrees to make periodic payments to the other party based on different referenced interest rates (e.g., a fixed rate and a floating rate) applied to a specified notional amount. The purchase of an interest rate floor entitles the purchaser, to the extent that a specified index falls below a predetermined interest rate, to receive payments of interest on a notional principal amount from the party selling such interest rate floor. The purchase of an interest rate cap entitles the purchaser, to the extent that a specified index rises above a predetermined interest rate, to receive payments of interest on a notional principal amount from the party selling such interest rate cap. Interest rate collars involve selling a cap and purchasing a floor or vice versa to protect the Fund against interest rate movements exceeding given minimum or maximum levels.

The use of interest rate transactions, such as interest rate swaps and caps, is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio security transactions. Depending on the state of interest rates in general, the Fund’s use of interest rate swaps or caps could enhance or harm the overall performance of the Fund’s common shares. To the extent there is a decline in interest rates, the value of the interest rate swap or cap could decline, and could result in a decline in the NAV of the common shares. In addition, if short-term interest rates are lower than the Fund’s fixed rate of payment on the interest rate swap, the swap will reduce common share net earnings. If, on the other hand, short-term interest rates are higher than the fixed rate of payment on the interest rate swap, the swap will enhance common share net earnings. Buying interest rate caps could enhance the performance of the common shares by providing a maximum leverage expense. Buying interest rate caps could also decrease the net earnings of the common shares in the event that the premium paid by the Fund to the counterparty exceeds the additional amount such Fund would have been required to pay had it not entered into the cap agreement.

Total Return Swaps.    In a total return swap, one party agrees to pay the other the “total return” of a defined underlying asset during a specified period, in return for periodic payments based on a fixed or variable interest rate or the total return from other underlying assets. A total return swap may be applied to any underlying asset but is most commonly used with equity indices, single stocks, bonds and defined baskets of loans and mortgages. The Fund might enter into a total return swap involving an underlying index or basket of securities to create

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exposure to a potentially widely diversified range of securities in a single trade. An index total return swap can be used by the portfolio managers to assume risk, without the complications of buying the component securities from what may not always be the most liquid of markets. In connection with the Fund’s position in a swap contract, the Fund will segregate liquid assets or will otherwise cover its position in accordance with applicable Securities and Exchange Commission (“SEC”) requirements. See “—Asset Segregation” below.

Credit Default Swaps.    A credit default swap is a bilateral contract that enables an investor to buy or sell protection against a defined-issuer credit event. The Fund may enter into credit default swap agreements either as a buyer or a seller. The Fund may buy protection to attempt to mitigate the risk of default or credit quality deterioration in an individual security or a segment of the fixed income securities market to which it has exposure, or to take a “short” position in individual bonds or market segments which it does not own. The Fund may sell protection in an attempt to gain exposure to the credit quality characteristics of particular bonds or market segments without investing directly in those bonds or market segments. As the buyer of protection in a credit default swap, the Fund would pay a premium (by means of an upfront payment or a periodic stream of payments over the term of the agreement) in return for the right to deliver a referenced bond or group of bonds to the protection seller and receive the full notional or par value (or other agreed upon value) upon a default (or similar event) by the issuer(s) of the underlying referenced obligation(s). If no default occurs, the protection seller would keep the stream of payments and would have no further obligation to the Fund. Thus, the cost to the Fund would be the premium paid with respect to the agreement. If a credit event occurs, however, the Fund may elect to receive the full notional value of the swap in exchange for an equal face amount of deliverable obligations of the reference entity that may have little or no value. The Fund bears the risk that the protection seller may fail to satisfy its payment obligations. If the Fund sells or writes credit default swaps, the Fund will segregate the full notional amount of the payment obligation under the credit default swap that must be paid upon the occurrence of a credit event. See “—Asset Segregation” below.

If the Fund is a seller of protection in a credit default swap and no credit event occurs, the Fund would generally receive an up-front payment or a periodic stream of payments over the term of the swap. If a credit event occurs, however, generally the Fund would have to pay the buyer the full notional value of the swap in exchange for an equal face amount of deliverable obligations of the reference entity that may have little or no value. As the protection seller, the Fund effectively adds the economic effect of leverage to its portfolio because, in addition to being subject to investment exposure on its total net assets, the Fund is subject to investment exposure on the notional amount of the swap. Thus, the Fund bears the same risk as it would by buying the reference obligation(s) directly, plus the additional risks related to obtaining investment exposure through a derivative instrument discussed below under “—Risks Associated with Swap Transactions.”

Swap Options.    A swap option is a contract that gives a counterparty the right (but not the obligation), in return for payment of a premium, to enter into a new swap agreement or to shorten, extend, cancel, or otherwise modify an existing swap agreement at some designated future time on specified terms. A cash-settled option on a swap gives the purchaser the right, in return for the premium paid, to receive an amount of cash equal to the value of the underlying swap as of the exercise date. The Fund may write (sell) and purchase put and call swap options. Depending on the terms of the particular option agreement, the Fund generally would incur a greater degree of risk when it writes a swap option than when it purchases a swap option. When the Fund purchases a swap option, it risks losing only the amount of the premium it has paid should it decide to let the option expire unexercised. However, when the Fund writes a swap option, upon exercise of the option the Fund would become obligated according to the terms of the underlying agreement.

Risks Associated with Swap Transactions.    The use of swap transactions is a highly specialized activity which involves strategies and risks different from those associated with ordinary portfolio security transactions. See “Risks—Portfolio Level Risks—Risk of Swaps and Swap Options.”

Futures and Options on Futures Generally.    A futures contract is an agreement between two parties to buy and sell a security, index or interest rate (each a “financial instrument”) for a set price on a future date. Certain

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futures contracts, such as futures contracts relating to individual securities, call for making or taking delivery of the underlying financial instrument. However, these contracts generally are closed out before delivery by entering into an offsetting purchase or sale of a matching futures contract (same exchange, underlying financial instrument, and delivery month). Other futures contracts, such as futures contracts on interest rates and indices, do not call for making or taking delivery of the underlying financial instrument, but rather are agreements pursuant to which two parties agree to take or make delivery of an amount of cash equal to the difference between the value of the financial instrument at the close of the last trading day of the contract and the price at which the contract was originally written. These contracts also may be settled by entering into an offsetting futures contract.

Unlike when the Fund purchases or sells a security, no price is paid or received by the Fund upon the purchase or sale of a futures contract. Initially, the Fund will be required to deposit with the futures broker, known as a futures commission merchant (“FCM”), an amount of cash or securities equal to a varying specified percentage of the contract amount. This amount is known as initial margin. The margin deposit is intended to ensure completion of the contract. Minimum initial margin requirements are established by the futures exchanges and may be revised. In addition, FCMs may establish margin deposit requirements that are higher than the exchange minimums. Cash held in the margin account generally is not income producing. However, couponbearing securities, such as Treasury securities, held in margin accounts generally will earn income.

Subsequent payments to and from the FCM, called variation margin, will be made on a daily basis as the price of the underlying financial instrument fluctuates, making the futures contract more or less valuable, a process known as marking the contract to market. Changes in variation margin are recorded by the Fund as unrealized gains or losses. At any time prior to expiration of the futures contract, the Fund may elect to close the position by taking an opposite position that will operate to terminate its position in the futures contract. A final determination of variation margin is then made, additional cash is required to be paid by or released to the Fund, and the Fund realizes a gain or loss. In the event of the bankruptcy or insolvency of an FCM that holds margin on behalf of the Fund, the Fund may be entitled to the return of margin owed to it only in proportion to the amount received by the FCM’s other customers, potentially resulting in losses to the Fund. Futures transactions also involve brokerage costs and the Fund may have to segregate additional liquid assets in accordance with applicable SEC requirements. See “—Asset Segregation” below.

A futures option gives the purchaser of such option the right, in return for the premium paid, to assume a long position (call) or short position (put) in a futures contract at a specified exercise price at any time during the period of the option. Upon exercise of a call option, the purchaser acquires a long position in the futures contract and the writer is assigned the opposite short position. Upon the exercise of a put option, the opposite is true.

Asset Segregation

As a closed-end investment company registered with the SEC, the Fund is subject to the federal securities laws, including the 1940 Act, the rules thereunder, and various interpretive positions of the SEC and its staff. In accordance with these laws, rules and positions, the Fund must maintain liquid assets (often referred to as “asset segregation”), or engage in other SEC staff-approved measures, to “cover” open positions with respect to certain kinds of derivative instruments and financial agreements (such as reverse repurchase agreements).

Generally, the Fund will maintain an amount of liquid assets with its custodian in an amount at least equal to the current amount of its obligations under derivative instruments and financial agreements, in accordance with SEC guidance. However, the Fund also may “cover” certain obligations by other means such as through ownership of the underlying security or financial instrument. The Fund also may enter into offsetting transactions with respect to certain instruments consistent with existing SEC staff guidance so that its combined position, coupled with any liquid assets maintained by its custodian, equals its net outstanding obligation in related derivatives or financial agreements.

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The Fund reserves the right to modify its policies in the future to comply with any changes in the positions from time to time articulated by the SEC or its staff, such as the SEC’s proposed rules governing the use of derivatives by registered investment companies, regarding asset segregation.

Temporary Defensive Investments

During temporary defensive periods, the period in which the net proceeds of this offering of Common Shares are first being invested (the “invest-up period”), the “wind-up” period during which the Fund is transitioning its portfolio as the Termination Date approaches or the period in which the Fund’s assets are being liquidated in anticipation of the Fund’s termination, the Fund may deviate from its investment policies and objective. During such periods, the Fund may invest up to 100% of its Managed Assets in short-term investments, including high quality, short-term securities or may invest in short-, intermediate-, or long-term U.S. Treasury securities. During the invest-up period, the Fund may also purchase securities issued by ETFs that invest primarily in municipal securities of the types in which the Fund may invest directly. Any such investments in ETFs will be in compliance with the limitations imposed by the 1940 Act or pursuant to any exemptive relief obtained thereunder. There can be no assurance that such techniques will be successful. Accordingly, during such periods, the Fund may not achieve its investment objective.

Initial Portfolio Composition

Based on current market conditions, the Fund anticipates that immediately after the initial investment of the proceeds from this offering of Common Shares and proceeds from the initial leveraging of the Fund (generally expected to be completed within three to six months after the completion of this offering), its portfolio (the “initial portfolio”), as a percentage of Managed Assets, will be composed of municipal securities and other related investments, the income from which is exempt from regular federal income tax. The Fund anticipates that its initial portfolio will not have more than 50% of its Managed Assets in below investment grade municipal securities. Additionally, the Fund anticipates that its initial portfolio will not have more than 10% of its Managed Assets in either securities rated CCC+/Caa1 or lower, or unrated but judged by Nuveen Asset Management to be of comparable quality, or more than 20% of its Managed Assets in AMT Bonds. Anticipated initial portfolio characteristics are based on current market conditions and the expectations of the portfolio team. Current market conditions may change and the Fund may not be able to invest its initial portfolio as planned. Immediately after the initial invest-up, the Fund’s portfolio allocations may vary over time consistent with the Fund’s investment policies described in this prospectus.

Portfolio Turnover

It is not the Fund’s policy to engage in transactions with the objective of seeking profits from short-term trading. However, the Fund may engage in active and frequent trading when Nuveen Fund Advisors or Nuveen Asset Management believes such trading is, in light of prevailing economic and market circumstances, in the best interests of the Fund’s shareholders. Although the Fund cannot predict its annual portfolio turnover rate, it is generally not expected to exceed 75% under normal circumstances. Frequent trading also increases transaction costs, which could detract from the Fund’s performance, and may result in the realization of net short-term capital gains by the Fund which, when distributed to Common Shareholders, will be treated as taxable ordinary income. See “Tax Matters.”

LEVERAGE

The Fund anticipates using leverage to pursue its investment objective. The Fund may use leverage to the extent permitted under the 1940 Act. The Fund may source leverage initially and throughout the life of the Fund through a number of methods including through borrowings, issuing Preferred Shares, the issuance of debt securities, entering into reverse repurchase agreements (effectively a borrowing), and investing in residual

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interest certificates of tender option bond trusts, also called inverse floating rate securities, that have the economic effect of leverage because the Fund’s investment exposure to the underlying bonds held by the trust have been effectively financed by the trust’s issuance of floating rate certificates. In addition, the Fund may use derivatives that may have the economic effect of leverage. The sources of leverage will vary depending on market conditions. See “Leverage,” “ Risks—Portfolio Level Risks—Inverse Floating Rate Securities Risk,” and “Portfolio Composition and Other Information—Derivatives.” The Fund anticipates using such leverage in an aggregate amount equal to approximately 32% of the Fund’s Managed Assets, if current market conditions persist.

The Fund may issue “senior securities” as defined under the 1940 Act. “Senior securities” include (i) the issuance of Preferred Shares; (ii) borrowings (including loans from financial institutions); and (iii) the issuance of debt securities. “Senior securities” have seniority over the Common Shares in regard to the income and assets of the Fund.

Reverse repurchase agreements involve the sale of securities held by the Fund with an agreement to repurchase the securities at an agreed-upon price, date and interest payment. Selling a portfolio security and agreeing to buy it back under a reverse repurchase agreement is economically equivalent to borrowing. See “Risks—Portfolio Level Risks—Reverse Repurchase Agreement Risk.”

The Fund may use derivatives, such as interest rate swaps with varying terms, in order to hedge duration risk or manage the interest rate expense associated with all or a portion of its leverage. Interest rate swaps are bi-lateral agreements whereby parties agree to exchange future payments, typically based upon the differential of a fixed rate and a variable rate, on a specified notional amount. Interest rate swaps can enable the Fund to effectively convert its variable leverage expense to fixed, or vice-versa. For example, if the Fund issues leverage having a short-term floating rate of interest, the Fund could use interest rate swaps to hedge against a rise in the short-term benchmark interest rates associated with its outstanding leverage. In doing so, the Fund would seek to achieve lower leverage costs, and thereby enhance Common Share distributions, over an extended period, which would be the result if short-term market interest rates on average exceed the fixed interest rate over the term of the swap. To the extent the fixed swap rate is greater than short-term market interest rates on average over the period, overall costs associated with leverage will be greater (and thereby reduce distributions to Common Shareholders) than if the Fund had not entered into the interest rate swap(s). See “Portfolio Composition and Other Information—Derivatives.”

The Fund also may borrow for temporary purposes as permitted by the 1940 Act.

In pursuit of its investment objective, the Fund has the ability to actively and dynamically reduce or increase the amount and type of leverage based upon changes in market conditions, composition of the Fund’s holdings and remaining time until the Fund’s Termination Date. The Fund’s leverage ratio will vary from time to time based upon such changes in the amount of leverage used and variations in the value of the Fund’s holdings. So long as the net income received from the Fund’s investments purchased with leverage proceeds exceeds the then current expense of any leverage, the investment of the proceeds of leverage will generate more net income than if the Fund had not leveraged itself. Under these circumstances, the excess net income will be available to pay higher distributions to Common Shareholders. However, if the net income received from the Fund’s portfolio investments purchased with the proceeds of leverage is less than the current expense of any leverage, the Fund may be required to utilize other Fund assets to make interest or dividend payments on its leveraging instruments which may result in a decline in Common Share NAV and reduced net investment income available for distribution to Common Shareholders.

The Fund pays a management fee to Nuveen Fund Advisors (which in turn pays a portion of such fee to Nuveen Asset Management) based on a percentage of Managed Assets. Managed Assets include the proceeds realized and managed from the Fund’s use of most types of leverage (excluding the leverage exposure attributable to the use of futures, swaps and similar derivatives). Because Managed Assets include the Fund’s net

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assets as well as assets that are attributable to the Fund’s investment of the proceeds of its leverage, it is anticipated that the Fund’s Managed Assets will be greater than its net assets. Nuveen Fund Advisors and Nuveen Asset Management will be responsible for using leverage to pursue the Fund’s investment objective. Nuveen Fund Advisors and Nuveen Asset Management will base their decision regarding whether and how much leverage to use for the Fund, and the terms of that leverage, on their assessment of whether such use of leverage is in the best interests of the Fund. However, a decision to employ or increase leverage will have the effect, all other things being equal, of increasing Managed Assets and in turn Nuveen Fund Advisors’ and Nuveen Asset Management’s management fees. Thus, Nuveen Fund Advisors and Nuveen Asset Management may have a conflict of interest in determining whether to use or increase leverage. Nuveen Fund Advisors and Nuveen Asset Management will seek to manage that potential conflict by using leverage only when they determine that it would be in the best interests of the Fund and its Common Shareholders, and by periodically reviewing with the Board of Trustees the Fund’s performance and the Fund’s degree of overall use of leverage and the impact of the use of leverage on that performance.

The 1940 Act generally defines a “senior security” as any bond, debenture, note, or similar obligation or instrument constituting a security and evidencing indebtedness, and any stock of a class having priority over any other class as to distribution of assets or payment of dividends; however, the term does not include any promissory note or other evidence of indebtedness issued in consideration of any loan, extension, or renewal thereof, made for temporary purposes and in an amount not exceeding five percent of the value of the Fund’s total assets. A loan shall be presumed to be for temporary purposes if it is repaid within 60 days and is not extended or renewed.

Under the 1940 Act, the Fund is not permitted to issue “senior securities” that are Preferred Shares if, immediately after the issuance of Preferred Shares, the asset coverage ratio with respect to such Preferred Shares would be less than 200%. With respect to any such Preferred Shares, asset coverage means the ratio which the value of the total assets of the Fund, less all liabilities and indebtedness not represented by senior securities, bears to the aggregate amount of senior securities representing indebtedness of the Fund plus the aggregate liquidation preference of such Preferred Shares.

Under the 1940 Act, the Fund is not permitted to issue “senior securities representing indebtedness” if, immediately after the issuance of such senior securities representing indebtedness, the asset coverage ratio with respect to such senior securities would be less than 300%. “Senior securities representing indebtedness” include borrowings (including loans from financial institutions) and debt securities. “Senior securities representing indebtedness” also include other derivative investments or transactions, such as reverse repurchase agreements, to the extent the Fund has not fully covered, segregated or earmarked cash or liquid assets in accordance with the 1940 Act, the rules thereunder, and applicable positions of the SEC and its staff. With respect to any such senior securities representing debt, asset coverage means the ratio which the value of the total assets of the Fund, less all liabilities and indebtedness not represented by senior securities (as defined in the 1940 Act), bears to the aggregate amount of such borrowing represented by senior securities issued by the Fund.

If the Fund issues senior securities and the asset coverage with respect to such senior securities declines below the required ratios discussed above (as a result of market fluctuations or otherwise), the Fund may sell portfolio securities when it may be disadvantageous to do so.

Certain types of leverage used by the Fund may result in the Fund being subject to certain covenants, asset coverage or other portfolio composition limits by its lenders, debt or preferred securities purchasers, rating agencies that may rate the debt or preferred securities, or reverse repurchase counterparties. Such limitations may be more stringent than those imposed by the 1940 Act and may impact whether the Fund is able to maintain its desired amount of leverage. At this time Nuveen Fund Advisors does not believe that any such potential investment limitations will impede it from managing the Fund’s portfolio in accordance with its investment objective and policies.

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Utilization of leverage is a speculative investment technique and involves certain risks to the Common Shareholders, including increased variability of the Fund’s net income, distributions and NAV in relation to market changes. See “Risks—Fund Level Risks—Leverage Risk.” There is no assurance that the Fund will use leverage or that the Fund’s use of leverage will work as planned or achieve its goals.

Effects of Leverage

Assuming the utilization of leverage in an aggregate amount of approximately 32% of the Fund’s Managed Assets, at an interest and/or dividend rate of 1.05% payable on such leverage, the income generated by the Fund’s portfolio (net of non-leverage expenses) must exceed 0.34% in order to cover such interest and/or dividend payments and other expenses. Of course, these numbers are merely estimates, used for illustration. Actual interest and/or dividend rates may vary frequently and may be significantly higher or lower than the rate estimated above.

The following table is furnished in response to requirements of the SEC. It is designed to illustrate the effect of leverage on Common Share total return, assuming investment portfolio total returns (comprised of income and changes in the value of securities held in the Fund’s portfolio) of –10%, –5%, 0%, 5% and 10%. These assumed investment portfolio returns are hypothetical figures and are not necessarily indicative of the investment portfolio returns experienced or expected to be experienced by the Fund. Actual returns may be greater or less than those shown below. See “Risks.” The table further reflects the use of leverage representing 32% of the Fund’s Managed Assets, net of expenses, and the Fund’s currently projected annual interest and/or dividend rate on its leverage of 1.05%.

Common Share Total Return is composed of two elements: the Common Share dividends paid by the Fund (the amount of which is largely determined by the net investment income of the Fund after paying interest and/or dividends on its leverage) and gains or losses on the value of the securities the Fund owns. The table required by SEC rules above assumes that the Fund is more likely to suffer capital losses than to enjoy capital appreciation. For example, to assume a total return of 0% the Fund must assume that the interest it receives on its portfolio investments is entirely offset by losses in the value of those investments.

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RISKS

The Fund is a diversified, closed-end management investment company designed primarily as a long-term investment and not as a trading vehicle. The Fund is not intended to be a complete investment program and, due to the uncertainty inherent in all investments, there can be no assurance that the Fund will achieve its investment objective. The Fund’s performance and the value of its investments will vary in response to changes in interest rates, inflation, the financial condition of a security’s issuer, ratings on a security, perceptions of the issuer, and other market factors. Your Common Shares at any point in time may be worth less than your original investment, even after taking into account the reinvestment of Fund dividends and distributions.

Portfolio Level Risks

Municipal Securities Market Risk

Investing in the municipal securities market involves certain risks. The municipal market is one in which dealer firms make markets in bonds on a principal basis using their proprietary capital, and during the market turmoil in 2008-2009 these firms’ capital was severely constrained. As a result, some firms were unwilling to commit their capital to purchase and to serve as a dealer for municipal bonds. The amount of public information available about the municipal securities in the Fund’s portfolio is generally less than that for corporate equities or bonds, and the investment performance of the Fund may therefore be more dependent on the analytical abilities of Nuveen Asset Management than if the Fund were a stock fund or taxable bond fund. In addition, the market for below investment grade municipal securities has experienced in the past, and may experience in the future, periods of significant volatility, which could negatively impact the value of the municipal securities in the Fund’s portfolio and the market price of the Common Shares.

The ability of municipal issuers to make timely payments of interest and principal may be diminished during general economic downturns and as governmental cost burdens are reallocated among federal, state and local governments. In addition, laws enacted in the future by Congress or state legislatures or referenda could extend the time for payment of principal and/or interest, or impose other constraints on enforcement of such obligations, or on the ability of municipalities to levy taxes. Further, some state and local governments have been and in the future may be subject to direct ballot referenda that could limit their financial flexibility, or their ability to levy taxes or raise revenues, which may adversely affect the marketability of notes and bonds issued by those state and local governments. Issuers of municipal securities might seek protection under the bankruptcy laws. In the event of bankruptcy of such an issuer, the Fund could experience delays in collecting principal and interest and the Fund may not, in all circumstances, be able to collect all principal and interest to which it is entitled. To enforce its rights in the event of a default in the payment of interest or repayment of principal, or both, the Fund may take possession of and manage the assets securing the issuer’s obligations on such securities, which may increase the Fund’s operating expenses. Any income derived from the Fund’s ownership or operation of such assets may not be tax-exempt.

The outbreak of the novel coronavirus, known as COVID-19, in December 2019, and the resulting pandemic, has adversely impacted global commercial activity and has contributed to significant volatility in certain financial markets, including the municipal bond market. See “—Other Risks—Global Economic Risk”. Due to the COVID-19 pandemic, the risks of the municipal securities market have been magnified. These risks have had, and will continue to have, a material adverse impact on local economies and therefore on the governments in those localities. These risks may also adversely affect several sectors of the municipal bond market, such as retirement facilities, transportation facilities such as airports, hospitals and colleges, among many others. All this has adversely affected the municipal securities market, and may continue to do so for an extended period.

Although the detection of COVID-19 in China was made public in December 2019, U.S. securities markets did not start to fully acknowledge the risks and potential economic impact until the latter portion of February

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2020, when outbreaks outside of China were first reported. Certain parts of the municipal bond markets experienced significant volatility and drops in values, particularly below-investment grade municipal bonds. It is possible that similar market dislocations will recur as the COVID-19 pandemic continues, which may adversely affect the value and liquidity of the Fund’s investments.

The impact of the outbreak is rapidly evolving, and many countries, including the United States, have reacted by instituting quarantines, prohibitions on travel and the closure of offices, businesses, schools, retail stores and other public venues. Businesses are also implementing similar precautionary measures. Such measures, as well as the general uncertainty surrounding the dangers and impact of COVID-19, are creating significant disruption in supply chains and economic activity and are having a particularly adverse impact on transportation, hospitality, tourism, entertainment and other industries. As a result, the COVID-19 pandemic could adversely affect the bonds of municipalities that depend on tax or other revenues generated by tourist dollars. Additionally, the economic disruption caused by the COVID-19 pandemic may negatively impact state and local budgetary matters, as states and municipalities may be more likely to run budget deficits (or larger deficits) during the period of economic contraction stemming from the COVID-19 pandemic.

Issuer Credit Risk

Issuers of securities in which the Fund may invest may default, or may be in default at the time of purchase, on their obligations to pay dividends, principal or interest when due. This non-payment would result in a reduction of income to the Fund, a reduction in the value of a debt security experiencing non-payment and, potentially, a decrease in the NAV of the Fund. With respect to the Fund’s investments in securities that are secured, there can be no assurance that liquidation of collateral would satisfy the issuer’s obligation in the event of non-payment of a scheduled dividend, interest or principal payment or that such collateral could be readily liquidated. In the event of the bankruptcy of an issuer, the Fund could experience delays or limitations with respect to its ability to realize the benefits of any collateral securing a security. To the extent that the credit rating assigned to a security in the Fund’s portfolio is downgraded, the market price and liquidity of such security may be adversely affected.

Credit Spread Risk

Credit spread risk is the risk that credit spreads (i.e., the difference in yield between securities that is due to differences in their credit quality) may increase when the market believes that municipal securities generally have a greater risk of default. Increasing credit spreads may reduce the market values of the Fund’s securities. Credit spreads often increase more for lower rated and unrated securities than for investment grade securities. In addition, when credit spreads increase, reductions in market value will generally be greater for longer-maturity securities.

Below Investment Grade Risk

Debt instruments of below investment grade quality are regarded as having predominately speculative characteristics with respect to the issuer’s capacity to pay interest, dividends and repay principal, and are commonly referred to as junk bonds or high yield debt, which implies higher price volatility and default risk than investment grade instruments of comparable terms and duration. Issuers of lower grade instruments may be highly leveraged and may not have available to them more traditional methods of financing. The prices of these lower grade instruments are typically more sensitive to negative developments, such as a decline in the issuer’s revenues or a general economic downturn, than are the prices of higher grade instruments.

If a below investment grade security goes into default, or its issuer enters bankruptcy, it might be difficult to sell that security in a timely manner at a reasonable price.

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The secondary market for lower grade instruments may not be as liquid as the secondary market for more highly rated instruments, a factor which may have an adverse effect on the Fund’s ability to dispose of a particular instrument. There are fewer dealers in the market for lower grade securities than for investment grade obligations. The prices quoted by different dealers for lower grade instruments may vary significantly and the spread between the bid and ask price for such instruments is generally much larger than for higher quality instruments. Under adverse market or economic conditions, the secondary market for lower grade securities could contract further, independent of any specific adverse changes in the condition of a particular issuer, and these instruments may become illiquid. As a result, the Fund could find it more difficult to sell these instruments or may be able to sell the instruments only at prices lower than if such instruments were widely traded. Prices realized upon the sale of such lower rated or unrated instruments, under these circumstances, may be less than the prices used in calculating the Fund’s NAV.

For these reasons, an investment in the Fund, compared with a portfolio consisting solely of investment grade securities, may experience the following:

In the event that the Fund disposes of a portfolio security subsequent to its being downgraded, the Fund may experience a greater loss than if such security had been sold prior to such downgrade.

Interest Rate Risk

Interest rate risk is the risk that debt securities in the Fund’s portfolio will decline in value because of changes in market interest rates. Generally, when market interest rates rise, the market value of such securities will fall, and vice versa. As interest rates decline, issuers of debt securities may prepay principal earlier than scheduled, forcing the Fund to reinvest in lower-yielding securities and potentially reducing the Fund’s income. As interest rates increase, slower than expected principal payments may extend the average life of securities, potentially locking in a below-market interest rate and reducing the Fund’s value. In typical market interest rate environments, the prices of longer-term debt securities generally fluctuate more than prices of shorter-term debt securities as interest rates change. The Federal Reserve recently reduced the federal funds rate several times.

Duration Risk

Duration is the sensitivity, expressed in years, of the price of a fixed-income security to changes in the general level of interest rates (or yields). Securities with longer durations tend to be more sensitive to interest rate (or yield) changes, which typically corresponds to increased volatility and risk, than securities with shorter durations. For example, if a security or portfolio has a duration of three years and interest rates increase by 1%, then the security or portfolio would decline in value by approximately 3%. Duration differs from maturity in that it considers potential changes to interest rates, and a security’s coupon payments, yield, price and par value and call features, in addition to the amount of time until the security matures. The duration of a security will be expected to change over time with changes in market factors and time to maturity.

Call Risk

During periods of declining interest rates or for other purposes, issuers may exercise their option to prepay principal earlier than scheduled, forcing the Fund to reinvest in lower yielding instruments. This is known as

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prepayment or “call” risk. The Fund may invest in securities that are subject to call risk. Debt and preferred instruments may be redeemed at the option of the issuer, or “called,” before their stated maturity or redemption date. In general, an issuer will call its debt or preferred instruments if they can be refinanced by issuing new instruments which bear a lower interest or dividend rate. The Fund is subject to the possibility that during periods of falling interest rates, an issuer will call its high yielding debt or preferred instruments. The Fund would then be forced to invest the unanticipated proceeds at lower interest or dividend rates, resulting in a decline in the Fund’s income.

Reinvestment Risk

Reinvestment risk is the risk that income from the Fund’s portfolio will decline if and when the Fund invests the proceeds from matured, traded or called securities at market interest rates that are below the portfolio’s current earnings rate. A decline in income could affect the Common Shares’ market price, NAV and/or a Common Shareholder’s overall returns. As the average maturity of the Fund’s portfolio shortens, the Fund will reinvest in shorter maturity securities at market interest rates that may be lower than at the Fund’s inception. As a result, the Fund’s income and distributions may decline over the term of the Fund. The likelihood of this risk may increase as the Fund approaches its Termination Date.

Inverse Floating Rate Securities Risk

The Fund may invest in inverse floating rate securities. Typically, inverse floating rate securities represent beneficial interests in a special purpose trust (sometimes called a “tender option bond trust”) formed for the purpose of holding municipal bonds. See “Portfolio Composition and Other Information—Municipal Securities—Inverse Floating Rate Securities.” In general, income on inverse floating rate securities will decrease when short-term interest rates increase and increase when short-term interest rates decrease. Investments in inverse floating rate securities may subject the Fund to the risks of reduced or eliminated interest payments and losses of principal.

The Fund may invest in inverse floating rate securities issued by special purpose trusts that have recourse to the Fund. In Nuveen Fund Advisors’ and Nuveen Asset Management’s discretion, the Fund may enter into a separate shortfall and forbearance agreement with the third party granting liquidity to the floating rate security holders of the special purpose trust. The Fund may enter into such recourse agreements (i) when the liquidity provider to the special purpose trust requires such an agreement because the level of leverage in the trust exceeds the level that the liquidity provider is willing to support absent such an agreement; and/or (ii) to seek to prevent the liquidity provider from collapsing the trust in the event that the municipal obligation held in the trust has declined in value. Such an agreement would require the Fund to reimburse the third party granting liquidity to the floating rate security holders of the special purpose trust, upon termination of the trust issuing the inverse floater, the difference between the liquidation value of the bonds held in the trust and the principal amount due to the holders of floating rate interests. In such instances, the Fund may be at risk of loss that exceeds its investment in the inverse floating rate securities.

Inverse floating rate securities may increase or decrease in value at a greater rate than the underlying interest rate, which effectively leverages the Fund’s investment. As a result, the market value of such securities generally will be more volatile than that of fixed rate securities.

The Fund’s investments in inverse floating rate securities issued by special purpose trusts that have recourse to the Fund may be highly leveraged. The structure and degree to which the Fund’s inverse floating rate securities are highly leveraged will vary based upon a number of factors, including the size of the trust itself and the terms of the underlying municipal security. In the event of a significant decline in the value of an underlying security, the Fund may suffer losses in excess of the amount of its investment (up to an amount equal to the value of the municipal securities underlying the inverse floating rate securities) as a result of liquidating special purpose trusts or other collateral required to maintain the Fund’s anticipated leverage ratio.

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The Fund’s investment in inverse floating rate securities creates leverage. Any leverage achieved through the Fund’s investment in inverse floating rate securities will create an opportunity for increased Common Share net income and returns, but will also create the possibility that Common Share long-term returns will be diminished if the cost of leverage exceeds the return on the inverse floating rate securities purchased by the Fund. See “Risks—Fund Level Risks—Leverage Risk.”

The amount of fees paid to Nuveen Asset Management for investment advisory services will be higher if the Fund uses leverage because the fees will be calculated based on the Fund’s Managed Assets—this may create an incentive for Nuveen Asset Management to leverage the Fund. “Managed Assets” means the total assets of the Fund, minus the sum of its accrued liabilities (other than liabilities incurred for the express purpose of creating leverage). Total assets for this purpose shall include assets attributable to the Fund’s use of leverage (whether or not those assets are reflected in the Fund’s financial statements for purposes of generally accepted accounting principles), and derivatives will be valued at their market value.

Inverse floating rate securities have varying degrees of liquidity based, among other things, upon the liquidity of the underlying securities deposited in a special purpose trust. The market price of inverse floating rate securities is more volatile than the underlying securities due to leverage. The leverage attributable to such inverse floating rate securities may be “called away” on relatively short notice and therefore may be less permanent than more traditional forms of leverage. In certain circumstances, the likelihood of an increase in the volatility of NAV and market price of the Common Shares may be greater for a fund (like the Fund) that relies primarily on inverse floating rate securities to achieve a desired leverage ratio. The Fund may be required to sell its inverse floating rate securities at less than favorable prices, or liquidate other Fund portfolio holdings in certain circumstances, including, but not limited to, the following:

There is no assurance that the Fund’s strategy of investing in inverse floating rate securities will be successful.

Municipal Securities Market Liquidity Risk

Inventories of municipal securities held by brokers and dealers have decreased in recent years, lessening their ability to make a market in these securities. This reduction in market making capacity has the potential to decrease the Fund’s ability to buy or sell municipal securities at attractive prices, and increase municipal security price volatility and trading costs, particularly during periods of economic or market stress. The secondary market for municipal securities, particularly the below investment grade municipal securities in which the Fund may invest, also tends to be less well-developed or liquid than many other securities markets, which may adversely affect the Fund’s ability to sell its municipal securities at attractive prices. In addition, recent federal banking regulations may cause certain dealers to reduce their inventories of municipal securities, which may further decrease the Fund’s ability to buy or sell municipal securities. As a result, the Fund may be forced to accept a lower price to sell a security, to sell other securities to raise cash, or to give up an investment opportunity, any of which could have a negative effect on performance. If the Fund needed to sell large blocks of municipal securities to raise cash to meet its obligations, those sales could further reduce the municipal securities’ prices and hurt performance. The Fund may invest a significant portion of its assets in unrated municipal securities. The market for these municipal securities may be less liquid than the market for rated municipal securities of comparable quality. Less public information is typically available about unrated municipal securities or issuers than rated municipal securities or issuers.

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Restricted and Illiquid Securities Risk

Illiquid securities are securities that are not readily marketable. These securities may include restricted securities, which can not be resold to the public without an effective registration statement under the 1933 Act, or, if they are unregistered, may be sold only in a privately negotiated transaction or pursuant to an exemption from registration. The Fund may not be able to readily dispose of such securities at prices that approximate those at which the Fund could sell such securities if they were more widely traded and, as a result of such illiquidity, the Fund may have to sell other investments or engage in borrowing transactions if necessary to raise cash to meet its obligations. Limited liquidity can also affect the market price of securities, thereby adversely affecting the Fund’s NAV and ability to make dividend distributions. The financial markets in general have in recent years experienced periods of extreme secondary market supply and demand imbalance, resulting in a loss of liquidity during which market prices were suddenly and substantially below traditional measures of intrinsic value. During such periods, some securities could be sold only at arbitrary prices and with substantial losses. Periods of such market dislocation may occur again at any time.

Defaulted and Distressed Securities Risk

The Fund may invest in any securities of an issuer that is in default or that is in bankruptcy or insolvency proceedings. In addition, the Fund may hold investments that at the time of purchase are not in default or involved in bankruptcy or insolvency proceedings, but may later become so. Moreover, the Fund may invest in securities either rated CCC+/Caa1 or lower, or unrated but judged by Nuveen Asset Management to be of comparable quality. Some or many of these low-rated securities, although not in default, may be “distressed,” meaning that the issuer is experiencing financial difficulties or distress at the time of acquisition. Such securities would present a substantial risk of future default which may cause the Fund to incur losses, including additional expenses, to the extent it is required to seek recovery upon a default in the payment of principal or interest on those securities. In any reorganization or liquidation proceeding relating to a portfolio security, the Fund may lose its entire investment or may be required to accept cash or securities with a value less than its original investment. Defaulted or distressed securities may be subject to restrictions on resale.

Derivatives Risk

The Fund’s use of derivatives involves risks different from, and possibly greater than, the risks associated with investing directly in the investments underlying the derivatives. If the Fund enters into a derivative transaction, it could lose more than the principal amount invested. The risks associated with derivatives transactions include (i) the imperfect correlation between the value of such instruments and the underlying assets, (ii) the possible default of the counterparty to the transaction, (iii) illiquidity of the derivative instruments, and (iv) high volatility losses caused by unanticipated market movements, which are potentially unlimited. Although both over-the-counter (“OTC”) and exchange-traded derivatives markets may experience a lack of liquidity, OTC non-standardized derivative transactions are generally less liquid than exchange-traded instruments. The illiquidity of the derivatives markets may be due to various factors, including congestion, disorderly markets, limitations on deliverable supplies, the participation of speculators, government regulation and intervention, and technical and operational or system failures. In addition, daily limits on price fluctuations and speculative position limits on exchanges on which the Fund may conduct its transactions in derivative instruments may prevent prompt liquidation of positions, subjecting the Fund to the potential of greater losses.

Whether the Fund’s use of derivatives is successful will depend on, among other things, Nuveen Fund Advisors and Nuveen Asset Management correctly forecasting market circumstances, liquidity, market values, interest rates and other applicable factors. If Nuveen Fund Advisors and Nuveen Asset Management incorrectly forecast these and other factors, the investment performance of the Fund will be unfavorably affected. In addition, there can be no assurance that the derivatives investing techniques, as they may be developed and implemented by the Fund, will be successful in mitigating risk or achieving the Fund’s investment objective. The use of derivatives to enhance returns may be particularly speculative.

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Risk of Swaps and Swap Options

The Fund may enter into debt-related derivatives instruments including credit default swap contracts, total return swap contracts and interest rate swaps. Like most derivative instruments, the use of swaps is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. In addition, the use of swaps requires an understanding by Nuveen Asset Management not only of the referenced asset, rate or index, but also of the swap itself. If Nuveen Fund Advisors and/or Nuveen Asset Management is incorrect in its forecasts of default risks, market spreads or other applicable factors or events, the investment performance of the Fund would diminish compared with what it would have been if these techniques were not used. As the protection seller in a credit default swap, the Fund effectively adds leverage to its portfolio because, in addition to being subject to investment exposure on its total net assets, the Fund is subject to investment exposure on the notional amount of the swap.

The Fund generally may only close out a swap, cap, floor, collar or other two-party contract with its particular counterparty, and generally may only transfer a position with the consent of that counterparty. Because they are two-party contracts and because they may have terms of greater than seven days, swap agreements may be considered illiquid. In addition, the price at which the Fund may close out such a two-party contract may not correlate with the price change in the underlying reference asset. Moreover, the Fund bears the risk of loss of the amount expected to be received under a swap agreement in the event of the default or bankruptcy of a swap agreement counterparty. If the counterparty defaults, the Fund will have contractual remedies, but there can be no assurance that the counterparty will be able to meet its contractual obligations or that the Fund will succeed in enforcing its rights.

The Fund may write (sell) and purchase put and call swap options. When the Fund purchases a swap option, it risks losing only the amount of the premium it has paid should it decide to let the option expire unexercised. When the Fund writes a swap option, upon exercise of the option the Fund would become obligated according to the terms of the underlying agreement.

It is possible that developments in the derivatives market, including changes in government regulation, could adversely affect the Fund’s ability to terminate existing swap agreements or to realize amounts to be received under such agreements.

Risk of Financial Futures and Options Transactions

The Fund may use certain transactions for hedging the portfolio’s exposure to credit risk and the risk of increases in interest rates, which could result in poorer overall performance for the Fund. The Fund’s use of certain transactions to reduce risk involves costs and will be subject to Nuveen Asset Management’s ability to predict correctly changes in the relationships of such hedge instruments to the Fund’s portfolio holdings or other factors. No assurance can be given that Nuveen Asset Management’s judgment in this respect will be correct. In addition, no assurance can be given that the Fund will enter into hedging or other transactions at times or under circumstances in which it may be advisable to do so.

There are certain risks associated with the use of financial futures and options to hedge investment portfolios. There may be an imperfect correlation between price movements of the futures and options and price movements of the portfolio securities being hedged. Losses may be incurred in hedging transactions, which could reduce the portfolio gains that might have been realized if the hedging transactions had not been entered into. If the Fund engages in futures transactions or in the writing of options on futures, it will be required to maintain initial margin and maintenance margin and may be required to make daily variation margin payments in accordance with applicable rules of the exchanges and the Commodity Futures Trading Commission (“CFTC”). If the Fund purchases a financial futures contract or a call option or writes a put option in order to hedge the anticipated purchase of municipal securities, and if the Fund fails to complete the anticipated purchase transaction, the Fund may have a loss or a gain on the futures or options transaction that will not be offset by

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price movements in the municipal securities that were the subject of the anticipatory hedge. The cost of put options on debt securities or indexes effectively increases the cost of the securities subject to them, thereby reducing the yield otherwise available from these securities. If the Fund decides to use futures contracts or options on futures contracts for hedging purposes, the Fund will be required to establish an account for such purposes with one or more CFTC-registered futures commission merchants. A futures commission merchant could establish initial and maintenance margin requirements for the Fund that are greater than those which would otherwise apply to the Fund under applicable rules of the exchanges and the CFTC. There can be no assurance that a liquid market will exist at a time when the Fund seeks to close out a derivatives or futures or a futures option position, and the Fund would remain obligated to meet margin requirements until the position is closed. Futures exchanges may limit the amount of fluctuation permitted in certain futures contract prices during a single trading day. The daily limit establishes the maximum amount that the price of a futures contract may vary either up or down from the previous day’s settlement price at the end of the current trading session. Once the daily limit has been reached in a futures contract subject to the limit, no more trades may be made on that day at a price beyond that limit. The daily limit governs only price movements during a particular trading day and therefore does not limit potential losses because the limit may work to prevent the liquidation of unfavorable positions. For example, futures prices have occasionally moved to the daily limit for several consecutive trading days with little or no trading, thereby preventing prompt liquidation of positions and subjecting some holders of futures contracts to substantial losses.

Hedging Risk

The Fund’s use of derivatives or other transactions to reduce risks involves costs and will be subject to Nuveen Asset Management’s ability to predict correctly changes in the relationships of such hedge instruments to the Fund’s portfolio holdings or other factors. No assurance can be given that Nuveen Asset Management’s judgment in this respect will be correct. In addition, no assurance can be given that the Fund will enter into hedging or other transactions at times or under circumstances in which it may be advisable to do so.

Puerto Rico Municipal Securities Market Risk

To the extent that the Fund invests a significant portion of its assets in the securities issued by the Commonwealth of Puerto Rico or its political subdivisions, agencies, instrumentalities, or public corporations (collectively referred to in this prospectus as “Puerto Rico” or the “Commonwealth”), it will be disproportionally affected by political, social and economic conditions and developments in the Commonwealth. In addition, economic, political or regulatory changes in that territory could adversely affect the value of the Fund’s investment portfolio.

Puerto Rico currently is experiencing significant fiscal and economic challenges, including substantial debt service obligations, high levels of unemployment, underfunded public retirement systems, and persistent government budget deficits. These challenges may negatively affect the value of the Fund’s investments in Puerto Rican municipal securities. Several major ratings agencies have downgraded the general obligation debt of Puerto Rico to below investment grade and continue to maintain a negative outlook for this debt, which increases the likelihood that the rating will be lowered further. In both August 2015 and January 2016, Puerto Rico defaulted on its debt by failing to make full payment due on its outstanding bonds, and there can be no assurance that Puerto Rico will be able to satisfy its future debt obligations. Further downgrades or defaults may place additional strain on the Puerto Rico economy and may negatively affect the value, liquidity, and volatility of the Fund’s investments in Puerto Rican municipal securities. Additionally, numerous issuers have entered Title III of the Puerto Rico Oversite, Management and Economic Stability Act (“PROMESA”), which is similar to bankruptcy protection, through which the Commonwealth of Puerto Rico can restructure its debt. However, Puerto Rico’s case is the first ever heard under PROMESA and there is no existing case precedent to guide the proceedings. Accordingly, Puerto Rico’s debt restructuring process could take significantly longer than traditional municipal bankruptcy proceedings. Further, it is not clear whether a debt restructuring process will ultimately be approved or, if so, the extent to which it will apply to Puerto Rico municipal securities sold by an

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issuer other than the territory. A debt restructuring could reduce the principal amount due, the interest rate, the maturity, and other terms of Puerto Rico municipal securities, which could adversely affect the value of Puerto Rican municipal securities. Legislation, including PROMESA that would allow Puerto Rico to restructure its municipal debt obligations, thus increasing the risk that Puerto Rico may never pay off municipal indebtedness, or may pay only a small fraction of the amount owed, could also impact the value of the Fund’s investments in Puerto Rican municipal securities.

These challenges and uncertainties have been exacerbated by Hurricane Maria and the resulting natural disaster in Puerto Rico. In September 2017, Hurricane Maria struck Puerto Rico, causing major damage across the Commonwealth, including damage to its water, power, and telecommunications infrastructure. The length of time needed to rebuild Puerto Rico’s infrastructure is unclear, but could amount to years, during which the Commonwealth is likely to be in an uncertain economic state. The full extent of the natural disaster’s impact on Puerto Rico’s economy and foreign investment in Puerto Rico is difficult to estimate.

Puerto Rico’s political and economic conditions could have a negative impact on the liquidity or value of Puerto Rican municipal securities, and consequently may affect the Fund’s investments and its performance if the Fund invests a significant portion of its assets in Puerto Rican municipal securities.

Sector Focus Risk

At times, the Fund may focus its investments (i.e., overweight its investments relative to the overall municipal securities market) in one or more particular sectors, which may subject the Fund to additional risk and variability. Securities issued in the same sector may be similarly affected by economic or market events, making the Fund more vulnerable to unfavorable developments in that sector than funds that invest more broadly. As the percentage of the Fund’s Managed Assets invested in a particular sector increases, so does the potential for fluctuation in the NAV of the Fund’s Common Shares.

Tax Risk

The Fund intends to elect to be treated and to qualify each year as a RIC under the Internal Revenue Code of 1986, as amended (the “Code”). As a RIC, the Fund is not expected to be subject to U.S. federal income tax to the extent that it distributes its investment company taxable income and net capital gain each year. To qualify for the special tax treatment available to a RIC, the Fund must comply with certain income, distribution, and diversification requirements. Under certain circumstances, the Fund may be forced to sell certain assets when it is not advantageous in order to meet these requirements, which may reduce the Fund’s overall return. If the Fund fails to meet any of these requirements, subject to the opportunity to cure such failures under applicable provisions of the Code, the Fund’s income would be subject to a double level of U.S. federal income tax. The Fund’s income, including its net capital gain, would first be subject to U.S. federal income tax at the corporate income tax rate, even if such income were distributed to shareholders and, second, all distributions by the Fund from earnings and profits, including distributions of net capital gain (if any), would be taxable to shareholders as dividends. See “Tax Matters.”

The value of the Fund’s investments and its NAV may be adversely affected by changes in tax rates and rules. Because interest income from municipal securities is normally not subject to U.S. regular federal income taxation, the attractiveness of municipal securities in relation to other investment alternatives is affected by changes in federal income tax rates or changes in the tax exempt status of interest income from municipal securities. Additionally, the Fund is not a suitable investment for individual retirement accounts, for other tax exempt or tax-deferred accounts, for investors who are not sensitive to the federal income tax consequences of their investments, or for investors seeking primarily tax free income since the Fund’s portfolio turnover is expected to be higher than that of a traditional municipal bond fund and the Fund therefore expects that a greater percentage of each distribution would be attributable to capital appreciation rather than to tax-exempt income with investors being subject to tax on such realized appreciation (depending on the investor’s situation). The

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Fund’s investment in municipal securities that pay interest that is taxable under the federal alternative minimum tax applicable to noncorporate taxpayers (“AMT Bonds”) may trigger adverse tax consequences for Fund shareholders who are subject to the federal alternative minimum tax. If you are, or as a result of investment in the Fund would become, subject to the federal alternative minimum tax, the Fund may not be a suitable investment for you. In addition, distributions of taxable ordinary income (including any net short-term capital gain) will be taxable to shareholders as ordinary income (and not eligible for favorable taxation as “qualified dividend income”), and capital gain dividends will be taxable as long-term capital gains. The portion of each distribution attributable to capital appreciation is expected to be higher than that in a typical municipal bond fund. As a result, the level of taxable distributions currently anticipated by the Fund could be significant for Common Shareholders. Unlike a distribution attributable to tax-exempt income, a distribution attributable to capital appreciation would be subject to tax depending on a shareholder’s situation. Interest income on municipal securities also may be subject to state and local income taxes. See “Tax Matters.”

Taxability Risk

The Fund will invest in municipal securities in reliance at the time of purchase on an opinion of bond counsel to the issuer that the interest paid on those securities will be excludable from gross income under the regular U.S. federal income tax, and Nuveen Asset Management will not independently verify that opinion. Subsequent to the Fund’s acquisition of such a municipal security, however, the security may be determined to pay, or to have paid, taxable income. In addition, the Fund’s investment in tender offer bonds (“TOBs”) includes the risk that the Fund might not be considered the owner for federal income tax purposes of the municipal obligations underlying a TOB and thus would not be permitted to treat income derived from the TOB as exempt from federal income taxes. Further, under some circumstances, the creation of a TOB could be considered a reissuance of the underlying municipal obligations, which might not satisfy the then current requirements for a tax-exempt obligation. As a result, the treatment of dividends previously paid or to be paid by the Fund as “exempt-interest dividends” could be adversely affected, subjecting the Fund’s shareholders to increased federal income tax liabilities. Certain other investments made by the Fund, including derivatives transactions, may result in the receipt of taxable income or gains by the Fund.

Inflation Risk

Inflation risk is the risk that the value of assets or income from investments will be worth less in the future as inflation decreases the value of money. As inflation increases, the real value of the Common Shares and distributions can decline.

Insurance Risk

The Fund may purchase municipal securities that are secured by insurance, bank credit agreements or escrow accounts. The credit quality of the companies that provide such credit enhancements will affect the value of those securities. Certain significant providers of insurance for municipal securities have incurred significant losses as a result of exposure to sub-prime mortgages and other lower credit quality investments that have experienced defaults or otherwise suffered extreme credit deterioration. As a result, such losses have reduced the insurers’ capital and called into question their continued ability to perform their obligations under such insurance if they are called upon to do so in the future. While an insured municipal security will typically be deemed to have the rating of its insurer, if the insurer of a municipal security suffers a downgrade in its credit rating or the market discounts the value of the insurance provided by the insurer, the rating of the underlying municipal security will be more relevant and the value of the municipal security would more closely, if not entirely, reflect such rating. In such a case, the value of insurance associated with a municipal security would decline and may not add any value. The insurance feature of a municipal security does not guarantee the full payment of principal and interest through the life of an insured obligation, the market value of the insured obligation or the NAV of the Common Shares represented by such insured obligation.

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Tobacco Settlement Bond Risk

Tobacco settlement bonds are municipal securities that are backed solely by expected revenues to be derived from lawsuits involving tobacco related deaths and illnesses which were settled between certain states and American tobacco companies. Tobacco settlement bonds are secured by an issuing state’s proportionate share in the Master Settlement Agreement (“MSA”). The MSA is an agreement reached out of court in November 1998 between 46 states and nearly all of the U.S. tobacco manufacturers. Under the terms of the MSA, the actual amount of future settlement payments by tobacco manufacturers is dependent on many factors, including, but not limited to, annual domestic cigarette shipments, reduced cigarette consumption, increased taxes on cigarettes, inflation, financial capability of tobacco companies, continuing litigation and the possibility of tobacco manufacturer bankruptcy. Payments made by tobacco manufacturers could be negatively impacted if the decrease in tobacco consumption is significantly greater than the forecasted decline.

Other Investment Companies Risk

The Fund may invest in the securities of other investment companies, including ETFs. Such securities may be leveraged. As a result, the Fund may be indirectly exposed to leverage through an investment in such securities and therefore magnify the Fund’s leverage risk. Utilization of leverage is a speculative investment technique and involves certain risks. An investment in securities of other investment companies that are leveraged may expose the Fund to higher volatility in the market value of such securities and the possibility that the Fund’s long-term returns on such securities (and, indirectly, the long-term returns of the Common Shares) will be diminished. The Fund, as a holder of the securities of other investment companies, will bear its pro rata portion of the other investment companies’ expenses, including advisory fees. These expenses are in addition to the direct expenses of the Fund’s own operations. As a result, the cost of investing in investment company shares may exceed the costs of investing directly in its underlying investments. Investing in an investment company exposes the Fund to all of the risks of that investment company’s investments. An ETF that is based on a specific index may not be able to replicate and maintain exactly the composition and relative weighting of securities in the index. The value of an ETF based on a specific index is subject to change as the values of its respective component assets fluctuate according to market volatility. ETFs typically rely on a limited pool of authorized participants to create and redeem shares, and an active trading market for ETF shares may not develop or be maintained. The market value of shares of ETFs and closed-end funds may differ from their NAV.

Fund Level Risks

Market Discount from Net Asset Value

Shares of closed-end investment companies like the Fund frequently trade at prices lower than their NAV, which creates a risk of loss for investors when they sell shares purchased in the initial public offering. This characteristic is a risk separate and distinct from the risk that the Fund’s NAV could decrease as a result of investment activities. Shares of closed-end investment companies like the Fund have during some periods traded at prices higher than NAV and have during other periods traded at prices lower than NAV. Whether investors will realize gains or losses upon the sale of the Common Shares will depend not upon the Fund’s NAV but entirely upon whether the market price of the Common Shares at the time of sale is above or below the investor’s purchase price for the Common Shares. Furthermore, management may have difficulty meeting the Fund’s investment objective and managing its portfolio when the underlying securities are redeemed or sold during periods of market turmoil and as investors’ perceptions regarding closed-end funds or their underlying investments change. Because the market price of the Common Shares will be determined by factors such as relative supply of and demand for the Common Shares in the market, general market and economic circumstances, and other factors beyond the control of the Fund, the Fund cannot predict whether the Common Shares will trade at, below or above NAV or at, below or above the initial public offering price. The Common Shares are designed primarily for long-term investors, and you should not view the Fund as a vehicle for short-term trading purposes.

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Investment and Market Risk

An investment in Common Shares is subject to investment risk, including the possible loss of the entire principal amount that you invest. Your investment in Common Shares represents an indirect investment in the securities owned by the Fund. Your Common Shares at any point in time may be worth less than your original investment, even after taking into account the reinvestment of Fund dividends and distributions.

Leverage Risk

The Fund’s anticipated use of leverage creates special risks for Common Shareholders, including potential interest rate risks and the likelihood of greater volatility of NAV and market price of, and distributions on, the Common Shares. The use of leverage in a declining market will likely cause a greater decline in Common Share NAV, which may result at a greater decline of the Common Share price, than if the Fund were not to have used leverage. The Fund will pay (and Common Shareholders will bear) any costs and expenses relating to the Fund’s use of leverage, which will result in a reduction in the NAV of the Common Shares. Nuveen Fund Advisors may, based on its assessment of market conditions, composition of the Fund’s holdings and remaining time until the Fund’s Termination Date, increase or decrease the amount of leverage. Such changes may impact the Fund’s distributions and the price of the Fund’s Common Shares in the secondary market. There is no assurance that the Fund will utilize leverage or that the Fund’s use of leverage will be successful. See “Leverage.”

The Fund pays a management fee to Nuveen Fund Advisors for investment advisory services, which in turn pays a portion of its fee to Nuveen Asset Management for investment sub-advisory services, based on a percentage of the Fund’s Managed Assets. Nuveen Fund Advisors and Nuveen Asset Management will base the decision regarding whether and how much leverage to use for the Fund based on their assessment of whether such use of leverage is in the best interests of the Fund. However, the fact that a decision to employ or increase the Fund’s leverage will have the effect, all other things being equal, of increasing Managed Assets and therefore Nuveen Fund Advisors’ and Nuveen Asset Management’s fees means that they may have a conflict of interest in determining whether to use or increase leverage. Nuveen Fund Advisors and Nuveen Asset Management will seek to manage that potential conflict by leveraging the Fund (or increasing such leverage) only when they determine that such action is in the best interests of the Fund, and by periodically reviewing the Fund’s performance and use of leverage with the Board of Trustees.

Reverse Repurchase Agreement Risk

Reverse repurchase agreements involve the sale of securities held by the Fund with an agreement to repurchase the securities at an agreed-upon price and date, thereby establishing an effective interest rate. The Fund’s use of reverse repurchase agreements, in economic essence, constitute a securitized borrowing by the Fund from the security purchaser. The Fund may enter into reverse repurchase agreements for the purpose of creating a leveraged investment exposure and, as such, their usage involves essentially the same risks associated with a leveraging strategy generally since the proceeds from these agreements may be invested in additional securities. Reverse repurchase agreements tend to be short-term in tenor, and there can be no assurances that the purchaser (lender) will commit to extend or “roll” a given agreement upon its agreed-upon repurchase date or an alternative purchaser can be identified on similar terms.

Reverse repurchase agreements also involve the risk that the purchaser fails to return the securities as agreed upon, files for bankruptcy or becomes insolvent. The Fund may be restricted from taking normal portfolio actions during such time, could be subject to loss to the extent that the proceeds of the agreement are less than the value of securities subject to the agreement and may experience adverse tax consequences.

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Limited Term and Tender Offer Risks

The Fund is scheduled to terminate as of the Stated Termination Date. The Fund’s investment objective is not designed to return to Common Shareholders their original NAV or purchase price. Because the assets of the Fund will be liquidated in connection with its termination or to pay for Common Shares tendered in an Eligible Tender Offer, the Fund may be required to sell portfolio securities when it otherwise would not, including at times when market conditions are not favorable, or at a time when a particular security is in default or bankruptcy, or otherwise in severe distress, which may cause the Fund to lose money.

If the Fund conducts an Eligible Tender Offer, and the tender offer is completed, it is anticipated that funds to pay the aggregate purchase price of Common Shares accepted for purchase pursuant to the tender offer will be first derived from any cash on hand and then from the proceeds from the sale of portfolio investments. In addition, the Fund may be required to dispose of portfolio investments in connection with any reduction in its outstanding leverage necessary in order to maintain its desired leverage ratios following an Eligible Tender Offer. The risks related to the disposition of portfolio investments in connection with termination also would be present in connection with the disposition of portfolio investments in connection with an Eligible Tender Offer. It is likely that during the pendency of an Eligible Tender Offer, and possibly for a time thereafter, the Fund will hold a greater than normal percentage of its total assets in money market mutual funds, cash, cash equivalents, securities issued or guaranteed by the U.S. government or its instrumentalities or agencies, high quality, short-term money market instruments, short-term debt securities, certificates of deposit, bankers’ acceptances and other bank obligations, commercial paper or other liquid debt securities, which may adversely affect the Fund’s investment performance. If the tax basis for the portfolio investments sold is less than the sale proceeds, the Fund will recognize capital gains, which it may be required to distribute to Common Shareholders. In addition, the Fund’s purchase of tendered Common Shares pursuant to an Eligible Tender Offer will have tax consequences for tendering Common Shareholders and may have tax consequences for non-tendering Common Shareholders. The purchase of Common Shares pursuant to an Eligible Tender Offer will have the effect of increasing the proportionate interest in the Fund of non-tendering Common Shareholders. All Common Shareholders remaining after an Eligible Tender Offer will be subject to proportionately higher expenses due to the reduction in the Fund’s total assets resulting from payment for the tendered Common Shares. Such reduction in the Fund’s total assets also may result in less investment flexibility, reduced diversification and greater volatility for the Fund, and may have an adverse effect on the Fund’s investment performance.

The Fund is not required to conduct an Eligible Tender Offer. If the Fund conducts an Eligible Tender Offer, there can be no assurance that the number of tendered Common Shares would not result in the Fund’s net assets totaling less than the Termination Threshold, in which case the Eligible Tender Offer will be terminated, no Common Shares will be repurchased pursuant to the Eligible Tender Offer and the Fund will terminate on the Termination Date. Following the completion of an Eligible Tender Offer in which the number of tendered Common Shares would result in the Fund’s net assets totaling greater than the Termination Threshold, the Board of Trustees may provide that the Fund may continue without limitation of time, upon the affirmative vote of a majority of the Board of Trustees and without a vote of shareholders. Thereafter, the Fund will have a continued existence without limitation of time. Nuveen Fund Advisors may have a conflict of interest in recommending to the Board of Trustees that the Fund may have a continued existence without limitation of time. The Fund is not required to conduct additional tender offers following an Eligible Tender Offer and conversion to a continued existence without limitation of time. Therefore, remaining Common Shareholders may not have another opportunity to participate in a tender offer. Shares of closed-end management investment companies frequently trade at a discount from their NAV, and as a result remaining Common Shareholders may only be able to sell their Common Shares at a discount to NAV. See “Risks—Fund Level Risks—Market Discount from Net Asset Value.”

The Fund’s final distribution to Common Shareholders upon termination of the Fund will be based upon the Fund’s NAV at the Termination Date. Any investors who purchase Common Shares in this offering, and any investors who purchase Common Shares after the completion of this offering (particularly if their purchase price differs meaningfully from the original offering price) may receive less than their original investment. Rather than

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reinvesting the proceeds of its securities, the Fund may also distribute the proceeds in one or more distributions prior to the final liquidation, which may cause the Fund’s fixed expenses to increase when expressed as a percentage of net assets attributable to Common Shares. Depending upon a variety of factors, including the performance of the Fund’s portfolio over the life of the Fund, the amount distributed to Common Shareholders may be significantly less than their original investment.

Because the Fund will invest in below investment grade securities, it may be exposed to the greater potential for an issuer of its securities to default, as compared to a fund that invests solely in investment grade securities. As a result, should a Fund portfolio holding default, this may significantly reduce net investment income and, therefore, Common Share dividends; and may prevent or inhibit the Fund from fully being able to liquidate its portfolio at or prior to the Termination Date. See “—Portfolio Level Risks—Municipal Securities Market Risk” and “—Below Investment Grade Risk” above.

No Operating History

The Fund is a newly organized, diversified, closed-end management investment company with no history of operations. As a result, prospective investors have no track record or history upon which to base their investment decision.

Other Risks

Economic and Political Events Risk

The Fund may be more sensitive to adverse economic, business or political developments if it invests a substantial portion of its assets in the bonds of similar projects (such as those relating to the education, health care, housing, transportation, or utilities industries), industrial development bonds, or in particular types of municipal securities (such as general obligation bonds, private activity bonds or moral obligation bonds). Such developments may adversely affect a specific industry or local political and economic conditions, and thus may lead to declines in the bonds’ creditworthiness and value.

Global Economic Risk

National and regional economies and financial markets are becoming increasingly interconnected, which increases the possibilities that conditions in one country, region or market might adversely impact issuers in a different country, region or market. Changes in legal, political, regulatory, tax and economic conditions may cause fluctuations in markets and securities prices around the world, which could negatively impact the value of the Fund’s investments. Major economic or political disruptions, particularly in large economies like China’s, may have global negative economic and market repercussions. Additionally, the aftermath of the war in Iraq, instability in Afghanistan, Pakistan, Egypt, Libya, Syria, Russia, Ukraine and the Middle East, natural and environmental disasters and the spread of infectious illnesses or other public health emergencies, possible terrorist attacks in the United States and around the world, continued tensions between North Korea and the United States and the international community generally, growing social and political discord in the United States, the European debt crisis, the response of the international community—through economic sanctions and otherwise—to Russia’s annexation of the Crimea region of Ukraine and posture vis-a-vis Ukraine, further downgrade of U.S. Government securities, the change in the U.S. president and the new administration and other similar events may adversely affect the global economy and the markets and issuers in which the Fund invests. Recent examples of such events include the outbreak of a novel coronavirus known as COVID-19 that was first detected in China in December 2019 and heightened concerns regarding North Korea’s nuclear weapons and long-range ballistic missile programs. These events could reduce consumer demand or economic output, result in market closure, travel restrictions or quarantines, and generally have a significant impact on the economy. These events could also impair the information technology and other operational systems upon which the Fund’s service providers, including Nuveen Asset Management, rely, and could otherwise disrupt the ability of employees of the Fund’s service providers to perform essential tasks on behalf of the Fund.

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In December 2019, an initial outbreak of COVID-19 was reported and has resulted in numerous deaths and the imposition of both local and more widespread quarantine measures, border closures and other travel restrictions, causing social unrest and commercial disruption on a global scale. In response to the COVID-19 pandemic, central banks and governments have responded with liquidity injections to ease the strain on financial systems and stimulus measures to buffer the shock to businesses and consumers. These measures have helped stabilize the markets over the short term, but volatility will likely remain elevated until the health crisis itself is under control (via fewer new cases, lower infection rates and/or verified treatments). There are still many unknowns and new information is incoming daily, compounding the difficulty of modeling outcomes for epidemiologists and economists alike.

Additionally, the recent outbreak of COVID-19 has adversely impacted global commercial activity and has contributed to significant volatility in certain financial markets. There are no comparable recent events in the U.S. that provide guidance as to the effect of the spread of COVID-19 and a potential pandemic on the economy as a whole and, consequently, the Fund. Accordingly, while there have been proposed, and in some cases enacted, economic stimulus measures aimed at curbing the negative economic impacts to the U.S. and other countries as a result of COVID-19, it cannot be determined at this time whether such stimulus measures will have a stabilizing economic effect.

To the extent the impacts of COVID-19 continue, the Fund may experience negative impacts to its business that could exacerbate other risks to which the Fund is subject, including: (1) issuers of municipal securities could be materially impacted by the COVID-19 pandemic, which may, in turn, negatively affect the value of such securities or such issuers’ ability to make interest payments or distributions to the Fund and result in a decrease in the NAV of the Fund; (2) operational impacts on and availability of key personnel of Nuveen Fund Advisors, Nuveen Asset Management, and/or any of the Fund’s other service providers, vendors and counterparties as they face changed circumstances and/or illness related to the pandemic; and (3) limitations on the Fund’s ability to make distributions or dividends, as applicable, to Common Shareholders.

The Fund does not know and can not predict how long the securities markets may be affected by these events and the effects of these and similar events in the future on the U.S. economy and securities markets. The Fund may be adversely affected by abrogation of international agreements and national laws which have created the market instruments in which the Fund may invest, failure of the designated national and international authorities to enforce compliance with the same laws and agreements, failure of local, national and international organizations to carry out their duties prescribed to them under the relevant agreements, revisions of these laws and agreements which dilute their effectiveness or conflicting interpretation of provisions of the same laws and agreements.

Governmental and quasi-governmental authorities and regulators throughout the world have in the past responded to major economic disruptions with a variety of significant fiscal and monetary policy changes, including but not limited to, direct capital infusions into companies, new monetary programs and dramatically lower interest rates. An unexpected or quick reversal of these policies, or the ineffectiveness of these policies, could increase volatility in securities markets, which could adversely affect the Fund’s investments. See “—Recent Market Conditions” below.

Recent Market Conditions

In response to the financial crisis and recent market events, the United States and other governments and the Federal Reserve and certain foreign central banks have taken steps to support financial markets. Policy and legislative changes by the United States government and the Federal Reserve to assist in the ongoing support of financial markets, both domestically and in other countries, are changing many aspects of financial regulation. The impact of these changes on the markets, and the practical implications for market participants, may not be fully known for some time. In some countries where economic conditions are recovering, such countries are nevertheless perceived as still fragile. Withdrawal of government support, failure of efforts in response to the crisis, or investor perception that such efforts are not succeeding, could adversely impact the value and liquidity

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of certain securities. The severity or duration of adverse economic conditions may also be affected by policy changes made by governments or quasi-governmental organizations, including changes in tax laws and the imposition of trade barriers. The impact of new financial regulation legislation on the markets and the practical implications for market participants may not be fully known for some time. Changes to the Federal Reserve policy, including with respect to certain interest rates, may affect the value, volatility and liquidity of dividend and interest paying securities. Regulatory changes are causing some financial services companies to exit long-standing lines of business, resulting in dislocations for other market participants. In addition, the contentious domestic political environment, as well as political and diplomatic events within the United States and abroad, such as the U.S. government’s inability at times to agree on a long-term budget and deficit reduction plan, the threat of a federal government shutdown and threats not to increase the federal government’s debt limit, may affect investor and consumer confidence and may adversely impact financial markets and the broader economy, perhaps suddenly and to a significant degree. The U.S. government has recently reduced the federal corporate income tax rate, and future legislative, regulatory and policy changes may result in more restrictions on international trade, less stringent prudential regulation of certain players in the financial markets, and significant new investments in infrastructure and national defense. Markets may react strongly to expectations about the changes in these policies, which could increase volatility, especially if the markets’ expectations for changes in government policies are not borne out.

Changes in market conditions will not have the same impact on all types of securities. Interest rates have been unusually low in recent years in the United States and abroad, but there is a consensus that interest rates will increase during the life of the Fund, which could negatively impact the price of debt securities. Because there is little precedent for this situation, it is difficult to predict the impact of a significant rate increase on various markets. For example, because investors may buy securities or other investments with borrowed money, a significant increase in interest rates may cause a decline in the markets for those investments. Because of the sharp decline in the worldwide price of oil, there is a concern that oil producing nations may withdraw significant assets now held in U.S. Treasuries, which could force a substantial increase in interest rates. Regulators have expressed concern that rate increases may cause investors to sell fixed income securities faster than the market can absorb them, contributing to price volatility. In addition, there is a risk that the prices of goods and services in the United States and many foreign economies may decline over time, known as deflation (the opposite of inflation). Deflation may have an adverse effect on stock prices and creditworthiness and may make defaults on debt more likely. If a country’s economy slips into a deflationary pattern, it could last for a prolonged period and may be difficult to reverse.

On June 23, 2016, the United Kingdom (“UK”) held a referendum on whether to remain a member state of the European Union (“EU”), in which voters favored the UK’s withdrawal from the EU, an event widely referred to as “Brexit” and which triggered a two-year period of negotiations on the terms of withdrawal. The formal notification to the European Council required under Article 50 of the Treaty on EU was made on March 29, 2017, following which the terms of exit were negotiated. On January 31, 2020, the UK formally withdrew from the EU. The longer term economic, legal, political and social framework to be put in place between the UK and the EU are unclear at this stage, remain subject to negotiation and are likely to lead to ongoing political and economic uncertainty and periods of exacerbated volatility in both the UK and in wider European markets for some time. The outcomes may cause increased volatility and have a significant adverse impact on world financial markets, other international trade agreements, and the UK and European economies, as well as the broader global economy for some time. Additionally, a number of countries in Europe have suffered terror attacks, and additional attacks may occur in the future. Ukraine has experienced ongoing military conflict; this conflict may expand and military attacks could occur elsewhere in Europe. Europe has also been struggling with mass migration from the Middle East and Africa. The ultimate effects of these events and other socio-political or geographical issues are not known but could profoundly affect global economies and markets.

The current political climate has intensified concerns about a potential trade war between China and the United States, as each country has recently imposed tariffs on the other country’s products. These actions may trigger a significant reduction in international trade, the oversupply of certain manufactured goods, substantial

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price reductions of goods and possible failure of individual companies and/or large segments of China’s export industry, which could have a negative impact on the Fund’s performance. U.S. companies that source material and goods from China and those that make large amounts of sales in China would be particularly vulnerable to an escalation of trade tensions. Uncertainty regarding the outcome of the trade tensions and the potential for a trade war could cause the U.S. dollar to decline against safe haven currencies, such as the Japanese yen and the euro. Events such as these and their consequences are difficult to predict and it is unclear whether further tariffs may be imposed or other escalating actions may be taken in the future.

The impact of these developments in the near- and long-term is unknown and could have additional adverse effects on economies, financial markets and asset valuations around the world.

Legislation and Regulatory Risk

At any time after the date of this prospectus, legislation or additional regulations may be enacted that could negatively affect the assets of the Fund, securities held by the Fund or the issuers of such securities. Changing approaches to regulation may have a negative impact on the entities and/or securities in which the Fund invests. Legislation or regulation may also change the way in which the Fund itself is regulated. Fund shareholders may incur increased costs resulting from such legislation or additional regulation. There can be no assurance that future legislation, regulation or deregulation will not have a material adverse effect on the Fund or will not impair the ability of the Fund to achieve its investment objective.

For example, the Dodd-Frank Act is designed to impose stringent regulation on the over-the-counter derivatives market in an attempt to increase transparency and accountability and provides for, among other things, new clearing, execution, margin, reporting, recordkeeping, business conduct, disclosure, position limit, minimum net capital and registration requirements. Although the CFTC has released final rules under the Dodd-Frank Act, many of the provisions are subject to further final rulemaking, and thus the Dodd-Frank Act’s ultimate impact remains unclear.

The SEC proposed rules governing the use of derivatives by registered investment companies, which could affect the nature and extent of derivatives use by the Fund. The proposed rules have not yet been adopted and therefore the full impact of such rules is uncertain at this time. It is possible that such rules, if adopted, could limit the implementation of the Fund’s use of derivatives, which could have an adverse effect on the Fund.

Additionally, the Fund is operated by persons who have claimed an exclusion, granted to operators of registered investment companies like the Fund, from registration as a “commodity pool operator” under Rule 4.5 promulgated by the CFTC pursuant to its authority under the Commodity Exchange Act (the “CEA”) and, therefore, is not subject to registration or regulation as a “commodity pool operator.” As a result, the Fund is limited in its ability to use commodity futures (which include futures on broad-based securities indexes and interest rate futures) or options on commodity futures, engage in swaps transactions or make certain other investments (whether directly or indirectly through investments in other investment vehicles) for purposes other than bona fide hedging. With respect to transactions other than for bona fide hedging purposes, either: (1) the aggregate initial margin and premiums required to establish the Fund’s positions in such investments may not exceed 5% of the liquidation value of the Fund’s portfolio (after accounting for unrealized profits and unrealized losses on any such investments); or (2) the aggregate net notional value of such instruments, determined at the time the most recent position was established, may not exceed 100% of the liquidation value of the Fund’s portfolio (after accounting for unrealized profits and unrealized losses on any such positions). In addition to meeting one of the foregoing trading limitations, the Fund may not market itself as a commodity pool or otherwise as a vehicle for trading in the futures, options or swaps markets. If the Fund does not continue to claim the exclusion, it would likely become subject to registration and regulation as a commodity pool operator. The Fund may incur additional expenses as a result of the CFTC’s registration and regulatory requirements.

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Anti-Takeover Provisions

The Fund’s Declaration of Trust and By-laws include provisions that could limit the ability of other entities or persons to acquire control of the Fund or convert the Fund to open-end status. These provisions could have the effect of depriving the Common Shareholders of opportunities to sell their Common Shares at a premium over the then-current market price of the Common Shares. See “Certain Provisions in the Declaration of Trust and By-Laws.”

Potential Conflicts of Interest Risk

Nuveen Fund Advisors and Nuveen Asset Management each provide a wide array of portfolio management and other asset management services to a mix of clients and may engage in ordinary course activities in which their respective interests or those of their clients may compete or conflict with those of the Fund. In certain circumstances, and subject to its fiduciary obligations under the Investment Advisers Act of 1940, Nuveen Asset Management may have to allocate a limited investment opportunity among its clients, which include closed-end funds, open-end funds and other commingled funds. Nuveen Fund Advisors and Nuveen Asset Management have each adopted policies and procedures designed to address such situations and other potential conflicts of interests.

For additional information about potential conflicts of interest, and the way in which Nuveen Fund Advisors and Nuveen Asset Management address such conflicts, please see “Subadviser—Nuveen Asset Management Conflict of Interest Policies” in the SAI.

Litigation Risk

From time to time, the Fund, Nuveen Fund Advisors and Nuveen Asset Management may be subject to pending or threatened litigation or regulatory action. Some of these claims may result in significant defense costs and potentially significant judgments. The ultimate outcome of any potential litigation or regulatory action or any claims that may arise in the future cannot be predicted and the reputation of the Fund, Nuveen Fund Advisors and/or Nuveen Asset Management could be damaged as a result. Certain litigation or regulatory scrutiny could materially adversely affect the Fund. The resolution of certain claims may result in significant fines, judgments, or settlements, which, if partially or completely uninsured, could adversely impact the Fund or the ability of Nuveen Fund Advisors and/or Nuveen Asset Management to perform their duties to the Fund.

On May 1, 2020, an action was filed in Delaware state court against Nuveen Asset Management, Nuveen Securities, Nuveen and other Nuveen affiliates, alleging that certain individuals employed by Nuveen or its affiliates made a series of threatening, anticompetitive and defamatory statements against the plaintiff, a municipal bond market investor. The plaintiff has sought compensatory and punitive damages and costs, based on a claim of defamation. The result of this litigation cannot be predicted. In the event of a judgment adverse to Nuveen and its affiliates, including Nuveen Securities and Nuveen Asset Management, the reputation of Nuveen or its affiliates may be damaged.

The following risks are not considered to be principal risks of investing in the Fund:

Income Risk

The Fund’s income could decline due to falling market interest rates. This is because, in a falling interest rate environment, the Fund generally will have to invest the proceeds from sales of Fund shares, as well as the proceeds from maturing portfolio securities, in lower-yielding securities.

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Deflation Risk

Deflation risk is the risk that prices throughout the economy decline over time, which may have an adverse effect on the market valuation of companies, their assets and revenues. In addition, deflation may have an adverse effect on the creditworthiness of issuers and may make issuer default more likely, which may result in a decline in the value of the Fund’s portfolio.

Borrowing Risk

In addition to borrowing for leverage (see “Leverage”), the Fund may borrow for temporary or emergency purposes, to pay dividends, repurchase its shares, or clear portfolio transactions. Borrowing may exaggerate changes in the NAV of the Fund’s shares and may affect the Fund’s net income. When the Fund borrows money, it must pay interest and other fees, which will reduce the Fund’s returns if such costs exceed the returns on the portfolio securities purchased or retained with such borrowings. Any such borrowings are intended to be temporary. However, under certain market circumstances, such borrowings might be outstanding for longer periods of time.

Cybersecurity Risk

Technology, such as the internet, has become more prevalent in the course of business, and as such, the Fund and its service providers are susceptible to operational and information security risk resulting from cyber incidents. Cyber incidents refer to both intentional attacks and unintentional events including: processing errors, human errors, technical errors including computer glitches and system malfunctions, inadequate or failed internal or external processes, market-wide technical-related disruptions, unauthorized access to digital systems (through “hacking” or malicious software coding), computer viruses, and cyber-attacks which shut down, disable, slow or otherwise disrupt operations, business processes or website access or functionality (including denial of service attacks). Cyber incidents could adversely impact the Fund and cause the Fund to incur financial loss and expense, as well as face exposure to regulatory penalties, reputational damage, and additional compliance costs associated with corrective measures. Cyber incidents may cause a Fund or its service providers to lose proprietary information, suffer data corruption, lose operational capacity or fail to comply with applicable privacy and other laws. Among other potentially harmful effects, cyber incidents also may result in theft, unauthorized monitoring and failures in the physical infrastructure or operating systems that support the Fund and its service providers. In addition, substantial costs may be incurred in order to prevent any cyber incidents in the future. While the Fund’s service providers have established business continuity plans in the event of, and risk management systems to prevent, such cyber incidents, there are inherent limitations in such plans and systems including the possibility that certain risks have not been identified. Furthermore, the Fund cannot control the cybersecurity plans and systems put in place by its service providers or any other third parties whose operations may affect the Fund.

Certain Affiliations

Certain broker-dealers may be considered to be affiliated persons of the Fund, Nuveen Fund Advisors, Nuveen Asset Management, Nuveen and/or TIAA. Absent an exemption from the SEC or other regulatory relief, the Fund generally is precluded from effecting certain principal transactions with affiliated brokers, and its ability to purchase securities being underwritten by an affiliated broker or a syndicate including an affiliated broker, or to utilize affiliated brokers for agency transactions, is subject to restrictions. The Fund has not applied for and does not currently intend to apply for such relief. This could limit the Fund’s ability to engage in securities transactions and take advantage of market opportunities. In addition, unless and until the underwriting syndicate is broken in connection with the initial public offering of the Common Shares, the Fund will be precluded from effecting principal transactions with brokers who are members of the syndicate.

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Unrated Securities Risk

The Fund may purchase securities that are not rated by any rating organization. Nuveen Asset Management may, after assessing such securities’ credit quality, internally assign ratings to certain of those securities in categories similar to those of rating organizations. Some unrated securities may not have an active trading market or may be difficult to value, which means the Fund might have difficulty selling them promptly at an acceptable price. To the extent that the Fund invests in unrated securities, the Fund’s ability to achieve its investment objective will be more dependent on Nuveen Asset Management’s credit analysis than would be the case when the Fund invests in rated securities.

Risks in Valuation

The Fund utilizes independent pricing services approved by the Board of Trustees to value portfolio instruments at their market value. If the pricing services are unable to provide a market value or if a significant event occurs such that the valuation(s) provided are deemed unreliable, the Fund may value portfolio instrument(s) at their fair value, which is generally the amount an owner might reasonably expect to receive upon a current sale. Valuation risks associated with investing in below investment grade debt instruments including, but not limited to: a limited number of market participants, a lack of publicly-available information, resale restrictions, settlement delays, corporate actions and adverse market conditions may make it difficult to value or sell such instruments. Because non-U.S. instruments may trade on days when Common Shares are not priced or traded, NAV can change at times when Common Shares cannot be sold.

Asset Segregation Risk

Certain portfolio management techniques, such as, among other things, using reverse repurchase agreements, purchasing securities on a when-issued or delayed delivery basis or entering into swap agreements, futures contracts or other derivative transactions, create leverage or its effect, and may be considered “senior securities’” (as that term is defined under the 1940 Act). To avoid having these instruments considered “senior securities,” the Fund may maintain liquid assets with its custodian in an amount with a value at least equal (on a daily market value basis or notional value basis, as applicable) to the aggregate amount of its obligations under these types of leveraging transactions (often referred to as “asset segregation”), enter into offsetting transactions, or otherwise “cover” certain transactions, in accordance with the 1940 Act, the rules thereunder, and applicable positions of the SEC and its staff. See “Portfolio Composition and Other Information—Asset Segregation” above. In the event that the Fund is unable to maintain sufficient assets, or otherwise “cover,” any open positions, a portion or all of these instruments will be classified as a “senior security” for 1940 Act purposes and be subject to certain limitations on “senior securities” under the 1940 Act. See “Leverage” above. The Fund may be restricted in its use of assets that are maintained for “asset segregation,” or committed as “cover,” for certain other purposes, which could result in the Fund earning a lower return on its portfolio than it might otherwise earn if it did not have to maintain those assets in respect of, or otherwise “cover,” such portfolio positions. To the extent the Fund’s assets are maintained or committed as “cover,” it could limit the Fund’s investment flexibility. Maintaining assets and covering positions will not limit or offset losses on the related leveraging positions.

Counterparty Risk

The Fund will be subject to credit risk with respect to the counterparties to the derivative transactions entered into by the Fund. Changes in the credit quality of the companies that serve as the Fund’s counterparties with respect to derivatives transactions may affect the value of those instruments. Because certain derivative transactions in which the Fund may engage may be traded between counterparties based on contractual relationships, the Fund is subject to the risk that a counterparty will not perform its obligations under the related contracts. If a counterparty becomes bankrupt or otherwise becomes unable to perform its obligations due to financial difficulties the Fund may sustain losses (including the full amount of its investment), may be unable to liquidate a derivatives position or may experience significant delays in obtaining any recovery in bankruptcy or other reorganization proceedings. By entering into derivatives transactions, the Fund assumes the risk that its

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counterparties could experience such financial hardships. Although the Fund intends to enter into transactions only with counterparties that Nuveen Fund Advisors believes to be creditworthy, there can be no assurance that a counterparty will not default and that the Fund will not sustain a loss on a transaction. In the event of a counterparty’s bankruptcy or insolvency, any collateral posted by the Fund in connection with a derivatives transaction may be subject to the conflicting claims of that counterparty’s creditors, and the Fund may be exposed to the risk of a court treating the Fund as a general unsecured creditor of the counterparty, rather than as the owner of the collateral.

The counterparty risk for cleared derivatives is generally lower than for uncleared OTC derivative transactions. In a cleared derivative transaction, generally, a clearing organization becomes substituted for each counterparty to a cleared derivative contract and each party to a trade looks only to the clearing organization for performance of financial obligations under the derivative contract. In effect, the clearing organization guarantees a party’s performance under the contract. However, there can be no assurance that a clearing organization, or its members, will satisfy its obligations to the Fund, or that the Fund would be able to recover the full amount of assets deposited on its behalf with the clearing organization in the event of the default by the clearing organization or the Fund’s clearing broker. In addition, cleared derivative transactions benefit from daily marking-to-market and settlement, and segregation and minimum capital requirements applicable to intermediaries. Uncleared OTC derivative transactions generally do not benefit from such protections. As a result, for uncleared OTC derivative transactions, there is the risk that a counterparty will not settle a transaction in accordance with its terms and conditions because of a dispute over the terms of the contract (whether or not bona fide) or because of a credit or liquidity problem, thus causing the Fund to suffer a loss. This risk is heightened for contracts with longer maturities where events may intervene to prevent settlement, or where the Fund has concentrated its transactions with a single or small group of counterparties.

Risks Related to the Fund’s Clearing Broker and Central Clearing Counterparty

The CEA requires swaps and futures clearing brokers registered as “futures commission merchants” to segregate all funds received from customers with respect to any orders for the purchase or sale of U.S. domestic futures contracts and cleared swaps from the brokers’ proprietary assets. Similarly, the CEA requires each futures commission merchant to hold in separate secure accounts all funds received from customers with respect to any orders for the purchase or sale of foreign futures contracts and cleared swaps and segregate any such funds from the funds received with respect to domestic futures contracts. However, all funds and other property received by a clearing broker from its customers are held by the clearing broker on a commingled basis in an omnibus account and may be invested in certain instruments permitted under applicable regulations. There is a risk that assets deposited by the Fund with any swaps or futures clearing broker as margin for futures contracts or cleared swaps may, in certain circumstances, be used to satisfy losses of other clients of the Fund’s clearing broker. In addition, the assets of the Fund might not be fully protected in the event of the Fund’s clearing broker’s bankruptcy, as the Fund would be limited to recovering only a pro rata share of all available funds segregated on behalf of the clearing broker’s customers for the relevant account class.

Similarly, the CEA requires a clearing organization approved by the CFTC as a derivatives clearing organization to segregate all funds and other property received from a clearing member’s clients in connection with domestic cleared derivative contracts from any funds held at the clearing organization to support the clearing member’s proprietary trading. Nevertheless, all customer funds held at a clearing organization in connection with any futures contracts are held in a commingled omnibus account and are not identified to the name of the clearing member’s individual customers. All customer funds held at a clearing organization with respect to cleared swaps of customers of a clearing broker are also held in an omnibus account, but CFTC rules require that the clearing broker notify the clearing organization of the amount of the initial margin provided by the clearing broker to the clearing organization that is attributable to each customer. With respect to futures and options contracts, a clearing organization may use assets of a non-defaulting customer held in an omnibus account at the clearing organization to satisfy payment obligations of a defaulting customer of the clearing member to the clearing organization. With respect to cleared swaps, a clearing organization generally cannot do

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so, but may do so if the clearing member does not provide accurate reporting to the clearing organization as to the attribution of margin among its clients. Also, since clearing brokers generally provide to clearing organizations the net amount of variation margin required for cleared swaps for all of its customers in the aggregate, rather than the gross amount of each customer, the Fund is subject to the risk that a clearing organization will not make variation margin payments owed to the Fund if another customer of the clearing member has suffered a loss and is in default. As a result, in the event of a default or the clearing broker’s other clients or the clearing broker’s failure to extend its own funds in connection with any such default, the Fund may not be able to recover the full amount of assets deposited by the clearing broker on behalf of the Fund with the clearing organization.

Portfolio Turnover Risk

The Fund’s annual portfolio turnover rate may vary greatly from year to year, as well as within a given year. The portfolio turnover rate is not considered a limiting factor in the execution of investment decisions for the Fund. High portfolio turnover may result in the realization of net short-term capital gains by the Fund which, when distributed to Shareholders, will be taxable as ordinary income. In addition, a higher portfolio turnover rate results in correspondingly greater brokerage and other transactional expenses that are borne by the Fund.

Rating Agencies Risk

Rating agencies may fail to make timely changes in credit ratings and an issuer’s current financial condition may be better or worse than a rating indicates. In addition, rating agencies are subject to an inherent conflict of interest because they are often compensated by the same issuers whose securities they grade.

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MANAGEMENT OF THE FUND

Trustees and Officers

The Board of Trustees is responsible for the Fund’s management, including supervision of the duties performed by Nuveen Fund Advisors and Nuveen Asset Management. The names and business addresses of the Fund’s trustees and officers and their principal occupations and other affiliations during the past five years are set forth under “Management of the Fund” in the SAI.

Investment Adviser and Subadviser

The Investment Adviser.    Nuveen Fund Advisors, a registered investment adviser, is responsible for overseeing the Fund’s overall investment strategy and its implementation. Nuveen Fund Advisors also is responsible for the ongoing monitoring of Nuveen Asset Management, overseeing the Fund’s use of leverage, managing the Fund’s business affairs and providing certain clerical, bookkeeping and other administrative services to the Fund. Nuveen Fund Advisors is located at 333 West Wacker Drive, Chicago, IL 60606.

Nuveen Fund Advisors is an indirect subsidiary of Nuveen, the investment management arm of TIAA. TIAA is a life insurance company founded in 1918 by the Carnegie Foundation for the Advancement of Teaching and is the companion organization of College Retirement Equities Fund. As of March 31, 2020, Nuveen managed approximately $957.3 billion in assets, of which approximately $138.1 billion was managed by Nuveen Fund Advisors.

Subadviser.    Nuveen Asset Management, a registered investment adviser, is the Fund’s subadviser responsible for investing the Fund’s Managed Assets. Nuveen Asset Management is a subsidiary of Nuveen Fund Advisors.

Portfolio Managers.    John Miller and Timothy Ryan will serve as the Fund’s portfolio managers.

John Miller serves as the head of Nuveen Municipals for Nuveen Asset Management, responsible for the investment process and performance of the firm’s municipal fixed income group. He is also the lead manager of the High Yield Municipal Bond Strategy, the California High Yield Municipal Bond Strategy, and related institutional portfolios. In addition, he co-manages the All-American Municipal Bond Strategy and the Strategic Municipal Opportunities Strategy and oversees a number of closed-end funds. As the head of Nuveen Municipals, Mr. Miller leads Nuveen Asset Management’s ongoing legacy as one of the largest and most experienced municipal bond managers in the investment industry. Mr. Miller also oversees Nuveen Asset Management’s actively managed investment approach that is firmly rooted in rigorous, bottom-up credit research to help identify attractively valued municipal bond investments.

Mr. Miller’s background features over 20 years of experience in the municipal marketplace. Before being named the co-head of Nuveen Municipals in 2011, he was chief investment officer for the firm’s municipal bond team starting in 2007. He was named a managing director and head of portfolio management for Nuveen Asset Management in 2006. Mr. Miller earned a B.A. in economics and political science from Duke University, an M.A. in economics from Northwestern University and an M.B.A. in finance with honors from the University of Chicago. He holds the Chartered Financial Analyst designation and is a member of the CFA Institute and the CFA Society of Chicago.

Timothy Ryan serves as Nuveen’s portfolio manager for the SPDR Nuveen ETFs as well as several institutional portfolios. Mr. Ryan is also the lead portfolio manager for the Strategic Municipal Opportunities strategy and co-manager for the All-American Municipal Bond strategy.

Mr. Ryan began his municipal career in 1983 in public finance, later switching to asset management in 1991. From 2003 until he joined Nuveen Asset Management in 2010, he was a vice president and head of the municipal unit at State Street Global Advisors. Mr. Ryan graduated with a B.S. from the University of Wisconsin

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and a M.A. in Management from the J.L. Kellogg Graduate School of Management at Northwestern University. Mr. Ryan also holds the Chartered Financial Analyst designation and is a member of the CFA Institute.

Additional information about the portfolio managers’ compensation, other accounts managed by Nuveen Fund Advisors and Nuveen Asset Management, and other information is provided in the SAI. The SAI is available free of charge by calling (800) 257-8787 or by visiting Nuveen Investment’s website at www.nuveen.com.

Investment Management and Subadvisory Agreements

Pursuant to an investment management agreement between Nuveen Fund Advisors and the Fund, the Fund will pay Nuveen Fund Advisors an annual management fee, payable monthly in arrears, in a maximum amount equal to 0.90% of the Fund’s average daily Managed Assets. This maximum fee is equal to the sum of a fund-level fee, with breakpoints based only on the amount of assets within the Fund, and a complex-level fee, with breakpoints based upon the aggregate amount of all eligible assets of all Nuveen Funds, as described below, according to the following schedule.

Fund-Level Fee.    The annual fund-level fee, payable monthly, shall be applied according to the following schedule:

Complex-Level Fee.    The annual complex-level fee for the Fund, payable monthly, is calculated by multiplying the current complex-wide fee rate, determined according to the following schedule, by the Fund’s daily Managed Assets:

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Based on eligible assets as of March 31, 2020 the complex-level fee would be 0.1590% of Managed Assets, and the total annual management fee to Nuveen Fund Advisors would be 0.8590% of Managed Assets.

In addition to Nuveen Fund Advisors’ management fee, the Fund pays all other costs and expenses of its operations, including compensation of its trustees (other than those affiliated with Nuveen), custodian, transfer agency and dividend disbursing expenses, legal fees, expenses of its independent registered accounting firm, expenses of repurchasing Common Shares, expenses of preparing, printing and distributing shareholder reports, notices, proxy statements and reports to governmental agencies, listing fees and taxes, if any. All fees and expenses are accrued daily and deducted before payment of distributions to shareholders.

Separately, pursuant to an investment sub-advisory agreement between Nuveen Fund Advisors and Nuveen Asset Management, Nuveen Fund Advisors will pay Nuveen Asset Management a portfolio management fee equal to 50% of the investment management fee paid on the Fund’s average daily Managed Assets.

The basis for the Board of Trustees’ initial approval of the Fund’s investment management agreement and sub-advisory agreement will be provided in the Fund’s initial shareholder report. The basis for subsequent continuations of the Fund’s investment management agreement and sub-advisory agreement will be provided in annual or semiannual reports to shareholders for the periods during which such continuations occur.

NET ASSET VALUE

The Fund’s NAV is determined as of the close of regular session trading (normally 4:00 p.m. Eastern Time) on each day the New York Stock Exchange (“NYSE”) is open for business. The Fund’s NAV is calculated by taking the market value of the Fund’s total assets, including interest or dividends accrued but not yet collected, less all liabilities, and dividing by the total number of Common Shares outstanding. The result, rounded to the nearest cent, is the NAV. All valuations are subject to review by the Fund’s Board of Trustees or its delegate.

The Fund utilizes independent pricing services approved by the Board of Trustees to value portfolio instruments at their market value. If the pricing services are unable to provide a market value or if a significant event occurs such that the valuation(s) provided are deemed unreliable, the Fund may value portfolio instrument(s) at their fair value, which is generally the amount that an owner might reasonably expect to receive upon a current sale. Independent pricing services typically value non-equity portfolio instruments utilizing a range of market-based inputs and assumptions, including readily available market quotations obtained from broker-dealers making markets in such instruments, cash flows and transactions for comparable instruments. In valuing municipal securities, the pricing services may also consider, among other factors, the yields or prices of municipal securities of comparable quality, type of issue, coupon, maturity and rating and the obligor’s credit characteristics considered relevant by the pricing service or the Board of Trustees’ designee. In pricing certain securities, particularly less liquid and lower quality securities, the pricing services may consider information about a security, its issuer or market activity provided by Nuveen Fund Advisors or Nuveen Asset Management.

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If a price cannot be obtained from a pricing service or other pre-approved source, or if Nuveen Fund Advisors deems such price to be unreliable, or if a significant event occurs after the close of the local market but prior to the time at which the Fund’s NAV is calculated, a portfolio instrument will be valued at its fair value as determined in good faith by the Board of Trustees or persons acting at their direction. Nuveen Fund Advisors may determine that a price is unreliable in various circumstances. For example, a price may be deemed unreliable if it has not changed for an identified period of time, or has changed from the previous day’s price by more than a threshold amount, and recent transactions and/or broker dealer price quotations differ materially from the price in question.

The valuations for fixed-income securities and certain derivative instruments are typically the prices supplied by independent third party pricing services, which may use market prices or broker/dealer quotations or a variety of fair valuation techniques and methodologies. Short-term fixed-income securities that will mature in 60 days or less are valued at amortized cost, unless it is determined that using this method would not reflect an investment’s fair value. The valuations of certain fixed-income securities will generally be based on prices determined as of the earlier closing time of the markets on which they primarily trade, unless a significant event has occurred.

The Board of Trustees has adopted valuation procedures for the Fund and has delegated the day-to-day responsibility for fair value determinations to Nuveen Fund Advisors’ Valuation Committee. All fair value determinations made by the Valuation Committee are subject to review and ratification by the Board of Trustees. As a general principle, the fair value of a portfolio instrument is the amount that an owner might reasonably expect to receive upon the instrument’s current sale. A range of factors and analysis may be considered when determining fair value, including relevant market data, interest rates, credit considerations and/or issuer specific news. However, fair valuation involves subjective judgments and it is possible that the fair value determined for a portfolio instrument may be materially different from the value that could be realized upon the sale of that instrument.

DISTRIBUTIONS

The Fund will pay monthly distributions stated in terms of a fixed cents per Common Share that would be composed of net investment income and supplemental amounts generally representing realized capital gains or, possibly, returns of capital representing unrealized capital gains. Monthly distributions, including such supplemental amounts, are sometimes referred to as “managed distributions.” The Fund’s managed distribution policy is pursuant to an exemptive order issued by the SEC, which permits the Fund to distribute long-term capital gains to shareholders more frequently than once per year. The Fund will seek to establish a Common Share distribution rate that roughly corresponds to Nuveen Fund Advisors’ projections of the total return that could reasonably be expected to be generated by the Fund’s Common Shares over an extended period of time, although the distribution rate will not be solely dependent on the amount of income earned or capital gains realized. Nuveen Fund Advisors, in making such projections, may consider long-term historical returns and a variety of other factors. Distributions can only be made after paying any interest and required principal payments on borrowings, if any, and any accrued dividends to preferred shareholders, if any.

If, for any monthly distribution, net investment income and net realized capital gains were less than the amount of the distribution, the difference would be distributed from the Fund’s assets. In order to raise cash for such distributions, the Fund expects to sell portfolio securities. Such portfolio sales may occur at a time when independent investment judgment might not dictate such action. The Fund’s final distribution for each calendar year may include any remaining net investment income and net realized capital gains not distributed during the year.

The Fund’s actual financial performance will likely vary significantly from month-to-month and from year-to-year, and there may be extended periods when the distribution rate will exceed the Fund’s actual total returns. The Fund’s projected or actual distribution rate is not a prediction of what the Fund’s actual total returns will be over any specific future period.

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As portfolio and market conditions change, the rate of distributions on the Common Shares and the Fund’s distribution policy could change. To the extent that the total return of the Fund’s overall strategy exceeds the distribution rate for an extended period, the Fund may be in a position either to increase the distribution rate or to distribute supplemental amounts to shareholders, or both. Conversely, if the total return of the Fund’s overall strategy is less than the distribution rate for an extended period of time, the Fund will effectively be drawing upon its assets to meet payments prescribed by its distribution policy. Similarly, for tax purposes such distributions by the Fund may consist in part of a return of capital to Common Shareholders. The exact tax characteristics of the Fund’s Common Share distributions will not be known until after the Fund’s fiscal year-end. Common Shareholders should not confuse a return of capital distribution with “dividend yield” or “total return.” At the same time that it pays a monthly distribution, the Fund will post on its website (www.nuveen.com/cef), and make available in written form to holders of its Common Shares, a notice of the estimated sources and tax characteristics of the Fund’s distributions (i.e., what percentage of the distributions is estimated to constitute ordinary income, short-term capital gains, long-term capital gains, and/or a non-taxable return of capital) on a year-to-date basis, in compliance with a federal securities law requirement that any fund paying a distribution from sources other than net investment income disclose to shareholders the respective portion attributable to such other sources. These estimates may be based on certain assumptions about the Fund’s expected investment returns and the realization of net gains, if any, over the remaining course of the year. These estimates may, and likely will, vary over time based on the activities of the Fund and changes in the value of portfolio investments. The final determination of the source and tax characteristics of all distributions will be made after December 31 in each year, and reported to Common Shareholders on Form 1099-DIV early the following year.

As explained more fully below in “Tax Matters,” the Fund intends to distribute to Common Shareholders any net capital gain (which is the excess of net long-term capital gain over net short-term capital loss) for each taxable year through its managed distributions or, alternatively, to retain all or a portion of the year’s net capital gain and pay federal income tax on the retained gain. Because the Fund’s portfolio turnover is expected to be higher than that of a traditional municipal bond fund, it is expected that a greater percentage of each distribution would be attributable to capital appreciation rather than to tax-exempt income and unlike a distribution attributable to tax-exempt income a distribution attributable to capital appreciation would be subject to tax depending on a shareholder’s situation. Each Common Shareholder of record as of the end of the Fund’s taxable year will include in income for federal income tax purposes, as long-term capital gain, his or her share of any retained gain, will be deemed to have paid his or her proportionate share of the tax paid by the Fund on such retained gain (provided that the Fund designates such retained gain for inclusion by such Common Shareholder), and will be entitled to an income tax credit or refund for that share of the tax. The Fund may treat any retained capital gain amount as a substitute for equivalent cash distributions. In addition, the Fund may make total Common Share distributions during a given calendar year in an amount that exceeds the Fund’s net investment income and net realized long-term capital gains for that calendar year, in which case the excess will generally be treated by Common Shareholders as return of capital for tax purposes. A return of capital reduces a shareholder’s tax basis (but not below zero), which could result in more taxable gain when the shareholder sells his or her shares. This may cause the shareholder to pay taxes even if he or she sells shares for less than the original price.

The Fund reserves the right to change its distribution policy and the basis for establishing the rate of its monthly Common Share distributions at any time upon notice to Common Shareholders, upon a determination by the Fund’s Board of Trustees that such change is in the best interests of the Fund and its Common Shareholders.

DIVIDEND REINVESTMENT PLAN

If your Common Shares are registered directly with the Fund or if you hold your Common Shares with a brokerage firm that participates in the Fund’s Dividend Reinvestment Plan (the “Plan”), your distributions, including any capital gain distributions, will automatically be reinvested in additional Common Shares under the Plan unless you request otherwise. If you elect not to participate in the Plan, or are not eligible to participate because your brokerage firm does not participate in the Plan, you will receive all distributions in cash paid by check mailed directly to you or your brokerage firm by Computershare, as dividend paying agent. The tax consequences of a distribution are the same regardless of whether such distribution is reinvested or received in cash. See “Tax Matters.”

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Under the Plan, the number of Common Shares you will receive will be determined as follows:

(1) If the Common Shares are trading at or above NAV at the time of valuation, the Fund will issue new shares at a price equal to the greater of (i) NAV per Common Share on that date or (ii) 95% of the market price on that date.

(2) If Common Shares are trading below NAV at the time of valuation, Computershare (the “Plan Agent”) will receive the dividend or distribution in cash and will purchase Common Shares in the open market, on the NYSE or elsewhere, for the participants’ accounts. It is possible that the market price for the Common Shares may increase before the Plan Agent has completed its purchases. Therefore, the average purchase price per share paid by the Plan Agent may exceed the market price at the time of valuation, resulting in the purchase of fewer shares than if the dividend or distribution had been paid in Common Shares issued by the Fund. The Plan Agent will use all dividends and distributions received in cash to purchase Common Shares in the open market within 30 days of the valuation date. Interest will not be paid on any uninvested cash payments. The Plan provides that if Common Shares start trading at or above NAV before the Plan Agent has completed its purchases, the Plan Agent may cease purchasing Common Shares in the open market, and may invest the uninvested portion in new shares at a price equal to the greater of (i) NAV per Common Share determined on the last business day immediately prior to the purchase date or (ii) 95% of the market price on that date.

You may withdraw from the Plan at any time by giving written notice to the Plan Agent. If you withdraw or the Plan is terminated, you will receive whole shares in your account under the Plan and you will receive a cash payment for any fraction of a share in your account. If you wish, the Plan Agent will sell your shares and send you the proceeds, minus brokerage commissions and a $2.50 service fee.

The Plan Agent maintains all shareholders’ accounts in the Plan and gives written confirmation of all transactions in the accounts, including information you may need for tax records. Common Shares in your account will be held by the Plan Agent in non-certificated form. Any proxy you receive will include all Common Shares you have received under the Plan.

There is no brokerage charge for reinvestment of your dividends or distributions in Common Shares. However, all participants will pay a pro rata share of brokerage commissions incurred by the Plan Agent when it makes open market purchases.

Automatically reinvesting dividends and distributions does not mean that you do not have to pay income taxes due upon receiving dividends and distributions.

As noted above, if you hold your Common Shares with a brokerage firm that does not participate in the Plan, you will not be able to participate in the Plan and any dividend reinvestment may be effected on different terms than those described above. Consult your financial advisor for more information.

The Fund reserves the right to amend or terminate the Plan if in the judgment of the Board of Trustees the change is warranted. There is no direct service charge to participants in the Plan; however, the Fund reserves the right to amend the Plan to include a service charge payable by the participants. Additional information about the Plan may be obtained from Computershare, P.O. Box 505000, Louisville, Kentucky, 40233-5000, (800) 257-8787.

DESCRIPTION OF SHARES AND DEBT

Common Shares

The Fund’s Declaration of Trust authorizes the issuance of an unlimited number of Common Shares. The Common Shares being offered have a par value of $0.01 per share and have equal rights to the payment of

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dividends and the distribution of assets upon liquidation of the Fund. The Common Shares being offered will, when issued, be fully paid and, subject to matters discussed under “Certain Provisions in the Declaration of Trust and By-Laws,” non-assessable, and will have no preemptive or conversion rights, except as the Board of Trustees may otherwise determine, or rights to cumulative voting. The Declaration of Trust provides that each whole Common Share shall be entitled to one vote as to any matter on which it is entitled to vote and each fractional Common Share shall be entitled to a proportionate fractional vote. If the Fund issues Preferred Shares, the Common Shareholders will not be entitled to receive any cash distributions from the Fund unless all accrued dividends on Preferred Shares have been paid, and unless asset coverage (as defined in the 1940 Act) with respect to Preferred Shares would be at least 200% after giving effect to the distributions. The Fund pays monthly dividends, typically on the first business day of the following month.

It is expected that the Fund’s Common Shares will be approved for listing on the NYSE and will trade under the ticker symbol “NDMO.” The Fund intends to hold annual meetings of shareholders so long as the Common Shares are listed on a national securities exchange and such meetings are required as a condition to such listing. The Fund will not issue share certificates.

Unlike open-end funds, closed-end funds like the Fund do not continuously offer shares and do not provide daily redemptions. Rather, if a Common Shareholder determines to buy additional Common Shares or sell shares already held, the Common Shareholder may conveniently do so by trading on the exchange through a broker or otherwise. Shares of closed-end investment companies may frequently trade on an exchange at prices lower than NAV. Shares of closed-end investment companies like the Fund have, during some periods, traded at prices higher than NAV and, during other periods, have traded at prices lower than NAV. Because the market value of the Common Shares may be influenced by such factors as dividend levels (which are in turn affected by expenses), dividend stability, NAV, relative demand for and supply of such shares in the market, general market and economic circumstances, and other factors beyond the Fund’s control, the Fund cannot guarantee you that Common Shares will trade at a price equal to or higher than NAV in the future. See “Repurchase of Fund Shares; Conversion to Open-End Fund” in this prospectus and in the SAI.

The following provides information about the Fund’s outstanding Common Shares as of June 15, 2020:

Preferred Shares

The Fund’s Declaration of Trust authorizes the issuance of an unlimited number of Preferred Shares in one or more classes or series, with rights as determined by the Board of Trustees, by action of the Board of Trustees without the approval of the Common Shareholders. The terms of any Preferred Shares that may be issued by the Fund may be the same as, or different from, the terms described below, subject to applicable law and the Declaration of Trust.

Under the 1940 Act, the Fund is not permitted to issue “senior securities” that are Preferred Shares if, immediately after the issuance of Preferred Shares, the asset coverage ratio would be less than 200%. See “Leverage.” Additionally, the Fund will generally not be permitted to purchase any of its Common Shares or declare dividends (except a dividend payable in Common Shares) or other distributions on its Common Shares

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unless, at the time of such purchase or declaration, the asset coverage ratio with respect to such Preferred Shares, after taking into account such purchase or distribution, is at least 200%.

Distribution Preference.    Any Preferred Shares would have complete priority over the Common Shares as to distribution of assets.

Liquidation Preference.    In the event of any voluntary or involuntary liquidation, dissolution or winding up of the affairs of the Fund, holders of Preferred Shares would be entitled to receive a preferential liquidating distribution (expected to equal the original purchase price per share plus accumulated and unpaid dividends thereon, whether or not earned or declared) before any distribution of assets is made to Common Shareholders. After payment of the full amount of the liquidating distribution to which they are entitled, holders of Preferred Shares will not be entitled to any further participation in any distribution of assets by the Fund. A consolidation or merger of the Fund with or into another entity or a sale of all or substantially all of the assets of the Fund shall not be deemed to be a liquidation, dissolution or winding up of the Fund.

Voting Rights.    In connection with any issuance of Preferred Shares, the Fund must comply with Section 18(i) of the 1940 Act, which requires, among other things, that Preferred Shares be voting shares and have equal voting rights with Common Shares. Except as otherwise indicated in the SAI and except as otherwise required by applicable law, holders of Preferred Shares would vote together with Common Shareholders as a single class.

In connection with the election of the Fund’s trustees, holders of Preferred Shares, voting as a separate class, would be entitled to elect two of the Fund’s trustees, and the remaining trustees would be elected by Common Shareholders and holders of Preferred Shares, voting together as a single class. In addition, if at any time dividends on the Fund’s outstanding Preferred Shares would be unpaid in an amount equal to two full years’ dividends thereon, the holders of all outstanding Preferred Shares, voting as a separate class, would be entitled to elect a majority of the Fund’s trustees until all dividends in arrears have been paid or declared and set apart for payment.

The affirmative vote of the holders of a majority of the Fund’s outstanding Preferred Shares of any class or series, as the case may be, voting as a separate class, would be required to, among other things, (1) take certain actions that would affect the preferences, rights, or powers of such class or series or (2) authorize or issue any class or series ranking prior to the Preferred Shares. Except as may otherwise be required by law, (1) the affirmative vote of the holders of at least two-thirds of the Fund’s Preferred Shares outstanding at the time, voting as a separate class, would be required to approve any conversion of the Fund from a closed-end to an open-end investment company and (2) the affirmative vote of the holders of at least two-thirds of the outstanding Preferred Shares, voting as a separate class, would be required to approve any plan of reorganization (as such term is used in the 1940 Act) adversely affecting such shares; provided however, that such separate class vote would be a majority vote if the action in question has previously been approved, adopted or authorized by the affirmative vote of two-thirds of the total number of trustees fixed in accordance with the Declaration of Trust or the By-laws. The affirmative vote of the holders of a majority of the outstanding Preferred Shares, voting as a separate class, would be required to approve any action not described in the preceding sentence requiring a vote of security holders under Section 13(a) of the 1940 Act including, among other things, changes in the Fund’s investment objective or changes in the investment restrictions described as fundamental policies under “Investment Restrictions” in the SAI. The class or series vote of holders of Preferred Shares described above would in each case be in addition to any separate vote of the requisite percentage of Common Shares and Preferred Shares necessary to authorize the action in question.

The foregoing voting provisions would not apply with respect to the Fund’s Preferred Shares if, at or prior to the time when a vote was required, such shares would have been (1) redeemed or (2) called for redemption and sufficient funds would have been deposited in trust to effect such redemption.

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Redemption, Purchase and Sale of Preferred Shares.    The terms of the Preferred Shares may provide that they are redeemable by the Fund at certain times, in whole or in part, at the original purchase price per share plus accumulated dividends, that the Fund may tender for or purchase Preferred Shares and that the Fund may subsequently resell any shares so tendered for or purchased. Any redemption or purchase of Preferred Shares by the Fund would reduce the leverage applicable to Common Shares, while any resale of such shares by the Fund would increase such leverage.

Senior Securities Representing Indebtedness

The Declaration of Trust authorizes the Fund, without approval of the Common Shareholders, to borrow money. In this connection, the Fund may issue notes or other evidence of indebtedness (including bank borrowings or commercial paper) and may secure any such debt by mortgaging, pledging or otherwise subjecting as security the Fund’s assets. Under the requirements of the 1940 Act, the Fund, immediately after issuing any such senior debt, must have an “asset coverage” of at least 300%. With respect to any such debt, asset coverage means the ratio which the value of the total assets of the Fund, less all liabilities and indebtedness not represented by senior securities (as defined in the 1940 Act), bears to the aggregate amount of such borrowing represented by senior securities issued by the Fund. Certain types of debt may result in the Fund being subject to certain restrictions imposed by guidelines of one or more rating agencies which may issue ratings for commercial paper or notes issued by the Fund. Such restrictions may be more stringent than those imposed by the 1940 Act.

The rights of lenders to the Fund to receive interest on and repayment of principal of any such debt will be senior to those of the Common Shareholders, and the terms of any such debt may contain provisions which limit certain activities of the Fund, including the payment of dividends to Common Shareholders in certain circumstances. Further, the 1940 Act does (in certain circumstances) grant to the lenders to the Fund certain voting rights in the event of default in the payment of interest on or repayment of principal. Any debt will likely be ranked senior or equal to all other existing and future debt of the Fund.

Should the Fund have outstanding any “senior securities representing indebtedness,” the Fund may not purchase, redeem or acquire any of its Common Shares or Preferred Shares unless at the time of such purchase, redemption, or acquisition, the asset coverage of such senior securities representing indebtedness pursuant to the 1940 Act (determined after deducting the acquisition price of such Common or Preferred Shares) is at least 300%. Additionally, the Fund will generally not be permitted to declare dividends or other distributions on its Common Shares unless, at the time of such declaration or distribution, the asset coverage applicable to such senior securities representing indebtedness pursuant to the 1940 Act (determined after deducting the dividend or distribution amount) is at least 300%. Further, the 1940 Act (in certain circumstances) grants to the holders of such senior securities representing indebtedness (1) the right to declare a default, and (2) certain voting rights, in the event that specified asset coverage levels on such senior debt securities are not maintained. Specifically, in accordance with Section 18 of the 1940 Act, it shall be deemed an event of default if the asset coverage of such senior debt securities falls below 100% on the last business day of each month for 24 consecutive calendar months. In addition, senior debt security holders will be permitted to elect at least a majority of the Fund’s trustees if the asset coverage of such senior debt securities falls below 100% on the last business day of each month for a 12 calendar month period. These voting rights will continue until such asset coverage equals at least 110% on the last business day of each month for three consecutive calendar months. The provisions described in this paragraph do not apply, however, to bank or other privately arranged debt that is not intended to be publicly distributed.

Inter-Fund Borrowing and Lending.    The SEC has granted an exemptive order permitting the Nuveen registered open-end and closed-end funds, including the Fund, to participate in an inter-fund lending facility whereby those funds may directly lend to and borrow money from each other for temporary purposes (e.g., to satisfy redemption requests or when a sale of securities “fails,” resulting in an unanticipated cash shortfall) (the “Inter-Fund Program”). The closed-end Nuveen funds will participate only as lenders, and not as borrowers, in the Inter-Fund Program because such closed-end funds rarely, if ever, need to borrow cash to meet redemptions.

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The Inter-Fund Program is subject to a number of conditions, including, among other things, the requirements that (1) no fund may borrow or lend money through the Inter-Fund Program unless it receives a more favorable interest rate than is typically available from a bank or other financial institution for a comparable transaction; (2) no fund may borrow on an unsecured basis through the Inter-Fund Program unless the fund’s outstanding borrowings from all sources immediately after the inter-fund borrowing total 10% or less of its total assets; provided that if the borrowing fund has a secured borrowing outstanding from any other lender, including but not limited to another fund, the inter-fund loan must be secured on at least an equal priority basis with at least an equivalent percentage of collateral to loan value; (3) if a fund’s total outstanding borrowings immediately after an inter-fund borrowing would be greater than 10% of its total assets, the fund may borrow through the inter-fund loan on a secured basis only; (4) no fund may lend money if the loan would cause its aggregate outstanding loans through the Inter-Fund Program to exceed 15% of its net assets at the time of the loan; (5) a fund’s inter-fund loans to any one fund shall not exceed 5% of the lending fund’s net assets; (6) the duration of inter-fund loans will be limited to the time required to receive payment for securities sold, but in no event more than seven days; and (7) each inter-fund loan may be called on one business days’ notice by a lending fund and may be repaid on any day by a borrowing fund. In addition, a Nuveen fund may participate in the Inter-Fund Program only if and to the extent that such participation is consistent with the fund’s investment objective(s) and investment policies. The Board of Trustees of the Nuveen Funds is responsible for overseeing the Inter-Fund Program. The limitations detailed above and the other conditions of the SEC exemptive order permitting the Inter-Fund Program are designed to minimize the risks associated with Inter-Fund Program for both the lending fund and the borrowing fund. However, no borrowing or lending activity is without risk. When a fund borrows money from another fund, there is a risk that the loan could be called on one day’s notice or not renewed, in which case the fund may have to borrow from a bank at a higher rate or take other actions to payoff such loan if an inter-fund loan is not available from another fund. Any delay in repayment to a lending fund could result in a lost investment opportunity or additional borrowing costs.

CERTAIN PROVISIONS IN THE DECLARATION OF TRUST AND BY-LAWS

Shareholder and Trustee Liability.    Under Massachusetts law, shareholders could, under certain circumstances, be held personally liable for the Fund’s obligations. However, the Declaration of Trust contains an express disclaimer of shareholder liability for the Fund’s debts or obligations and requires that notice of such limited liability be given in each agreement, obligation or instrument entered into or executed by the Fund or the trustees. The Declaration of Trust further provides for indemnification out of the Fund’s assets and property for all loss and expense of any shareholder held personally liable for the Fund’s obligations. Thus, the risk of a shareholder incurring financial loss on account of shareholder liability is limited to circumstances in which the Fund would be unable to meet its obligations. The Fund believes that the likelihood of such circumstances is remote.

The Declaration of Trust provides that the Fund’s obligations are not binding upon the Fund’s trustees individually, but only upon the Fund’s assets and property, and that the trustees shall not be liable for errors of judgment or mistakes of fact or law. Nothing in the Declaration of Trust, however, protects a trustee against any liability to which he or she would otherwise be subject by reason of willful misfeasance, bad faith, gross negligence or reckless disregard of the duties involved in the conduct of his or her office.

Anti-Takeover Provisions.    The Declaration of Trust and By-laws include provisions that could limit the ability of other entities or persons to acquire control of the Fund or to convert the Fund to open-end status. The By-laws require the Board of Trustees be divided into three classes with staggered terms. See the SAI under “Management of the Fund.” This provision of the By-laws could delay for up to two years the replacement of a majority of the Board of Trustees. If Preferred Shares are issued, holders of Preferred Shares, voting as a separate class, will be entitled to elect two of the Fund’s trustees. In addition, the Declaration of Trust requires a vote by holders of at least two-thirds of the Common Shares and, if issued, Preferred Shares, voting together as a single class, except as described below, to authorize (1) a conversion of the Fund from a closed-end to an open-end

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investment company, (2) a merger or consolidation of the Fund, or a series or class of the Fund, with any corporation, association, trust or other organization or a reorganization of the Fund, or a series or class of the Fund, (3) a sale, lease or transfer of all or substantially all of the Fund’s assets (other than in the regular course of the Fund’s investment activities), (4) in certain circumstances, a termination of the Fund, or a series or class of the Fund or (5) a removal of trustees by shareholders, and then only for cause, unless, with respect to (1) through (4), such transaction has already been authorized by the affirmative vote of two-thirds of the total number of trustees fixed in accordance with the Declaration of Trust or the By-laws, in which case the affirmative vote of the holders of at least a majority of the Fund’s Common Shares and, if issued, Preferred Shares outstanding at the time, voting together as a single class, would be required; provided, however, that where only a particular class or series is affected (or, in the case of removing a trustee, when the trustee has been elected by only one class), only the required vote by the applicable class or series will be required. Approval of shareholders would not be required, however, for any transaction, whether deemed a merger, consolidation, reorganization or otherwise whereby the Fund issues shares in connection with the acquisition of assets (including those subject to liabilities) from any other investment company or similar entity. In the case of the conversion of the Fund to an open-end investment company, or in the case of any of the foregoing transactions constituting a plan of reorganization that adversely affects the holders of any outstanding Preferred Shares, the action in question also would require the affirmative vote of the holders of at least two-thirds of the Preferred Shares outstanding at the time, voting as a separate class, unless such transaction has already been authorized by the affirmative vote of two-thirds of the total number of trustees fixed in accordance with the Declaration of Trust or the By-Laws, in which case the affirmative vote of the holders of at least a majority of the Fund’s Preferred Shares outstanding at the time would be required. None of the foregoing provisions may be amended except by the vote of at least two-thirds of the Common Shares and preferred shares voting together as a single class. The votes required to approve the conversion of the Fund from a closed-end to an open-end investment company or to approve transactions constituting a plan of reorganization which adversely affects the holders of preferred shares are higher than those required by the 1940 Act. The Board of Trustees believes that the provisions of the Declaration of Trust relating to such higher votes are in the best interest of the Fund and its shareholders.

The provisions of the Declaration of Trust and By-laws described above could have the effect of depriving the Common Shareholders of opportunities to sell their Common Shares at a premium over the then current market price of the Common Shares by discouraging a third party from seeking to obtain control of the Fund in a tender offer or similar transaction. The overall effect of these provisions is to render more difficult the accomplishment of a merger or the assumption of control by a third party. They provide, however, the advantage of potentially requiring persons seeking control of the Fund to negotiate with its management regarding the price to be paid and facilitating the continuity of the Fund’s investment objective and policies. The Fund’s Board of Trustees has considered the foregoing anti-takeover provisions and concluded that they are in the best interests of the Fund and its Common Shareholders.

Term.    The Declaration of Trust provides that the Fund will have a limited period of existence and will terminate as of the Stated Termination Date; provided that the Board of Trustees may, in its sole discretion and without any action by the shareholders of the Fund, extend the Fund’s term for up to two one year periods; furthermore, notwithstanding the foregoing, if the Board of Trustees determines to cause the Fund to conduct an Eligible Tender Offer, and the Eligible Tender Offer is completed, the Board of Trustees may, in its sole discretion and without any action by the shareholders of the Fund, provide that the Fund may continue without limitation of time, subject to the terms and conditions described herein. Unless the Fund’s existence is continued without limitation of time as described herein on or before the Termination Date, the Fund will cease its investment operations, retire or redeem its leverage facilities, liquidate its investment portfolio (to the extent possible) and, on or after the Termination Date, the Fund will distribute all of its liquidated net assets to Common Shareholders of record in one or more distributions.

The Declaration of Trust provides that the Fund, or any class or series thereof, may be terminated at any time by the Board of Trustees by notice to the shareholders without a vote of the shareholders of the Fund.

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The Declaration of Trust provides that an Eligible Tender Offer is a tender offer by the Fund to all holders of outstanding common shares as of a date within 6-18 months preceding the Termination Date. If the tender offer is completed, Shareholders who properly tender Common Shares in the Eligible Tender Offer will receive a purchase price equal to the NAV per share on the expiration date of the Eligible Tender Offer. The Declaration of Trust provides that, if the number of properly tendered Common Shares would result in the Fund exceeding the Termination Threshold, then the Board of Trustees may determine to provide that the Fund may continue without limitation of time. The Declaration of Trust provides that if net assets of the Fund would be less than the Termination Threshold following the completion of the Eligible Tender Offer, the tender offer will not be completed, no Common Shares will be purchased and the Fund will terminate as of the Termination Date.

Preemptive Rights.    The Declaration of Trust provides that Common Shareholders shall have no right to acquire, purchase or subscribe for any shares or securities of the Fund, other than such right, if any, as the Fund’s Board of Trustees in its discretion may determine. As of the date of this prospectus, no preemptive rights have been granted by the Board of Trustees.

Reference should be made to the Declaration of Trust and By-laws on file with the SEC for the full text of these provisions.

REPURCHASE OF FUND SHARES; CONVERSION TO OPEN-END FUND

The Fund is a closed-end investment company and as such its shareholders will not have the right to cause the Fund to redeem their shares. Instead, the Common Shares will trade in the open market at a price that will be a function of several factors, including dividend levels (which are in turn affected by expenses), NAV, dividend stability, relative demand for and supply of such shares in the market, general market and economic circumstances and other factors. Because shares of closed-end investment companies frequently may trade at prices lower than NAV the Fund’s Board of Trustees has currently determined that, at least annually, it will consider action that might be taken to reduce or eliminate any material discount from NAV in respect of Common Shares, which may include the repurchase of such shares in the open market or in private transactions, the making of a tender offer for such shares at NAV, or the conversion of the Fund to an open-end investment company. The Fund cannot assure you that its Board of Trustees will decide to take any of these actions, or that share repurchases or tender offers will actually reduce market discount.

If the Fund converted to an open-end investment company, the Common Shares would no longer be listed on the NYSE or elsewhere and it would likely have to significantly reduce any leverage it is then employing, which may require a repositioning of its investment portfolio, which may in turn generate substantial transaction costs, which would be borne by Common Shareholders, and may adversely affect Fund performance and Fund distributions. In contrast to a closed-end investment company, shareholders of an open-end investment company may require the company to redeem their shares at any time (except in certain circumstances as authorized by the 1940 Act or the rules thereunder) at their NAV, less any redemption charge that is in effect at the time of redemption. The Fund currently expects that any such redemptions would be made in cash. The Fund may charge sales or redemption fees upon conversion to an open-end fund. In order to avoid maintaining large cash positions or liquidating favorable investments to meet redemptions, open-end investment companies typically engage in a continuous offering of their shares. Open-end investment companies are thus subject to periodic asset in-flows and out-flows that can complicate portfolio management. The Board of Trustees may at any time propose conversion of the Fund to an open-end investment company depending upon its judgment as to the advisability of such action in light of circumstances then prevailing. See “Repurchase of Fund Shares; Conversion to Open-End Fund” in the SAI for a discussion of the voting requirements applicable to the conversion of the Fund to an open-end investment company.

Before deciding whether to take any action if the Common Shares trade below NAV, the Board of Trustees would consider all relevant factors, including the extent and duration of the discount, the liquidity of the Fund’s

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portfolio, the impact of any action that might be taken on the Fund or its shareholders, and market considerations. Based on these considerations, even if the Fund’s shares should trade at a discount, the Board of Trustees may determine that, in the interest of the Fund and its shareholders, no action should be taken. See “Repurchase of Fund Shares; Conversion to Open-End Fund” in the SAI for a further discussion of possible action to reduce or eliminate such discount to NAV.

TAX MATTERS

The following discussion of U.S. federal income tax matters is based on the advice of Stradley Ronon Stevens & Young, LLP, counsel to the Fund.

The discussions below and certain disclosure in the SAI provide general U.S. federal income tax information related to an investment in the Common Shares. Because tax laws are complex and often change, you should consult your tax advisor about the tax consequences of an investment in the Fund. The following tax discussion assumes that you are a U.S. Common Shareholder (as defined under “Tax Matters” in the SAI) and that you hold the Common Shares as a capital asset (generally, property held for investment).

Prospective investors should consult their own tax advisers with regard to the U.S. federal tax consequences of the purchase, ownership, and disposition of Common Shares, as well as the tax consequences arising under the laws of any state, local, foreign, or other taxing jurisdiction.

The discussion below does not represent a detailed description of the U.S. federal income tax considerations relevant to special classes of taxpayers including, without limitation, financial institutions, insurance companies, taxpayers subject to the alternative minimum tax, a partnership or other entity treated as a pass-through entity for U.S. federal income tax purposes, U.S. Common Shareholders whose “functional currency” is not the U.S. dollar, tax-exempt organizations, a controlled foreign corporation or a passive foreign investment company, dealers in securities or currencies, traders in securities or commodities that elect mark-to-market treatment, persons with “applicable financial statements” within the meaning of Section 451(b) of the Code, or persons that will hold Common Shares as a position in a “straddle,” “hedge” or as part of a “constructive sale” for U.S. federal income tax purposes.

If a partnership (or an entity treated as a partnership for U.S. federal income tax purposes) holds Common Shares, the tax treatment of a partner in the partnership generally will depend upon the status of the partner and the activities of the partnership. A partnership that holds Common Shares and partners in such partnership should consult their tax advisors about the U.S. federal income tax considerations of the purchase, ownership and disposition of Common Shares.

The Fund intends to elect to be treated and to qualify each year as a RIC under Subchapter M of the Code. In order to qualify as a RIC, the Fund must (i) derive at least 90% of its annual gross income from certain kinds of investment income; (ii) meet certain asset diversification requirements at the end of each quarter, and (iii) distribute in each taxable year at least 90% of its net investment income (including net interest income and net short term capital gain) and net tax-exempt income. As a RIC, the Fund is not expected to be subject to U.S. federal income tax to the extent that it distributes its investment company taxable income and net recognized capital gains each year. The Fund primarily invests in securities whose income is exempt from regular U.S. federal income tax. A shareholder treats an exempt-interest dividend as interest on state and local bonds exempt from regular U.S. federal income tax. U.S. federal income tax law imposes an alternative minimum tax with respect to individuals, trusts and estates. Interest on certain municipal obligations, such as certain private activity bonds, is included as an item of tax preference in determining the amount of a taxpayer’s alternative minimum taxable income. To the extent that the Fund receives income from such municipal obligations, a portion of the dividends paid by the Fund, although exempt from regular U.S. federal income tax, will be taxable to shareholders to the extent that their tax liability is determined under the federal alternative minimum tax. The

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Fund will annually provide a report indicating the percentage of the Fund’s income attributable to municipal obligations subject to the federal alternative minimum tax.

In addition to exempt-interest dividends, the Fund also may distribute to its shareholders amounts that are treated as long-term capital gain or ordinary income (which may include short-term capital gains). These distributions may be subject to federal, state and local taxation, depending on a shareholder’s situation. Taxable distributions are taxable whether or not such distributions are reinvested in the Fund. Net capital gain distributions (the excess of net long-term capital gain over net short-term capital loss) are generally taxable at rates applicable to long-term capital gains regardless of how long a Common Shareholder has held his or her Common Shares. Most long-term capital gains for noncorporate shareholders are currently taxable at a maximum rate of 20% (depending on a shareholder’s level of taxable income and their filing status). The maximum rate applicable to ordinary income is 37%. Also, certain individuals, estates and trusts may be subject to an additional 3.8% tax on net investment income, which includes net capital gains. Net investment income does not include exempt-interest dividends. Because the Fund’s portfolio turnover is expected to be higher than that of a traditional municipal bond fund, it is expected that a greater percentage of each distribution would be attributable to capital appreciation than to tax-exempt income and, unlike a distribution attributable to tax-exempt income, a distribution attributable to capital appreciation would be subject to tax. The Fund does not expect that any part of its distributions to shareholders from its investments will qualify for the dividends-received deduction available to corporate shareholders or as “qualified dividend income” to noncorporate shareholders.

As a RIC, the Fund will not be subject to U.S. federal income tax in any taxable year provided that it meets certain distribution requirements. The Fund may retain for investment some (or all) of its net capital gain. If the Fund retains any net capital gain or investment company taxable income, it will be subject to tax at the corporate income tax rate on the amount retained. If the Fund retains any net capital gain, it may designate the retained amount as undistributed capital gains as part of its annual reporting to its shareholders who, if subject to U.S. federal income tax on long-term capital gains, (i) will be required to include in income for U.S. federal income tax purposes, as long-term capital gain, their share of such undistributed amount; (ii) will be entitled to credit their proportionate shares of the tax paid by the Fund on such undistributed amount against their U.S. federal income tax liabilities, if any; and (iii) will be entitled to claim refunds to the extent the credit exceeds such liabilities. For U.S. federal income tax purposes, the tax basis of Common Shares owned by a Common Shareholder of the Fund will be increased by an amount equal to the difference between the amount of undistributed capital gains included in the shareholder’s gross income and the tax deemed paid by the Common Shareholder under clause (ii) of the preceding sentence. Because the Fund’s portfolio turnover is expected to be higher than that of a traditional municipal bond fund, it is expected that a greater percentage of the Fund’s income would be attributable to capital appreciation rather than to exempt interest dividends.

Dividends and other taxable distributions declared by the Fund in October, November or December to shareholders of record on a specified date in such month and paid during the following January will be treated as having been received by shareholders in the year the distributions were declared.

Each Common Shareholder will receive an annual statement summarizing the shareholder’s ordinary income and capital gains distributions (including net capital gains credited to the Common Shareholder but retained by the Fund) after the close of the Fund’s taxable year.

The sale, exchange or redemption of Common Shares, including in connection with the Fund’s final distribution to shareholders on or about the Termination Date, normally will result in capital gain or loss to Common Shareholders in an amount equal to the difference between the U.S. Common Shareholder’s adjusted tax basis in the shares and the amount realized from the sale or other disposition. A U.S. Common Shareholder’s adjusted tax basis in the shares generally will be the purchase price paid in this offering, increased or decreased, as described elsewhere in this disclosure. Generally a shareholder’s gain or loss will be long-term capital gain or loss if the Common Shares have been held for more than one year. Present law taxes both long-term and short-term capital gains of corporations at the same rates applicable to ordinary income. For non-corporate taxpayers, however, long-term capital gains are currently taxed at a maximum rate of 20% (depending on a shareholder’s

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level of taxable income and their filing status), while short-term capital gains and other ordinary income are currently taxed at ordinary income rates. If a Common Shareholder sells or otherwise disposes of Common Shares before holding them for more than six months, any loss on the sale or disposition will be treated as a long-term capital loss to the extent of any net capital gains distributed to the Common Shareholder (including any net capital gains credited to them but retained by the Fund). Any loss realized on a sale or exchange of Common Shares will be disallowed to the extent those Common Shares are replaced by other substantially identical shares within a period of 61 days beginning 30 days before and ending 30 days after the date of disposition of the original Common Shares. In that event, the basis of the replacement shares will be adjusted to reflect the disallowed loss.

Any interest on indebtedness incurred or continued to purchase or carry the Fund’s shares to which exempt-interest dividends are allocated is not deductible by shareholders. Under certain applicable rules, the purchase or ownership of shares may be considered to have been made with borrowed funds even though such funds are not directly used for the purchase or ownership of the shares. In addition, if you receive Social Security or certain railroad retirement benefits, you may be subject to U.S. federal income tax on a portion of such benefits as a result of receiving investment income, including exempt-interest dividends and other distributions paid by the Fund.

If the Fund invests in certain pay-in-kind securities, zero coupon securities, deferred interest securities or, in general, any other securities with original issue discount (or with market discount if the Fund elects to include market discount in income currently), the Fund must accrue income on such investments for each taxable year, which generally will be prior to the receipt of the corresponding cash payments. However, the Fund must distribute to shareholders, at least annually, all or substantially all of its investment company taxable income (determined without regard to the deduction for dividends paid), including such accrued income, to qualify as a RIC and to avoid federal income and excise taxes. Therefore, the Fund may have to dispose of its portfolio securities under disadvantageous circumstances to generate cash, or may have to leverage itself by borrowing the cash, to satisfy these distribution requirements.

The Fund may hold or acquire municipal obligations that are market discount bonds. A market discount bond is a security acquired in the secondary market at a price below its redemption value (or its adjusted issue price if it is also an original issue discount bond). If the Fund invests in a market discount bond, it will be required to treat any gain recognized on the disposition of such market discount bond as ordinary taxable income to the extent of the accrued market discount.

The Fund may be required to “backup” withhold U.S. federal income tax at the current rate of 24% of all taxable distributions payable to Common Shareholders who fail to provide the Fund with their correct taxpayer identification number or to make required certifications, or if the Common Shareholders have been notified by the IRS that they are subject to backup withholding. Backup withholding is not an additional tax. Any amounts withheld may be credited against a shareholder’s U.S. federal income tax liability, provided the required information is timely furnished to the IRS.

The Fund may invest in other securities the U.S. federal income tax treatment of which is uncertain or subject to re-characterization by the IRS. To the extent the tax treatment of such securities or their income differs from the tax treatment expected by the Fund, it could affect the timing or character of income recognized by the Fund, requiring the Fund to purchase or sell securities, or otherwise change its portfolio, in order to comply with the tax rules applicable to RICs under the Code.

The exemption from U.S. federal income tax for exempt-interest dividends generally does not result in exemption for such dividends under the income or other tax laws of any state or local taxing authority. In some states, however, the portion of any exempt-interest dividends derived from interest received by the Fund on its holdings of that state’s securities and those of its political subdivisions and instrumentalities is exempt from the state’s income tax. The Fund will report annually to its shareholders the percentage of interest income earned by the Fund during the preceding year on tax-exempt obligations indicating, on a state-by-state basis, the source of such income. Common Shareholders may be subject to state, local and foreign taxes on their Fund distributions. Common Shareholders are advised to consult with their own tax advisers with respect to the particular consequences to them of an investment in the Fund.

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UNDERWRITERS

Under the terms and subject to the conditions in an underwriting agreement dated the date of this prospectus, the Underwriters named below, for whom Morgan Stanley & Co. LLC, UBS Securities LLC and Nuveen Securities are acting as representatives (collectively, the “Representatives”), have severally agreed to purchase, and the Fund has agreed to sell to them, the number of Common Shares indicated below.

The Underwriters are offering the Common Shares subject to their acceptance of the shares from the Fund and subject to prior sale. The underwriting agreement provides that the obligations of the several Underwriters to pay for and accept delivery of the Common Shares offered by this prospectus are subject to the approval of certain legal matters by their counsel and to certain other conditions. The Underwriters are obligated to take and pay for all of the Common Shares offered by this prospectus if any such shares are taken. However, the Underwriters are not required to take or pay for the Common Shares covered by the Underwriters’ over-allotment option described below.

The Underwriters initially propose to offer part of the Common Shares directly to the public at the public offering price listed on the cover page of this prospectus and part to certain dealers at a price that represents a concession not in excess of $         per Common Share under the public offering price. Investors must pay for any Common Shares purchased before                           , 2020.

The Fund has granted to the Underwriters an option, exercisable for 45 days from the date of this prospectus, to purchase up to                            additional Common Shares at the public offering price listed on the cover page of this prospectus. The Underwriters may exercise this option solely for the purpose of covering over-allotments, if any, made in connection with the offering of the Common Shares offered by this prospectus. To the extent the option is exercised, each Underwriter will become obligated, subject to certain conditions, to purchase about the same percentage of the additional Common Shares as the number listed next to the Underwriter’s name in the preceding table bears to the total number of Common Shares listed next to the names of all Underwriters in the preceding table.

The following table shows the per share and total public offering price, underwriting discounts and commissions (sales load) and proceeds to the Fund. These amounts are shown assuming both no exercise and full exercise of the Underwriters’ option to purchase up to an additional                            Common Shares.

The Underwriters have informed the Fund that they do not intend sales to discretionary accounts to exceed % of the total number of Common Shares offered by them.

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In connection with the requirements for listing the Common Shares on the NYSE, the Underwriters have undertaken to sell lots of 100 or more shares to a minimum of 400 beneficial owners in the United States. The minimum investment requirement is 100 Common Shares.

It is expected that the Common Shares will be approved for listing on the NYSE under the symbol “NDMO.”

The Fund has agreed that, without the prior written consent of Morgan Stanley & Co. LLC and UBS Securities LLC on behalf of the Underwriters, it will not, during the period ending 180 days after the date of this prospectus:

whether any such transaction described above is to be settled by delivery of Common Shares or such other securities, in cash or otherwise.

The restrictions described in the immediately preceding paragraph do not apply to:

Morgan Stanley & Co. LLC and UBS Securities LLC, in their sole discretion, may release the Common Shares and other securities subject to the lock-up agreement described above in whole or in part at any time with or without notice.

In order to facilitate this offering of Common Shares, the Underwriters may engage in transactions that stabilize, maintain or otherwise affect the price of the Common Shares. Specifically, the Underwriters may sell more Common Shares than they are obligated to purchase under the underwriting agreement, creating a short position. A short sale is covered if the short position is no greater than the number of Common Shares available for purchase by the Underwriters under the over-allotment option. The Underwriters can close out a covered short sale by exercising the over-allotment option or purchasing Common Shares in the open market. In determining the source of Common Shares to close out a covered short sale, the Underwriters will consider, among other things, the open-market price of the Common Shares compared to the price available under the over-allotment option. The Underwriters may also sell Common Shares in excess of the over-allotment option, creating a naked short position. The Underwriters must close out any naked short position by purchasing Common Shares in the open market. A naked short position is more likely to be created if the Underwriters are concerned that there may be downward pressure on the price of the Common Shares in the open market after pricing that could adversely affect investors who purchase in this offering. As an additional means of facilitating this offering, the Underwriters may bid for, and purchase, Common Shares in the open market to stabilize the price of the Common Shares. Finally, the underwriting syndicate may also reclaim selling concessions allowed to an Underwriter or a dealer for distributing the Common Shares in this offering. These activities may raise or maintain the market price of the Common Shares above independent market levels or prevent or retard a decline in the market price of the Common Shares. The Underwriters are not required to engage in these activities, and may end any of these activities at any time.

The Fund, Nuveen Fund Advisors, Nuveen Asset Management and the Underwriters have agreed to indemnify each other against certain liabilities, including liabilities under the 1933 Act.

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A prospectus in electronic format may be made available on websites maintained by one or more Underwriters, or selling group members, if any, participating in this offering. The Representatives may agree to allocate a number of Common Shares to Underwriters for sale to their online brokerage account holders. Internet distributions will be allocated by the Representatives to Underwriters that may make Internet distributions on the same basis as other allocations.

Prior to this offering, there has been no public market for the Common Shares. The initial public offering price for the Common Shares was determined by negotiation among the Fund, Nuveen Fund Advisors, Nuveen Asset Management and the Representatives. There can be no assurance, however, that the price at which the Common Shares trade after this offering will not be lower than the price at which they are sold by the Underwriters or that an active trading market in the Common Shares will develop and continue after this offering.

Prior to the public offering of Common Shares, Nuveen Fund Advisors purchased Common Shares from the Fund in an amount satisfying the net worth requirements of Section 14(a) of the 1940 Act and therefore owns 100% of the outstanding Common Shares. Nuveen Fund Advisors may be deemed to control the Fund until such time as it owns less than 25% of the outstanding Common Shares, which is expected to occur as of the completion of this offering of Common Shares.

The Fund anticipates that the Representatives and certain other Underwriters may from time to time act as brokers and dealers in connection with the execution of its portfolio transactions after they have ceased to act as Underwriters and, subject to certain restrictions, may act as such brokers while they act as Underwriters.

The Underwriters and their respective affiliates are full service financial institutions engaged in various activities, which may include securities trading, commercial and investment banking, financial advisory, investment management, principal investment, hedging, financing and brokerage activities. Certain of the Underwriters or their respective affiliates from time to time have provided in the past, and may provide in the future, investment banking, securities trading, hedging, brokerage, commercial lending and financial advisory services to the Fund, its affiliates and Nuveen Fund Advisors, Nuveen Asset Management and their affiliates in the ordinary course of business, for which they have received, and may receive, customary fees and expenses.

No action has been taken in any jurisdiction (except in the United States) that would permit a public offering of the Common Shares, or the possession, circulation or distribution of this prospectus or any other material relating to the Fund or the Common Shares where action for that purpose is required. Accordingly, the Common Shares may not be offered or sold, directly or indirectly, and neither this prospectus nor any other offering material or advertisements in connection with the Common Shares may be distributed or published, in or from any country or jurisdiction except in compliance with the applicable rules and regulations of any such country or jurisdiction.

The principal business address of Morgan Stanley & Co. LLC is 1585 Broadway, New York, New York 10036. The principal business address of UBS Securities LLC is 1285 Avenue of the Americas, New York, New York 10019. The principal business address of Nuveen Securities is 333 West Wacker Drive, Chicago, Illinois 60606.

Compensation to be Paid by Nuveen Fund Advisors

Nuveen Fund Advisors (and not the Fund) has agreed to pay the Underwriters, from its own assets, compensation of $0.45 per Common Share sold in this offering, which amount will not exceed 3.00% of the total public offering price of the Common Shares sold in this offering.

Nuveen Fund Advisors (and not the Fund) has agreed to pay Morgan Stanley & Co. LLC, from its own assets, an upfront structuring and syndication fee for advice relating to the structure, design and organization of the Fund as well as services related to the sale and distribution of the Common Shares in this offering in the amount of $        . If the over-allotment option is not exercised, the upfront structuring and syndication fee paid to Morgan Stanley & Co. LLC will not exceed     % of the total public offering price of the Common Shares. These services provided by Morgan Stanley & Co. LLC to Nuveen Fund Advisors are unrelated to Nuveen Fund Advisors’ function of advising the Fund as to its investments in securities or use of investment strategies and investment techniques.

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Nuveen Fund Advisors (and not the Fund) has agreed to pay UBS Securities LLC, from its own assets, an upfront structuring fee for advice relating to the structure, design and organization of the Fund as well as services related to the sale and distribution of the Common Shares in this offering in the amount of $                          . If the over-allotment option is not exercised, the upfront structuring fee paid to UBS Securities LLC will not exceed         % of the total public offering price of the Common Shares. These services provided by UBS Securities LLC to Nuveen Fund Advisors are unrelated to Nuveen Fund Advisors’ function of advising the Fund as to its investments in securities or use of investment strategies and investment techniques.

Nuveen Fund Advisors (and not the Fund) has agreed to pay               and              , from its own assets, an upfront fee for services related to the sale and distribution of the Common Shares in this offering in the amount of $                   and $                  , respectively. If the over-allotment option is not exercised, the upfront fee paid to               and               will not exceed                 % and                 %, respectively, of the total public offering price of the Common Shares. These services provided by these Underwriters to Nuveen Fund Advisors are unrelated to Nuveen Fund Advisors’ function of advising the Fund as to its investments in securities or use of investment strategies and investment techniques.

Nuveen Fund Advisors may pay certain other qualifying Underwriters a structuring fee, a syndication fee, a sales incentive fee or other compensation in connection with this offering.

The amount of these structuring, syndication and other fees are calculated based on the total respective sales of Common Shares by the Underwriter receiving the fees, including those Common Shares included in the Underwriters’ over-allotment option, and will be paid regardless of whether some or all of the over-allotment option is exercised.

Total underwriting compensation determined in accordance with Financial Industry Regulatory Authority, Inc. (“FINRA”) rules is summarized as follows. The Fund has agreed to reimburse the Underwriters for the reasonable fees and disbursements of counsel to the Underwriters in connection with the review by FINRA of the terms of the sale of the Common Shares in this offering in an amount not to exceed $30,000 in the aggregate, which amount will not exceed             % of the total public offering price of the Common Shares sold in this offering if the over-allotment option is not exercised. The sum total of all compensation to the Underwriters in connection with this public offering of the Common Shares, including expense reimbursement and all forms of structuring, syndication and other fee payments to the Underwriters, will not exceed 9.00% of the total public offering price of the Common Shares sold in this offering.

CUSTODIAN AND TRANSFER AGENT

The custodian of the Fund’s assets is State Street Bank and Trust Company (“State Street”), One Lincoln Street, Boston, Massachusetts 02111. State Street performs custodial, fund accounting and portfolio accounting services. The Fund’s transfer, shareholders services and dividend paying agent is Computershare Inc. and Computershare Trust Company, N.A., 150 Royall Street, Canton, Massachusetts 02021.

LEGAL OPINIONS AND EXPERTS

Certain legal matters in connection with the Common Shares will be passed upon for the Fund by Stradley Ronon Stevens & Young, LLP, Chicago, Illinois. Weil, Gotshal & Manges LLP, New York, New York, advised the Underwriters in connection with the offering of the Common Shares. Each of Stradley Ronon Stevens & Young, LLP and Weil, Gotshal & Manges LLP may rely as to certain matters of Massachusetts law on the opinion of                           , Boston, Massachusetts. KPMG LLP, an independent registered public accounting firm, provides auditing services to the Fund.

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99

                           Shares

Nuveen Dynamic Municipal Opportunities Fund

Common Shares

$15.00 per Share

PROSPECTUS

                           , 2020

Morgan Stanley

UBS Investment Bank

Nuveen Securities

Until                           , 2020 (25 days after the date of this prospectus), all dealers that buy, sell or trade the Common Shares, whether or not participating in this offering, may be required to deliver a prospectus. This delivery requirement is in addition to the dealers’ obligation to deliver a prospectus when acting as underwriters and with respect to their unsold allotments or subscriptions.

LPR-NEMO-0220D

The information in this Statement of Additional Information is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This Statement of Additional Information is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer and sale is not permitted.

SUBJECT TO COMPLETION, DATED July 20, 2020

NUVEEN DYNAMIC MUNICIPAL OPPORTUNITIES FUND

STATEMENT OF ADDITIONAL INFORMATION

Nuveen Dynamic Municipal Opportunities Fund (the “Fund”) is a newly organized, diversified, closed-end management investment company.

This Statement of Additional Information relating to common shares of the Fund (“Common Shares”) does not constitute a prospectus, but should be read in conjunction with the Fund’s prospectus relating thereto dated                     , 2020 (the “Prospectus”). In this Statement of Additional Information, holders of Common Shares are referred to as “Common Shareholders.” This Statement of Additional Information does not include all information that a prospective investor should consider before purchasing Common Shares. Investors should obtain and read the Fund’s Prospectus prior to purchasing such shares. A copy of the Fund’s Prospectus, annual and semi-annual reports (when available) and additional information about the Fund may be obtained without charge by calling (800) 257-8787, by writing to the Fund at 333 West Wacker Drive, Chicago, Illinois 60606 or from the Fund’s website (http://www.nuveen.com). The information contained in, or that can be accessed through, the Fund’s website is not part of the Fund’s Prospectus or this Statement of Additional Information (“SAI”). You may also obtain a copy of the Fund’s Prospectus on the Securities and Exchange Commission’s website (http://www.sec.gov). Capitalized terms used but not defined in this Statement of Additional Information have the meanings ascribed to them in the Prospectus.

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INVESTMENT OBJECTIVE AND POLICIES

The investment objective of the Fund is to seek total return through income exempt from regular federal income taxes and capital appreciation.

Fund Strategies

The Fund seeks to achieve its investment objective by investing in municipal securities as described below. The Fund’s portfolio will be actively managed to invest across the entire municipal securities market, with the ability to allocate opportunistically and without limit to municipal securities of any credit quality and maturity. Nuveen Asset Management will employ a dynamic, research-intensive investment strategy that integrates top-down analysis of credit quality orientation, yield curve positioning and sector allocation, as well as bottom-up security selection. The Fund’s credit profile, sector allocation and yield curve positioning are anticipated to change over time based upon Nuveen Asset Management’s assessment of market conditions and individual investment opportunities. There can be no assurance that the Fund’s strategy and decision-making will be successful.

Portfolio Contents

The Fund will invest its assets in a portfolio of municipal securities of any credit quality and maturity. Municipal securities include municipal bonds, notes, securities issued to finance and refinance public projects, certificates of participation, variable rate demand obligations, lease obligations, municipal notes, pre-refunded municipal bonds, private activity bonds, securities issued by tender option bond trusts, including inverse floating rate securities, and other forms of municipal bonds and securities, and other related instruments that create exposure to municipal bonds, notes and securities that provide for the payment of interest income that is exempt from regular U.S. federal income tax.

Municipal securities are debt obligations generally issued by states, cities and local authorities and certain possessions and territories of the United States (such as Puerto Rico and Guam) to finance or refinance public purpose projects such as roads, schools, and water supply systems. Municipal securities may also be issued to finance and refinance privately owned facilities, such as housing, medical and educational construction, or for privately owned transportation, electric utility and pollution control projects deemed to serve a public purpose. Municipal securities may be issued on a long-term basis to provide long-term financing. The repayment of such debt may be secured generally by a pledge of the full faith and credit taxing power of the issuer, a limited or special tax, or any other revenue source, including project revenues, which may include tolls, fees and other user charges, lease payments and mortgage payments. Municipal securities may also be issued to finance projects on a short-term interim basis, anticipating repayment with the proceeds of long-term debt. Municipal securities may be issued and purchased in the form of bonds, notes, leases or certificates of participation; structured as callable or non-callable; with payment forms including fixed coupon, variable rate, zero coupon, capital appreciation bonds or inverse floating rate securities; or acquired through investments in pooled vehicles, partnerships or other investment companies. Inverse floating rate securities are securities that pay interest at rates that vary inversely with changes in prevailing short-term tax exempt interest rates and represent a leveraged investment in an underlying municipal security, which may increase the leverage of the Fund. The market value of a municipal security will generally depend upon its form, maturity, call features and interest rate, as well as the credit quality or credit rating of the issuer, all such factors examined in the context of the municipal securities market and interest rate levels and trends.

The Fund may invest in municipal securities that pay interest that is taxable under the federal alternative minimum tax applicable to noncorporate taxpayers (“AMT Bonds”). AMT Bonds may trigger adverse tax consequences for Fund shareholders who are subject to the federal alternative minimum tax. If you are, or as a result of investment in the Fund would become, subject to the federal alternative minimum tax, the Fund may not be a suitable investment for you. In addition, distributions of taxable ordinary income (including any net short-term capital gain) will be taxable to shareholders as ordinary income (and not eligible for favorable taxation as “qualified

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dividend income”), and capital gain dividends will be taxable as long-term capital gains. Interest income on municipal securities also may be subject to state and local income taxes. See “Risks—Portfolio Level Risks—Tax Risk” and “Tax Matters” in the Prospectus.

The Fund may invest in “tobacco settlement bonds.” Tobacco settlement bonds are municipal securities that are secured or payable solely from the collateralization of the proceeds from class action or other litigation against the tobacco industry. Investments in tobacco settlement bonds are subject to risks. See “Risks—Portfolio Level Risks—Tobacco Settlement Bond Risk” in the Prospectus.

The Fund may invest in securities of other open-end or closed-end investment companies, including exchange-traded funds (“ETFs”), that invest primarily in the types of municipal securities in which the Fund may invest directly.

See “Portfolio Composition and Other Information” for additional information on the types of securities in which the Fund may invest.

The Fund may invest without limitation in credit default swaps, and may enter into credit default swaps as either a buyer or a seller. The credit default swaps in which the Fund may invest (or sell) include those in which the underlying reference instrument is the debt obligation of a single reference issuer (“single-name CDS”). Unlike other types of credit default swaps, single-name CDS do not have the benefit of diversification across many issuers.

In addition to credit default swaps, the Fund also may use certain other derivative instruments in pursuit of its investment objective. Such instruments include financial futures contracts, swap contracts (including interest rate and total return swaps), options on financial futures, options on swap contracts, or other derivative instruments. See “Leverage” and “Risks—Portfolio Level Risks—Derivatives Risk” in the Prospectus. Nuveen Asset Management may use derivative instruments to enhance returns, to attempt to hedge some of the risk of the Fund’s investments , to attempt to manage the effective maturity or duration of securities in the Fund’s portfolio or as a substitute for a position in the underlying asset. See “Portfolio Composition and Other Information—Derivatives” in the Prospectus.

Investment Policies

Under normal circumstances:

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The foregoing policies apply only at the time of any new investment. The Fund’s policy of investing at least 80% of its Assets in municipal securities, the income on which is exempt from regular U.S. federal income tax, is a fundamental policy which may not be changed without the approval of the holders of a majority of the Fund’s outstanding Common Shares.

“Assets” means net assets of the Fund plus the amount of any borrowings for investment purposes. “Managed Assets” means the total assets of the Fund, minus the sum of its accrued liabilities (other than Fund liabilities incurred for the express purpose of creating leverage). Total assets for this purpose shall include assets attributable to the Fund’s use of leverage (whether or not those assets are reflected in the Fund’s financial statements for purposes of generally accepted accounting principles), and derivatives will be valued at their market value.

The portion of the Fund’s assets invested in below investment grade municipal securities (commonly referred to as “high yield” or “junk” bonds) may vary over time. Below investment grade securities are regarded as having predominately speculative characteristics with respect to the issuer’s capacity to pay interest or dividends and repay principal, which implies higher price volatility and default risk than investment grade instruments of comparable terms and duration. These securities generally provide higher income than investment grade securities in an effort to compensate investors for their higher risk of default, which is the issuer’s failure to make required interest, dividend or principal payments on the securities.

The Fund may invest in “tobacco settlement bonds.” Tobacco settlement bonds are bonds that are secured or payable solely from the collateralization of the proceeds from class action or other litigation against the tobacco industry. Investments in tobacco settlement bonds are subject to risks. See “Risks—Portfolio Level Risks—Tobacco Settlement Bond Risk” in the Prospectus.

For purposes of the investment limitations in this prospectus, a security’s rating is determined using the lowest rating of Moody’s, Standard & Poor’s and Fitch if all three NRSROs rate the security. If ratings are provided by only two of those NRSROs, the lower rating is used to determine the rating. If only one of those NRSROs provides a rating, that rating is used. If a security is not rated by any NRSRO, the rating determined by Nuveen Asset Management is used. Investment rating limitations are considered to apply only at the time of investment and will not be considered violated unless an excess or deficiency occurs or exists immediately after and as a result of an acquisition of securities. The descriptions of the investment rating categories by Moody’s, S&P and Fitch, including a description of their speculative characteristics, are set forth in Appendix A of this SAI. All references to securities ratings by Moody’s, S&P and Fitch in this SAI shall, unless otherwise indicated, include all securities within each such rating category (i.e., Ba1, Ba2 and Ba3 in the case of Moody’s, BB+, BB and BB- in the case of S&P and Fitch).

During temporary defensive periods, the period in which the net proceeds of this offering of Common Shares are first being invested (the “invest-up period”), the “wind-up” period during which the Fund is transitioning its portfolio as the Termination Date approaches or the period in which the Fund’s assets are being liquidated in anticipation of the Fund’s termination, the Fund may deviate from its investment policies and objective. During such periods, the Fund may invest up to 100% of its Managed Assets in short-term investments, including high quality, short-term securities, or may invest in short-, intermediate-, or long-term U.S. Treasury securities. During the invest-up period, the Fund may also purchase securities issued by ETFs that invest primarily in municipal securities of the types in which the Fund may invest directly. Any such investments in ETFs will be in compliance with the limitations imposed by the Investment Company Act of 1940, as amended (the “1940 Act”) or pursuant to any exemptive relief obtained thereunder. There can be no assurance that such techniques will be successful. Accordingly, during such periods, the Fund may not achieve its investment objective.

Nuveen Asset Management may determine that it is in the best interest of shareholders to pursue a workout arrangement with respect to a defaulted security, which may involve making loans to the issuer or another party, or purchasing an equity or other interest from the issuer or another party, or other related or similar steps involving the investment of additional monies.

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Other Policies

The Fund may enter into certain derivative transactions as a hedging technique to attempt to protect against potential adverse changes in the market value of portfolio instruments. The Fund also may use derivatives to attempt to protect the NAV of the Fund, to facilitate the sale of certain portfolio instruments, to manage the Fund’s effective interest rate exposure, to attempt to manage the effective maturity or duration of securities in the Fund’s portfolio and as a temporary substitute for purchasing or selling particular instruments. From time to time, the Fund also may enter into derivative transactions to create investment exposure to the extent such transactions may facilitate implementation of its strategy more efficiently than through outright purchases or sales of portfolio instruments.

Certain investment policies specifically identified in this SAI as such are considered fundamental and may not be changed without shareholder approval. See “Investment Restrictions.” All of the Fund’s other investment policies are not considered to be fundamental by the Fund and can be changed by the Board of Trustees without a vote of the shareholders. However, the Fund’s policy of investing at least 80% of its Assets in municipal securities, the income on which is exempt from regular U.S. federal income tax, is a fundamental policy. The Fund cannot change its fundamental policies without the approval of the holders of a “majority of the outstanding” Common Shares. When used with respect to particular shares of the Fund, a “majority of the outstanding” shares means (i) 67% or more of the shares present at a meeting, if the holders of more than 50% of the shares are present or represented by proxy or (ii) more than 50% of the shares, whichever is less.

LEVERAGE

The Fund anticipates using leverage to pursue its investment objective. The Fund may use leverage to the extent permitted under the 1940 Act. The Fund may source leverage initially and throughout the life of the Fund through a number of methods including through borrowings, issuing preferred shares of beneficial interest (“Preferred Shares”), which have seniority over the Common Shares, the issuance of debt securities, entering into reverse repurchase agreements (effectively a borrowing), and investing in residual interest certificates of tender option bond trusts, also called inverse floating rate securities, that have the economic effect of leverage because the Fund’s investment exposure to the underlying bonds held by the trust have been effectively financed by the trust’s issuance of floating rate certificates. In addition, the Fund may use derivatives that may have the economic effect of leverage. The sources of leverage will vary depending on market conditions. See “Leverage,” “ Risks—Portfolio Level Risks—Inverse Floating Rate Securities Risk,” and “Portfolio Composition and Other Information—Derivatives.” The Fund anticipates using such leverage in an aggregate amount equal to approximately 32% of the Fund’s Managed Assets, if current market conditions persist.

The Fund may issue “senior securities” as defined under the 1940 Act. “Senior securities” include (i) the issuance of Preferred Shares; (ii) borrowings (including loans from financial institutions); and (iii) the issuance of debt securities. “Senior securities” have seniority over the Common Shares in regard to the income and assets of the Fund.

Reverse repurchase agreements involve the sale of securities held by the Fund with an agreement to repurchase the securities at an agreed-upon price, date and interest payment. Selling a portfolio security and agreeing to buy it back under a reverse repurchase agreement is economically equivalent to borrowing. See “Risks—Portfolio Level Risks—Reverse Repurchase Agreement Risk” in the Prospectus.

The Fund may use derivatives, such as interest rate swaps with varying terms, in order to hedge duration risk or manage the interest rate expense associated with all or a portion of its leverage. Interest rate swaps are bi-lateral agreements whereby parties agree to exchange future payments, typically based upon the differential of a fixed rate and a variable rate, on a specified notional amount. Interest rate swaps can enable the Fund to effectively convert its variable leverage expense to fixed, or vice-versa. For example, if the Fund issues leverage having a short-term floating rate of interest, the Fund could use interest rate swaps to hedge against a rise in the short-term benchmark interest rates associated with its outstanding leverage. In doing so, the Fund would seek to

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achieve lower leverage costs, and thereby enhance Common Share distributions, over an extended period, which would be the result if short-term market interest rates on average exceed the fixed interest rate over the term of the swap. To the extent the fixed swap rate is greater than short-term market interest rates on average over the period, overall costs associated with leverage will be greater (and thereby reduce distributions to Common Shareholders) than if the Fund had not entered into the interest rate swap(s). See “Portfolio Composition and Other Information—Derivatives” in the Prospectus.

So long as the net income received from the Fund’s investments purchased with leverage proceeds exceeds the current expense of any leverage, the investment of the proceeds of leverage will generate more net income than if the Fund had not leveraged itself. Under these circumstances, the excess net income will be available to pay higher distributions to Common Shareholders. However, if the net income received from the Fund’s portfolio investments purchased with the proceeds of leverage is less than the current expense of any leverage, the Fund may be required to utilize other Fund assets to make interest and/or dividend payments on its leveraging instruments, which may result in a decline in Common Share NAV and reduced net investment income available for distribution to Common Shareholders.

In pursuit of its investment objective, the Fund has the ability to actively and dynamically reduce or increase the amount and type of leverage based upon changes in market conditions, composition of the Fund’s holdings and remaining time until the Fund’s Termination Date. The Fund’s leverage ratio will vary from time to time based upon such changes in the amount of leverage used and variations in the value of the Fund’s holdings.

The Fund pays a management fee to Nuveen Fund Advisors (which in turn pays a portion of such fee to Nuveen Asset Management) based on a percentage of Managed Assets. Managed Assets include the proceeds realized and managed from the Fund’s use of most types of leverage (excluding the leverage exposure attributable to the use of futures, swaps and similar derivatives). Because Managed Assets include the Fund’s net assets as well as assets that are attributable to the Fund’s investment of the proceeds of its leverage, it is anticipated that the Fund’s Managed Assets will be greater than its net assets. Nuveen Fund Advisors and Nuveen Asset Management will be responsible for using leverage to pursue the Fund’s investment objective. Nuveen Fund Advisors and Nuveen Asset Management will base their decision regarding whether and how much leverage to use for the Fund, and the terms of that leverage, on their assessment of whether such use of leverage is in the best interests of the Fund. However, a decision to employ or increase leverage will have the effect, all other things being equal, of increasing Managed Assets and in turn Nuveen Fund Advisors’ and Nuveen Asset Management’s management fees. Thus, Nuveen Fund Advisors and Nuveen Asset Management may have a conflict of interest in determining whether to use or increase leverage. Nuveen Fund Advisors and Nuveen Asset Management will seek to manage that potential conflict by using leverage only when they determine that it would be in the best interests of the Fund and its Common Shareholders, and by periodically reviewing with the Board of Trustees the Fund’s performance and the Fund’s degree of overall use of leverage and the impact of the use of leverage on that performance.

The 1940 Act generally defines a “senior security” as any bond, debenture, note, or similar obligation or instrument constituting a security and evidencing indebtedness, and any stock of a class having priority over any other class as to distribution of assets or payment of dividends; however, the term does not include any promissory note or other evidence of indebtedness issued in consideration of any loan, extension, or renewal thereof, made for temporary purposes and in an amount not exceeding five percent of the value of the Fund’s total assets. A loan shall be presumed to be for temporary purposes if it is repaid within 60 days and is not extended or renewed.

Under the 1940 Act, the Fund is not permitted to issue “senior securities” that are Preferred Shares if, immediately after the issuance of Preferred Shares, the asset coverage ratio with respect to such Preferred Shares would be less than 200%. With respect to any such Preferred Shares, asset coverage means the ratio which the value of the total assets of the Fund, less all liabilities and indebtedness not represented by senior securities, bears to the aggregate amount of senior securities representing indebtedness of the Fund plus the aggregate liquidation preference of such Preferred Shares.

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Under the 1940 Act, the Fund is not permitted to issue “senior securities representing indebtedness” if, immediately after the issuance of such senior securities representing indebtedness, the asset coverage ratio with respect to such senior securities would be less than 300%. “Senior securities representing indebtedness” include borrowings (including loans from financial institutions) and debt securities. “Senior securities representing indebtedness” also include other derivative investments or transactions, such as reverse repurchase agreements, to the extent the Fund has not fully covered, segregated or earmarked cash or liquid assets in accordance with the 1940 Act, the rules thereunder, and applicable positions of the SEC and its staff. With respect to any such senior securities representing debt, asset coverage means the ratio which the value of the total assets of the Fund, less all liabilities and indebtedness not represented by senior securities (as defined in the 1940 Act), bears to the aggregate amount of such borrowing represented by senior securities issued by the Fund.

If the Fund issues senior securities and the asset coverage with respect to such senior securities declines below the required ratios discussed above (as a result of market fluctuations or otherwise), the Fund may sell portfolio securities when it may be disadvantageous to do so.

Certain types of leverage used by the Fund may result in the Fund being subject to certain covenants, asset coverage or other portfolio composition limits by its lenders, debt or preferred securities purchasers, rating agencies that may rate the debt or preferred securities, or reverse repurchase counterparties. Such limitations may be more stringent than those imposed by the 1940 Act and may impact whether the Fund is able to maintain its desired amount of leverage. At this time Nuveen Fund Advisors does not believe that any such potential investment limitations will impede it from managing the Fund’s portfolio in accordance with its investment objective and policies.

Utilization of leverage is a speculative investment technique and involves certain risks to the Common Shareholders, including increased variability of the Fund’s net income, distributions and NAV in relation to market changes. See “Risks—Fund Level Risks—Leverage Risk” in the Prospectus. There is no assurance that the Fund will use leverage or that the Fund’s use of leverage will work as planned or achieve its goals.

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INVESTMENT RESTRICTIONS

Except as described below, the Fund, as a fundamental policy, may not, without the approval of the holders of a majority of the outstanding Common Shares and, if issued, Preferred Shares voting together as a single class, and of the holders of a majority of the outstanding Preferred Shares voting as a separate class:

(1) Issue senior securities, as defined in the 1940 Act, except as permitted by the 1940 Act¹;

(2) Borrow money, except as permitted by the 1940 Act and exemptive orders granted under the 1940 Act^1,2;

(3) Act as underwriter of another issuer’s securities, except to the extent that the Fund may be deemed to be an underwriter within the meaning of the Securities Act of 1933, as amended (the “1933 Act”) in connection with the purchase and sale of portfolio securities;

(4) Invest more than 25% of its total assets in securities of issuers in any one industry; provided, however, that such limitation shall not apply to municipal securities other than those municipal securities backed principally by the assets and revenues of non-governmental users³;

(5) Purchase or sell real estate, but this shall not prevent the Fund from investing in municipal securities secured by real estate or interests therein or foreclosing upon and selling such real estate;

(6) Purchase or sell physical commodities unless acquired as a result of ownership of securities or other instruments (but this shall not prevent the Fund from purchasing or selling options, futures contracts or derivative instruments or from investing in securities or other instruments backed by physical commodities);

(7) Make loans, except as permitted by the 1940 Act and exemptive orders granted under the 1940 Act⁴; and

(8) With respect to 75% of the value of the Fund’s total assets, purchase any securities (other than obligations issued or guaranteed by the United States government or by its agencies or instrumentalities and

¹ Section 18(c) of the 1940 Act generally limits a registered closed-end investment company to issuing one class of senior securities representing indebtedness and one class of senior securities representing stock, except that the class of indebtedness or stock may be issued in one or more series, and promissory notes or other evidences of indebtedness issued in consideration of any loan, extension, or renewal thereof, made by a bank or other person and privately arranged, and not intended to be publicly distributed, are not deemed a separate class of senior securities.

² Section 18(a) of the 1940 Act generally prohibits a registered closed-end fund from incurring borrowings if, immediately thereafter, the aggregate amount of its borrowings exceeds 33¹/₃% of its total assets. The Fund has not applied for, and currently does not intend to apply for, such exemptive relief, but reserves the right to do so in the future.

³ For purposes of this restriction, governments and their political subdivisions are not part of any industry.

⁴ Section 21 of the 1940 Act makes it unlawful for a registered investment company, like the Fund, to lend money or other property if (i) the investment company’s policies set forth in its registration statement do not permit such a loan or (ii) the borrower controls or is under common control with the investment company. The SEC has granted to Nuveen Fund Advisors, and to certain funds to which it advises, exemptive relief from Section 21 (the “NFA Section 21 Relief”). The NFA Section 21 Relief may be relied upon by the Fund, so long as the Fund complies with the terms and conditions of the NFA Section 21 Relief.

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securities of other investment companies), if as a result more than 5% of the Fund’s total assets would then be invested in securities of a single issuer or if as a result the Fund would hold more than 10% of the outstanding voting securities of any single issuer.

For the purpose of applying the 25% industry limitation set forth in subparagraph (4) above, the Fund will consider the investments of underlying investment companies when determining compliance with its concentration policy, to the extent the Fund has sufficient information about such investments.

For the purpose of applying the limitation set forth in subparagraph (8) above, an issuer shall be deemed the sole issuer of a security when its assets and revenues are separate from other governmental entities and its securities are backed only by its assets and revenues. Similarly, in the case of a non-governmental issuer, such as an industrial corporation or a privately owned or operated hospital, if the security is backed only by the assets and revenues of the non-governmental issuer, then such non-governmental issuer would be deemed to be the sole issuer. Where a security is also backed by the enforceable obligation of a superior or unrelated governmental or other entity (other than a bond insurer), it shall also be included in the computation of securities owned that are issued by such governmental or other entity. Where a security is guaranteed by a governmental entity or some other facility, such as a bank guarantee or letter of credit, such a guarantee or letter of credit would be considered a separate security and would be treated as an issue of such government, other entity or bank. When a municipal security is insured by bond insurance, it shall not be considered a security that is issued or guaranteed by the insurer; instead, the issuer of such municipal security will be determined in accordance with the principles set forth above. The foregoing restrictions do not limit the percentage of the Fund’s assets that may be invested in municipal securities insured by any given insurer.

Under the 1940 Act, the Fund may invest only up to 10% of its total assets in the aggregate in shares of other investment companies and only up to 5% of its total assets in any one investment company, provided the investment does not represent more than 3% of the voting stock of the acquired investment company at the time such shares are purchased. As a shareholder in any investment company, the Fund will bear its ratable share of that investment company’s expenses, and will also remain subject to payment of the Fund’s management, advisory and administrative fees with respect to assets so invested. Holders of Common Shares would therefore be subject to duplicative expenses to the extent the Fund invests in other investment companies.

In addition to the foregoing fundamental investment policies, the Fund is also subject to the following non-fundamental restrictions and policies, which may be changed by the Board of Trustees upon 60 days’ prior written notice to shareholders. The Fund may not:

(1) Purchase securities of open-end or closed-end investment companies except in compliance with the 1940 Act or any exemptive relief obtained thereunder; and

(2) Purchase securities of companies for the purpose of exercising control, except to the extent that exercise by the Fund of its rights under loan agreements would be deemed to constitute exercising control.

The Fund may be subject to certain restrictions imposed by guidelines of one or more credit rating agencies that may issue ratings for Preferred Shares, commercial paper or notes, or, if the Fund borrows from a lender, by the lender. These guidelines may impose asset coverage or portfolio composition requirements that are more stringent than those imposed on the Fund by the 1940 Act. If these restrictions were to apply, it is not anticipated that these guidelines will impede Nuveen Fund Advisors or Nuveen Asset Management from managing the Fund’s portfolio in accordance with the Fund’s investment objective and policies.

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PORTFOLIO COMPOSITION AND OTHER INFORMATION

The following information supplements the discussion of the Fund’s investment objective, policies, and strategies that are described in the Prospectus.

Municipal Securities

General.    The Fund may invest in various municipal securities, including municipal bonds and notes, other securities issued to finance and refinance public projects, and other related securities and derivative instruments creating exposure to municipal bonds, notes and securities that provide for the payment of interest income that is exempt from regular federal income tax. Municipal securities are often issued by state and local governmental entities to finance or refinance public projects such as roads, schools, and water supply systems. Municipal securities may also be issued on behalf of private entities or for private activities, such as housing, medical and educational facility construction, or for privately owned transportation, electric utility and pollution control projects. Municipal securities may be issued on a long term basis to provide permanent financing. The repayment of such debt may be secured generally by a pledge of the full faith and credit taxing power of the issuer, a limited or special tax, or any other revenue source, including project revenues, which may include tolls, fees and other user charges, lease payments and mortgage payments. Municipal securities may also be issued to finance projects on a short-term interim basis, anticipating repayment with the proceeds of the later issuance of long-term debt. The Fund may purchase municipal securities in the form of bonds, notes, leases or certificates of participation; structured as callable or non-callable; with payment forms including fixed coupon, variable rate, zero coupon, capital appreciation bonds, tender option bonds, and residual interest bonds or inverse floating rate securities; or acquired through investments in pooled vehicles, partnerships or other investment companies. Inverse floating rate securities are securities that pay interest at rates that vary inversely with changes in prevailing short-term tax-exempt interest rates and represent a leveraged investment in an underlying municipal security, which could have the economic effect of leverage.

Municipal Leases and Certificates of Participation.    Also included within the general category of municipal securities described in the Prospectus are municipal leases, certificates of participation in such lease obligations or installment purchase contract obligations (hereinafter collectively called “Municipal Lease Obligations”) of municipal authorities or entities. Although a Municipal Lease Obligation does not constitute a general obligation of the municipality for which the municipality’s taxing power is pledged, a Municipal Lease Obligation is ordinarily backed by the municipality’s covenant to budget for, appropriate and make the payments due under the Municipal Lease Obligation. However, certain Municipal Lease Obligations contain “non-appropriation” clauses which provide that the municipality has no obligation to make lease or installment purchase payments in future years unless money is appropriated for such purpose on a yearly basis. In the case of a “non-appropriation” lease, the Fund’s ability to recover under the lease in the event of non-appropriation or default will be limited solely to the repossession of the leased property, without recourse to the general credit of the lessee, and disposition or releasing of the property might prove difficult. In order to reduce this risk, the Fund will only purchase Municipal Lease Obligations where Nuveen Asset Management believes the issuer has a strong incentive to continue making appropriations until maturity.

Pre-Refunded Municipal Securities.    The principal of and interest on pre-refunded municipal securities are no longer paid from the original revenue source for the securities. Instead, the source of such payments is typically an escrow fund consisting of U.S. government securities. The assets in the escrow fund are derived from the proceeds of refunding bonds issued by the same issuer as the pre-refunded municipal securities. Issuers of municipal securities use this advance refunding technique to obtain more favorable terms with respect to securities that are not yet subject to call or redemption by the issuer. For example, advance refunding enables an issuer to refinance debt at lower market interest rates, restructure debt to improve cash flow or eliminate restrictive covenants in the indenture or other governing instrument for the pre-refunded municipal securities. However, except for a change in the revenue source from which principal and interest payments are made, the pre-refunded municipal securities remain outstanding on their original terms until they mature or are redeemed by the issuer. The 2017 Tax Cuts and Jobs Act repealed the exclusion from gross income for interest on pre-refunded municipal securities effective for such bonds issued after December 31, 2017.

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Private Activity Bonds.    Private activity bonds, formerly referred to as industrial development bonds, are issued by or on behalf of public authorities to obtain funds to provide privately operated housing facilities, airport, mass transit or port facilities, sewage disposal, solid waste disposal or hazardous waste treatment or disposal facilities and certain local facilities for water supply, gas or electricity. Other types of private activity bonds, the proceeds of which are used for the construction, equipment, repair or improvement of privately operated industrial or commercial facilities, may constitute municipal securities, although the current federal tax laws place substantial limitations on the size of such issues. Under current law, a significant portion of the private activity bond market is comprised of AMT Bonds. “AMT Bonds” are municipal securities that pay interest that is taxable under the federal alternative minimum tax applicable to noncorporate taxpayers. The Fund’s distributions of its interest income from private activity bonds may subject certain investors to the federal alternative minimum tax.

Special Taxing Districts.    Special taxing districts are organized to plan and finance infrastructure development to induce residential, commercial and industrial growth and redevelopment. The bond financing methods such as tax increment finance, tax assessment, special services district and Mello-Roos bonds, are generally payable solely from taxes or other revenues attributable to the specific projects financed by the bonds without recourse to the credit or taxing power of related or overlapping municipalities. They often are exposed to real estate development-related risks and can have more taxpayer concentration risk than general tax-supported bonds, such as general obligation bonds. Further, the fees, special taxes, or tax allocations and other revenues that are established to secure such financings are generally limited as to the rate or amount that may be levied or assessed and are not subject to increase pursuant to rate covenants or municipal or corporate guarantees. The bonds could default if development failed to progress as anticipated or if larger taxpayers failed to pay the assessments, fees and taxes as provided in the financing plans of the districts.

Hedging Strategies and Other Uses of Derivatives

The Fund may periodically engage in hedging transactions, and otherwise use various types of derivative instruments, described below, to reduce risk, to effectively gain particular market exposures, to seek to enhance returns, and to reduce transaction costs, among other reasons. The Fund will value derivative instruments at market/fair value for purposes of calculating compliance with the Fund’s 80% investment policy in investments the income from which is exempt from regular federal income tax.

“Hedging” is a term used for various methods of seeking to preserve portfolio capital value by offsetting price changes in one investment through making another investment whose price should tend to move in the opposite direction.

A “derivative” is a financial contract whose value is based on (or “derived” from) a traditional security (such as a stock or a bond), an asset (such as a commodity like gold), or a market index (such as the Lehman Municipal Bond Index). Some forms of derivatives may trade on exchanges, while non-standardized derivatives, which tend to be more specialized and complex, trade in “over-the-counter” or a one-on-one basis. It may be desirable and possible in various market environments to partially hedge the portfolio against fluctuations in market value due to market interest rate or credit quality fluctuations, or instead to gain a desired investment exposure, by entering into various types of derivative transactions, including financial futures and index futures as well as related put and call options on such instruments, structured notes, or interest rate swaps on taxable or tax-exempt securities or indexes (which may be “forward-starting”), credit default swaps, and options on interest rate swaps, among others.

These transactions present certain risks. In particular, the imperfect correlation between price movements in the futures contract and price movements in the securities being hedged creates the possibility that losses on the hedge by a Fund may be greater than gains in the value of the securities in the Fund’s portfolio. In addition, futures and options markets may not be liquid in all circumstances. As a result, in volatile markets, the Fund may not be able to close out the transaction without incurring losses substantially greater than the initial deposit.

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Finally, the potential deposit requirements in futures contracts create an ongoing greater potential financial risk than do options transactions, where the exposure is limited to the cost of the initial premium. Losses due to hedging transactions will reduce yield. Net gains, if any, from hedging and other portfolio transactions will be distributed as taxable distributions to shareholders. Successful implementation of most hedging strategies will generate taxable income.

The Fund will invest in these instruments only in markets believed by Nuveen Asset Management to be active and sufficiently liquid. Successful implementation of most hedging strategies will generate taxable income.

Swap Transactions.    The Fund may enter into total return, interest rate and credit default swap agreements and interest rate caps, floors and collars. The Fund may also enter into options on the foregoing types of swap agreements (“swap options”).

The Fund may enter into swap transactions for any purpose consistent with its investment objective and strategies, such as for the purpose of attempting to obtain or preserve a particular return or spread at a lower cost than obtaining a return or spread through purchases and/or sales of instruments in other markets, as a duration management technique, to attempt to reduce risk arising from the ownership of a particular instrument, or to gain exposure to certain sectors or markets in the most economical way possible.

Swap agreements are two party contracts entered into primarily by institutional investors for a specified period of time. In a standard swap transaction, two parties agree to exchange the returns (or differentials in rates of return) earned or realized on a particular predetermined asset, reference rate or index. The gross returns to be exchanged or swapped between the parties are generally calculated with respect to a notional amount, e.g., the return on or increase in value of a particular dollar amount invested at a particular interest rate or in a basket of securities representing a particular index. The notional amount of the swap agreement generally is only used as a basis upon which to calculate the obligations that the parties to the swap agreement have agreed to exchange. See “—Segregation of Assets” below.

Some, but not all, swaps may be cleared, in which case a central clearing counterparty stands between each buyer and seller and effectively guarantees performance of each contract, to the extent of its available resources for such purpose. Uncleared swaps have no such protection; each party bears the risk that its direct counterparty will default.

Interest Rate Swaps, Caps, Collars and Floors.    Interest rate swaps are bilateral contracts in which each party agrees to make periodic payments to the other party based on different referenced interest rates (e.g., a fixed rate and a floating rate) applied to a specified notional amount. The purchase of an interest rate floor entitles the purchaser, to the extent that a specified index falls below a predetermined interest rate, to receive payments of interest on a notional principal amount from the party selling such interest rate floor. The purchase of an interest rate cap entitles the purchaser, to the extent that a specified index rises above a predetermined interest rate, to receive payments of interest on a notional principal amount from the party selling such interest rate cap. Interest rate collars involve selling a cap and purchasing a floor or vice versa to protect the Fund against interest rate movements exceeding given minimum or maximum levels.

Depending on the state of interest rates in general, the Fund’s use of interest rate swaps could enhance or harm the overall performance of Common Shares. To the extent interest rates decline, the value of the interest rate swap could decline, and could result in a decline in the NAV of Common Shares. In addition, if the counterparty to an interest rate swap defaults, the Fund would not be able to use the anticipated net receipts under the swap to offset the interest payments on borrowings or the dividend payments on any outstanding preferred shares. Depending on whether the Fund would be entitled to receive net payments from the counterparty on the swap, which in turn would depend on the general state of short-term interest rates at that point in time, such a default could negatively impact the performance of Common Shares. In addition, at the time an interest rate swap

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transaction reaches its scheduled termination date, there is a risk that the Fund would not be able to obtain a replacement transaction or that the terms of the replacement would not be as favorable as on the expiring transaction. If this occurs, it could have a negative impact on the performance of Common Shares. The Fund could be required to prepay the principal amount of any borrowings. Such redemption or prepayment would likely result in the Fund seeking to terminate early all or a portion of any swap transaction. Early termination of a swap could result in a termination payment by or to the Fund.

Total Return Swaps.    In a total return swap, one party agrees to pay the other the “total return” of a defined underlying asset during a specified period, in return for periodic payments based on a fixed or variable interest rate or the total return from other underlying assets. A total return swap may be applied to any underlying asset but is most commonly used with equity indices, single stocks, bonds and defined baskets of loans and mortgages. The Fund might enter into a total return swap involving an underlying index or basket of securities to create exposure to a potentially widely-diversified range of securities in a single trade. An index total return swap can be used by Nuveen Asset Management to assume risk, without the complications of buying the component securities from what may not always be the most liquid of markets.

Credit Default Swaps.    A credit default swap is a bilateral contract that enables an investor to buy or sell protection against a defined-issuer credit event. The Fund may enter into credit default swap agreements either as a buyer or a seller. The Fund may buy protection to attempt to mitigate the risk of default or credit quality deterioration in an individual security or a segment of the fixed income securities market to which it has exposure, or to take a “short” position in individual bonds or market segments which it does not own. The Fund may sell protection in an attempt to gain exposure to the credit quality characteristics of particular bonds or market segments without investing directly in those bonds or market segments.

As the buyer of protection in a credit default swap, the Fund would pay a premium (by means of an upfront payment or a periodic stream of payments over the term of the agreement) in return for the right to deliver a referenced bond or group of bonds to the protection seller and receive the full notional or par value (or other agreed upon value) upon a default (or similar event) by the issuer(s) of the underlying referenced obligation(s). If no default occurs, the protection seller would keep the stream of payments and would have no further obligation to the Fund. Thus, the cost to the Fund would be the premium paid with respect to the agreement. If a credit event occurs, however, the Fund may elect to receive the full notional value of the swap in exchange for an equal face amount of deliverable obligations of the reference entity that may have little or no value. The Fund bears the risk that the protection seller may fail to satisfy its payment obligations. If the Fund sells or writes credit default swaps, the Fund will segregate the full notional amount of the payment obligation under the credit default swap that must be paid upon the occurrence of a credit event. See “—Segregation of Assets” below.

If the Fund is a seller of protection in a credit default swap and no credit event occurs, the Fund would generally receive an up-front payment or a periodic stream of payments over the term of the swap. If a credit event occurs, however, generally the Fund would have to pay the buyer the full notional value of the swap in exchange for an equal face amount of deliverable obligations of the reference entity that may have little or no value. As the protection seller, the Fund effectively adds leverage to its portfolio because, in addition to being subject to investment exposure on its total net assets, the Fund is subject to investment exposure on the notional amount of the swap. Thus, the Fund bears the same risk as it would by buying the reference obligation(s) directly, plus the additional risks related to obtaining investment exposure through a derivative instrument discussed below under “—Risks Associated with Swap Transactions.”

Swap Options.    A swap option is a contract that gives a counterparty the right (but not the obligation), in return for payment of a premium, to enter into a new swap agreement or to shorten, extend, cancel, or otherwise modify an existing swap agreement at some designated future time on specified terms. A cash-settled option on a swap gives the purchaser the right, in return for the premium paid, to receive an amount of cash equal to the value of the underlying swap as of the exercise date. The Fund may write (sell) and purchase put and call swap options. Depending on the terms of the particular option agreement, the Fund generally would incur a greater

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degree of risk when it writes a swap option than when it purchases a swap option. When the Fund purchases a swap option, it risks losing only the amount of the premium it has paid should it decide to let the option expire unexercised. However, when the Fund writes a swap option, upon exercise of the option the Fund would become obligated according to the terms of the underlying agreement.

Risks Associated with Swap Transactions.    The use of swap transactions is a highly specialized activity which involves strategies and risks different from those associated with ordinary portfolio security transactions. See “Risks—Portfolio Level Risks—Risk of Swaps and Swap Options” in the Prospectus.

Futures and Options on Futures.    A futures contract is an agreement between two parties to buy and sell a security, index or interest rate (each a “financial instrument”) for a set price on a future date. Certain futures contracts, such as futures contracts relating to individual securities, call for making or taking delivery of the underlying financial instrument. However, these contracts generally are closed out before delivery by entering into an offsetting purchase or sale of a matching futures contract (same exchange, underlying financial instrument, and delivery month). Other futures contracts, such as futures contracts on interest rates and indices, do not call for making or taking delivery of the underlying financial instrument, but rather are agreements pursuant to which two parties agree to take or make delivery of an amount of cash equal to the difference between the value of the financial instrument at the close of the last trading day of the contract and the price at which the contract was originally written. These contracts also may be settled by entering into an offsetting futures contract.

Unlike when the Fund purchases or sells a security, no price is paid or received by the Fund upon the purchase or sale of a futures contract. Initially, the Fund will be required to deposit with the futures broker, known as a futures commission merchant (“FCM”), an amount of cash or securities equal to a varying specified percentage of the contract amount. This amount is known as initial margin. The margin deposit is intended to ensure completion of the contract. Minimum initial margin requirements are established by the futures exchanges and may be revised. In addition, FCMs may establish margin deposit requirements that are higher than the exchange minimums. Cash held in the margin account generally is not income producing. However, couponbearing securities, such as Treasury securities, held in margin accounts generally will earn income. Subsequent payments to and from the FCM, called variation margin, will be made on a daily basis as the price of the underlying financial instrument fluctuates, making the futures contract more or less valuable, a process known as marking the contract to market. Changes in variation margin are recorded by the Fund as unrealized gains or losses. At any time prior to expiration of the futures contract, the Fund may elect to close the position by taking an opposite position that will operate to terminate its position in the futures contract. A final determination of variation margin is then made, additional cash is required to be paid by or released to the Fund, and the Fund realizes a gain or loss. In the event of the bankruptcy or insolvency of an FCM that holds margin on behalf of the Fund, the Fund may be entitled to the return of margin owed to it only in proportion to the amount received by the FCM’s other customers, potentially resulting in losses to the Fund. Futures transactions also involve brokerage costs and the Fund may have to segregate additional liquid assets in accordance with applicable SEC requirements. See “—Segregation of Assets” below.

A futures option gives the purchaser of such option the right, in return for the premium paid, to assume a long position (call) or short position (put) in a futures contract at a specified exercise price at any time during the period of the option. Upon exercise of a call option, the purchaser acquires a long position in the futures contract and the writer is assigned the opposite short position. Upon the exercise of a put option, the opposite is true.

The requirements for qualification as a regulated investment company (“RIC”) under the Internal Revenue Code of 1986, as amended (the “Internal Revenue Code”) may also limit the extent to which the Fund may invest in futures, options on futures and swaps. See “Tax Matters.”

Nuveen Fund Advisors and Nuveen Asset Management may use derivative instruments to seek to enhance return, to attempt to hedge some of the risk of the Fund’s investments in municipal securities, to attempt to

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manage the effective maturity or duration of securities in the Fund’s portfolio or as a substitute for a position in the underlying asset. These types of strategies may generate taxable income.

There is no assurance that these derivative strategies will be available at any time or that Nuveen Fund Advisors and Nuveen Asset Management will determine to use them for the Fund or, if used, that the strategies will be successful.

Illiquid Securities

The Fund may invest in illiquid securities (i.e., securities that are not readily marketable), including, but not limited to, restricted securities (securities the disposition of which is restricted under the federal securities laws), securities that may be resold only pursuant to Rule 144A under the Securities Act of 1933 (“1933 Act”) that are deemed to be illiquid, and certain repurchase agreements.

Restricted securities may be sold only in privately negotiated transactions or in a public offering with respect to which a registration statement is in effect under the 1933 Act. Where registration is required, the Fund may be obligated to pay all or part of the registration expenses and a considerable period may elapse between the time of the decision to sell and the time the Fund may be permitted to sell a security under an effective registration statement. If, during such a period, adverse market conditions were to develop, the Fund might obtain a less favorable price than that which prevailed when it decided to sell. To the extent that the Board of Trustees or its delegatee determines that the price of any illiquid security provided by the pricing service is inappropriate, such security will be priced at a fair value as determined in good faith by the Board or its delegatee.

Inverse Floating Rate Securities and Floating Rate Securities

Inverse Floating Rate Securities.    Inverse floating rate securities (sometimes referred to as “inverse floaters”) are securities whose interest rates bear an inverse relationship to the interest rate on another security or the value of an index. Generally, inverse floating rate securities represent beneficial interests in a special purpose trust formed for the purpose of holding municipal bonds. The special purpose trust typically sells two classes of beneficial interests or securities: floating rate securities (sometimes referred to as short-term floaters or tender option bonds) and inverse floating rate securities (sometimes referred to as inverse floaters or residual interest securities). Both classes of beneficial interests are represented by certificates. The short-term floating rate securities have first priority on the cash flow from the municipal bonds held by the special purpose trust. Typically, a third party, such as a bank, broker-dealer or other financial institution, grants the floating rate security holders the option, at periodic intervals, to tender their securities to the institution and receive the face value thereof. As consideration for providing the option, the financial institution receives periodic fees. The holder of the short-term floater effectively holds a demand obligation that bears interest at the prevailing short-term, tax-exempt rate. However, the institution granting the tender option will not be obligated to accept tendered short-term floaters in the event of certain defaults or a significant downgrade in the credit rating assigned to the bond issuer. For its inverse floating rate investment, the Fund receives the residual cash flow from the special purpose trust. Because the holder of the short-term floater is generally assured liquidity at the face value of the security, the Fund as the holder of the inverse floater assumes the interest rate cash flow risk and the market value risk associated with the municipal security deposited into the special purpose trust. The volatility of the interest cash flow and the residual market value will vary with the degree to which the trust is leveraged. This is expressed in the ratio of the total face value of the short-term floaters in relation to the value of the residual inverse floaters that are issued by the special purpose trust. The Fund expects to make limited investments in inverse floaters, with leverage ratios that may vary at inception between one and three times. In addition, all voting rights and decisions to be made with respect to any other rights relating to the municipal bonds held in the special purpose trust are passed through to the Fund, as the holder of the residual inverse floating rate securities. Because increases in the interest rate on the short-term floaters reduce the residual interest paid on inverse floaters, and because fluctuations in the value of the municipal bond deposited in the special purpose trust affect the value of the inverse floater only, and not the value of the short-term floater issued by the trust, inverse

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floaters’ value is generally more volatile than that of fixed rate bonds. The market price of inverse floating rate securities is generally more volatile than the underlying securities due to the leveraging effect of this ownership structure. These securities generally will underperform the market of fixed rate bonds in a rising interest rate environment (i.e., when bond values are falling), but tend to outperform the market of fixed rate bonds when interest rates decline or remain relatively stable. Although volatile, inverse floaters typically offer the potential exceeding the yields available on fixed rate bonds with comparable credit quality, coupon, call provisions and maturity. Inverse floaters have varying degrees of liquidity based upon, among other things, the liquidity of the underlying securities deposited in a special purpose trust.

The Fund may invest in inverse floating rate securities, issued by special purpose trusts that have recourse to the Fund. In Nuveen Fund Advisors’ and Nuveen Asset Management’s discretion, the Fund may enter into a separate shortfall and forbearance agreement with the liquidity provider to a special purpose trust. The Fund may enter into such recourse agreements (i) when the liquidity provider to the special purpose trust requires such an agreement because the level of leverage in the trust exceeds the level that the liquidity provider is willing to support absent such an agreement; and/or (ii) to seek to prevent the liquidity provider from collapsing the trust in the event that the municipal obligation held in the trust has declined in value. Such an agreement would require the Fund to reimburse the third party granting liquidity to the floating rate security holders of the special purpose trust, upon termination of the trust issuing the inverse floater, the difference between the liquidation value of the bonds held in the trust and the principal amount due to the holders of floating rate interests. Such agreements may expose the Fund to a risk of loss that exceeds its investment in the inverse floating rate securities. The Fund will segregate or earmark liquid assets with its custodian in accordance with the 1940 Act to cover its obligations with respect to its investments in special purpose trusts. Absent a shortfall and forbearance agreement, the Fund would not be required to make such a reimbursement. If the Fund chooses not to enter into such an agreement, the special purpose trust could be liquidated and the Fund could incur a loss. See also “—Segregation of Assets.”

The Fund may invest in both inverse floating rate securities and floating rate securities (as discussed below) issued by the same special purpose trust.

Investments in inverse floating rate securities have the economic effect of leverage. The use of leverage creates special risks for Common Shareholders. See the Prospectus under “Risks—Portfolio Level Risks—Inverse Floating Rate Securities Risk.”

Floating Rate Securities.    The Fund may also invest in floating rate securities, as described above, issued by special purpose trusts. Floating rate securities may take the form of short-term floating rate securities or the option period may be substantially longer. Generally, the interest rate earned will be based upon the market rates for municipal securities with maturities or remarketing provisions that are comparable in duration to the periodic interval of the tender option, which may vary from weekly, to monthly, to extended periods of one year or multiple years. Since the option feature has a shorter term than the final maturity or first call date of the underlying bond deposited in the trust, the Fund as the holder of the floating rate security relies upon the terms of the agreement with the financial institution furnishing the option as well as the credit strength of that institution. As further assurance of liquidity, the terms of the trust provide for a liquidation of the municipal security deposited in the trust and the application of the proceeds to pay off the floating rate security. The trusts that are organized to issue both short-term floating rate securities and inverse floaters generally include liquidation triggers to protect the investor in the floating rate security.

Other Investment Companies

The Fund may invest in securities of other open or closed-end investment companies (including ETFs) that invest primarily in municipal securities of the types in which the Fund may invest directly. In addition, the Fund may invest a portion of its Managed Assets in pooled investment vehicles (other than investment companies) that invest primarily in municipal securities of the types in which the Fund may invest directly. The

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Fund generally expects that it may invest in other investment companies and/or other pooled investment vehicles either during periods when it has large amounts of uninvested cash, such as the period shortly after the Fund receives the proceeds of an offering of its Common Shares or borrowing or during periods when there is a shortage of attractive, high-yielding municipal securities available in the market. The Fund may invest in investment companies that are advised by Nuveen Fund Advisors, Nuveen Asset Management or their respective affiliates to the extent permitted by applicable law and/or pursuant to exemptive relief from the SEC. As a stockholder in an investment company, the Fund will bear its ratable share of that investment company’s expenses and would remain subject to payment of the Fund’s management, advisory and administrative fees with respect to assets so invested. Common Shareholders would therefore be subject to duplicative expenses to the extent the Fund invests in other investment companies. The Fund will consider the investments of underlying investment companies when determining compliance with Rule 35d-1 under the 1940 Act. Moreover, the Fund will consider the investments of underlying investment companies when determining compliance with its own concentration policy, to the extent the Fund has sufficient information about such investments.

Nuveen Fund Advisors will take expenses into account when evaluating the investment merits of an investment in an investment company relative to available municipal security investments. In addition, the securities of other investment companies may also be leveraged and will therefore be subject to the same leverage risks described herein. As described in the Fund’s Prospectus, the NAV and market value of leveraged shares will be more volatile and the yield to Common Shareholders will tend to fluctuate more than the yield generated by unleveraged shares.

Repurchase Agreements

As temporary investments, the Fund may invest in repurchase agreements. A repurchase agreement is a contractual agreement whereby the seller of securities (U.S. government securities or municipal securities) agrees to repurchase the same security at a specified price on a future date agreed upon by the parties. The agreed-upon repurchase price determines the yield during the Fund’s holding period. Repurchase agreements are considered to be loans collateralized by the underlying security that is the subject of the repurchase contract. Income generated from transactions in repurchase agreements will be taxable. The Fund will only enter into repurchase agreements with registered securities dealers or domestic banks that, in the opinion of Nuveen Asset Management, present minimal credit risk. The risk to the Fund is limited to the ability of the issuer to pay the agreed-upon repurchase price on the delivery date; however, although the value of the underlying collateral at the time the transaction is entered into always equals or exceeds the agreed-upon repurchase price, if the value of the collateral declines there is a risk of loss of both principal and interest. In the event of default, the collateral may be sold but the Fund might incur a loss if the value of the collateral declines, and might incur disposition costs or experience delays in connection with liquidating the collateral. In addition, if bankruptcy proceedings are commenced with respect to the seller of the security, realization upon the collateral by the Fund may be delayed or limited. Nuveen Asset Management will monitor the value of the collateral at the time the transaction is entered into and at all times subsequent during the term of the repurchase agreement in an effort to determine that such value always equals or exceeds the agreed-upon repurchase price. In the event the value of the collateral declines below the repurchase price, Nuveen Asset Management will demand additional collateral from the issuer to increase the value of the collateral to at least that of the repurchase price, including interest.

Segregation of Assets

As a closed-end investment company registered with the SEC, the Fund is subject to the federal securities laws, including the 1940 Act, the rules thereunder, and various interpretive positions of the SEC and its staff. In accordance with these laws, rules and positions, the Fund must maintain liquid assets (often referred to as “asset segregation”), or engage in other SEC staff-approved measures, to “cover” open positions with respect to certain kinds of derivative instruments and financial agreements (such as reverse repurchase agreements). Generally, the Fund will maintain an amount of liquid assets with its custodian in an amount at least equal to the current amount of its obligations, including the value of unpaid past and future payment obligations, under

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derivative instruments and financial agreements, in accordance with SEC guidance. However, the Fund also may “cover” certain obligations by other means such as through ownership of the underlying security or financial instrument. The Fund also may enter into offsetting transactions with respect to certain obligations consistent with existing guidance from the SEC and its staff so that its combined position, coupled with any liquid assets maintained by its custodian, equals its net outstanding obligation in related derivatives or financial agreements. In the case of long positions in financial futures contracts that are not contractually required to cash settle, the Fund may set aside or earmark liquid assets or enter into offsetting positions equal to such contracts’ full notional value, less any margin on deposit for liquid assets, while the positions are open. In the case of short positions in financial futures contracts that are not contractually required to cash settle, the Fund may set aside or earmark liquid assets or enter into offsetting positions equal to such contracts’ current market value, less any margin on deposit for liquid assets, while the positions are open. With respect to financial futures contracts that are contractually required to cash settle, however, the Fund is permitted to set aside liquid assets or enter into an offsetting position in an amount equal to the Fund’s daily marked-to-market net obligations (i.e., the Fund’s daily net liability) under the contracts, if any, rather than such contracts’ full notional value. If the Fund writes credit default swaps, it will segregate the full notional amount of the payment obligation under the credit default swap that must be paid upon the occurrence of a credit event. The Fund may invest in inverse floating rate securities issued by special purpose trusts. With respect to such investments, the Fund will segregate or earmark assets in an amount equal to at least 100% of the face amount of the floating rate securities issued by such trusts.

The Fund reserves the right to modify its policies in the future to comply with any changes in the positions from time to time articulated by the SEC or its staff, such as the SEC’s proposed rules governing the use of derivatives by registered investment companies, regarding asset segregation.

To the extent the Fund uses its assets to cover its obligations as required by the 1940 Act, the rules thereunder, and applicable positions of the SEC and its staff, such assets may not be used for other operational purposes. Nuveen Fund Advisors and/or Nuveen Asset Management will monitor the Fund’s use of derivatives and will take action as necessary for the purpose of complying with the asset segregation policy stated above. Such actions may include the sale of the Fund’s portfolio investments.

Short-Term Investments

Short-Term Taxable Fixed Income Securities

For temporary defensive purposes or to keep cash on hand fully invested, the Fund may invest up to 100% of its net assets in cash equivalents and short-term taxable fixed-income securities, although the Fund intends to invest in taxable short-term investments only in the event that suitable tax-exempt short-term investments are not available at reasonable prices and yields. Short-term taxable fixed income investments are defined to include, without limitation, the following:

(1) U.S. government securities, including bills, notes and bonds differing as to maturity and rates of interest that are either issued or guaranteed by the U.S. Treasury or by U.S. government agencies or instrumentalities. U.S. government agency securities include securities issued by (a) the Federal Housing Administration, Farmers Home Administration, Export-Import Bank of the United States, Small Business Administration, and the Government National Mortgage Association, whose securities are supported by the full faith and credit of the United States; (b) the Federal Home Loan Banks*, Federal Intermediate Credit Banks, and the Tennessee Valley Authority, whose securities are supported by the right of the agency to borrow from the U.S. Treasury; (c) the Federal National Mortgage Association*, whose securities are supported by the discretionary authority of the U.S. government to purchase certain obligations of the agency or instrumentality; and (d) the Student Loan Marketing Association, whose securities are supported only by its credit. While the U.S. government provides financial support to such U.S. government-sponsored agencies or instrumentalities, no assurance can be given that it always will do so since it is not so obligated by law. The U.S. government, its agencies, and instrumentalities do not guarantee the market value of their securities. Consequently, the value of such securities may fluctuate.

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(2) Certificates of Deposit issued against funds deposited in a bank or a savings and loan association. Such certificates are for a definite period of time, earn a specified rate of return, and are normally negotiable. The issuer of a certificate of deposit agrees to pay the amount deposited plus interest to the bearer of the certificate on the date specified thereon. Under current Federal Deposit Insurance Company regulations, the maximum insurance payable as to any one certificate of deposit is $250,000; therefore, certificates of deposit purchased by the Fund may not be fully insured.

(3) Repurchase agreements, which involve purchases of debt securities. At the time the Fund purchases securities pursuant to a repurchase agreement, it simultaneously agrees to resell and redeliver such securities to the seller, who also simultaneously agrees to buy back the securities at a fixed price and time. This assures a predetermined yield for the Fund during its holding period, since the resale price is always greater than the purchase price and reflects an agreed-upon market rate. Such actions afford an opportunity for the Fund to invest temporarily available cash. The Fund may enter into repurchase agreements only with respect to obligations of the U.S. government, its agencies or instrumentalities; certificates of deposit; or bankers’ acceptances in which the Fund may invest. Repurchase agreements may be considered loans to the seller, collateralized by the underlying securities. The risk to the Fund is limited to the ability of the seller to pay the agreed-upon sum on the repurchase date; in the event of default, the repurchase agreement provides that the Fund is entitled to sell the underlying collateral. If the value of the collateral declines after the agreement is entered into, and if the seller defaults under a repurchase agreement when the value of the underlying collateral is less than the repurchase price, the Fund could incur a loss of both principal and interest. Nuveen Asset Management monitors the value of the collateral at the time the action is entered into and at all times during the term of the repurchase agreement. Nuveen Asset Management does so in an effort to determine that the value of the collateral always equals or exceeds the agreed-upon repurchase price to be paid to the Fund. If the seller were to be subject to a federal bankruptcy proceeding, the ability of the Fund to liquidate the collateral could be delayed or impaired because of certain provisions of the bankruptcy laws.

(4) Commercial paper, which consists of short-term unsecured promissory notes, including variable rate master demand notes issued by corporations to finance their current operations. Master demand notes are direct lending arrangements between the Fund and a corporation. There is no secondary market for such notes. However, they are redeemable by the Fund at any time. Nuveen Asset Management will consider the financial condition of the corporation (e.g., earning power, cash flow, and other liquidity measures) and will continuously monitor the corporation’s ability to meet all of its financial obligations, because the Fund’s liquidity might be impaired if the corporation were unable to pay principal and interest on demand. Investments in commercial paper will be limited to commercial paper rated in the highest categories by a major rating agency and which mature within one year of the date of purchase or carry a variable or floating rate of interest.

Short-Term Tax-Exempt Municipal Securities

Short-term tax-exempt municipal securities are securities that are exempt from regular federal income tax and mature within three years or less from the date of issuance. Short-term tax-exempt municipal income securities are defined to include, without limitation, the following:

Bond Anticipation Notes (“BANs”) are usually general obligations of state and local governmental issuers which are sold to obtain interim financing for projects that will eventually be funded through the sale of long-term debt obligations or bonds. The ability of an issuer to meet its obligations on its BANs is primarily dependent on the issuer’s access to the long-term municipal bond market and the likelihood that the proceeds of such bond sales will be used to pay the principal and interest on the BANs.

Tax Anticipation Notes (“TANs”) are issued by state and local governments to finance the current operations of such governments. Repayment is generally to be derived from specific future tax revenues. TANs are usually general obligations of the issuer. A weakness in an issuer’s capacity to raise taxes due to, among other things, a decline in its tax base or a rise in delinquencies, could adversely affect the issuer’s ability to meet its obligations on outstanding TANs.

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Revenue Anticipation Notes (“RANs”) are issued by governments or governmental bodies with the expectation that future revenues from a designated source will be used to repay the notes. In general, they also constitute general obligations of the issuer. A decline in the receipt of projected revenues, such as anticipated revenues from another level of government, could adversely affect an issuer’s ability to meet its obligations on outstanding RANs. In addition, the possibility that the revenues would, when received, be used to meet other obligations could affect the ability of the issuer to pay the principal and interest on RANs.

Construction Loan Notes are issued to provide construction financing for specific projects. Frequently, these notes are redeemed with funds obtained from the Federal Housing Administration.

Bank Notes are notes issued by local government bodies and agencies, such as those described above to commercial banks as evidence of borrowings. The purposes for which the notes are issued are varied but they are frequently issued to meet short-term working capital or capital-project needs. These notes may have risks similar to the risks associated with TANs and RANs.

Tax-Exempt Commercial Paper (“Municipal Paper”) represents very short-term unsecured, negotiable promissory notes issued by states, municipalities and their agencies. Payment of principal and interest on issues of municipal paper may be made from various sources, to the extent the funds are available therefrom. Maturities of municipal paper generally will be shorter than the maturities of TANs, BANs or RANs. There is a limited secondary market for issues of Municipal Paper.

Certain municipal securities may carry variable or floating rates of interest whereby the rate of interest is not fixed but varies with changes in specified market rates or indices, such as a bank prime rate or a tax-exempt money market index.

While the various types of notes described above as a group represent the major portion of the short-term tax-exempt note market, other types of notes are available in the marketplace and the Fund may invest in such other types of notes to the extent permitted under its investment objective, policies and limitations. Such notes may be issued for different purposes and may be secured differently from those mentioned above.

Auction Rate Securities

Municipal securities also include auction rate municipal securities and auction rate preferred securities issued by closed-end investment companies that invest primarily in municipal securities (collectively, “auction rate securities”). In recent market environments, auctions have failed, which adversely affects the liquidity and price of auction rate securities, and are unlikely to resume. Provided that the auction mechanism is successful, auction rate securities usually permit the holder to sell the securities in an auction at par value at specified intervals. The dividend is reset by “Dutch” auction in which bids are made by broker-dealers and other institutions for a certain amount of securities at a specified minimum yield. The dividend rate set by the auction is the lowest interest or dividend rate that covers all securities offered for sale. While this process is designed to permit auction rate securities to be traded at par value, there is a risk that an auction will fail due to insufficient demand for the securities. Moreover, between auctions, there may be no secondary market for these securities, and sales conducted on a secondary market may not be on terms favorable to the seller. Auction rate securities may be called by the issuer. Thus, with respect to liquidity and price stability, auction rate securities may differ substantially from cash equivalents, notwithstanding the frequency of auctions and the credit quality of the security. The Fund’s investments in auction rate securities of closed-end funds are subject to the limitations prescribed by the 1940 Act. The Fund will indirectly bear its proportionate share of any management and other fees paid by such closed-end funds in addition to the advisory fees payable directly by the Fund.

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When-Issued and Delayed Delivery Transactions

The Fund may buy and sell municipal securities on a when-issued or delayed delivery basis, making payment or taking delivery at a later date, normally within 15-45 days of the trade date. On such transactions the payment obligation and the interest rate are fixed at the time the buyer enters into the commitment. Beginning on the date the Fund enters into a commitment to purchase securities on a when-issued or delayed delivery basis, the Fund is required under rules of the SEC to maintain in a separate account liquid assets, consisting of cash, cash equivalents or liquid securities having a market value, at all times, of at least equal to the amount of the commitment. Income generated by any such assets which provide taxable income for federal income tax purposes is includable in the taxable income of the Fund and, to the extent distributed, will be taxable distributions to shareholders. The Fund may enter into contracts to purchase municipal securities on a forward basis (i.e., where settlement will occur more than 60 days from the date of the transaction) only to the extent that the Fund specifically collateralizes such obligations with a security that is expected to be called or mature within sixty days before or after the settlement date of the forward transaction. The commitment to purchase securities on a when-issued, delayed delivery or forward basis may involve an element of risk because no interest accrues on the bonds prior to settlement and at the time of delivery the market value may be less than their cost.

Zero Coupon Bonds

A zero coupon bond is a bond that typically does not pay interest either for the entire life of the obligation or for an initial period after the issuance of the obligation. When held to its maturity, the holder receives the par value of the zero coupon bond, which generates a return equal to the difference between the purchase price and its maturity value. A zero coupon bond is normally issued and traded at a deep discount from face value. This original issue discount (“OID”) approximates the total amount of interest the security will accrue and compound prior to its maturity and reflects the payment deferral and credit risk associated with the instrument. Because zero coupon securities and other OID instruments do not pay cash interest at regular intervals, the instruments’ ongoing accruals require ongoing judgments concerning the collectability of deferred payments and the value of any associated collateral. As a result, these securities may be subject to greater value fluctuations and less liquidity in the event of adverse market conditions than comparably rated securities that pay cash on a current basis. Because zero coupon bonds, and OID instruments generally, allow an issuer to avoid or delay the need to generate cash to meet current interest payments, they may involve greater payment deferral and credit risk than coupon loans and bonds that pay interest currently or in cash. The Fund generally will be required to distribute dividends to shareholders representing the income of these instruments as it accrues, even though the Fund will not receive all of the income on a current basis or in cash. Thus, the Fund may have to sell other investments, including when it may not be advisable to do so, and use the cash proceeds to make income distributions to its shareholders. For accounting purposes, these cash distributions to shareholders will not be treated as a return of capital.

Further, Nuveen Fund Advisors collects management fees on the value of a zero coupon bond or OID instrument attributable to the ongoing non-cash accrual of interest over the life of the bond or other instrument. As a result, Nuveen Fund Advisors receives non-refundable cash payments based on such non-cash accruals while investors incur the risk that such non-cash accruals ultimately may not be realized.

Structured Notes

The Fund may utilize structured notes and similar instruments for investment purposes and also for hedging purposes. Structured notes are privately negotiated debt obligations where the principal and/ or interest is determined by reference to the performance of a benchmark asset, market or interest rate (an “embedded index”), such as selected securities, an index of securities or specified interest rates, or the differential performance of two assets or markets. The terms of such structured instruments normally provide that their principal and/or interest payments are to be adjusted upwards or downwards (but not ordinarily below zero) to reflect changes in the embedded index while the structured instruments are outstanding. As a result, the interest

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and/or principal payments that may be made on a structured product may vary widely, depending upon a variety of factors, including the volatility of the embedded index and the effect of changes in the embedded index on principal and/or interest payments. The rate of return on structured notes may be determined by applying a multiplier to the performance or differential performance of the referenced index or indices or other assets. Application of a multiplier involves leverage that will serve to magnify the potential for gain and the risk of loss. These types of investments may generate taxable income.

Portfolio Trading and Turnover

Portfolio trading may be undertaken to accomplish the investment objective of the Fund in relation to actual and anticipated movements in interest rates. In addition, a security may be sold and another of comparable quality purchased at approximately the same time to take advantage of what Nuveen Asset Management believes to be a temporary price disparity between the two securities. Temporary price disparities between two comparable securities may result from supply and demand imbalances where, for example, a temporary oversupply of certain securities may cause a temporarily low price for such securities, as compared with other securities of like quality and characteristics.

A security also may be sold when Nuveen Asset Management anticipates a change in the price of such security, Nuveen Asset Management believes the price of a security has reached or is near a realistic maximum, or there are other securities that Nuveen Asset Management believes are more attractive given the Fund’s investment objective. The Fund also may engage to a limited extent in short-term trading consistent with its investment objective. Securities may be sold in anticipation of a market decline or purchased in anticipation of a market rise and later sold, but the Fund will not engage in trading solely to recognize a gain. Subject to the foregoing, the Fund will attempt to achieve its investment objective by prudent selection of securities with a view to holding them for investment. While there can be no assurance thereof, the Fund anticipates that its annual portfolio turnover rate generally will not exceed 75% under normal circumstances. However, the rate of turnover will not be a limiting factor when the Fund deems it desirable to sell or purchase securities. Therefore, depending on market conditions, the annual portfolio turnover rate of the Fund may exceed 75% in particular years. A higher portfolio turnover rate results in correspondingly greater brokerage commissions and other transactional expenses that are borne by the Fund. High portfolio turnover may result in the realization of net short-term capital gains by the Fund which, when distributed to shareholders, will be taxable as ordinary income.

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MANAGEMENT OF THE FUND

TRUSTEES AND OFFICERS

The management of the Fund, including general supervision of the duties performed for the Fund under the investment management agreement with Nuveen Fund Advisors (the “Investment Management Agreement”), is the responsibility of the Board of Trustees of the Fund. The number of trustees of the Fund is nine, none of whom are an “interested person” (as the term “interested person” is defined in the 1940 Act) (referred to herein as “independent trustees”). None of the independent trustees has ever been a director, trustee or employee of, or consultant to, Nuveen, Nuveen Fund Advisors, Nuveen Asset Management, or their affiliates. The Board of Trustees is divided into three classes, Class I, Class II and Class III, the Class I trustees serving until the 2022 annual meeting, the Class II trustees serving until the 2023 annual meeting and the Class III trustees serving until the 2021 annual meeting, in each case until their respective successors are elected and qualified, as described below. Currently, William C. Hunter, Judith M. Stockdale, Carole E. Stone and Margaret L. Wolff are slated in Class I, John K. Nelson, Terence J. Toth and Robert L. Young are slated in Class II and Jack B. Evans and Albin F. Moschner are slated in Class III. If the Fund issues preferred shares, two of the Fund’s trustees would be elected by the holders of such preferred shares, voting separately as a class. The remaining trustees of the Fund would be elected by holders of common shares and preferred shares, voting together as a class. In the event that the Fund fails to pay dividends on outstanding preferred shares for two years, holders of preferred shares would be entitled to elect a majority of trustees of the Fund. The officers of the Fund serve annual terms and are elected on an annual basis. The names, business addresses and years of birth of the trustees and officers of the Fund, their principal occupations and other affiliations during the past five years, the number of portfolios each trustee oversees and other directorships they hold are set forth below. Except as noted in the table below, as of June 30, 2020 the trustees of the Fund are directors or trustees, as the case may be, of 73 Nuveen-sponsored open-end mutual funds (the “Nuveen Mutual Funds”); and 68 Nuveen-sponsored closed-end funds and 13 Nuveen-sponsored exchange-traded funds (collectively with the Nuveen Mutual Funds and the Nuveen-sponsored closed-end funds, the “Nuveen Funds”).

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