NMY Nuveen Maryland Quality Municipal Income Fund

PROXY STATEMENT

FOR

HOLDERS OF ADJUSTABLE RATE MUNIFUND TERM PREFERRED SHARES

OF

NUVEEN MARYLAND QUALITY MUNICIPAL INCOME FUND (NMY)

November 17, 2020

This Proxy Statement is being furnished by Nuveen Maryland Quality Municipal Income Fund (the “Target Fund”) to holders of Adjustable Rate MuniFund Term Preferred Shares (“AMTP Shares”) of the Target Fund in connection with the solicitation of proxies by the Board of Trustees (the “Target Fund’s Board,” and each of the Target Fund’s Board and the Board of Trustees of the Acquiring Fund (defined below)(the “Acquiring Fund’s Board”), a “Board” and together, the “Boards” and each trustee, a “Board Member”) of the Target Fund and Nuveen Quality Municipal Income Fund (the “Acquiring Fund”) (each a “Fund” and together, the “Funds”), for use at the Special Meeting of Shareholders of the Target Fund to be held on Monday, December 7, 2020 at 2:00 p.m. Central time, and at any and all adjournments or postponements thereof (the “Special Meeting”), to consider the proposal described below and discussed in greater detail elsewhere in this Proxy Statement. The Acquiring Fund and Target Fund are organized as Massachusetts business trusts. The enclosed proxy card and this Proxy Statement are first being sent to holders of AMTP Shares on or about November 20, 2020. Shareholders of record of the Target Fund as of the close of business on September 8, 2020 are entitled to notice of and to vote at the Special Meeting and any and all adjournments or postponements thereof.

The Special Meeting will be held in a virtual meeting format only, which will be conducted online via live webcast. There is no physical location for the Special Meeting. If your shares are registered in your name, you will be able to attend and participate in the Special Meeting online, vote your shares electronically and submit your questions during the meeting by

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visiting: www.meetingcenter.io/238367439 at the Special Meeting date and time. To participate in the Special Meeting, you will need to log on using the control number from your proxy card or meeting notice. The control number can be found in the shaded box. The password for the meeting is NUVC2020.

If your shares are held through an intermediary, you must register to participate in the virtual Special Meeting. To register to attend the Special Meeting online by webcast, you must submit proof of your proxy power (legal proxy) reflecting your Target Fund holdings along with your name and email address to Computershare. You must contact the bank or broker who holds your shares to obtain your legal proxy. Requests for registration must be labeled as “Legal Proxy” and be received no later than 5:00 p.m., Eastern time, three business days prior to the meeting date. You will receive a confirmation of your registration by email after we receive your registration materials. Requests for registration should be directed to us by emailing an image of your legal proxy to shareholdermeetings@computershare.com.

This Proxy Statement explains concisely what you should know before voting on the proposal described in this Proxy Statement or investing in the Acquiring Fund. Please read it carefully and keep it for future reference.

On the matter coming before the Special Meeting as to which a choice has been specified by shareholders on the accompanying proxy card, the shares will be voted accordingly where such proxy card is properly executed, timely received and not properly revoked (pursuant to the instructions below). If a proxy is returned and no choice is specified, the shares will be voted FOR the proposal. Shareholders of the Target Fund who execute proxies or provide voting instructions by telephone or by Internet may revoke them at any time before a vote is taken on the proposal by filing with the Fund a written notice of revocation, by delivering a duly executed proxy bearing a later date or by attending and voting at the virtual Special Meeting. A prior proxy can also be revoked by voting again through the toll-free number or the Internet address listed in the proxy card. However, merely attending the virtual Special Meeting will not revoke any previously submitted proxy.

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Pursuant to this Proxy Statement, holders of AMTP Shares of the Target Fund are being solicited to vote on a proposal to approve an Agreement and Plan of Reorganization pursuant to which the Target Fund would: (i) transfer substantially all of its assets to the Acquiring Fund in exchange solely for newly issued common shares and preferred shares of the Acquiring Fund and the Acquiring Fund’s assumption of substantially all of the liabilities of the Target Fund; (ii) distribute such newly issued shares of the Acquiring Fund to the common shareholders and preferred shareholders of the Target Fund; and (iii) liquidate, dissolve and terminate in accordance with applicable law (the “Reorganization”).

In addition to its common shares, each Fund has one or more series of preferred shares outstanding. The Acquiring Fund has two series of MuniFund Preferred Shares (“MFP Shares”) outstanding, three series of Variable Rate Demand Preferred Shares (“VRDP Shares”) outstanding and two series of AMTP Shares outstanding. The Target Fund has one series of AMTP Shares outstanding.

To be approved, the proposal must be approved by the Funds’ common and preferred shareholders as follows:

Only holders of AMTP Shares of the Target Fund are being solicited to vote on the proposal described above pursuant to this Proxy Statement. The common shareholders of the Target Fund and preferred shareholders of the Acquiring Fund are being solicited to vote on the proposal described above by means of a separate joint proxy statement.

A quorum of shareholders is required to take action at the Special Meeting. A majority (more than 50%) of the shares entitled to vote at the Special Meeting, represented in person (including participation by means of remote or “virtual” communication) or by proxy, will constitute a quorum of shareholders at the Special Meeting. Votes cast in person (including

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participation by means of remote or “virtual” communication) or by proxy at the Special Meeting will be tabulated by the inspectors of election appointed for the Special Meeting. The inspectors of election will determine whether or not a quorum is present at the Special Meeting. “Broker non-votes” are shares held by brokers or nominees, typically in “street name,” for which the broker or nominee returns a proxy but the shares are not voted because instructions have not been received from beneficial owners or persons entitled to vote and the broker or nominee does not have discretionary authority to vote such shares on a particular matter. For purposes of holding a meeting, all properly submitted proxies, including abstentions and broker non-votes, will be counted as present for purposes of determining whether a quorum is present.

Broker-dealer firms holding shares of a Fund in “street name” for the benefit of their customers and clients are generally required to request the instructions of such customers and clients on how to vote their shares before the Fund’s Special Meeting. The Target Fund understands that, under the rules of the New York Stock Exchange (the “NYSE”), such broker-dealer firms may, for certain “routine” matters, grant discretionary authority to the proxies designated by each Board to vote without instructions from their customers and clients if no instructions have been received prior to the date specified in the broker-dealer firm’s request for voting instructions. The proposal described in this Proxy Statement is considered a “non-routine” matter for which, under the rules of the NYSE, uninstructed shares may not be voted by broker-dealers. Because the approval of the proposal requires that a minimum percentage of the Target Fund’s outstanding common shares and preferred shares and Acquiring Fund preferred shares be voted in favor of the proposal, abstentions and broker non-votes will have the same effect as a vote against the proposal.

Broker-dealers who are not members of the NYSE may be subject to other rules, which may or may not permit them to vote your shares without instruction. We urge you to provide instructions to your broker or nominee so that your votes may be counted.

Those persons who were shareholders of record of AMTP Shares of the Target Fund as of the close of business on September 8, 2020 will be entitled to one vote for each share held.

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As of September 8, 2020, the shares of the Funds issued and outstanding are as follows:

The proposed Reorganization is part of an ongoing initiative to streamline Nuveen’s municipal closed-end fund line-up and eliminate overlapping products. The Acquiring Fund and the Target Fund invest exclusively in municipal securities and other investments the income from which is exempt from regular federal income tax; however, the Target Fund concentrates its investment portfolio in Maryland state-specific, investment grade municipal securities in comparison to the Acquiring Fund’s policy of investing in a nationally diversified portfolio of medium-credit municipal securities.

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PROXY STATEMENT

November 17, 2020

NUVEEN MARYLAND QUALITY MUNICIPAL INCOME FUND (NMY)

TABLE OF CONTENTS

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PROPOSAL—REORGANIZATION OF THE TARGET FUND INTO THE ACQUIRING FUND

The following is a summary of certain information contained elsewhere in this Proxy Statement with respect to the proposed Reorganization. More complete information is contained elsewhere in this Proxy Statement and the appendices hereto and thereto. Shareholders should read the entire Proxy Statement carefully.

Background and Reasons for the Reorganization

The Target Fund’s Board has approved the Reorganization as part of an ongoing initiative to streamline Nuveen’s municipal closed-end fund line-up and eliminate overlapping products. The Target Fund’s Board considered the Reorganization in connection with this initiative and determined that the Reorganization would be in the best interests of the Target Fund. The Acquiring Fund and the Target Fund each invest exclusively in municipal securities and other investments the income from which is exempt from regular federal income tax; however, the Target Fund concentrates its investment portfolio in Maryland state-specific, investment-grade municipal securities the income from which is also exempt from Maryland income tax, in comparison to the Acquiring Fund’s policy of investing in a nationally diversified portfolio of medium-credit municipal securities.

Based on information provided by Nuveen Fund Advisors, LLC (“Nuveen Fund Advisors” or the “Adviser”), the investment adviser to each Fund, the Target Fund’s Board believes that the Reorganization may benefit common shareholders of the Target Fund in a number of ways, including, among other things:

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With respect to holders of preferred shares of the Target Fund, the Target Fund’s Board considered that, upon the closing of the Reorganization, holders of the AMTP Shares of the Target Fund will receive, on a one-for-one basis, newly issued AMTP Shares of the Acquiring Fund having substantially similar terms, as of the closing of the Reorganization, as the AMTP Shares exchanged therefor.

Based on information provided by Nuveen Fund Advisors, the Acquiring Fund’s Board considered that the Acquiring Fund may benefit in the near-term from a modest increase in common share net earnings and operating efficiencies and over the long-term from increased investment capital, which allows the Acquiring Fund to pursue additional investment opportunities. With respect to holders of preferred shares of the Acquiring Fund, the Acquiring Fund’s Board considered that the outstanding preferred shares of the Acquiring Fund and the preferred shares of the Acquiring Fund to be issued in the Reorganization would have equal priority with each other as to the payment of dividends and distributions of assets upon dissolution, liquidation or winding up of the affairs of the Acquiring Fund.

The closing of the Reorganization is subject to the satisfaction or waiver of certain closing conditions, which include customary closing conditions. In order for the Reorganization to occur, all requisite shareholder approvals must be obtained, and certain other consents, confirmations and/or waivers must also be obtained from various third parties, including holders of preferred shares and liquidity providers with respect to the outstanding VRDP Shares of the Acquiring Fund. Because the closing of the Reorganization is contingent upon each of the Target Fund and the Acquiring Fund obtaining such shareholder approvals and satisfying (or obtaining the

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waiver of) other closing conditions, it is possible that the Reorganization will not occur, even if shareholders of a Fund entitled to vote approve the Reorganization proposal and a Fund satisfies all of its closing conditions, if the other Fund does not obtain its requisite shareholder approvals or satisfy (or obtain the waiver of) its closing conditions.

Each series of MFP Shares, VRDP Shares and AMTP Shares was issued on a private placement basis to one or a small number of institutional holders. To the extent that one or more preferred shareholders of a Fund owns, holds or controls, individually or in the aggregate, all or a significant portion of a series of the Fund’s outstanding preferred shares, one or more shareholder approvals required for the Reorganization may turn on the exercise of voting rights by such particular shareholder(s) and its or their determination as to the favorable view of the Reorganization with respect to its or their interests. The Funds exercise no influence or control over the determinations of such shareholders with respect to the proposal; there is no guarantee that such shareholders will approve the proposal over which they may exercise effective disposition power. If the Reorganization is not consummated, each Fund’s Board may take such actions as it deems in the best interests of its Fund, including conducting additional solicitations with respect to the proposal or, with respect to the Target Fund’s Board, continuing to operate as a standalone fund. For a fuller discussion of the Boards’ considerations regarding the approval of the Reorganization, see “Information about the Reorganization—Reasons for the Reorganization.”

Material Federal Income Tax Consequences of the Reorganization

As a condition to closing, each Fund will receive an opinion of Vedder Price P.C., subject to certain representations, assumptions and conditions, substantially to the effect that the proposed Reorganization will qualify as a tax-free reorganization under Section 368(a) of the Internal Revenue Code of 1986, as amended (the “Code”). Accordingly, it is expected that neither Fund will generally recognize gain or loss for federal income tax purposes as a direct result of the Reorganization. It is also expected that preferred shareholders of the Target Fund who receive Acquiring Fund preferred shares pursuant to the Reorganization will recognize no gain or loss for federal income tax purposes as a result of such exchange. Prior to the closing of the Reorganization, the Target Fund expects to declare a distribution to common shareholders of all of its net investment income and net capital gains, if any. The Target Fund reports distributions to common

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and preferred shareholders as consisting of particular types of income (such as exempt interest, ordinary income and capital gain) based on each class’ proportionate share of the total distributions paid by the Fund with respect to the year. As a result, such distribution could cause a portion of the distributions received by holders of AMTP Shares of the Target Fund with respect to the year to be taxable for federal income tax purposes. If shareholders of the Funds approve the Reorganization, prior to the closing of the Reorganization, the Target Fund is expected to sell certain municipal securities in its portfolio. Such sales are not expected to be material (less than 5% of the assets of the Target Fund). To the extent that portfolio securities of the Target Fund are sold prior to the closing of the Reorganization, the Target Fund may realize gains or losses, which may increase or decrease the net capital gains or net investment income to be distributed by the Target Fund and could cause a greater or lesser amount of the distributions received by holders of AMTP Shares of the Target Fund with respect to the year to be taxable for federal income tax purposes.

The foregoing discussion and the tax opinion discussed above to be received by the Funds regarding certain aspects of the Reorganization, including that the Reorganization will qualify as a tax-free reorganization under the Code, will rely on the position that the Acquiring Fund preferred shares issued in the Reorganization will constitute equity of the Acquiring Fund. See “Information About the Reorganization—Material Federal Income Tax Consequences of the Reorganization.”

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Each Fund’s common shares are listed for trading on the NYSE.

The Funds currently have outstanding the following series of preferred shares, with the Acquiring Fund’s MFP Shares, VRDP Shares and AMTP Shares remaining outstanding following the completion of the Reorganization:

Each Fund’s preferred shares are entitled to one vote per share. The AMTP Shares of the Acquiring Fund to be issued in connection with the Reorganization will have equal priority with each other and with the Acquiring Fund’s other outstanding preferred shares as to the payment of dividends and the distribution of assets upon dissolution, liquidation or winding up of the affairs of the Acquiring Fund. In addition, the preferred shares of the Acquiring Fund, including AMTP Shares of the Acquiring Fund to be issued

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in connection with the Reorganization, will be senior in priority to the Acquiring Fund’s common shares as to payment of dividends and the distribution of assets upon dissolution, liquidation or winding up of the affairs of the Acquiring Fund. The AMTP Shares of the Acquiring Fund to be issued in connection with the Reorganization will have rights and preferences, including liquidation preferences, that are substantially similar to those of the outstanding Target Fund preferred shares for which they are exchanged.

Investment Objectives and Policies. The Funds have similar investment objectives, policies and risks but there are differences. Each Fund seeks to provide current income exempt from regular federal income tax. Each Fund also seeks to enhance portfolio value relative to the municipal bond market by investing in tax-exempt municipal securities that the Funds’ investment adviser believes are underrated or undervalued or that represent municipal market sectors that are undervalued. However, the Acquiring Fund is a national municipal bond fund, while the Target Fund, in contrast, seeks to also provide current income exempt from Maryland individual income taxes.

As a fundamental investment policy, under normal circumstances, the Acquiring Fund will invest at least 80% of its Assets (as defined below) in municipal securities and other related investments, the income from which is exempt from regular federal income taxes. As a non-fundamental policy, under normal circumstances, the Acquiring Fund may invest up to 35% of its Managed Assets (as defined below) in securities that, at the time of investment, are rated below the three highest grades (Baa or BBB or lower) by at least one nationally recognized statistical rating organization (“NRSRO”) or are unrated but judged to be of comparable quality by the Fund’s sub-adviser.

As a fundamental investment policy, under normal circumstances, the Target Fund will invest at least 80% of its Managed Assets (as defined below) in municipal securities and other related investments the income from which is exempt from regular federal and Maryland income taxes. As a non-fundamental policy, under normal circumstances, the Target Fund will invest at least 80% of its Managed Assets in investment-grade securities that, at the time of investment, are rated within the four highest grades (Baa or BBB or better) by at least one NRSRO or are unrated but judged to be of comparable quality by the Target Fund’s investment adviser or sub-adviser. The Target Fund may invest up to 20% of its Managed Assets in municipal

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securities that, at the time of investment, are rated below investment grade or are unrated but judged to be of comparable quality by the investment adviser or sub-adviser. Not more than 10% of a Target Fund’s Managed Assets may be invested in municipal securities rated below B3/B- or that are unrated but judged to be of comparable quality by the investment adviser or sub-adviser.

Each Fund is a closed-end management investment company and currently employs leverage through the issuance of preferred shares and the use of inverse floating rate securities.

The following summary compares the current principal investment policies and strategies of the Acquiring Fund to the current principal investment policies and strategies of the Target Fund as of the date of this Proxy Statement.

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The Target Fund has adopted the following policy regarding temporary investments. The Target Fund may temporarily depart from its normal investment policies and strategies—for instance, by allocating up to 100% of its assets to cash equivalents, short-term investments, or municipal bonds that do not comply with the Target Fund’s principal investment strategy—in response to adverse or unusual market, economic, political or other conditions. Such conditions could include a temporary decline in the availability of municipal bonds that comply with the Target Fund’s principal investment strategy. During these periods, the weighted average maturity of the Target Fund’s investment portfolio may fall below the defined range described above and the Target Fund may not achieve its investment objective to distribute income that is exempt from regular federal and Maryland individual income tax. The Acquiring Fund has not adopted a similar policy regarding temporary investments.

Credit Quality. A comparison of the credit quality⁽¹⁾ (as a percentage of total investment exposure, which includes the leveraged effect of the

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Funds’ investments in inverse floating rate securities of tender option bond trusts) of the portfolios of the Acquiring Fund and the Target Fund, as of April 30, 2020, is set forth below.

State Allocation. A comparison of the state allocation (as a percentage of total investment exposure, which includes the leveraged effect of the Funds’ investments in inverse floating rate securities of tender option bond trusts) of the portfolios of the Acquiring Fund and the Target Fund, as of April 30, 2020, is set forth below.

Leverage. Each Fund may issue preferred shares and may utilize portfolio investments that have the economic effect of leverage, including but not limited to investments in futures, options and inverse floating rate

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securities (sometimes referred to as “inverse floaters”). The Acquiring Fund may also enter into reverse repurchase agreements. Each Fund currently employs leverage through the issuance of preferred shares and the use of inverse floaters. Certain important ratios related to each Fund’s use of leverage for the last three fiscal years are set forth below:

Board Members and Officers. The Acquiring Fund and the Target Fund have the same Board Members and officers. The management of each Fund, including general oversight of the duties performed by the Fund’s investment adviser under an investment management agreement between the investment adviser and such Fund (each, an “Investment Management Agreement”), is the responsibility of its Board. Each Fund currently has nine (9) Board Members, each of whom is not considered an “interested person,” as defined in the 1940 Act.

Pursuant to each Fund’s by-laws, the board of trustees of the Funds are divided into three classes (Class I, Class II and Class III) with staggered multi-year terms, such that only the members of one of the three classes stand for election each year; provided, however, that holders of preferred

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shares are entitled as a class to elect two Board Members of each Fund at all times. The staggered board structure could delay for up to two years the election of a majority of the Board of each Fund. To the extent that one or more preferred shareholders of a Fund owns, holds or controls, individually or in the aggregate, all or a significant portion of a series of a Fund’s outstanding preferred shares, a few holders could exert influence on the selection of the Board as a result of the requirement that holders of preferred shares be entitled to elect two Board Members of each Fund at all times. The Acquiring Fund’s board structure will remain in place following the closing of the Reorganization.

Investment Adviser. Nuveen Fund Advisors, LLC (previously defined as “Nuveen Fund Advisors” or the “Adviser”) is the investment adviser to each Fund and is responsible for overseeing each Fund’s overall investment strategy, including the use of leverage, and its implementation. Nuveen Fund Advisors also is responsible for the ongoing monitoring of any sub-adviser to the Funds, managing each Fund’s business affairs and providing certain clerical, bookkeeping and other administrative services to the Funds. Nuveen Fund Advisors is located at 333 West Wacker Drive, Chicago, Illinois 60606.

Nuveen Fund Advisors, a registered investment adviser, is a subsidiary of Nuveen, LLC (“Nuveen”), the investment management arm of Teachers Insurance and Annuity Association of America (“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 June 30, 2020, Nuveen managed approximately $1.05 trillion in assets, of which approximately $144.4 billion was managed by Nuveen Fund Advisors.

Unless earlier terminated as described below, each Fund’s Investment Management Agreement with Nuveen Fund Advisors will remain in effect until August 1, 2021. Each Investment Management Agreement continues in effect from year to year so long as such continuation is approved at least annually by: (1) the Board or the vote of a majority of the outstanding voting securities of the Fund; and (2) a majority of the Board Members who are not interested persons of any party to the Investment Management Agreement, cast in person (including participation by means of remote or “virtual” communication) at a meeting called for the purpose of voting on such approval. Each Investment Management Agreement may be terminated at

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any time, without penalty, by either the Fund or Nuveen Fund Advisors upon 60 days’ written notice and is automatically terminated in the event of its assignment, as defined in the 1940 Act.

Pursuant to each Investment Management Agreement, each Fund has agreed to pay an annual management fee for the overall advisory and administrative services and general office facilities provided by Nuveen Fund Advisors. Each Fund’s management fee consists of two components—a complex-level fee, based on the aggregate amount of all eligible fund assets of Nuveen-branded closed- and open-end registered investment companies organized in the U.S., and a specific fund-level fee, based only on the amount of assets within such Fund. This pricing structure enables the Funds’ shareholders to benefit from growth in assets within each individual Fund as well as from growth of complex-wide assets managed by Nuveen Fund Advisors.

For the six-month semi-annual period ended April 30, 2020 (annualized), the effective management fee rate of the Acquiring Fund, expressed as a percentage of average total daily net assets (including assets attributable to leverage), was approximately 0.54%. For the fiscal year ended May 31, 2020, the effective management fee rate of the Target Fund, expressed as a percentage of average total daily net assets (including assets attributable to leverage), was approximately 0.59%.

The annual fund-level fee rate for each Fund, payable monthly, is calculated according to the following schedule:

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The management fee compensates the Adviser for overall investment advisory and administrative services and general office facilities. Each Fund pays all of its other costs and expenses of its operations, including compensation of its Board Members (other than those affiliated with the Adviser), custodian, transfer agency and dividend disbursing expenses, legal fees, expenses of independent auditors, expenses of repurchasing shares, expenses of issuing any preferred shares, expenses of preparing, printing and distributing shareholder reports, notices, proxy statements and reports to governmental agencies, listing fees and taxes, if any.

Each Fund also pays a complex-level fee to Nuveen Fund Advisors, which is payable monthly and is in addition to the fund-level fee. The complex-level fee is based on the aggregate daily amount of eligible assets for all Nuveen-branded closed- and open-end registered investment companies organized in the U.S., as stated in the table below. As of April 30, 2020, the complex-level fee rate for each Fund was 0.1593%.

The annual complex-level fee for each Fund, payable monthly, is calculated by multiplying the current complex-wide fee rate, determined according to the following schedule by a Fund’s daily managed assets:

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Sub-Adviser. Nuveen Fund Advisors has selected its wholly owned subsidiary, Nuveen Asset Management, LLC (“Nuveen Asset Management” or the “Sub-Adviser”), located at 333 West Wacker Drive, Chicago, Illinois 60606, to serve as the sub-adviser to each of the Funds pursuant to a sub-advisory agreement between Nuveen Fund Advisors and Nuveen Asset Management (the “Sub-Advisory Agreement”). Nuveen Asset Management, a registered investment adviser, oversees day-to-day operations and manages the investment of the Funds’ assets on a discretionary basis, subject to the supervision of Nuveen Fund Advisors. Pursuant to each Sub-Advisory Agreement, Nuveen Asset Management is compensated for the services it provides to the Funds with a portion of the management fee Nuveen Fund Advisors receives from each Fund. Nuveen Fund Advisors and Nuveen Asset Management retain the right to reallocate investment advisory responsibilities and fees between themselves in the future.

For the services provided pursuant to each Fund’s Sub-Advisory Agreement, Nuveen Fund Advisors pays Nuveen Asset Management a portfolio management fee, payable monthly, equal to 38.4615% of the management fee (net of applicable breakpoints, waivers and reimbursements) paid by the Funds to Nuveen Fund Advisors.

A discussion of the basis for the applicable Board’s most recent approval of each Fund’s current Investment Management Agreement and Sub-Advisory Agreement will be included in the Acquiring Fund’s Annual Report for the fiscal year ending October 31, 2020 and is included in the Target Fund’s Annual Report for the fiscal year ending May 31, 2020.

Portfolio Management. Subject to the supervision of Nuveen Fund Advisors, Nuveen Asset Management is responsible for execution of specific investment strategies and day-to-day investment operations. Nuveen Asset Management manages the portfolios of the Funds using a team of analysts and a portfolio manager that focuses on a specific group of funds. Christopher L. Drahn, CFA, is the portfolio manager of the Acquiring Fund

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and Stephen J. Candido, CFA, is the portfolio manager of the Target Fund. Mr. Drahn assumed portfolio management responsibility for the Acquiring Fund in 2016, and Mr. Candido assumed portfolio management responsibility for the Target Fund in 2016. Christopher L. Drahn, CFA will manage the combined fund upon completion of the Reorganization.

Christopher L. Drahn, CFA, is a Managing Director of Nuveen Asset Management. He manages several municipal funds and portfolios. He began working in the financial industry when he joined FAF Advisors in 1980. Mr. Drahn became a portfolio manager in 1988. He received a B.A. from Wartburg College and an M.B.A. in finance from the University of Minnesota. Mr. Drahn holds the Chartered Financial Analyst (CFA) designation.

Stephen J. Candido, CFA, is a Managing Director at Nuveen Asset Management. Stephen is a portfolio manager and senior research analyst for the Municipal Fixed Income Team at Nuveen Asset Management. He manages the Maryland Municipal Bond and Virginia Municipal Bond products and related institutional portfolios and various closed-end funds. He also is responsible for conducting fundamental credit analysis and contributing to relative value assessments with portfolio managers and traders, primarily for high yield strategies. Stephen specializes in covering land secured credits, including special assessment districts, tax increment financings, and project finance. In addition, he is assigned to the student loan and housing sectors, including student housing.

Stephen started working in the financial services industry in 1996 when he joined Nuveen in the Unit Trust Division. Prior to his current role on the research team, he was an assistant vice president for Nuveen’s Global Structured Products team beginning in 2005. He also served as the manager of the Fixed Income Unit Trust Product Management and Pricing Group starting in 2001 and prior to that held positions as an equity research analyst and fixed income pricing analyst.

Stephen earned a B.S. in finance from Miami University in Ohio and an M.B.A. in finance with honors as a member of Beta Gamma Sigma from the University of Illinois-Chicago. He holds the Chartered Financial Analyst designation and is a member of the CFA Institute and the CFA Society of Chicago.

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Comparative Risk Information

Because each Fund invests primarily in municipal securities and other investments, the income from which is exempt from regular federal income tax, the principal risks of an investment in each Fund are similar. However, there are differences between the Funds’ investment objectives and policies that affect the comparative risk profile. The Target Fund is subject to single state risk, while the Acquiring Fund is not. The Acquiring Fund is subject to high yield securities risk to a greater degree than the Target Fund and is also subject to reverse repurchase agreement risk. The Funds are subject to various risks associated with investing primarily in a portfolio of municipal securities and employing leverage, which include:

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. 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.

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The principal risks of investing in the Acquiring Fund are described in more detail under the caption “Risk Factors” in the Confidential Information Memorandum accompanying this Proxy Statement as Appendix B (the “Memorandum”).

Comparative Expense Information

The purpose of the Comparative Fee Table is to assist you in understanding the various costs and expenses of investing in common shares

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of the Funds. The information in the table reflects the fees and expenses for the Target Fund’s fiscal year ended May 31, 2020, the Acquiring Fund’s six-month semi-annual period ended April 30, 2020 (annualized) and the pro forma expenses for the six-month semi-annual period ended April 30, 2020 (annualized), for the combined fund following the Reorganization. The assets of the Funds will vary based on market conditions and other factors and may vary significantly during volatile market conditions such as those experienced during the first half of 2020 arising from the public health crisis caused by the novel coronavirus known as COVID-19.

The figures in the Example are not necessarily indicative of past or future expenses, and actual expenses may be greater or less than those shown. The Funds’ actual rates of return may be greater or less than the hypothetical 5% annual return shown in the Example.

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Example: The following examples illustrate the expenses that a common shareholder would pay on a $1,000 investment that is held for the time periods provided in the table. The examples assume that all dividends and other distributions are reinvested and that Total Annual Expenses remain the same. The examples also assume a 5% annual return. The examples should not be considered a representation of future expenses. Actual expenses may be greater or lesser than those shown.

Average Annual Total Return on Net Asset Value is the combination of changes in common share net asset value, reinvested dividend income at net asset value and reinvested capital gains distributions at net asset value, if any. The last dividend declared in the period, which is typically paid on the first business day of the following month, is assumed to be reinvested at the ending net asset value. The actual reinvestment price for the last dividend declared in the period may often be based on the Fund’s market price (and not its net asset value), and therefore may be different from the price used in

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the calculation. Average Annual Total Return on Market Value is the combination of changes in the market price per share and the effect of reinvested dividend income and reinvested capital gains distributions, if any, at the average price paid per share at the time of reinvestment. The last dividend declared in the period, which is typically paid on the first business day of the following month, is assumed to be reinvested at the ending market price. The actual reinvestment for the last dividend declared in the period may take place over several days, and in some instances it may not be based on the market price, so the actual reinvestment price may be different from the price used in the calculation. Past performance information is not necessarily indicative of future results. The assets of the Funds will vary based on market conditions and other factors and may vary significantly during volatile market conditions such as those experienced during the first half of 2020 arising from the public health crisis caused by the novel coronavirus known as COVID-19.

The principal risks of investing in AMTP Shares of the Acquiring Fund are described under the caption “Risk Factors” in the Memorandum accompanying this Proxy Statement as Appendix B. An investment in AMTP Shares of the Target Fund is also generally subject to these principal risks. The risks and special considerations discussed in the Memorandum should be considered by holders of AMTP Shares of each Fund in their evaluation of the Reorganization.

General

The Target Fund’s Board has determined that the Reorganization would be in the best interests of the Target Fund. As a result of the Reorganization, substantially all of the assets of the Target Fund will be exchanged for shares of the Acquiring Fund, and the shareholders of the Target Fund will become shareholders of the Acquiring Fund. The Target Fund’s Board considered the Reorganization as part of an ongoing initiative to streamline Nuveen’s municipal closed-end fund line-up and eliminate overlapping products.

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The Reorganization is intended to benefit common shareholders of the Target Fund in a number of ways, including, among other things:

With respect to holders of preferred shares of the Target Fund, the Target Fund’s Board considered that, upon the closing of the Reorganization, holders of the AMTP Shares of the Target Fund will receive, on a one-for-one basis, newly issued AMTP Shares of the Acquiring Fund having substantially similar terms, as of the closing of the Reorganization, as the AMTP Shares exchanged therefor.

Based on information provided by Nuveen Fund Advisors, the Acquiring Fund’s Board considered that the Acquiring Fund may benefit in the near-term from a modest increase in common share net earnings and operating efficiencies and over the long-term from increased investment capital, which allows the Acquiring Fund to pursue additional investment opportunities. With respect to holders of preferred shares of the Acquiring Fund, the Acquiring Fund’s Board considered that the outstanding preferred shares of the Acquiring Fund and the preferred shares of the Acquiring Fund to be issued in the Reorganization would have equal priority with each other as to the payment of dividends and distributions of assets upon dissolution, liquidation or winding up of the affairs of the Acquiring Fund.

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The closing of the Reorganization is subject to the satisfaction or waiver of certain closing conditions, which include customary closing conditions. In order for the Reorganization to occur, all requisite shareholder approvals must be obtained, and certain other consents, confirmations and/or waivers from various third parties, including holders of preferred shares and liquidity providers with respect to the outstanding VRDP Shares of the Acquiring Fund, must also be obtained. Because the closing of the Reorganization is contingent upon each Fund obtaining such shareholder approvals and satisfying (or obtaining the waiver of) other closing conditions, it is possible that the Reorganization will not occur, even if shareholders of your Fund entitled to vote approve the Reorganization proposal and your Fund satisfies all of its closing conditions, if the other Fund does not obtain its requisite shareholder approvals or satisfy (or obtain the waiver of) its closing conditions. If the Reorganization is not consummated, each Fund’s Board may take such actions as it deems in the best interests of its Fund, including conducting additional solicitations with respect to the proposal or, with respect to the Target Fund’s Board, continuing to operate the Target Fund as a standalone fund.

Terms of the Reorganization

General. The Agreement and Plan of Reorganization by and between the Acquiring Fund and the Target Fund (the “Agreement”), in the form attached as Appendix A to this Proxy Statement, provides for: (1) the Acquiring Fund’s acquisition of substantially all of the assets of the Target Fund in exchange for newly issued common shares of the Acquiring Fund, par value $0.01 per share, and newly issued AMTP Shares, with a par value of $0.01 per share and a liquidation preference of $100,000 per share of the Acquiring Fund (“New AMTP Shares”) and the Acquiring Fund’s assumption of substantially all of the liabilities of the Target Fund; and (2) the distribution of the newly issued Acquiring Fund common shares and Acquiring Fund AMTP Shares received by the Target Fund to its common and preferred shareholders, respectively, as part of the liquidation, dissolution and termination of the Target Fund in accordance with applicable law. No fractional Acquiring Fund common shares will be distributed to the Target Fund’s common shareholders in connection with the Reorganization and, in lieu of such fractional shares, the Target Fund’s common shareholders entitled to receive a fractional share will receive cash in an amount equal to a pro rata share of the proceeds from the sale by the

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Acquiring Fund’s transfer agent of the aggregated fractional shares in the open market (as described further below), which may be higher or lower than net asset value.

Preferred shareholders of the Target Fund will receive the same number of Acquiring Fund AMTP Shares having substantially similar terms as the outstanding AMTP Shares of the Target Fund held by such preferred shareholders immediately prior to the closing of the Reorganization. The aggregate liquidation preference of the Acquiring Fund AMTP Shares received in connection with the Reorganization will equal the aggregate liquidation preference of the Target Fund AMTP Shares held immediately prior to the closing of the Reorganization. The Acquiring Fund AMTP Shares to be issued in connection with the Reorganization will have equal priority with each other and with the Acquiring Fund’s other outstanding preferred shares as to the payment of dividends and the distribution of assets upon dissolution, liquidation or winding up of the affairs of the Acquiring Fund. In addition, the preferred shares of the Acquiring Fund, including the AMTP Shares of the Acquiring Fund to be issued in connection with the Reorganization, will be senior in priority to the Acquiring Fund’s common shares as to the payment of dividends and the distribution of assets upon dissolution, liquidation or winding up of the affairs of the Acquiring Fund. However, the Acquiring Fund has multiple types and series of preferred shares outstanding. As a result of the Reorganization, the assets of the Acquiring Fund and the Target Fund would be combined, and the shareholders of the Target Fund would become shareholders of the Acquiring Fund.

The closing date is expected to be on or about January 11, 2021, or such other date as the parties may agree (the “Closing Date”). Following the Reorganization, the Target Fund would terminate its registration as an investment company under the 1940 Act. The Acquiring Fund will continue to operate after the Reorganization as a registered closed-end management investment company, with the investment objectives and policies described in this Proxy Statement.

Following the Reorganization, each holder of AMTP Shares of the Target Fund would own the same number of Acquiring Fund AMTP Shares with the same aggregate liquidation preference as the AMTP Shares of the Target Fund held by such shareholder immediately prior to the closing of the Reorganization, with substantially similar terms as the outstanding AMTP

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Shares of the Target Fund held by such preferred shareholder immediately prior to the closing of the Reorganization. However, the Acquiring Fund has multiple series and multiple types of preferred shares outstanding. As a result of the Reorganization, preferred shareholders of the Funds would hold reduced voting percentages of preferred shares in the combined fund than they held in the Acquiring Fund or Target Fund individually.

Valuation of Assets and Liabilities. If the Reorganization is approved and the other closing conditions are satisfied or waived, the value of the net assets of the Target Fund will be the value of its assets, less its liabilities, computed as of the close of regular trading on the NYSE on the business day immediately prior to the Closing Date (such time and date being hereinafter called the “Valuation Time”). The value of the Target Fund’s assets will be determined by using the valuation procedures of the Nuveen closed-end funds adopted by the Board or such other valuation procedures as will be mutually agreed upon by the parties. The value of the Target Fund’s net assets will be calculated net of the liquidation preference (including accumulated and unpaid dividends) of all outstanding preferred shares of the Target Fund.

Dividends. Dividends shall accumulate on the existing AMTP Shares of the Target Fund up to and including the day immediately preceding the Closing Date and then cease to accumulate, and dividends on the Acquiring Fund AMTP Shares will accumulate from and including the Closing Date. Prior to the Valuation Time, the Target Fund will declare all accumulated but unpaid dividends on its AMTP Shares up to and including the day immediately preceding the Closing Date. With respect to the existing AMTP Shares of the Target Fund, such accumulated and unpaid dividends will be paid on the Closing Date to the holders thereof as of the day immediately preceding the Closing Date or if such day is not a business day, the next preceding business day.

Amendments. Under the terms of the Agreement, the Agreement may be amended, modified or supplemented in such manner as may be mutually agreed upon in writing by each Fund as specifically authorized by each Fund’s Board; provided, however, that following the receipt of shareholder approval of the Agreement, no such amendment, modification or supplement may have the effect of changing the provisions for determining the number of Acquiring Fund shares to be issued to the Target Fund’s shareholders under the Agreement to the detriment of such shareholders without their further approval.

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Conditions. Under the terms of the Agreement, the closing of the Reorganization is subject to the satisfaction or waiver of the following closing conditions: (1) the requisite approval by the shareholders of each Fund, as applicable, of the proposal with respect to the Reorganization in this Proxy Statement, (2) each Fund’s receipt of an opinion substantially to the effect that the Reorganization will qualify as a reorganization under the Code (see “—Material Federal Income Tax Consequences of the Reorganization”), (3) the absence of legal proceedings challenging the Reorganization, and (4) the Funds’ receipt of certain customary certificates and legal opinions. Additionally, in order for the Reorganization to occur, each Fund must obtain certain consents, confirmations and/or waivers from various third parties, including holders of preferred shares and liquidity providers with respect to the outstanding VRDP Shares of the Acquiring Fund.

Termination. The Agreement may be terminated by the mutual agreement of the parties and such termination may be effected by each Fund’s Chief Administrative Officer or a Vice President without further action by the Board of such Fund. In addition, either Fund may at its option terminate the Agreement at or before the closing due to: (1) a breach by any other party of any representation, warranty or agreement contained therein to be performed at or before the closing, if not cured within 30 days of the breach and prior to the closing; (2) a condition precedent to the obligations of the terminating party that has not been met and it reasonably appears it will not or cannot be met; or (3) a determination by its Board that the consummation of the transactions contemplated by the Agreement is not in the best interests of the Fund.

Reasons for the Reorganization

Based on the considerations described below, the Board of Trustees of the Target Fund (the “Target Board”), all of whom are not “interested persons,” as defined in the 1940 Act, and the Board of Trustees of the Acquiring Fund (the “Acquiring Board”), all of whom are not “interested persons,” as defined in the 1940 Act, have determined that the Reorganization would be in the best interests of the applicable Fund and that the interests of the existing shareholders of such Fund would not be diluted as a result of the Reorganization. At a meeting held on August 4-6, 2020 (the “Meeting”), each Board approved the Reorganization and recommended that shareholders of its Fund, as applicable, approve the Reorganization.

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At and prior to the Meeting, including at previous meetings, the Adviser made presentations and provided the Boards with information relating to the proposed Reorganization and alternatives to the proposed Reorganization. Prior to approving the Reorganization, each Board reviewed the foregoing information with its independent legal counsel and with management, reviewed with independent legal counsel applicable law and its duties in considering such matters and met with independent legal counsel in private sessions without management present. Based on the foregoing, the Boards considered the following factors (as applicable), among others, in approving the Reorganization and recommending that shareholders of the Funds (as applicable) approve the Reorganization:

Compatibility of Investment Objectives, Policies and Related Risks. Based on the information presented, the Boards noted that, as municipal

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funds, the Funds have generally similar investment objectives, policies and risks, but there are differences. The Acquiring Fund is a national municipal fund that seeks to provide current income exempt from regular federal income tax, while the Target Fund seeks to provide current income exempt from both regular federal and Maryland individual income taxes. Each Board considered the impact of the Reorganization on its Fund’s portfolio, including any shifts in credit quality, yield and state allocations, and observed that the Acquiring Fund was significantly larger than the Target Fund and that each Fund utilizes leverage. Further, in comparison to the Target Fund, the Target Board recognized the expected increase in portfolio and leverage management flexibility due to the significantly larger asset base of the combined fund and the Acquiring Fund’s national mandate with greater flexibility to invest in lower rated securities; however, the Target Board also recognized that Target Fund shareholders would lose the benefit of state tax exemption as a result of the Reorganization. The Target Board further noted the potential for higher common share net earnings and distribution levels due to, among other things, the Acquiring Fund’s greater flexibility to invest in lower rated securities (which are subject to higher risk) and operating economies from the Acquiring Fund’s greater scale. With respect to the Acquiring Fund, the Acquiring Board considered that based on information provided by the Adviser, the Acquiring Fund may benefit in the near term from a modest increase in common share net earnings and operating efficiencies. The Acquiring Board also considered that although the impact of the Reorganization on the Acquiring Fund’s portfolio was expected to be modest in absolute terms due to the significantly greater size of the Acquiring Fund, based on information provided by the Adviser, the Acquiring Fund may benefit from the Reorganization over the long term as a result of increased investment capital, which would allow the Acquiring Fund to pursue additional investment opportunities. With respect to principal investment risks, while the principal risks of an investment in each Fund would be similar in certain respects because each Fund invests primarily in municipal securities and other investments the income from which is exempt from regular federal income taxes and employs leverage, the differences between the Funds’ investment objectives and policies would affect the comparative risk profile. For example because the Acquiring Fund has more flexibility than the Target Fund to invest in lower rated securities (as noted above), it is subject to high yield securities risk to a greater degree than the Target Fund. In addition, the Target Fund is subject to single state risk, while the Acquiring Fund is not.

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Consistency of Portfolio Management. Each Fund has the same investment adviser and sub-adviser, but a different portfolio manager, and the portfolio manager of the Acquiring Fund will manage the combined fund upon completion of the Reorganization. Through the Reorganization, the Boards recognized that shareholders will remain invested in a closed-end management investment company that will have greater net assets and the same investment adviser and sub-adviser.

Larger Asset Base of the Combined Fund; Effect of the Reorganization on Fees and Expense Ratios. The Boards considered the fees and expense ratios of each of the Funds (including estimated expenses of the combined fund following the Reorganization). It is anticipated that the Funds will benefit from the larger asset size as fixed costs are shared over a larger asset base. In this regard, the Target Board noted that it was expected that the net operating expenses per common share (i.e., expenses excluding the costs of leverage) of the combined fund would be lower than those of the Target Fund prior to the closing of the Reorganization. Further, the Target Board noted that the Reorganization was expected to result in a lower management fee for Target Fund shareholders due to breakpoints in the Acquiring Fund’s fee schedule.

Potential for Improved Secondary Market Trading with Respect to Common Shares. While it is not possible to predict trading levels following the Reorganization, the Target Board noted that the Reorganization is being proposed, in part, to seek to enhance the secondary trading market for the common shares with respect to the Target Fund. The Target Board considered that, relative to the Target Fund, the combined fund’s greater share volume may result in greater secondary market liquidity and improved secondary market trading for common shares after the Reorganization, which may lead to narrower bid-ask spreads and smaller trade-to-trade price movements.

Anticipated Tax-Free Reorganization; Capital Loss Carryforwards. The Reorganization will be structured with the intention that it qualifies as a tax-free reorganization for federal income tax purposes, and the Funds will obtain opinions of counsel substantially to this effect (based on certain factual representations and certain customary assumptions and exclusions). In addition, the Boards considered the impact of the Reorganization on any estimated capital loss carryforwards of the Funds and applicable limitations of federal income tax rules.

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Expected Costs of the Reorganization. The Boards considered the terms and conditions of the Reorganization, including the estimated costs associated with the Reorganization and the allocation of such costs between the Funds. Preferred shareholders will not bear any costs of the Reorganization.

Terms of the Reorganization and Impact on Shareholders. The terms of the Reorganization are intended to avoid dilution of the interests of the existing shareholders of the Funds. In this regard, the Target Board considered that each holder of common shares of the Target Fund will receive common shares of the Acquiring Fund (taking into account any fractional shares to which the shareholder would be entitled) equal in value as of the Valuation Time to the aggregate per share net asset value of that shareholder’s Target Fund common shares held as of the Valuation Time. However, no fractional common shares of the Acquiring Fund will be distributed to the Target Fund’s common shareholders in connection with the Reorganization. In lieu of such fractional shares, the Target Fund’s common shareholders will receive cash.

Preferred shareholders of the Target Fund will receive the same number of Acquiring Fund AMTP Shares having substantially similar terms as the outstanding AMTP Shares of the Target Fund held by such preferred shareholders immediately prior to the closing of the Reorganization. The aggregate liquidation preference of the Acquiring Fund AMTP Shares received in connection with the Reorganization will equal the aggregate liquidation preference of the Target Fund AMTP Shares held immediately prior to the closing of the Reorganization.

In conjunction with the issuance of additional shares of the Acquiring Fund as described above, the Acquiring Board considered that the Acquiring Fund would receive additional assets and liabilities as a result of the Reorganization.

Effect on Shareholder Rights. The Target Board considered that each Fund is organized as a Massachusetts business trust. In this regard, there will be no change to Target Fund shareholder rights under state statutory law.

With respect to holders of preferred shares of the Target Fund, the Target Board considered that upon the closing of the Reorganization, holders of AMTP Shares of the Target Fund will receive, on a one-for-one basis, newly issued AMTP Shares of the Acquiring Fund having substantially

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similar terms, as of the closing of the Reorganization, as the AMTP Shares of the Target Fund exchanged therefor. With respect to holders of preferred shares of the Acquiring Fund, the Acquiring Board considered that the outstanding preferred shares of the Acquiring Fund and the preferred shares to be issued by the Acquiring Fund in the Reorganization would have equal priority with each other as to the payment of dividends and the distribution of assets upon the dissolution, liquidation or winding up of the affairs of the Acquiring Fund.

Alternatives. The Target Board considered various alternatives to the Reorganization, including liquidating the Target Fund and merging the Target Fund into an open-end fund. In considering liquidation, the Target Board took into account, among other things, that such alternative would be a taxable event and could be potentially disruptive to long-term shareholders. In evaluating the Reorganization, the Target Board considered, among other things, the Adviser’s view that combining the Target Fund with a larger municipal closed-end fund with a national mandate was an attractive alternative in light of certain potential benefits to Target Fund shareholders, as outlined above.

Potential Benefits to Nuveen Fund Advisors and Affiliates. The Boards recognized that the Reorganization may result in some benefits and economies of scale for the Adviser and its affiliates. These may include, for example, a reduction in the level of operational expenses incurred for administrative, compliance and portfolio management services as a result of the elimination of the Target Fund as a separate fund in the Nuveen complex.

Conclusion. Each Board approved the Reorganization, concluding that the Reorganization is in the best interests of its Fund and that the interests of existing shareholders of its Fund will not be diluted as a result of the Reorganization.

Capitalization

The following table sets forth the unaudited capitalization of the Funds as of April 30, 2020. The table reflects pro forma exchange ratios of approximately 0.93975024 common shares of the Acquiring Fund issued for

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each common share of the Target Fund. If the Reorganization is consummated, the actual exchange ratios may vary.

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Expenses Associated with the Reorganization

Preferred shareholders will not bear any costs of the Reorganization; however the Funds and indirectly their common shareholders will bear the cost of the Reorganization whether or not the Reorganization is consummated. The allocation of the costs of the Reorganization to the Funds is based on the projected relative benefits of the Reorganization, based on impact on common share net earnings, if any, to Fund shareholders following the Reorganization. The costs of the Reorganization are estimated to be $645,000. These costs represent the estimated nonrecurring expenses of the Funds in carrying out their obligations under the Agreement and consist of management’s estimate of professional service fees, printing costs and mailing charges related to the proposed Reorganization. The Target Fund is expected to be allocated $350,000 and the Acquiring Fund is expected to be allocated $295,000 of the Reorganization costs. If the Reorganization is not consummated for any reason, including because the requisite shareholder approvals are not obtained, the Funds and indirectly their common shareholders, will still bear the costs of the Reorganization.

The Funds have engaged Computershare Fund Services to assist in the solicitation of proxies at an estimated aggregate cost of $7,500 per Fund plus reasonable expenses, which is included in the foregoing estimate.

Dissenting Shareholders’ Rights of Appraisal

Under the charter documents of the Funds, shareholders do not have dissenters’ rights of appraisal with respect to the Reorganization.

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Material Federal Income Tax Consequences of the Reorganization

As a non-waivable condition to each Fund’s obligation to consummate the Reorganization, each Fund will receive a tax opinion from Vedder Price P.C. (which opinion will be based on certain factual representations and certain customary assumptions and exclusions) with respect to the Reorganization substantially to the effect that, on the basis of the existing provisions of the Code, current administrative rules and court decisions, for federal income tax purposes:

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The opinion addressing the federal income tax consequences of the Reorganization described above will rely on the assumption that the Acquiring Fund AMTP Shares received in the Reorganization will constitute equity of the Acquiring Fund. In that regard, Stradley Ronon Stevens & Young, LLP, as special tax counsel to the Acquiring Fund, will deliver an opinion to the Acquiring Fund, subject to certain representations, assumptions and conditions, substantially to the effect that the Acquiring Fund AMTP Shares received in the Reorganization by the holders of AMTP Shares of the Target Fund will qualify as equity of the Acquiring Fund for federal income tax purposes. As a result, distributions with respect to the

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preferred shares (other than distributions in redemption of preferred shares subject to Section 302(b) of the Code) will generally constitute dividends to the extent of the Acquiring Fund’s allocable current or accumulated earnings and profits, as calculated for federal income tax purposes. Because the treatment of a corporate security as debt or equity is determined on the basis of the facts and circumstances of each case, and no controlling precedent exists for the preferred shares issued in the Reorganization, there can be no assurance that the IRS will not question special tax counsel’s opinion and the Acquiring Fund’s treatment of the preferred shares as equity. If the IRS were to succeed in such a challenge, holders of preferred shares could be characterized as receiving taxable interest income rather than exempt-interest or other dividends, possibly requiring them to file amended income tax returns and retroactively to recognize additional amounts of ordinary income and pay additional tax, interest and penalties, and the tax consequences of the Reorganization could differ significantly from those described in this Proxy Statement.

No opinion will be expressed as to (1) the effect of the Reorganization on the Target Fund, the Acquiring Fund or any Target Fund shareholder with respect to any asset (including, without limitation, any stock held in a passive foreign investment company as defined in Section 1297(a) of the Code) as to which any gain or loss is required to be recognized under federal income tax principles (a) at the end of a taxable year (or on the termination thereof) or (b) upon the transfer of such asset regardless of whether such transfer would otherwise be a non-taxable transaction under the Code, or (2) any other federal tax issues (except those set forth above) and all state, local or non-U.S. tax issues of any kind.

The opinion addressing the federal income tax consequences of the Reorganization will be based on certain factual representations and customary assumptions. The opinion will rely on such representations and will assume the accuracy of such representations. If such representations and assumptions are incorrect, the Reorganization may not qualify as a tax-free reorganization for federal income tax purposes, and the Target Fund and Target Fund shareholders may recognize taxable gain or loss as a result of the Reorganization.

Opinions of counsel are not binding upon the IRS or the courts. If the Reorganization occurs but the IRS or the courts determine that the Reorganization does not qualify as a tax-free reorganization under the Code,

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and thus is taxable, the Target Fund would recognize gain or loss on the transfer of its assets to the Acquiring Fund and each shareholder of the Target Fund would recognize taxable gain or loss equal to the difference between its basis in its Target Fund shares and the fair market value of the shares of the Acquiring Fund it receives.

Prior to the Valuation Time, the Target Fund will declare a distribution to its common shareholders, which, together with all other distributions to preferred and common shareholders made with respect to the taxable year in which the Reorganization occurs and all prior taxable years, will have the effect of distributing to shareholders all its net investment income and realized net capital gains (after reduction by any available capital loss carryforwards and excluding any net capital gain on which the Target Fund paid federal income tax), if any, through the Closing Date. To the extent distributions are attributable to ordinary taxable income or capital gains, the distribution will be taxable to shareholders for federal income tax purposes. Each Fund designates distributions to common and preferred shareholders as consisting of particular types of income (such as exempt interest, ordinary income and capital gain) based on each class’ proportionate share of the total distributions paid by the Fund with respect to the year. As a result, such distribution could cause a portion of the distributions received by holders of AMTP Shares of the Target Fund with respect to the year to be taxable for federal income tax purposes. Additional distributions may be made if necessary.

After the Reorganization, the combined fund’s ability to use the Target Fund’s or the Acquiring Fund’s realized and unrealized pre-Reorganization capital losses may be limited under certain federal income tax rules applicable to reorganizations of this type. Therefore, in certain circumstances, shareholders may pay federal income tax sooner, or pay more federal income tax, than they would have had the Reorganization not occurred. However, the effect of these potential limitations will depend on a number of factors including the amount of the losses, the amount of gains to be offset, the exact timing of the Reorganization and the amount of unrealized capital gains in the Funds at the time of the Reorganization.

As of October 31, 2019, the Acquiring Fund’s tax year end, the Acquiring Fund had unused capital loss carryforwards available for federal income tax purposes to be applied against future capital gains, if any. The capital loss carryforwards are not subject to expiration.

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As of May 31, 2020, the Target Fund’s tax year end, the Target Fund had unused capital loss carryforwards available for federal income tax purposes to be applied against future capital gains, if any. The capital loss carryforwards are not subject to expiration.

In addition, the shareholders of the Target Fund will receive a proportionate share of any taxable income and gains realized by the Acquiring Fund and not distributed to its shareholders prior to the closing of the Reorganization when such income and gains are eventually distributed by the Acquiring Fund. To the extent the Acquiring Fund sells portfolio investments after the Reorganization, the Acquiring Fund may recognize gains or losses, which also may result in taxable distributions to shareholders holding preferred shares of the Acquiring Fund (including former Target Fund preferred shareholders who hold shares of the Acquiring Fund following the Reorganization) to the extent such amounts are required to be allocated to distributions received by preferred shareholders. As a result, shareholders of the Target Fund and the Acquiring Fund may receive a greater amount of taxable distributions than they would have had the Reorganization not occurred.

The foregoing is intended to be only a summary of the principal federal income tax consequences of the Reorganization and should not be considered to be tax advice. This description of the federal income tax consequences of the Reorganization is made without regard to the particular facts and circumstances of any shareholder. There can be no assurance that the IRS will concur on all or any of the issues discussed above. Shareholders are urged to consult their own tax advisers as to the specific consequences to them of the Reorganization, including without limitation the federal, state, local and non-U.S. tax consequences with respect to the foregoing matters and any other considerations that may be applicable to them.

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Shareholder Approval

The Reorganization is required to be approved by the affirmative vote of the holders of a majority (more than 50%) of the Target Fund’s outstanding common shares and preferred shares entitled to vote on the matter, voting together as a single class, and by the affirmative vote of the holders of a majority (more than 50%) of the Target Fund’s outstanding preferred shares entitled to vote on the matter, voting together as a single class. The Reorganization also is required to be approved by the affirmative vote of the holders of a majority (more than 50%) of the Acquiring Fund’s outstanding preferred shares entitled to vote on the matter, voting together as a single class. Holders of the Target Fund’s common shares and holders of the Acquiring Fund’s preferred shares are being solicited separately on the foregoing proposal through a separate joint proxy statement/prospectus and not through this Proxy Statement.

Abstentions and broker non-votes will have the same effect as a vote against the approval of the Reorganization. Broker non-votes are shares held by brokers or nominees, typically in “street name,” as to which (1) instructions have not been received from the beneficial owners or persons entitled to vote and (2) the broker or nominee does not have discretionary voting power on a particular matter.

Preferred shareholders of each Fund are separately being asked to approve the Agreement as a “plan of reorganization” under the 1940 Act. Section 18(a)(2)(D) of the 1940 Act provides that the terms of preferred shares issued by a registered closed-end management investment company must contain provisions requiring approval by the vote of a majority of such shares, voting as a class, of any plan of reorganization adversely affecting such shares. Because the 1940 Act makes no distinction between a plan of reorganization that has an adverse effect as opposed to a materially adverse effect, each Fund is seeking approval of the Agreement by the holders of such Fund’s preferred shares.

The closing of the Reorganization is subject to the satisfaction or waiver of certain closing conditions, which include customary closing conditions. In order for the Reorganization to occur, all requisite shareholder approvals must be obtained at the Special Meeting, and certain other consents, confirmations and/or waivers from various third parties, including holders of preferred shares and liquidity providers with respect to the outstanding VRDP Shares of the Acquiring Fund, must also be obtained.

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Because the closing of the Reorganization is contingent upon each of the Target Fund and the Acquiring Fund obtaining such shareholder approvals and satisfying (or obtaining the waiver of) other closing conditions, it is possible that the Reorganization will not occur, even if shareholders of a Fund entitled to vote on the Reorganization proposal approve such proposal and the Fund satisfies all of its closing conditions, if the other Fund does not obtain its requisite shareholder approval or satisfy (or obtain the waiver of) its closing conditions.

Each series of preferred shares was issued on a private placement basis to one or a small number of institutional holders. To the extent that one or more preferred shareholders of a Fund owns, holds or controls, individually or in the aggregate, all or a significant portion of a series of a Fund’s outstanding preferred shares, one or more shareholder approvals required for the Reorganization may turn on the exercise of voting or consent rights by such particular shareholder(s) and its or their determination as to the favorable view of the Reorganization with respect to its or their interests. The Funds exercise no influence or control over the determinations of such shareholders with respect to the proposal; there is no guarantee that such shareholders will approve the proposal over which they may exercise effective disposition power. If the Reorganization is not consummated, each Fund’s Board may take such actions as it deems in the best interests of its Fund including conducting additional solicitations with respect to the proposal or, with respect to the Target Fund’s Board, continuing to operate as a standalone fund.

Description of Common Shares to Be Issued by the Acquiring Fund; Comparison to Target Fund

General

As a general matter, the common shares of the Acquiring Fund and the Target Fund have equal voting rights and equal rights with respect to the payment of dividends and the distribution of assets upon dissolution, liquidation or winding up of the affairs of their Fund and have no preemptive, conversion or exchange rights, except as the Trustees may authorize, or rights to cumulative voting. Holders of whole common shares of each Fund are entitled to one vote per share on any matter on which the shares are entitled to vote, while each fractional share entitles its holder to a proportional fractional vote. Furthermore, the provisions set forth in each Fund’s declaration of trust and by-laws include, among other things,

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substantially identical anti-takeover voting provisions, as described under “Additional Information about the Acquiring Fund—Certain Provisions in the Acquiring Fund’s Declaration of Trust and By-Laws.” The full text of each Fund’s declaration of trust and by-laws are on file with the SEC.

The Acquiring Fund’s declaration of trust authorizes an unlimited number of common shares, par value $0.01 per share. If the Reorganization is consummated, the Acquiring Fund will issue additional common shares on the Closing Date to the common shareholders of the Target Fund based on the relative per share net asset value of the Acquiring Fund and the aggregate net assets of the Target Fund that are transferred in connection with the Reorganization, in each case as of the Valuation Time. The value of a Fund’s net assets will be calculated net of the liquidation preference (including accumulated and unpaid dividends) of all of the Fund’s outstanding preferred shares.

The terms of the Acquiring Fund common shares to be issued pursuant to the Reorganization will be identical to the terms of the Acquiring Fund common shares that are then outstanding. Acquiring Fund common shares have equal rights with respect to the payment of dividends and the distribution of assets upon dissolution, liquidation or winding up of the affairs of the Acquiring Fund. The Acquiring Fund common shares, when issued, will be fully paid and non-assessable and have no preemptive, conversion or exchange rights or rights to cumulative voting. See also “Summary Description of Massachusetts Business Trusts.”

Distributions

So long as preferred shares are outstanding, the Acquiring Fund may not declare a dividend or distribution to common shareholders (other than a dividend in common shares of the Fund) or purchase outstanding common shares unless all accumulated dividends on preferred shares have been paid and unless the asset coverage, as defined in the 1940 Act, with respect to its preferred shares at the time of the declaration of such dividend or distribution or at the time of such purchase would be at least 200% after giving effect to the dividend or distribution or purchase price.

Affiliated Brokerage and Other Fees

Neither the Target Fund nor the Acquiring Fund paid brokerage commissions within the last fiscal year to (i) any broker that is an affiliated

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person of such Fund or an affiliated person of such person, or (ii) any broker an affiliated person of which is an affiliated person of such Fund, the Adviser, or the Sub-Adviser of such Fund.

During the last fiscal year, neither the Target Fund nor the Acquiring Fund made any material payments to the Adviser or Sub-Adviser or any affiliated person of the Adviser or Sub-Adviser for services provided to the Target Fund (other than pursuant to a Fund’s Investment Management Agreement).

Description of AMTP Shares to Be Issued by the Acquiring Fund

The terms of the New AMTP Shares will be substantially similar, as of the time of the closing of the Reorganization, to the outstanding AMTP Shares of the Target Fund. However, because of the Acquiring Fund’s policy of investing in a nationally diversified portfolio of municipal securities, the terms of the New AMTP Shares will not include a provision, currently applicable to the Target Fund AMTP Shares, that generally would require an additional payment to holders subject to Maryland income taxation in the event the Fund was required to allocate capital gains and/or ordinary income to a given month’s distribution in order to make such distribution equal, on an after-tax basis, to the amount of the distribution if it was excludable from Maryland income taxation (in addition to federal income taxation). The aggregate liquidation preference of the New AMTP Shares received in the Reorganization will equal the aggregate liquidation preference of the Target Fund AMTP Shares held immediately prior to the closing of the Reorganization. The economic terms of the New AMTP Shares likely will not be the same as the terms of the outstanding AMTP Shares of the Acquiring Fund (the “Outstanding AMTP Shares”). A full description of the New AMTP Shares is set forth in the Memorandum attached as Appendix B to this Proxy Statement.

Summary Description of Massachusetts Business Trusts

Each Fund is a Massachusetts business trust. The following description is based on relevant provisions of applicable Massachusetts law and each Fund’s operative documents. This summary does not purport to be complete and we refer you to applicable Massachusetts law and each Fund’s operative documents.

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General

A fund organized as a Massachusetts business trust is governed by the trust’s declaration of trust and by-laws or similar instrument. Massachusetts law allows the trustees of a business trust to set the terms of a fund’s governance in its declaration of trust and by-laws. All power and authority to manage the fund and its affairs generally reside with the trustees, and shareholder voting and other rights are limited to those provided to the shareholders in the declaration of trust and related governing documents.

Because Massachusetts law governing business trusts provides more flexibility compared to typical state corporate statutes, the Massachusetts business trust is a common form of organization for closed-end funds. However, some consider it less desirable than other entities because it relies on the terms of the applicable declaration of trust, by-laws and judicial interpretations rather than statutory provisions for substantive issues, such as the personal liability of shareholders and trustees, and does not provide the level of certitude that corporate laws or newer statutory trust laws, such as those of Delaware, provide.

Shareholders of a Massachusetts business trust are not afforded the statutory limitation of personal liability for the trust’s liabilities generally afforded to shareholders of a corporation. Instead, the declaration of trust of a fund organized as a Massachusetts business trust typically provides that a shareholder will not be personally liable, and further provides for indemnification to the extent that a shareholder is found personally liable, for the fund’s acts or obligations. The declaration of trust for each Fund contains such provisions.

Similarly, the trustees of a Massachusetts business trust are not afforded statutory protection from personal liability for the obligations of the trust. However, courts in Massachusetts have recognized limitations of a trustee’s personal liability in contract actions for the obligations of a trust contained in the trust’s declaration of trust, and declarations may also provide that trustees may be indemnified out of the assets of the trust to the extent held personally liable. The declaration of trust for each Fund contains such provisions.

The Funds

Each Fund is organized as a Massachusetts business trust and is governed by its declaration of trust and by-laws. Under the declaration of

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trust of each Fund, any determination as to what is in the interests of the Fund made by the trustees in good faith is conclusive, and in construing the provisions of the declaration of trust, there is a presumption in favor of a grant of power to the trustees. Further, the declaration of trust provides that certain determinations made in good faith by the trustees are binding upon the Fund and all shareholders, and shares are issued and sold on the condition and understanding, evidenced by the purchase of shares, that any and all such determinations will be so binding. The by-laws of each Fund provide that each shareholder of the Fund, by virtue of having become a shareholder, shall be held to have expressly assented and agreed to be bound by the terms of the Fund’s governing documents. The Funds’ declaration of trusts are substantially the same, and the Funds have adopted the same by-laws. The following is a summary of some of the key provisions of the Funds’ governing documents.

Shareholder Voting. The declaration of trust of each Fund requires a shareholder vote on a number of matters, including certain amendments to the declaration of trust, the election of trustees, the merger or reorganization of the Fund (under certain circumstances) or sales of assets in certain circumstances and matters required to be voted on by the 1940 Act.

The declaration of trust of each Fund provides that each whole share of the Fund is entitled to one vote on any matter on which it is entitled to vote and each fractional common share is entitled to a proportional fractional vote.

The by-laws of each Fund provide that the holders of a majority (more than 50%) of the shares of the Fund entitled to vote at a meeting will constitute a quorum for the transaction of business. Notwithstanding the foregoing, when the holders of preferred shares are entitled to elect any of a Fund’s trustees by class vote of such holders, the holders of thirty-three and one-third percent (33 1/3%) of the shares entitled to vote at a meeting shall constitute a quorum for the purpose of such an election. The declaration of trust of each Fund provides that the affirmative vote of the holders of a majority (more than 50%) of the shares present in person or by proxy and entitled to vote at a meeting of shareholders at which a quorum is present is required to approve a matter, except for the election of trustees and as otherwise required by the 1940 Act, the declaration of trust, the by-laws, any resolution of the trustees which authorizes the issuance of preferred shares or the written statement setting forth the relative rights and preferences of the preferred shares. With respect to the election of trustees, each Fund’s

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by-laws provide that the affirmative vote of a majority (more than 50%) of the shares outstanding and entitled to vote is required to elect trustees in a “contested election” (i.e., an election in which the number of trustees nominated exceeds the number of trustees to be elected), but that a plurality vote applies in an uncontested election.

The by-laws of each Fund provide that a shareholder who obtains beneficial ownership of common shares in a “Control Share Acquisition” shall have the same voting rights as other common shares only to the extent authorized by shareholders. Such authorization shall require the affirmative vote of the holders of a majority (more than 50%) of the shares of the Fund entitled to vote in the election of trustees excluding Interested Shares. Interested Shares include shares held by Fund officers and any person who has acquired common shares in a Control Share Acquisition (the “Control Share Provisions”). The by-laws define a “Control Share Acquisition,” subject to various conditions and exceptions, generally to mean an acquisition of common shares that would give the beneficial owner, upon the acquisition of such shares, the ability to exercise voting power, but for the Control Share Provisions, in the election of trustees (except for any elections of trustees by holders of preferred shares voting as a separate class) in any one of the following ranges: (i) one-tenth or more, but less than one-fifth of all voting power; (ii) one-fifth or more, but less than one-third of all voting power; (iii) one-third or more, but less than a majority of all voting power; or (iv) a majority or more of all voting power. For this purpose, all common shares acquired by a person within ninety days before or after the date on which such person acquires shares that result in a Control Share Acquisition, and all common shares acquired by such person pursuant to a plan to make a Control Share Acquisition, shall be deemed to have been acquired in the same Control Share Acquisition. Subject to various conditions and procedural requirements, including the delivery of a “Control Share Acquisition Statement” to the Fund setting forth certain required information, a shareholder who obtains or proposes to obtain beneficial ownership of common shares in a Control Share Acquisition generally may request a vote of shareholders to approve the authorization of voting rights of such shareholder with respect to such shares.

Shareholder Meetings. Meetings of shareholders may be called by the trustees and must be called upon the written request of shareholders entitled to cast at least 10% of all votes entitled to be cast at the meeting. Shareholder requests for special meetings are subject to various requirements under each

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Fund’s by-laws, including as to the specific form of, and information required in, a shareholder’s request to call such a meeting. A shareholder may request a special meeting only to act on a matter upon which such shareholder is entitled to vote, and shareholders may not request special meetings for the purpose of electing trustees.

The by-laws of each Fund authorize the trustees or the chair of a shareholder meeting to adopt rules, regulations and procedures appropriate for the proper conduct of the meeting, which may include (i) the establishment of an agenda or order of business for the meeting; (ii) the determination of when the polls shall open and close for any given matter to be voted on by the shareholders present or represented at the meeting; (iii) rules and procedures for maintaining order at the meeting and the safety of those present; (iv) limitations on attendance at and participation in the meeting by shareholders, their duly authorized and constituted proxies or such other persons as the chair of the meeting shall determine; (v) restrictions on entry to the meeting after the time fixed for the commencement thereof; (vi) limitations on the time allotted to questions or comments by shareholders; and (vii) the extent to which, if any, other participants are permitted to speak.

The by-laws of each Fund establish qualification criteria applicable to prospective trustees and generally require that advance notice be given to the Fund in the event a shareholder desires to nominate a person for election to the Board or to transact any other business at a meeting of shareholders. Any notice by a shareholder must be accompanied by certain information as required by the by-laws. No shareholder proposal will be considered at any meeting of shareholders of a Fund if such proposal is submitted by a shareholder who does not satisfy all applicable requirements set forth in the by-laws.

Election and Removal of Trustees. The declaration of trust of each Fund provides that the trustees determine the size of the Board, subject to a minimum and a maximum number. Subject to the provisions of the 1940 Act, the declaration of trust also provides that vacancies on the Board may be filled by the remaining trustees. A trustee may be removed only for cause and only by action of at least two-thirds of the remaining trustees or by action of at least two-thirds of the outstanding shares of the class or classes that elected such trustee. The by-laws of each Fund establish qualification requirements applicable to any person who is recommended, nominated, elected, appointed, qualified or seated as a trustee.

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Pursuant to each Fund’s by-laws, the Fund’s Board is divided into three classes (Class I, Class II and Class III) with staggered multi-year terms, such that only the members of one of the three classes stand for election each year. The staggered board structure could delay for up to two years the election of a majority of the Board of each Fund. The board structure of the Acquiring Fund will remain in place following the closing of the Reorganization.

Issuance of Shares. Under the declaration of trust of each Fund, the trustees are permitted to issue an unlimited number of shares for such consideration and on such terms as the trustees may determine. Shareholders are not entitled to any preemptive rights or other rights to subscribe to additional shares, except as the trustees may determine. Shares are subject to such other preferences, conversion, exchange or similar rights, as the trustees may determine.

Classes. The declaration of trust of each Fund gives broad authority to the trustees to establish classes or series in addition to those currently established and to determine the rights and preferences, conversion rights, voting powers, restrictions, limitations, qualifications or terms or conditions of redemptions of the shares of the classes or series. The trustees are also authorized to terminate a class or series without a vote of shareholders under certain circumstances.

Amendments to Governing Documents. Amendments to the declaration of trust generally require the consent of shareholders owning more than 50% of shares entitled to vote, voting in the aggregate. Certain amendments may be made by the trustees without a shareholder vote, and any amendment to the voting requirements contained in the declaration of trust requires the approval of two-thirds of the outstanding common shares and preferred shares, voting in the aggregate and not by class except to the extent that applicable law or the declaration of trust may require voting by class. Each Fund’s by-laws may be amended or repealed, or new by-laws may be adopted, by a vote of a majority of the trustees. The by-laws of each Fund may not be amended by shareholders.

Shareholder, Trustee and Officer Liability. The declaration of trust of each Fund provides that shareholders have no personal liability for the acts or obligations of the Fund and requires the Fund to indemnify a shareholder from any loss or expense arising solely by reason of his or her being or having been a shareholder and not because of his or her acts or omissions or

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for some other reason. In addition, each declaration of trust provides that the Fund will assume the defense of any claim against a shareholder for personal liability at the request of the shareholder. Similarly, each declaration of trust provides that any person who is a trustee, officer or employee of the Fund is not personally liable to any person in connection with the affairs of the Fund, other than to the Fund and its shareholders arising from such trustee’s, officer’s or employee’s bad faith, willful misfeasance, gross negligence or reckless disregard for his or her duties involved in the conduct of his or her office. Each declaration of trust further provides for indemnification of such persons and advancement of the expenses of defending any such actions for which indemnification might be sought. Each declaration of trust provides that the trustees may rely in good faith on expert advice.

Forum Selection. Each Fund’s by-laws provide that, unless the Fund consents in writing to the selection of an alternative forum, and except for certain claims brought under the federal securities laws, the sole and exclusive forum for any shareholder or group of shareholders to bring (i) any derivative action or proceeding brought on behalf of the Fund, (ii) any action asserting a claim for breach of any duty owed by a trustee or officer or other employee of a Fund to the Fund or to the Fund’s shareholders, (iii) any action asserting a claim arising pursuant to Massachusetts business trust law or the Fund’s governing documents, and (iv) any other action asserting a claim governed by the internal affairs doctrine, shall be within the United States District Court for the District of Massachusetts (Boston Division) or, to the extent such court does not have jurisdiction, the Business Litigation Session of the Massachusetts Superior Court in Suffolk County. Each Fund’s by-laws further provide that in any such covered action there is no right to a jury trial and the right to a jury trial is expressly waived to the fullest extent permitted by law.

Derivative and Direct Claims of Shareholders. Each Fund’s by-laws contain provisions regarding derivative and direct claims of shareholders. Massachusetts has what is commonly referred to as a “universal demand statute,” which requires that a shareholder make a written demand on the board, requesting the trustees to bring an action, before the shareholder is entitled to bring or maintain a derivative action in the right of or name of or on behalf of the trust. Under the Massachusetts statute, a shareholder whose demand has been refused by the trustees may bring the claim only if the shareholder demonstrates to a court that the trustees’ decision not to pursue the requested action was not a good faith exercise of their business judgment on behalf of the Fund. The by-laws of each Fund largely incorporate the

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substantive elements of the Massachusetts statute and establish procedures for shareholders to bring derivative actions and for the Board to consider shareholder demands that the Fund commence a suit. In addition, the by-laws of each Fund distinguish direct actions from derivative claims and prohibit the latter from being brought directly by a shareholder.

Comparison of the Investment Objectives and Policies of the Acquiring Fund and the Target Fund

General

The Funds have similar but not identical investment objectives, policies and risks in that each Fund seeks to provide current income exempt from regular federal income tax (and, in the case of the Target Fund, Maryland individual income tax) and to enhance portfolio value relative to the municipal bond market by investing in tax-exempt municipal securities that the Adviser believes are underrated or undervalued or that represent municipal market sectors that are undervalued. For the Target Fund, the foregoing objectives regarding (i) current income exempt from both regular federal income taxes and Maryland individual income tax; and (ii) the enhancement of portfolio value relative to the Maryland municipal bond market through investments in tax-exempt municipal obligations that the Adviser believes are underrated or undervalued or that represent municipal market sectors that are undervalued, are identified as the Target Fund’s primary and secondary objectives, respectively. The Acquiring Fund’s investment objectives are not categorized in this manner. Under normal circumstances, the Acquiring Fund will invest at least 80% of its Assets in municipal securities and other related investments, the income from which is exempt from regular federal income taxes. Under normal circumstances, the Target Fund will invest at least 80% of its Managed Assets in municipal securities and other related investments the income from which is exempt from regular federal and Maryland income taxes.

Under normal circumstances, the Acquiring Fund may invest up to 35% of its Managed Assets (as defined above) in securities that, at the time of investment, are rated below the three highest grades (Baa or BBB or lower) by at least one NRSRO or are unrated but judged to be of comparable quality by the Sub-Adviser. Under normal circumstances, the Target Fund

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will invest at least 80% of its Managed Assets in investment-grade securities that, at the time of investment, are rated within the four highest grades (Baa or BBB or better) by at least one NRSRO or are unrated but judged to be of comparable quality by the Fund’s Adviser or Sub-Adviser. The Target Fund may invest up to 20% of its Managed Assets (as defined above) in municipal securities that, at the time of investment, are rated below investment grade or are unrated securities determined to be of comparable quality by the Adviser or Sub-Adviser. If a municipal security satisfies the rating requirements described above at the time of purchase, the Target Fund will not be required to dispose of the security upon downgrade. Not more than 10% of the Target Fund’s Managed Assets may be invested in municipal securities rated below B3/B- or that are unrated but judged to be of comparable quality by the Adviser or Sub-Adviser. For the purposes of the Target Fund’s credit quality policy, investment grade quality securities are securities rated within the four highest grades (Baa or BBB or better) by at least one of Moody’s, S&P, Fitch or unrated securities judged to be of comparable quality by the Target Fund’s Adviser or Sub-Adviser.

In addition, under normal circumstances, both the Target Fund and Acquiring Fund may invest up to 20% of their Managed Assets in municipal securities that pay interest that is taxable under the federal alternative minimum tax.

Note that (1) each Fund’s investment objectives; (2) the Acquiring Fund’s policy to invest, under normal circumstances, at least 80% of its Assets in a portfolio of securities that pay interest exempt from federal income tax; and (3) the Target Fund’s policy to invest, under normal circumstances, at least 80% of its Managed Assets in municipal securities and other related investments, the income from which is exempt from regular federal and Maryland income taxes may not be changed without the approval of the holders of a majority of the outstanding common shares and preferred shares voting together as a single class, and the approval of the holders of a majority of the outstanding preferred shares, voting separately as a single class. When used with respect to particular shares of a Fund, a “majority of the outstanding” shares means (1) 67% or more of the shares present at a meeting, if the holders of more than 50% of the shares are present in person (including participation by means of remote or “virtual” communication) or represented by proxy, or (2) more than 50% of the shares, whichever is less.

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Investment Policies

As a non-fundamental policy, under normal circumstances, the Acquiring Fund may invest up to 35% of its Managed Assets (as defined above) in securities that, at the time of investment, are rated below the three highest grades (Baa or BBB or lower) by at least one NRSRO or are unrated but judged to be of comparable quality by the Sub-Adviser.

Securities of below-investment-grade quality (Ba/BB or lower) are commonly referred to as “junk bonds.” Issuers of securities rated Ba/BB or B are regarded as having current capacity to make principal and interest payments but are subject to business, financial or economic conditions which could adversely affect such payment capacity. Municipal securities rated below investment-grade quality are obligations of issuers that are considered predominately speculative with respect to the issuer’s capacity to pay interest and repay principal according to the terms of the obligation and, therefore, carry greater investment risk, including the possibility of issuer default and bankruptcy and increased market price volatility. Municipal securities rated below investment grade tend to be less marketable than higher-quality securities because the market for them is less broad. The market for unrated municipal securities is even narrower. During periods of thin trading in these markets, the spread between bid and asked prices is likely to increase significantly and the Acquiring Fund may have greater difficulty selling its holdings of these types of portfolio securities. The Acquiring Fund will be more dependent on the Adviser’s and/or the Sub-Adviser’s research and analysis when investing in these securities.

The foregoing credit quality policy applies only at the time a security is purchased, and the Acquiring Fund is not required to dispose of a security in the event that a rating agency upgrades or downgrades its assessment of the credit characteristics of a particular issuer or that valuation changes of various municipal securities cause the Acquiring Fund’s portfolio to fail to satisfy those targets. In determining whether to retain or sell such a security, the Adviser and/or the Sub-Adviser may consider such factors as the Adviser’s and/or the Sub-Adviser’s assessment of the credit quality of the issuer of such security, the price at which such security could be sold and the rating, if any, assigned to such security by other rating agencies. The ratings of S&P, Moody’s and Fitch represent their opinions as to the quality of the municipal securities they rate. However, it should be emphasized that ratings are general and are not absolute standards of quality. Consequently,

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municipal securities with the same maturity, coupon and rating may have different yields while obligations of the same maturity and coupon with different ratings may have the same yield.

The Acquiring Fund’s investment objectives include enhancing portfolio value relative to the municipal bond market by investing in tax-exempt municipal bonds that the Adviser believes are underrated or undervalued or that represent municipal market sectors that are undervalued. Underrated municipal securities are those whose ratings do not, in the Adviser’s opinion, reflect their true value. Municipal securities may be underrated because of the time that has elapsed since their rating was assigned or reviewed or because of positive factors that may not have been fully taken into account by rating agencies, or for other similar reasons. Municipal securities that are undervalued or that represent undervalued municipal market sectors are municipal securities that, in the Adviser’s opinion, are worth more than the value assigned to them in the marketplace. Municipal securities of particular types or purposes (e.g., hospital bonds, industrial revenue bonds or bonds issued by a particular municipal issuer) may be undervalued because there is a temporary excess of supply in that market sector, or because of a general decline in the market price of municipal securities of the market sector for reasons that do not apply to the particular municipal securities that are considered undervalued. The Acquiring Fund’s investment in underrated or undervalued municipal securities will be based on the Adviser’s belief that the prices of such municipal securities should ultimately reflect their true value. Accordingly, “to enhance portfolio value relative to the municipal bond market” refers to the Acquiring Fund’s objective of attempting to realize above-average capital appreciation in a rising market, and to experience less than average capital losses in a declining market. Thus, the Acquiring Fund’s second investment objective is not intended to suggest that capital appreciation is itself an objective of the Acquiring Fund. Instead, the Acquiring Fund seeks enhancement of portfolio value relative to the municipal bond market by prudent selection of municipal securities, regardless of which direction the market may move. Any capital appreciation realized by the Acquiring Fund will generally result in the distribution of taxable capital gains to shareholders.

The Acquiring Fund will invest primarily in municipal securities with long-term maturities in order to maintain an average effective maturity of 15 to 30 years, including the effects of leverage, but the average effective

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maturity of obligations held by the Acquiring Fund may be lengthened or shortened as a result of portfolio transactions effected by the Adviser and/or the Sub-Adviser, depending on market conditions and on an assessment by the portfolio manager of which segments of the municipal securities markets offer the most favorable relative investment values and opportunities for tax-exempt income and total return. As a result, the Acquiring Fund’s portfolio at any given time may include both long-term and intermediate-term municipal securities. Moreover, during temporary defensive periods (e.g., times when, in the Adviser’s and/or the Sub-Adviser’s opinion, temporary imbalances of supply and demand or other temporary dislocations in the tax-exempt bond market adversely affect the price at which long-term or intermediate-term municipal securities are available), and in order to keep the Acquiring Fund’s cash fully invested, the Acquiring Fund may invest any percentage of its net assets in short-term investments including high quality, short-term debt securities that may be either tax-exempt or taxable. The Acquiring Fund may not achieve its investment objectives during such periods. The Acquiring Fund will generally select obligations which may not be redeemed at the option of the issuer for approximately seven to nine years. As of April 30, 2020, the average effective maturity of the portfolio of the Acquiring Fund was 18.39 years.

The Acquiring 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 Acquiring Fund may invest directly, to the extent permitted by the 1940 Act, the rules and regulations issued thereunder and applicable exemptive orders issued by the SEC. In addition, the Acquiring Fund may purchase municipal securities that are additionally secured by insurance, bank credit agreements or escrow accounts. The credit quality of companies that provide such credit enhancements may affect the value of those securities. Although the insurance feature may reduce certain financial risks, the premiums for insurance and the higher market price paid for insured obligations may reduce the Acquiring Fund’s income. The insurance feature guarantees only the payment of principal and interest on the obligation when due and does not guarantee the market value of the insured obligations, which will fluctuate with the bond market and the financial success of the issuer and the insurer, and the effectiveness and value of the insurance itself is dependent on the continued creditworthiness of the insurer. No representation is made as to the insurers’ ability to meet their commitments.

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The Acquiring Fund may enter into certain derivative instruments in pursuit of its investment objectives, including to seek to enhance return, to hedge certain risks of its investments in fixed-income securities or as a substitute for a position in the underlying asset. Such instruments include financial futures contracts, swap contracts (including interest rate and credit default swaps), options on financial futures, options on swap contracts or other derivative instruments. The Acquiring Fund may not enter into a futures contract or related options or forward contracts if more than 30% of the Acquiring Fund’s net assets would be represented by futures contracts or more than 5% of the Acquiring Fund’s net assets would be committed to initial margin deposits and premiums on futures contracts or related options.

The Acquiring Fund may invest up to 15% of its Managed Assets in inverse floating rate securities. Inverse floating rate securities represent a leveraged investment in the underlying municipal bond deposited. Inverse floating rate securities offer the opportunity for higher income than the underlying bond, but will subject the Acquiring Fund to the risk of lower or even no income if short-term interest rates rise sufficiently. By investing in an inverse floating rate security rather than directly in the underlying bond, the Acquiring Fund will experience a greater increase in its common share net asset value if the underlying municipal bond increases in value, but will also experience a correspondingly larger decline in its common share net asset value if the underlying bond declines in value.

The Acquiring 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.

The Acquiring Fund may borrow money to finance the repurchase of its shares or for temporary or emergency purposes, such as for the payment of dividends or the settlement of portfolio transactions. Interest on any borrowings to finance share repurchase transactions or the accumulation of cash by the Acquiring Fund in anticipation of share repurchases or tenders will reduce the Acquiring Fund’s net income. Any share repurchase, tender offer or borrowing that might be approved by the Acquiring Fund’s Board would have to comply with the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the 1940 Act and the rules and regulations thereunder.

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The Acquiring Fund is diversified for purposes of the 1940 Act. Consequently, as to 75% of its assets, the Acquiring Fund may not invest more than 5% of its total assets in the securities of any single issuer (and in not more than 10% of the outstanding voting securities of an issuer), except that this limitation does not apply to cash, securities of the U.S. government, its agencies and instrumentalities, and securities of other investment companies.

As noted above, during temporary defensive periods and in order to keep the Acquiring Fund’s cash fully invested, the Acquiring Fund may deviate from its investment objectives and invest up to 100% of its net assets in short-term investments including high quality, short-term securities that may be either tax-exempt or taxable. It is the intent of the Acquiring Fund 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. Investment in taxable short-term investments would result in a portion of dividends payable to Acquiring Fund shareholders being subject to regular federal income tax and, if the proportion of taxable investments exceeded 50% of the Acquiring Fund’s total assets as of the close of any quarter of the Acquiring Fund’s taxable year, the Acquiring Fund would not satisfy the general eligibility test that permits it to pay exempt-interest dividends for that taxable year.

Portfolio Investments

Municipal Securities

General. The Acquiring 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 federal income tax. Municipal securities are generally debt obligations issued by state and local governmental entities and may be issued by U.S. territories and possessions 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

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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. 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, 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 may increase the effective leverage of the Acquiring Fund.

The Acquiring Fund may invest in municipal bonds issued by U.S. territories and possessions (such as Puerto Rico or Guam) the income from which is exempt from regular federal income tax. 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.

Municipal Leases and Certificates of Participation. The Acquiring 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 that is issued by a state or local government to acquire equipment and facilities. Income from such obligations generally is 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

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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 Acquiring Fund’s original investment. To the extent that the Acquiring 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 Acquiring Fund will purchase municipal securities representing lease obligations only where the Adviser and/or the Sub-Adviser 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 typically are 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 Acquiring Fund with the right to a pro rata undivided interest in the underlying municipal securities. In addition, such participations generally provide the Acquiring 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

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revenue, such as federal revenues available under federal revenue sharing programs. Bond anticipation notes are issued to provide interim financing until 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. However, an investment in such instruments 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. Legislation commonly known as the Tax Cuts and Jobs Act of 2017 repealed the federal income tax exclusion from gross income for interest paid on certain pre-refunded municipal securities effective for such bonds issued after December 31, 2017.

Private Activity Bonds. Private activity 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,

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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.

Inverse Floating Rate Securities. The Acquiring Fund may invest in inverse floating rate securities. Inverse floating rate securities 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, commonly referred to as a “tender option bond trust” (“TOB trust”), that holds municipal bonds. The TOB trust typically sells two classes of beneficial interests or securities: floating rate securities (sometimes referred to as short-term floaters or tender option bonds (“TOBs”)), and inverse floating rate securities (sometimes referred to as inverse floaters). Both classes of beneficial interests are represented by certificates or receipts. The floating rate securities have first priority on the cash flow from the municipal bonds held by the TOB trust. In this structure, the floating rate security holders have the option, at periodic short-term intervals, to tender their securities to the trust for purchase and to receive the face value thereof plus accrued interest. The obligation of the trust to repurchase tendered securities is supported by a remarketing agent and by a liquidity provider. As consideration for providing this support, the remarketing agent and the liquidity provider receive 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 trust is not obligated to purchase tendered short-term floaters in the event of certain defaults with respect to the underlying municipal bonds or a significant downgrade in the credit rating assigned to the bond issuer.

As the holder of an inverse floating rate investment, the Acquiring Fund receives the residual cash flow from the TOB trust. Because the holder of the short-term floater is generally assured liquidity at the face value of the security plus accrued interest, the holder of the inverse floater assumes the interest rate cash flow risk and the market value risk associated with the municipal bond deposited into the TOB 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

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the short-term floaters to the value of the inverse floaters that are issued by the TOB trust, and can exceed three times for more “highly leveraged” trusts. All voting rights and decisions to be made with respect to any other rights relating to the municipal bonds held in the TOB trust are passed through, pro rata, to the holders of the short-term floaters and to the Acquiring Fund as the holder of the associated inverse floaters.

Because any increases in the interest rate on the short-term floaters issued by a TOB trust would reduce the residual interest paid on the associated inverse floaters, and because fluctuations in the value of the municipal bond deposited in the TOB trust would affect only the value of the inverse floater and not the value of the short-term floater issued by the trust so long as the value of the municipal bond held by the trust exceeded the face amount of short-term floaters outstanding, the value of inverse floaters is generally more volatile than that of an otherwise comparable municipal bond held on an unleveraged basis outside a TOB trust. Inverse floaters generally will underperform the market of fixed-rate bonds in a rising interest rate environment (i.e., when bond values are falling), but will tend to outperform the market of fixed-rate bonds when interest rates decline or remain relatively stable. Although volatile in value and return, inverse floaters typically offer the potential for yields higher than those available on fixed-rate bonds with comparable credit quality, coupon, call provisions and maturity. Inverse floaters have varying degrees of liquidity or illiquidity based primarily upon the inverse floater holder’s ability to sell the underlying bonds deposited in the TOB trust at an attractive price.

The Acquiring Fund may invest in inverse floating rate securities issued by TOB trusts in which the liquidity providers have recourse to the Fund pursuant to a separate shortfall and forbearance agreement. Such an agreement would require the Acquiring Fund to reimburse the liquidity provider, among other circumstances, upon termination of the TOB trust for the difference between the liquidation value of the bonds held in the trust and the principal amount and accrued interest due to the holders of floating rate securities issued by the trust. The Acquiring Fund will enter into such a recourse agreement (1) when the liquidity provider requires such a recourse agreement because the level of leverage in the TOB trust exceeds the level that the liquidity provider is willing to support absent such an agreement; and/or (2) to seek to prevent the liquidity provider from collapsing the trust in the event the municipal bond held in the trust has declined in value to the point where it may cease to exceed the face amount of outstanding short-term

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floaters. In an instance where the Acquiring Fund has entered such a recourse agreement, the Fund may suffer a loss that exceeds the amount of its original investment in the inverse floating rate securities; such loss could be as great as that original investment amount plus the face amount of the floating rate securities issued by the trust plus accrued interest thereon.

The Acquiring 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 TOB trusts.

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

Floating Rate Securities. The Acquiring Fund may also invest in short-term floating rate securities, as described above, issued by TOB trusts. 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 other periods of up to one year. Since the tender option feature provides a shorter term than the final maturity or first call date of the underlying municipal bond deposited in the trust, the Acquiring Fund, as the holder of the floating rate securities, relies upon the terms of the remarketing and liquidity agreements with the financial institution that acts as remarketing agent and/or liquidity provider as well as the credit strength of that institution. As further assurance of liquidity, the terms of the TOB trust provide for a liquidation of the municipal bond deposited in the trust and the application of the proceeds to pay off the floating rate securities. The TOB 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 securities.

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, generally are 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

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obligation bonds. Further, the fees, special taxes, or tax allocations and other revenues that are established to secure such financings generally are 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.

Illiquid Securities

The Acquiring 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, and repurchase agreements with maturities in excess of seven days.

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 Securities Act. Where registration is required, the Acquiring 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 Acquiring Fund might obtain a less favorable price than that which prevailed when it decided to sell. Illiquid securities will be priced at a fair value as determined in good faith by the Board or its delegatee.

When-Issued and Delayed-Delivery Transactions

The Acquiring 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. 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 Acquiring Fund enters into a commitment to purchase securities on a when-issued or delayed-delivery basis, the Fund is required under interpretations 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, at least equal to the amount of the commitment. Income generated by any such assets

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which provide taxable income for federal income tax purposes is includable in the taxable income of the Acquiring Fund and, to the extent distributed, will be taxable to shareholders. The Acquiring 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 60 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 cost.

Derivatives

General. The Acquiring Fund may invest in certain derivative instruments in pursuit of its investment objectives. Such instruments include financial futures contracts, swap contracts (including interest rate and credit default swaps), options on financial futures, options on swap contracts or other derivative instruments. 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 Acquiring 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 Acquiring 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 Acquiring Fund would keep the stream of payments and would have no payment obligations. As the seller, the Acquiring Fund would be subject to investment exposure on the notional amount of the swap. If the Acquiring 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 Acquiring 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

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payments and would have no further obligations to the Acquiring Fund. Interest rate swaps involve the exchange by the Acquiring 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 Acquiring 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.

The Adviser and/or the Sub-Adviser may use derivative instruments to seek to enhance return, to hedge some of the risks of the Acquiring Fund’s investments in municipal securities 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 the Adviser and/or the Sub-Adviser will determine to use them for the Acquiring Fund or, if used, that the strategies will be successful.

Limitations on the Use of Futures, Options on Futures and Swaps. The Adviser has claimed, with respect to the Acquiring Fund, the exclusion from the definition of “commodity pool operator” under the CEA provided by CFTC Regulation 4.5 and is therefore not currently subject to registration or regulation as such under the CEA with respect to the Fund. In addition, the Sub-Adviser has claimed the exemption from registration as a commodity trading advisor provided by CFTC Regulation 4.14(a)(8) and is therefore not currently subject to registration or regulation as such under the CEA with respect to the Acquiring Fund. In February 2012, the CFTC announced substantial amendments to certain exemptions, and to the conditions for reliance on those exemptions, from registration as a commodity pool operator. Under amendments to the exemption provided under CFTC Regulation 4.5, if the Acquiring Fund uses futures, options on futures, or swaps other than for bona fide hedging purposes (as defined by the CFTC), the aggregate initial margin and premiums on these positions (after taking into account unrealized profits and unrealized losses on any such positions and excluding the amount by which options that are “in-the-money” at the time of purchase are “in-the-money”) may not exceed 5% of the Fund’s net asset value, or alternatively, the aggregate net notional value of those positions may not exceed 100% of the Fund’s net asset value (after taking into account unrealized profits and unrealized losses on any such positions). The CFTC amendments to Regulation 4.5 took effect on December 31, 2012,

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and the Acquiring Fund intends to comply with amended Regulation 4.5’s requirements such that the Adviser will not be required to register as a commodity pool operator with the CFTC with respect to the Fund. The Acquiring Fund reserves the right to employ futures, options on futures and swaps to the extent allowed by CFTC regulations in effect from time to time and in accordance with the Fund’s policies. However, the requirements for qualification as a regulated investment company under Subchapter M of the Code may limit the extent to which the Acquiring Fund may employ futures, options on futures or swaps.

Structured Notes

The Acquiring 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.

Other Investment Companies

The Acquiring 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, to the extent permitted by the 1940 Act, the rules and regulations issued thereunder and applicable exemptive orders issued by the SEC. In addition, the Acquiring 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.

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The Acquiring 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 or during periods when there is a shortage of attractive, high yielding municipal securities available in the market. The Acquiring Fund may invest in investment companies that are advised by the Adviser and/or the Sub-Adviser or their affiliates to the extent permitted by applicable law and/or pursuant to exemptive relief from the SEC. The Acquiring Fund has not applied for and currently does not intend to apply for such relief. As a shareholder in an investment company, the Acquiring Fund will bear its ratable share of that investment company’s expenses and would remain subject to payment of its own management fees with respect to assets so invested. Common shareholders would therefore be subject to duplicative expenses to the extent the Acquiring Fund invests in other investment companies.

The Adviser and/or the Sub-Adviser 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. The net asset value 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.

Zero Coupon Bonds

The Acquiring Fund may invest in zero coupon bonds. A zero coupon bond is a bond that typically does not pay interest for the entire life of the obligation or for an initial period after the issuance of the obligation. The market prices of zero coupon bonds are affected to a greater extent by changes in prevailing levels of interest rates and therefore tend to be more volatile in price than securities that pay interest periodically. In addition, because the Acquiring Fund accrues income with respect to these securities prior to the receipt of such interest, it may have to dispose of portfolio securities under disadvantageous circumstances in order to obtain cash needed to pay income dividends in amounts necessary to avoid unfavorable tax consequences.

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Hedging Strategies

The Acquiring Fund may use various investment strategies designed to limit the risk of bond price fluctuations and to preserve capital. These hedging strategies include using financial futures contracts, options on financial futures or options based on either an index of long-term municipal securities or on taxable debt securities whose prices, in the opinion of the Adviser and/or the Sub-Adviser, correlate with the prices of the Acquiring Fund’s investments. These hedging strategies may generate taxable income.

The Target Fund’s Board recommends that shareholders vote FOR the approval of the Reorganization.

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ADDITIONAL INFORMATION ABOUT THE ACQUIRING FUND

Annual Expenses Excluding the Costs of Leverage

Based on information provided by the Adviser, the Target Fund’s Board considered that it was expected that the annual operating expense ratio of the combined fund following the Reorganization, excluding leverage, would be lower than the annual operating expense ratio of the Target Fund. The annual operating expense ratio of the Target Fund, Acquiring Fund and the combined fund following the Reorganization for the six-month semi-annual period ended April 30, 2020 (annualized) based on the assumptions set forth in “Comparative Fee Table” at page 24 are as follows: