Proxy Statement (definitive) (def 14a)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. )

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Filed by a Party other than the Registrant [ ]

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[ ] Preliminary Proxy Statement

[ ] Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

[X] Definitive Proxy Statement

[ ] Definitive Additional Materials

[ ] Soliciting Material Pursuant to Section 240.14a-12

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Eaton Vance Limited Duration Income Fund

Eaton Vance National Municipal Opportunities Trust

(Name of Registrant as Specified in Its Charter)

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(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

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[ ] Fee computed on table below per Exchange Act Rules 14a-6(i) (1) and 0-11.

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Eaton Vance Limited Duration Income Fund

Eaton Vance National Municipal Opportunities Trust

Two International Place

Boston, Massachusetts 02110

November 23, 2022

Dear Shareholder:

You are cordially invited to attend the Annual Meeting of Shareholders (the “Annual Meeting”) of your Fund, which will be held in a hybrid format at the principal office of each Fund, Two International Place, Boston, Massachusetts 02110 and telephonically, on Thursday, January 12, 2023 at 11:30 a.m. (Eastern Time).

At this Annual Meeting you will be asked to consider the election of Trustees. The enclosed proxy statement contains additional information.

We hope that you will be able to attend the Annual Meeting. Whether or not you plan to attend and regardless of the number of shares you own, it is important that your shares be represented. I urge you to complete, sign and date the enclosed proxy card and return it in the enclosed postage-paid envelope as soon as possible to assure that your shares are represented at the Annual Meeting.

Sincerely,

/s/ Eric A. Stein

Eric A. Stein

President

YOUR VOTE IS IMPORTANT - PLEASE RETURN YOUR PROXY CARD PROMPTLY.

It is important that your shares be represented at the Annual Meeting. Whether or not you plan to attend, you are requested to complete, sign and return the enclosed proxy card as soon as possible. You may withdraw your proxy if you attend the Annual Meeting and desire to vote at the Annual Meeting.

Eaton Vance Limited Duration Income Fund

Eaton Vance National Municipal Opportunities Trust

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Shareholders to be Held on Thursday, January 12, 2023: The Notice of Annual Meeting of Shareholders, Proxy Statement, Proxy Card and Shareholder Report are available on the Eaton Vance website at https://funds.eatonvance.com/closed-end-fund-and-term-trust-documents.php.

The Annual Meeting of Shareholders of each of the above registered investment companies, each a Massachusetts business trust (each, a “Fund” and together, the “Funds”), will be held in a hybrid format at the principal office of each Fund, Two International Place, Boston, Massachusetts 02110 and telephonically, on Thursday, January 12, 2023 at 11:30 a.m. (Eastern Time), for the following purposes:

(1)	To elect Trustees of each Fund as outlined below:
	a.	For Eaton Vance Limited Duration Income Fund:
		(i)	three Class II Trustees, Thomas E. Faust Jr., Mark R. Fetting and Keith Quinton, to be elected by the holders of the Fund’s Common Shares and Auction Preferred Shares, voting together as a single class; and
		(ii)	one Class II Trustee, Nancy A. Wiser, to be elected by the holders of the Fund’s Auction Preferred Shares, voting separately as a single class; and
	b.	For Eaton Vance National Municipal Opportunities Trust, four Class II Trustees, Cynthia E. Frost, Keith Quinton, Susan J. Sutherland and Nancy A. Wiser, to be elected by the shareholders of the Fund’s Common Shares.
(2)	To consider and act upon any other matters that may properly come before the meeting and any adjourned or postponed session thereof.

Although each Fund is holding a separate meeting, the meetings will be held concurrently. Shareholders of each Fund will vote separately. Any such vote FOR or AGAINST a proposal will also authorize the persons named as proxies to vote accordingly FOR or AGAINST any such adjournment of the Annual Meeting of Shareholders.

The Board of Trustees of each Fund (the “Board”) has fixed the close of business on November 1, 2022 as the record date for the determination of the shareholders of a Fund entitled to notice of and to vote at the Annual Meeting and any adjournments or postponements thereof. As part of our effort to maintain a safe and healthy environment at our Annual Meeting, we are pleased to offer our shareholders a hybrid meeting format. Subject to certain requirements discussed herein, shareholders may attend the Annual Meeting in person or telephonically.

If, as of November 1, 2022, you were a holder of record of Fund shares (i.e., you held Fund shares in your own name directly with the Fund) and you would like to be provided with the conference call dial-in information to participate in the Annual Meeting, you should email your full name and address to AST Fund Solutions, LLC (“AST”) at attendameeting@astfinancial.com and include the Fund name(s) in the subject line. You will then be provided with the conference call dial-in information and instructions for voting during the Annual Meeting. All requests to participate in the Annual Meeting telephonically must be received by AST no later than 3:00 p.m. Eastern Time on January 11, 2023.

If you are a record holder of Fund shares and plan to attend the Annual Meeting in person, you must show a valid photo identification (such as a driver’s license). Please call 1-800-262-1122 for information on how to obtain directions to be able to attend and vote at the Annual Meeting.

If, as of November 1, 2022, you held Fund shares through an intermediary (such as a broker-dealer) and wish to participate in and vote at the Annual Meeting, you will need to obtain a legal proxy from your intermediary reflecting the Fund name, the number of Fund shares you held and your name and email address. If you would like to be provided with the conference call dial-in information and instructions for voting during the Annual Meeting, you may forward an email from your intermediary containing the legal proxy or attach an image of the legal proxy to an email and send it to AST at attendameeting@astfinancial.com with “Legal Proxy” in the subject line. You will then be provided with the conference call dial-in information and instructions for voting during the Annual Meeting. All requests to participate in the Annual Meeting telephonically must be received by AST no later than 3:00 p.m. Eastern Time on January 11, 2023.

If you hold Fund shares through an intermediary and plan to attend and vote at the Annual Meeting in person, you will be required to show a valid photo identification, your authority to vote your shares (referred to as a “legal proxy”). As described above, you must contact your intermediary to obtain a legal proxy for your shares.

All shareholders may contact AST at attendameeting@astfinancial.com with any questions regarding how to attend the Annual Meeting telephonically, and an AST representative will contact you to answer your questions.

The Funds and the Board are closely monitoring developments with respect to COVID-19 and the advice and guidance of public health officials. For that reason, the Board reserves the right to reconsider the date, time and/or means of convening the Annual Meeting. Subject to any restrictions imposed by applicable law, the Board may choose to conduct the Annual Meeting solely by means of remote communications. If the Board chooses to change the date, time and/or means of convening the Annual Meeting, the Fund will announce the decision to do so in advance, and details on how to participate will be issued by press release and filed with the Securities and Exchange Commission as additional proxy material. Attendees are also encouraged to review guidance from public health authorities on this issue.

By Order of each Board of Trustees

/s/ Jill R. Damon

Jill R. Damon

Secretary

November 23, 2022

Boston, Massachusetts

IMPORTANT

Shareholders can help the Board of Trustees of their Fund(s) avoid the necessity and additional expense to the Funds of further solicitations by promptly returning the enclosed proxy. The enclosed addressed envelope requires no postage if mailed in the United States and is intended for your convenience.

Eaton Vance Limited Duration Income Fund

Eaton Vance National Municipal Opportunities Trust

Two International Place

Boston, Massachusetts 02110

PROXY STATEMENT

This proxy statement is furnished in connection with the solicitation of proxies by the Board of Trustees of Eaton Vance Limited Duration Income Fund (the “Limited Duration Income Fund”) and Eaton Vance National Municipal Opportunities Trust (the “National Municipal Opportunities Trust”) (each, a “Fund” and together, the “Funds”). The proxies will be voted at the Annual Meeting of Shareholders of each Fund and at any adjournments or postponements thereof (the “Annual Meeting”). The Annual Meeting will be held in a hybrid format on Thursday, January 12, 2023 at 11:30 a.m. (Eastern Time) at the principal office of each Fund, Two International Place, Boston, Massachusetts 02110, and telephonically, as discussed further herein. The Annual Meeting will be held for the purposes set forth in the accompanying notice. This proxy material is being mailed to shareholders on or about November 23, 2022.

The Board of Trustees of each Fund (the “Board”) has fixed the close of business on November 1, 2022 as the record date for the determination of the shareholders entitled to notice of and to vote at the meeting and any adjournments or postponements thereof. The number of Common Shares, $0.01 par value per share (“Common Shares”), and, in the case of Limited Duration Income Fund, the number of Auction Preferred Shares, $0.01 par value per share, liquidation preference $25,000 per share (“APS”), of each Fund outstanding on November 1, 2022, were as follows:

Fund	No. of Common Shares Outstanding on November 1, 2022	No. of APS Outstanding on November 1, 2022
Limited Duration Income Fund	116,203,460	8,640
National Municipal Opportunities Trust	15,624,921	N/A

Each Fund will vote separately on each proposal; votes of multiple Funds will not be aggregated.

According to filings made on Schedules 13D and 13G pursuant to Sections 13(d) and 13(g) of the Securities Exchange Act of 1934, as amended, one or more shareholders of Limited Duration Income Fund owns 5% or more of the Fund's Common Shares and/or APS. Information relating to such shareholders can be found on Exhibit C. As of November 1, 2022, to each Fund’s knowledge: (i) no other shareholder owned more than 5% of the outstanding shares of a Class of the Fund; and (ii) the Trustees and officers of the Fund, individually and as a group, owned beneficially less than 1% of the outstanding shares of the Fund.

Shareholders as of the close of business on the record date, who have voting power with respect to such shares, are entitled to attend and vote at the Annual Meeting. All properly executed proxies received prior to the Annual Meeting will be voted at the Annual Meeting. Each proxy will be voted in accordance with its instructions; if no instruction is given, an executed proxy will authorize the persons named on the respective proxy card enclosed as proxies, or any of them, to vote FOR the election of each Trustee. An executed proxy delivered to a Fund is revocable by the person giving it, prior to its exercise, by a signed writing filed with the Fund’s Secretary, by executing and delivering a later dated proxy, or by attending the Annual Meeting and voting the shares at the Annual Meeting. Merely attending the Annual Meeting will not revoke a previously executed proxy. If you hold Fund shares through an intermediary (such as a broker, bank, adviser or custodian), please consult with the intermediary regarding your ability to revoke voting instructions after they have been provided.

We are pleased to offer our shareholders a hybrid meeting format. Subject to certain requirements discussed herein, shareholders may attend the Annual Meeting in person or telephonically.

Proxy Statement dated November 23, 2022

The Board knows of no business other than that mentioned in Proposal 1 of the Notice of Annual Meeting of Shareholders that will be presented for consideration. If any other matters are properly presented, it is the intention of the persons named as proxies to vote on such matters in accordance with their judgment.

PROPOSAL 1. ELECTION OF TRUSTEES

Each Fund’s Agreement and Declaration of Trust provides that a majority of the Trustees shall fix the number of the entire Board and that such number shall be at least two and no greater than fifteen. Each Board has fixed the number of Trustees at ten. Under the terms of each Fund’s Agreement and Declaration of Trust, the Board of Trustees is divided into three classes, each class having a term of three years to expire on the date of the third Annual Meeting following its election. Thus, this could delay for up to two years the replacement of a majority of the Board.

Proxies will be voted for the election of the following nominees:
	a.	For Limited Duration Income Fund:
		(i)	three Class II Trustees, Thomas E. Faust Jr., Mark R. Fetting and Keith Quinton, to be elected by the holders of the Fund’s Common Shares and APS, voting together as a single class; and
		(ii)	one Class II Trustee, Nancy A. Wiser, to be elected by the holders of the Fund’s APS, voting separately as a single class; and
	b.	For National Municipal Opportunities Trust, four Class II Trustees, Cynthia E. Frost, Keith Quinton, Susan J. Sutherland and Nancy A. Wiser, to be elected by the shareholders of the Fund’s Common Shares.

The Board of Trustees recommends that shareholders vote FOR the election of the Trustee nominees of each Fund.

Each nominee is currently serving as a Trustee of his or her respective Fund and has consented to continue to so serve. In the event that a nominee is unable to serve for any reason (which is not now expected) when the election occurs, the accompanying proxy will be voted for such other person or persons as the Board of Trustees may recommend. Election of Trustees is non-cumulative. Shareholders do not have appraisal rights in connection with the proposal in this proxy statement.

Each nominee shall be elected by the affirmative vote of a plurality of the shares of the Fund entitled to vote. Proxies cannot be voted for a greater number of persons than the number of nominees named. No nominee is a party adverse to his or her respective Fund or any of its affiliates in any material pending legal proceeding, nor does any nominee have an interest materially adverse to such Fund.

Under the terms of Limited Duration Income Fund’s Amended and Restated By-laws, as amended, the holders of the APS are entitled as a class, to the exclusion of the holders of the Common Shares, to elect two Trustees of the Fund. Ms. Wiser has been nominated for election by holders of the Fund's APS at this meeting. Limited Duration Income Fund’s Amended and Restated By-laws further provide for the election of the other nominees named above by the holders of the Common Shares and the APS, voting together as a single class.

Proxy Statement dated November 23, 2022

The following table presents certain information regarding the current Trustees of each Fund, including the principal occupations of each such person for at least the last five years. References below to “EVV” are to Limited Duration Income Fund and to “EOT” are to National Municipal Opportunities Trust. Information in the table below about a Trustee’s position with a Fund, the period as a Trustee and the current term of each Trustee are for each Fund unless otherwise noted.

Name and Year of Birth	Fund Position(s)	Trustee Since⁽¹⁾	Current Term Expiring	Principal Occupation(s) During Past Five Years and Other Relevant Experience	Other Directorships Held During Last Five Years
Interested Trustee
THOMAS E. FAUST JR. 1958	Trustee	2007	EVV: Class II Trustee until 2023. EOT: Class I Trustee until 2025.	Chairman of Morgan Stanley Investment Management, Inc. (“MSIM”), member of the Board of Managers and President of Eaton Vance, Inc. (“EV”) (since 2021), Chief Executive Officer and President of Eaton Vance Management (“EVM” or “Eaton Vance”) and Boston Management and Research (“BMR”). Formerly, Chairman, Chief Executive Officer (2007-2021) and President (2006-2021) of Eaton Vance Corp. (“EVC”) and Director of Eaton Vance Distributors, Inc. (“EVD”) (2007-2022). Mr. Faust is an interested person because of his positions with MSIM, BMR, Eaton Vance and EV, which are affiliates of the Fund.	Formerly, Director of EVC (2007-2021) and Hexavest Inc. (2012-2021) (investment management firm).
Noninterested Trustees
MARK R. FETTING 1954	Trustee	2016	EVV: Class II Trustee until 2023. EOT: Class III Trustee until 2024.	Private investor. Formerly held various positions at Legg Mason, Inc. (investment management firm) (2000-2012), including President, Chief Executive Officer, Director and Chairman (2008-2012), Senior Executive Vice President (2004-2008) and Executive Vice President (2001-2004). Formerly, President of Legg Mason family of funds (2001-2008). Formerly, Division President and Senior Officer of Prudential Financial Group, Inc. and related companies (investment management firm) (1991-2000).	None
CYNTHIA E. FROST 1961	Trustee	2014	EVV: Class I Trustee until 2025. EOT: Class II Trustee until 2023.	Private investor. Formerly, Chief Investment Officer of Brown University (university endowment) (2000-2012). Formerly, Portfolio Strategist for Duke Management Company (university endowment manager) (1995-2000). Formerly, Managing Director, Cambridge Associates (investment consulting company) (1989-1995). Formerly, Consultant, Bain and Company (management consulting firm) (1987-1989). Formerly, Senior Equity Analyst, BA Investment Management Company (1983-1985).	None

Proxy Statement dated November 23, 2022

Name and Year of Birth	Fund Position(s)	Trustee Since⁽¹⁾	Current Term Expiring	Principal Occupation(s) During Past Five Years and Other Relevant Experience	Other Directorships Held During Last Five Years
GEORGE J. GORMAN 1952	Chairperson of the Board and Trustee	2021 (Chairperson) 2014 (Trustee)	EVV: Class III Trustee until 2024.⁽²⁾ EOT: Class III until 2024.	Principal at George J. Gorman LLC (consulting firm). Formerly, Senior Partner at Ernst & Young LLP (a registered public accounting firm) (1974-2009).	None
VALERIE A. MOSLEY 1960	Trustee	2014	EVV: Class I Trustee until 2025. EOT: Class I Trustee until 2025.	Chairwoman and Chief Executive Officer of Valmo Ventures (a consulting and investment firm). Founder of Upward Wealth, Inc., dba BrightUp, a fintech platform. Formerly, Partner and Senior Vice President, Portfolio Manager and Investment Strategist at Wellington Management Company, LLP (investment management firm) (1992-2012). Formerly, Chief Investment Officer, PG Corbin Asset Management (1990-1992). Formerly worked in institutional corporate bond sales at Kidder Peabody (1986-1990).	Director of DraftKings, Inc. (digital sports entertainment and gaming company) (since September 2020). Director of Envestnet, Inc. (provider of intelligent systems for wealth management and financial wellness) (since 2018). Formerly, Director of Dynex Capital, Inc. (mortgage REIT) (2013-2020) and Director of Groupon, Inc. (e-commerce provider) (2020-2022).
KEITH QUINTON 1958	Trustee	2018	EVV: Class II Trustee until 2023. EOT: Class II Trustee until 2023.	Private investor, researcher and lecturer. Formerly, Independent Investment Committee Member at New Hampshire Retirement System (2017-2021). Formerly, Portfolio Manager and Senior Quantitative Analyst at Fidelity Investments (investment management firm) (2001-2014).	Formerly, Director (2016-2021) and Chairman (2019-2021) of New Hampshire Municipal Bond Bank.
MARCUS L. SMITH 1966	Trustee	2018	EVV: Class III Trustee until 2024. EOT: Class III Trustee until 2024.	Private investor and independent corporate director. Formerly, Chief Investment Officer, Canada (2012-2017), Chief Investment Officer, Asia (2010-2012), Director of Asian Research (2004-2010) and portfolio manager (2001-2017) at MFS Investment Management (investment management firm).	Director of First Industrial Realty Trust, Inc. (an industrial REIT) (since 2021). Director of MSCI Inc. (global provider of investment decision support tools) (since 2017). Formerly, Director of DCT Industrial Trust Inc. (logistics real estate company) (2017-2018).

Proxy Statement dated November 23, 2022

Name and Year of Birth	Fund Position(s)	Trustee Since⁽¹⁾	Current Term Expiring	Principal Occupation(s) During Past Five Years and Other Relevant Experience	Other Directorships Held During Last Five Years
SUSAN J. SUTHERLAND 1957	Trustee	2015	EVV: Class III Trustee until 2024. EOT: Class II Trustee until 2023.	Private investor. Director of Ascot Group Limited and certain of its subsidiaries (insurance and reinsurance) (since 2017). Formerly, Director of Hagerty Holding Corp. (insurance) (2015-2018) and Montpelier Re Holdings Ltd. (insurance and reinsurance) (2013-2015). Formerly, Associate, Counsel and Partner at Skadden, Arps, Slate, Meagher & Flom LLP (law firm) (1982-2013).	Director of Kairos Acquisition Corp. (insurance/InsurTech acquisition company) (since 2021).
SCOTT E. WENNERHOLM 1959	Trustee	2016	EVV: Class I Trustee until 2025. EOT: Class I Trustee until 2025.	Private investor. Formerly, Trustee at Wheelock College (postsecondary institution) (2012-2018). Formerly, Consultant at GF Parish Group (executive recruiting firm) (2016-2017). Formerly, Chief Operating Officer and Executive Vice President at BNY Mellon Asset Management (investment management firm) (2005-2011). Formerly, Chief Operating Officer and Chief Financial Officer at Natixis Global Asset Management (investment management firm) (1997-2004). Formerly, Vice President at Fidelity Investments Institutional Services (investment management firm) (1994-1997).	None
NANCY A. WISER 1967	Trustee	2022	Class II Trustee until 2023.⁽²⁾	Formerly, Executive Vice President and the Global Head of Operations at Wells Fargo Asset Management (2011-2021).	None

⁽¹⁾

Year first appointed to serve as Trustee for a fund in the Eaton Vance family of funds. Each Trustee has served continuously since appointment unless indicated otherwise.

⁽²⁾

Elected or nominated to be elected by holders of Limited Duration Income Fund’s APS.

Each current Trustee listed above served as a Trustee of 135 funds within the Eaton Vance fund complex as of November 1, 2022 (including both funds and portfolios in a hub and spoke structure). The address of each Trustee is Two International Place, Boston, Massachusetts 02110.

Each Trustee holds office until the Annual Meeting for the year in which his or her term expires and until his or her successor is elected and qualified, subject to a prior death, resignation, retirement, disqualification or removal. Under the terms of each Fund’s current Trustee retirement policy, an Independent Trustee must retire and resign as a Trustee on the earlier of: (i) the first day of July following his or her 74^th birthday; or (ii), with limited exception, December 31^st of the 20^th year in which he or she has served as a Trustee. However, if such retirement and resignation would cause a Fund to be out of compliance with Section 16 of the Investment Company Act of 1940, as amended (the “1940 Act”) or any other regulations or guidance of the Securities and Exchange Commission (“SEC”), then such retirement and resignation will not become effective until such time as action has been taken for a Fund to be in compliance with Section 16 of the 1940 Act and any other regulations or guidance of the SEC.

Interested Trustee

Mr. Faust is an “interested person” (as defined in the 1940 Act) by reason of his affiliation with EVM, each Fund’s investment adviser, and his positions with MSIM, BMR, EVD and EV, which are affiliates of the Fund, and his former position with EVC, which was an affiliate of the Fund prior to March 1, 2021.

Share Ownership by Trustee

As of November 1, 2022, Mr. Quinton beneficially owned between $50,001 and $100,000 of Limited Duration Income Fund's equity securities. No other Trustee held shares in the Funds as of November 1, 2022. The following table shows, as of November 1, 2022, the dollar range of equity securities beneficially owned by each Trustee in all registered investment companies advised or administered by Eaton Vance (the “Eaton Vance family of funds”) overseen by the Trustee.

Proxy Statement dated November 23, 2022

	Name of Trustee	Aggregate Dollar Range of Equity Securities Beneficially Owned in Funds Overseen by Trustee in the Eaton Vance Family of Funds
Interested Trustee
	Thomas E. Faust Jr.	Over $100,000
Noninterested Trustees
	Mark R. Fetting	Over $100,000
	Cynthia E. Frost	Over $100,000
	George J. Gorman	Over $100,000
	Valerie A. Mosley	Over $100,000
	Keith Quinton	Over $100,000
	Marcus L. Smith	Over $100,000
	Susan J. Sutherland	Over $100,000⁽¹⁾
	Scott E. Wennerholm	Over $100,000⁽¹⁾
	Nancy A. Wiser⁽²⁾	None
⁽¹⁾ Includes shares which may be deemed to be beneficially owned through the Trustee Deferred Compensation Plan.
⁽²⁾ Ms. Wiser began serving as a Trustee effective April 4, 2022.

Board Meetings and Committees

The Board has general oversight responsibility with respect to the business and affairs of each Fund. The Board has engaged an investment adviser and (if applicable) a sub-adviser (collectively, the “adviser”) to manage each Fund. The Funds’ investment adviser also serves as administrator of each Fund. The Board is responsible for overseeing such adviser and administrator and other service providers to the Fund. The Board is currently composed of ten Trustees, including nine Trustees who are not “interested persons” of a Fund, as that term is defined in the 1940 Act (each a “noninterested Trustee”). In addition to six regularly scheduled meetings per year, the Board holds special meetings or informal conference calls to discuss specific matters that may require action prior to the next regular meeting. As discussed below, the Board has established six committees to assist the Board in performing its oversight responsibilities.

The Board has appointed a noninterested Trustee to serve in the role of Chairperson. The Chairperson’s primary role is to participate in the preparation of the agenda for meetings of the Board and the identification of information to be presented to the Board with respect to matters to be acted upon by the Board. The Chairperson also presides at all meetings of the Board and acts as a liaison with service providers, officers, attorneys, and other Board members generally between meetings. The Chairperson may perform such other functions as may be requested by the Board from time to time. In addition, the Board may appoint a noninterested Trustee to serve in the role of Vice-Chairperson. The Vice-Chairperson has the power and authority to perform any or all of the duties and responsibilities of the Chairperson in the absence of the Chairperson and/or as requested by the Chairperson. Except for any duties specified herein or pursuant to each Fund’s Declaration of Trust or By-Laws, the designation of Chairperson or Vice-Chairperson does not impose on such noninterested Trustee any duties, obligations or liability that is greater than the duties, obligations or liability imposed on such person as a member of the Board, generally.

Each Fund is subject to a number of risks, including, among others, investment, compliance, operational, and valuation risks. Risk oversight is part of the Board’s general oversight of each Fund and is addressed as part of various activities of the Board and its Committees. As part of its oversight of each Fund, the Board directly, or through a Committee, relies on and reviews reports from, among others, Fund management, the adviser/administrator, the principal underwriter, the Chief Compliance Officer (the “CCO”), and other Fund service providers responsible for day-to-day oversight of Fund investments, operations and compliance to assist the Board in identifying and understanding the nature and extent of risks and determining whether, and to what extent, such risks can or should be mitigated. The Board also interacts with the CCO and with senior personnel of the adviser/administrator, the principal underwriter and other Fund service providers and provides input on risk management issues during meetings of the Board and its Committees. Each of the adviser/administrator, the principal underwriter and the other Fund service providers has its own independent interest and responsibilities in risk management, and its policies and methods for carrying out risk management functions will depend, in part, on

Proxy Statement dated November 23, 2022

its individual priorities, resources and controls. It is not possible to identify all of the risks that may affect a Fund or to develop processes and controls to eliminate or mitigate their occurrence or effects. Moreover, it is necessary to bear certain risks (such as investment-related risks) to achieve a Fund’s goals.

The Board, with the assistance of management and with input from the Board’s various committees, reviews investment policies and risks in connection with its review of Fund performance. The Board has appointed a Fund CCO who oversees the implementation and testing of each Fund’s compliance program and reports to the Board regarding compliance matters for the Funds and their principal service providers. In addition, as part of the Board’s periodic review of the advisory, subadvisory (if applicable), distribution and other service provider agreements, the Board may consider risk management aspects of their operations and the functions for which they are responsible. With respect to valuation, the Board approves and periodically reviews valuation policies and procedures applicable to valuing each Fund’s shares. The administrator and the adviser are responsible for the implementation and day-to-day administration of these valuation policies and procedures and provide reports to the Audit Committee of the Board and the Board regarding these and related matters. In addition, the Audit Committee of the Board or the Board receives reports periodically from the independent public accounting firm for each Fund regarding tests performed by such firm on the valuation of all securities, as well as with respect to other risks associated with registered investment companies. Reports received from service providers, legal counsel and the independent public accounting firm assist the Board in performing its oversight function.

Each Fund’s By-Laws set forth specific qualifications to serve as a Trustee. The Charter of the Governance Committee also sets forth certain factors that the Committee may take into account in considering noninterested Trustee candidates. In general, no one factor is decisive in the selection of an individual to join the Board. Among the factors the Board considers when concluding that an individual should serve on the Board are the following: (i) knowledge in matters relating to the mutual fund industry; (ii) experience as a director or senior officer of public companies; (iii) educational background; (iv) reputation for high ethical standards and professional integrity; (v) specific financial, technical or other expertise, and the extent to which such expertise would complement the Board members’ existing mix of skills, core competencies and qualifications; (vi) perceived ability to contribute to the ongoing functions of the Board, including the ability and commitment to attend meetings regularly and work collaboratively with other members of the Board; (vii) the ability to qualify as a noninterested Trustee for purposes of the 1940 Act and any other actual or potential conflicts of interest involving the individual and each Fund; and (viii) such other factors as the Board determines to be relevant in light of the existing composition of the Board.

Among the attributes or skills common to all Board members are their ability to review critically, evaluate, question and discuss information provided to them, to interact effectively with the other members of the Board, management, sub-advisers, other service providers, counsel and independent registered public accounting firms, and to exercise effective and independent business judgment in the performance of their duties as members of the Board. Each Board member’s ability to perform his or her duties effectively has been attained through the Board member’s business, consulting, public service and/or academic positions and through experience from service as a member of the Boards of the Eaton Vance family of funds (“Eaton Vance Fund Boards”) (and/or in other capacities, including for any predecessor funds), public companies, or non-profit entities or other organizations as set forth below. Each Board member’s ability to perform his or her duties effectively also has been enhanced by his or her educational background, professional training, and/or other life experiences.

In respect of each current member of the Board, the individual’s substantial professional accomplishments and experience, including in fields related to the operations of registered investment companies, were a significant factor in the determination that the individual should serve as a member of the Board. The following is a summary of each Board member’s particular professional experience and additional considerations that contributed to the Board’s conclusion that he or she should serve as a member of the Board:

Thomas E. Faust Jr. Mr. Faust has served as a member of the Eaton Vance Fund Boards since 2007. Effective March 1, 2021, he is Chairman of MSIM. He is also a member of the Board of Managers and President of EV, and Chief Executive Officer and President of Eaton Vance and BMR. Mr. Faust previously served as Chairman and Chief Executive Officer of EVC from 2007 through March 1, 2021 and as President of EVC from 2006 through March 1, 2021. Mr. Faust also previously served as a Director of EVD from 2007 through February 15, 2022. Mr. Faust served as a Director of Hexavest Inc. from 2012-2021. From 2016 through 2019, Mr. Faust served as a Director of SigFig Wealth Management LLC. Mr. Faust previously served as an equity analyst, portfolio manager, Director of Equity Research and Management and Chief Investment Officer of Eaton Vance from 1985-2007. He holds B.S. degrees in Mechanical Engineering and Economics from the Massachusetts Institute of Technology and an MBA from Harvard Business School. Mr. Faust has been a Chartered Financial Analyst since 1988. He is a trustee and member of the executive committee of the Boston Symphony Orchestra, Inc. and trustee emeritus of Wellesley College.

Mark R. Fetting. Mr. Fetting has served as a member of the Eaton Vance Fund Boards since 2016 and is the Chairperson of the Contract Review Committee. He has over 30 years of experience in the investment management industry as an executive and in various leadership roles. From 2000 through 2012, Mr. Fetting

Proxy Statement dated November 23, 2022

served in several capacities at Legg Mason, Inc., including most recently serving as President, Chief Executive Officer, Director and Chairman from 2008 to his retirement in 2012. He also served as a Director/Trustee and Chairman of the Legg Mason family of funds from 2008-2012 and Director/Trustee of the Royce family of funds from 2001-2012. From 2001 through 2008, Mr. Fetting also served as President of the Legg Mason family of funds. From 1991 through 2000, Mr. Fetting served as Division President and Senior Officer of Prudential Financial Group, Inc. and related companies. Early in his professional career, Mr. Fetting was a Vice President at T. Rowe Price and served in leadership roles within the firm’s mutual fund division from 1981-1987.

Cynthia E. Frost. Ms. Frost has served as a member of the Eaton Vance Fund Boards since 2014 and is the Chairperson of the Portfolio Management Committee. From 2000 through 2012, Ms. Frost was the Chief Investment Officer of Brown University, where she oversaw the evaluation, selection and monitoring of the third party investment managers who managed the university’s endowment. From 1995 through 2000, Ms. Frost was a Portfolio Strategist for Duke Management Company, which oversaw Duke University’s endowment. Ms. Frost also served in various investment and consulting roles at Cambridge Associates from 1989-1995, Bain and Company from 1987-1989 and BA Investment Management Company from 1983-1985. She serves as a member of the investment committee of the MCNC Endowment.

George J. Gorman. Mr. Gorman has served as a member of the Eaton Vance Fund Boards since 2014 and is the Independent Chairperson of the Board. From 1974 through 2009, Mr. Gorman served in various capacities at Ernst & Young LLP, including as a Senior Partner in the Asset Management Group (from 1988) specializing in managing engagement teams responsible for auditing mutual funds registered with the SEC, hedge funds and private equity funds. Mr. Gorman also has experience serving as an independent trustee of other mutual fund complexes, including the Bank of America Money Market Funds Series Trust from 2011-2014 and the Ashmore Funds from 2010-2014.

Valerie A. Mosley. Ms. Mosley has served as a member of the Eaton Vance Fund Boards since 2014 and is the Chairperson of the Governance Committee. In 2020 she founded Upward Wealth, Inc., doing business as BrightUp, a fintech platform focused on helping everyday workers grow their net worth and reinforce their self-worth. From 1992 through 2012, Ms. Mosley served in several capacities at Wellington Management Company, LLP, an investment management firm, including as a Partner, Senior Vice President, Portfolio Manager and Investment Strategist. Ms. Mosley also served as Chief Investment Officer at PG Corbin Asset Management from 1990-1992 and worked in institutional corporate bond sales at Kidder Peabody from 1986-1990. She is a Director of Envestnet, Inc., a provider of intelligent systems for wealth management and financial wellness and, DraftKings, Inc., a digital sports entertainment and gaming company. In addition, she is also a board member of Caribou Financial, Inc., an auto loan refinancing company. Ms. Mosley previously served as a Director of Dynex Capital, Inc., a mortgage REIT from 2013-2020, a Director of Progress Investment Management Company, a manager of emerging managers, until 2020 and as a Director of Groupon, Inc., an e-commerce platform from 2020-2022. She serves as a trustee or board member of several major non-profit organizations and endowments.

Keith Quinton. Mr. Quinton has served as a member of the Eaton Vance Fund Boards since October 1, 2018. He had over thirty years of experience in the investment industry before retiring from Fidelity Investments in 2014. Prior to joining Fidelity, Mr. Quinton was a vice president and quantitative analyst at MFS Investment Management from 2000-2001. From 1997 through 2000, he was a senior quantitative analyst at Santander Global Advisors and, from 1995 through 1997, Mr. Quinton was senior vice president in the quantitative equity research department at Putnam Investments. Prior to joining Putnam Investments, Mr. Quinton served in various investment roles at Eberstadt Fleming, Falconwood Securities Corporation and Drexel Burnham Lambert, where he began his career in the investment industry as a senior quantitative analyst in 1983. Mr. Quinton served as an Independent Investment Committee Member of the New Hampshire Retirement System, a five member committee that manages investments based on the investment policy and asset allocation approved by the board of trustees (2017-2021), and as a Director, (2016-2021) and Chairman, (2019-2021) of the New Hampshire Municipal Bond Bank.

Marcus L. Smith. Mr. Smith has served as a member of the Eaton Vance Fund Boards since October 1, 2018 and is the Chairperson of the Ad Hoc Committee for Closed-End Fund Matters. Mr. Smith has been a Director of First Industrial Realty Trust, Inc., a fully integrated owner, operator and developer of industrial real estate, since 2021, where he serves on the Investment and Nominating/Corporate Governance Committees. Since 2017, Mr. Smith has been a Director of MSCI Inc., a leading provider of investment decision support tools worldwide, where he serves on the Compensation and Talent Management Committee and Strategy & Finance Committee. From 2017 through 2018, he served as a Director of DCT Industrial Trust Inc., a leading logistics real estate company, where he served as a member of the Nominating and Corporate Governance and Audit Committees. From 1994 through 2017, Mr. Smith served in several capacities at MFS Investment Management, an investment management firm, where he managed the MFS Institutional International Fund for 17 years and the MFS Concentrated International Fund for 10 years. In addition to his portfolio management duties, Mr. Smith served as Chief Investment Officer, Canada from 2012-2017, Chief Investment Officer, Asia from 2010-2012, and Director of Asian Research from 2005-2010. Prior to joining MFS, Mr. Smith was a senior consultant at Andersen Consulting

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(now known as Accenture) from 1988-1992. Mr. Smith served as a United States Army Reserve Officer from 1987-1992. He was also a trustee of the University of Mount Union from 2008-2020 and served on the Boston advisory board of the Posse Foundation from 2015-2021. Mr. Smith currently sits on the Harvard Medical School Advisory Council on Education, the Board of Directors for Facing History and Ourselves and is a Trustee of the Core Knowledge Foundation.

Susan J. Sutherland. Ms. Sutherland has served as a member of the Eaton Vance Fund Boards since 2015 and is the Chairperson of the Compliance Reports and Regulatory Matters Committee. She is also a Director of Ascot Group Limited and certain of its subsidiaries. Ascot Group Limited, through its related businesses including Syndicate 1414 at Lloyd’s of London, is a leading global underwriter of specialty property and casualty insurance and reinsurance. In addition, Ms. Sutherland is a Director of Kairos Acquisition Corp., which is concentrating on acquisition and business combination efforts within the insurance and insurance technology (also known as “InsurTech”) sectors. Ms. Sutherland was a Director of Montpelier Re Holdings Ltd., a global provider of customized reinsurance and insurance products, from 2013 until its sale in 2015 and of Hagerty Holding Corp., a leading provider of specialized automobile and marine insurance from 2015-2018. From 1982 through 2013, Ms. Sutherland was an associate, counsel and then a partner in the Financial Institutions Group of Skadden, Arps, Slate, Meagher & Flom LLP, where she primarily represented U.S. and international insurance and reinsurance companies, investment banks and private equity firms in insurance-related corporate transactions. In addition, Ms. Sutherland has also served as a board member of prominent non-profit organizations.

Scott E. Wennerholm. Mr. Wennerholm has served as a member of the Eaton Vance Fund Boards since 2016 and is the Chairperson of the Audit Committee. He has over 30 years of experience in the financial services industry in various leadership and executive roles. Mr. Wennerholm served as Chief Operating Officer and Executive Vice President at BNY Mellon Asset Management from 2005-2011. He also served as Chief Operating Officer and Chief Financial Officer at Natixis Global Asset Management from 1997-2004 and was a Vice President at Fidelity Investments Institutional Services from 1994-1997. In addition, Mr. Wennerholm served as a Trustee at Wheelock College, a postsecondary institution from 2012-2018.

Nancy A. Wiser. Ms. Wiser has served as a member of the Eaton Vance Fund Boards since April 4, 2022. Ms. Wiser has over 30 years of experience in the investment management and financial services industry. From 2011-2021, Ms. Wiser served as an Executive Vice President and the Global Head of Operations at Wells Fargo Asset Management, where she oversaw operations and governance matters. In the role of governance, Ms. Wiser served as chairman of the board for the Wells Fargo Asset Management United Kingdom and Luxembourg legal entities as well as the Luxembourg funds. Additionally, Ms. Wiser served as the Treasurer for the Wells Fargo Funds from 2012-2021. Prior to joining Wells Fargo Asset Management, Ms. Wiser served as Chief Operating Officer and Chief Compliance Officer for two registered asset management companies where she oversaw all non-investment activities. She currently serves on the University of Minnesota philanthropic board for the Masonic Cancer Center (since 2021) and previously served on several other non-profit boards including her alma mater Providence College Business Advisory board, Boston Scores and the National Black MBA Advisory board.

During the fiscal year ended March 31, 2022, the Trustees of each Fund met eleven times. Each Board of Trustees has several standing Committees, including the Audit Committee, the Contract Review Committee, the Governance Committee, the Portfolio Management Committee, the Compliance Reports and Regulatory Matters Committee and the Ad Hoc Committee for Closed-End Fund Matters. The Audit Committee met eleven times, the Contract Review Committee met four times, the Governance Committee met eight times, the Portfolio Management Committee met seven times, the Compliance Reports and Regulatory Matters Committee met eight times and the Ad Hoc Committee for Closed-End Fund Matters met five times during such period. Each Trustee attended at least 75% of such Board and Committee meetings on which he or she serves. None of the Trustees attended the Funds’ 2022 Annual Meeting of Shareholders.

Each Committee of the Board of Trustees of each Fund is comprised of only noninterested Trustees. The respective duties and responsibilities of these Committees remain under the continuing review of the Governance Committee and the Board.

Messrs. Wennerholm (Chairperson), Gorman and Quinton and Ms. Wiser are members of the Audit Committee. The Board has designated Messrs. Gorman and Wennerholm, each a noninterested Trustee, as “audit committee financial experts” as that term is defined in the applicable SEC rules. Each Audit Committee member is independent under applicable listing standards of the NYSE American LLC or New York Stock Exchange (as applicable). The purposes of the Audit Committee are to (i) oversee each Fund’s accounting and financial reporting processes, its internal control over financial reporting, and, as appropriate, the internal control over financial reporting of certain service providers; (ii) oversee or, as appropriate, assist Board oversight of the quality and integrity of each Fund’s financial statements and the independent audit thereof; (iii) oversee, or, as appropriate, assist Board oversight of, each Fund’s compliance with legal and regulatory requirements that relate to the Fund’s accounting and financial reporting, internal control over financial reporting and independent audits;

Proxy Statement dated November 23, 2022

(iv) approve, prior to appointment, the engagement and, when appropriate, replacement of the independent auditors, and, if applicable, nominate independent auditors to be proposed for shareholder ratification in any proxy statement of each Fund; (v) evaluate the qualifications, independence and performance of the independent registered public accounting firm and the audit partner in charge of leading the audit; and (vi) prepare, as necessary, audit committee reports consistent with the requirements of applicable SEC and stock exchange rules for inclusion in the proxy statement for the Annual Meeting of Shareholders of the Fund. Each Fund’s Board of Trustees has adopted a written charter for its Audit Committee, a copy of which is attached as Exhibit A. The Audit Committee’s Report is set forth below under “Additional Information.”

Messrs. Fetting (Chairperson), Gorman, Quinton, Smith and Wennerholm and Mses. Frost, Mosley, Sutherland and Wiser are members of the Contract Review Committee. The purposes of the Contract Review Committee are to consider, evaluate and make recommendations to the Board concerning the following matters: (i) contractual arrangements with each service provider to each Fund, including advisory, sub-advisory, transfer agency, custodial and fund accounting, distribution services (if any) and administrative services; (ii) any and all other matters in which any of each Fund’s service providers (including Eaton Vance or any affiliated entity thereof) has an actual or potential conflict of interest with the interests of the Fund or its shareholders; and (iii) any other matter appropriate for review by the noninterested Trustees, unless the matter is within the responsibilities of other Committees of the Board.

Mses. Frost (Chairperson) and Mosley and Messrs. Smith and Wennerholm are members of the Portfolio Management Committee. The purposes of the Portfolio Management Committee are to: (i) assist the Board in its oversight of the portfolio management process employed by each Fund and their investment adviser and sub-adviser(s), if applicable, relative to the Funds’ stated objective(s), strategies and restrictions; (ii) assist the Board in its oversight of the trading policies and procedures and risk management techniques applicable to the Funds; and (iii) assist the Board in its monitoring of the performance results of all funds, giving special attention to the performance of certain funds that it or the Board of Trustees identifies from time to time.

Mses. Sutherland (Chairperson) and Wiser and Messrs. Fetting and Quinton are members of the Compliance Reports and Regulatory Matters Committee. The purposes of the Compliance Reports and Regulatory Matters Committee are to: (i) assist the Board in its oversight role with respect to compliance issues and certain other regulatory matters affecting the Funds; (ii) serve as a liaison between the Board of Trustees and the Funds’ CCO; and (iii) serve as a “qualified legal compliance committee” within the rules promulgated by the SEC.

Messrs. Smith (Chairperson), Fetting and Quinton and Ms. Sutherland are members of the Ad Hoc Committee for Closed-End Fund Matters. The purpose of the Ad Hoc Committee for Closed-End Fund Matters is to consider, evaluate and make recommendations to the Board with respect to issues specifically related to Eaton Vance Closed-End Funds.

Mses. Mosley (Chairperson), Frost, Sutherland and Wiser and Messrs. Fetting, Gorman, Quinton, Smith and Wennerholm are members of the Governance Committee. Each Governance Committee member is independent under applicable listing standards of the NYSE American LLC or New York Stock Exchange (as applicable). The purpose of the Governance Committee is to consider, evaluate and make recommendations to the Board with respect to the structure, membership and operation of the Board and the Committees thereof, including the nomination and selection of noninterested Trustees and a Chairperson of the Board and the compensation of such persons.

Each Fund’s Board has adopted a written charter for its Governance Committee, a copy of which is available on the Eaton Vance website, https://funds.eatonvance.com/closed-end-fund-and-term-trust-documents.php. The Governance Committee identifies candidates by obtaining referrals from such sources as it deems appropriate, which may include current Trustees, management of the Fund, counsel and other advisors to the Trustees, and shareholders of the Funds who submit recommendations in accordance with the procedures described in the Committee’s charter. In no event shall the Governance Committee consider as a candidate to fill any vacancy an individual recommended by management of the Funds, unless the Governance Committee has invited management to make such a recommendation. The Governance Committee will, when a vacancy exists, consider a nominee for Trustee recommended by a shareholder, provided that such recommendation is submitted in writing to the Fund’s Secretary at the principal executive office of the Fund. Such recommendations must be accompanied by biographical and occupational data on the candidate (including whether the candidate would be an “interested person” of the Fund), a written consent by the candidate to be named as a nominee and to serve as Trustee if elected, record and ownership information for the recommending shareholder with respect to the Fund, and a description of any arrangements or understandings regarding recommendation of the candidate for consideration. The Governance Committee’s procedures for evaluating candidates for the position of noninterested Trustee are set forth in an appendix to the Committee’s charter.

Proxy Statement dated November 23, 2022

The Governance Committee does not have a formal policy to consider diversity when identifying candidates for the position of noninterested Trustee. Rather, as a matter of practice, the Committee considers the overall diversity of the Board’s composition when identifying candidates. Specifically, the Committee considers how a particular candidate could be expected to contribute to overall diversity in the backgrounds, skills and experiences of the Board’s members and thereby enhance the effectiveness of the Board. In addition, as part of its annual self-evaluation, the Board has an opportunity to consider the diversity of its members, including specifically whether the Board’s members have the right mix of characteristics, experiences and skills. The results of the self-evaluation are considered by the Governance Committee in its decision-making process with respect to candidates for the position of noninterested Trustee.

Communications with the Board of Trustees

Shareholders wishing to communicate with the Board may do so by sending a written communication to the Chairperson of the Board of Trustees, the Chairperson of any Committee of the Board of Trustees or to the noninterested Trustees as a group, at the following address: Two International Place, Boston, Massachusetts 02110, c/o the Secretary of the applicable Fund.

Remuneration of Trustees

Each noninterested Trustee is compensated for his or her services according to a fee schedule adopted by each Board of Trustees, and receives a fee that consists of an annual retainer and a committee service component. Each Fund pays each noninterested Trustee a pro rata share, as described below, of: (i) an annual retainer of $295,000⁽¹⁾; (ii) an additional annual retainer of $150,000 for serving as the Chairperson of the noninterested Trustees; (iii) an additional annual retainer of $77,500 for Committee Service; (iv) an additional annual retainer of $15,000 for serving on four or more Committees, not including the Ad Hoc Committee; (v) an additional annual retainer of $35,000 for serving as the Governance Committee Chairperson, the Audit Committee Chairperson, the Compliance Committee Chairperson, the Contract Review Committee Chairperson or the Portfolio Management Committee Chairperson (to be split evenly in the event of Co-Chairpersons); (vi) the Chairperson of an Ad Hoc Committee will receive $5,000 for any six-month period the Ad Hoc Committee is in existence and meets, with the six-month periods being October 1 through March 31 and April 1 through September 30; and (vii) out-of-pocket expenses. The pro rata share paid by each Fund is based on the Fund’s average net assets as a percentage of the average net assets of all the funds in the Eaton Vance family of funds. During the fiscal year ended March 31, 2022, the Trustees of each Fund earned the following compensation in their capacities as Trustees of each Fund. For the calendar year ended December 31, 2021, the Trustees earned the following compensation in their capacities as members of the Eaton Vance Fund Boards⁽²⁾:

	Mark R. Fetting	Cynthia E. Frost	George J. Gorman	Valerie A. Mosley	Keith Quinton	Marcus L. Smith	Susan J. Sutherland	Scott E. Wennerholm	Nancy A. Wiser
Limited Duration Income Fund	$10,585	$10,759⁽³⁾	$13,327	$10,759⁽⁴⁾	$9,919	$9,867	$10,759⁽⁵⁾	$11,171	$9,867
National Municipal Opportunities Trust	$1,760	$1,788⁽³⁾	$2,217	$1,788⁽⁴⁾	$1,649	$1,640	$1,788⁽⁵⁾	$1,857	$1,640
Total Compensation from Fund and Fund Complex⁽²⁾	$364,625	$383,375⁽⁶⁾	$427,125	$383,375	$348,179	$350,875	$388,375⁽⁷⁾	$398,375	$350,875

⁽¹⁾

As of November 1, 2022, the Eaton Vance fund complex consists of 135 registered investment companies or series thereof.

⁽²⁾

The compensation schedule disclosed above reflects the current compensation, which may not have been in place for each Fund’s full fiscal year ended March 31, 2022 or the full calendar year ended December 31, 2021. Amounts do not include expenses reimbursed to Trustees for attending Board meetings, which in the aggregate amounted to $1,482 for the calendar year ended December 31, 2021. Ms. Wiser began serving as a Trustee effective April 4, 2022, and thus the compensation figures listed for each Fund and for the Fund and Fund Complex are estimated based on amounts she would have received if she had been a Trustee for the fiscal year ended March 31, 2022 and for the calendar year ended December 31, 2021. William H. Park and Helen Frame Peters each retired as Trustees effective July 1, 2022. For the fiscal year ended March 31, 2022, Mr. Park received Trustees fees of $11,148 from Limited Duration Income Fund and $1,849 from National Municipal Opportunities Trust. For the calendar year ended December 31, 2021, he received $457,125 from the Fund and Fund Complex. Ms. Peters received Trustees fees of $10,209 from Limited Duration Income Fund and $1,697 from National Municipal Opportunities Trust. For the calendar year ended December 31, 2021, she received $363,375 from the Fund and Fund Complex.

⁽³⁾

Includes deferred compensation as follows: Limited Duration Income Fund - $3,512; and National Municipal Opportunities Trust - $571.

⁽⁴⁾

Includes deferred compensation as follows: Limited Duration Income Fund - $410; and National Municipal Opportunities Trust - $70.

⁽⁵⁾

Includes deferred compensation as follows: Limited Duration Income Fund - $7,400; and National Municipal Opportunities Trust - $1,218.

⁽⁶⁾

Includes $250,000 of deferred compensation.

⁽⁷⁾

Includes $384,337 of deferred compensation.

Trustees of each Fund who are not affiliated with Eaton Vance may elect to defer receipt of all or a percentage of their annual fees in accordance with the terms of a Trustees Deferred Compensation Plan (the “Deferred Compensation Plan”). Under the Deferred Compensation Plan, an eligible Trustee may elect to have his or her deferred fees invested in the shares of one or more funds in the Eaton Vance family of funds, and the amount

Proxy Statement dated November 23, 2022

paid to the Trustees under the Deferred Compensation Plan will be determined based upon the performance of such investments. Deferral of Trustees’ fees in accordance with the Deferred Compensation Plan will have a negligible effect on the assets, liabilities, and net income of a participating Fund, and will not obligate a Fund to retain the services of any Trustee or obligate a Fund to pay any particular level of compensation to the Trustee. No Fund has a retirement plan for its Trustees.

The Board recommends that shareholders vote FOR the election of the Trustee nominees of each Fund.

NOTICE TO BANKS AND BROKER/DEALERS

Each Fund has previously solicited all Nominee and Broker/Dealer accounts as to the number of additional proxy statements required to supply owners of shares. Should additional proxy material be required for beneficial owners, please call 1-866-864-4942, send an email to corporateservices@astfundsolutions.com or forward such requests to AST Fund Solutions, LLC, 55 Challenger Road, Suite 201, Ridgefield Park, NJ 07660.

ADDITIONAL INFORMATION

Audit Committee Report

Each Audit Committee reviews and discusses the audited financial statements with Fund management. Each Audit Committee also discusses with the independent registered public accounting firm the matters required to be discussed by SAS 61 (Communication with Audit Committees), as modified or supplemented. Each Audit Committee receives the written disclosures and the letter from the independent registered public accounting firm required by Independence Standards Board Standard No. 1 (Independence Discussions with Audit Committees), as modified or supplemented, and discusses with the independent registered public accounting firm their independence.

Based on the review and discussions referred to above, each Audit Committee recommended to the Board of Trustees that the audited financial statements be included in the Fund’s annual report to shareholders for filing with the SEC. As mentioned, the Audit Committee is currently comprised of Messrs. Wennerholm (Chairperson), Gorman and Quinton and Ms. Wiser.

Auditors, Audit Fees and All Other Fees

Deloitte & Touche LLP (“Deloitte”), 200 Berkeley Street, Boston, Massachusetts 02116, serves as the independent registered public accounting firm of each Fund. Representatives of Deloitte are not expected to be present at the Annual Meeting, but have been given the opportunity to make a statement if they desire to do so and will be available should any matter arise requiring their presence.

Aggregate audit, audit-related, tax, and other fees billed to each Fund by the Fund’s independent registered public accounting firm for the relevant periods are set forth on Exhibit B hereto. Aggregate non-audit fees (i.e., fees for audit-related, tax, and other services) billed for the relevant periods to (i) each Fund by the Fund’s independent registered public accounting firm; and (ii) the Eaton Vance organization by the Fund’s independent registered public accounting firm are also set forth on Exhibit B hereto.

Each Fund’s Audit Committee has adopted policies and procedures relating to the pre-approval of services provided by the Fund’s independent registered public accounting firm (the “Pre-Approval Policies”). The Pre-Approval Policies establish a framework intended to assist the Audit Committee in the proper discharge of its pre-approval responsibilities. As a general matter, the Pre-Approval Policies (i) specify certain types of audit, audit-related, tax, and other services determined to be pre-approved by the Audit Committee; and (ii) delineate specific procedures governing the mechanics of the pre-approval process, including the approval and monitoring of audit and non-audit service fees. Unless a service is specifically pre-approved under the Pre-Approval Policies, it must be separately pre-approved by the Audit Committee. The Pre-Approval Policies and the types of audit and non-audit services pre-approved therein must be reviewed and ratified by each Fund’s Audit Committee at least annually. Each Fund’s Audit Committee maintains full responsibility for the appointment, compensation, and oversight of the work of the Fund’s independent registered public accounting firm.

Each Fund’s Audit Committee has considered whether the provision by the Fund’s independent registered public accounting firm of non-audit services to the Fund’s investment adviser, as well as any of its affiliates that provide ongoing services to the Fund, that were not pre-approved pursuant to Rule 2-01(c)(7)(ii) of Regulation S-X is compatible with maintaining the independent registered public accounting firm’s independence.

Proxy Statement dated November 23, 2022

Officers of the Funds

The officers of the Funds and their length of service are set forth below. The officers of the Funds hold indefinite terms of office. Because of their positions with Eaton Vance and their ownership of Morgan Stanley stock, the officers of the Funds will benefit from any advisory and/or administration fees paid by each Fund to Eaton Vance. Each officer affiliated with Eaton Vance may hold a position with other Eaton Vance affiliates that is comparable to his or her position with Eaton Vance listed below. Information in the table below about an officer's position with a Fund and the period as an officer are for each Fund unless otherwise noted.

Name and Year of Birth⁽¹⁾	Fund Position(s)	Officer Since⁽²⁾	Principal Occupation(s) During Past Five Years⁽³⁾
ERIC A. STEIN 1980	President	2020	Vice President and Chief Investment Officer, Fixed Income of Eaton Vance and BMR. Prior to November 1, 2020, Mr. Stein was a co-Director of Eaton Vance’s Global Income Investments. Officer of 113 registered investment companies managed by Eaton Vance or BMR. Also Vice President of Calvert Research and Management (“CRM”) since 2020.
DEIDRE E. WALSH 1971	Vice President and Chief Legal Officer	2021	Vice President of Eaton Vance and BMR. Officer of 135 registered investment companies managed by Eaton Vance or BMR. Also Vice President of CRM and officer of 42 registered investment companies advised or administered by CRM since 2021.
JAMES F. KIRCHNER 1967	Treasurer	2007	Vice President of Eaton Vance and BMR. Officer of 135 registered investment companies managed by Eaton Vance or BMR. Also Vice President of CRM and officer of 42 registered investment companies advised or administered by CRM since 2016.
JILL R. DAMON 1984	Secretary	2022	Vice President of Eaton Vance and BMR since 2017. Officer of 135 registered investment companies managed by Eaton Vance or BMR. Formerly, associate at Dechert LLP (2009-2017).
RICHARD F. FROIO 1968	Chief Compliance Officer	2017	Vice President of Eaton Vance and BMR since 2017. Officer of 135 registered investment companies managed by Eaton Vance or BMR. Formerly, Deputy Chief Compliance Officer (Adviser/Funds) and Chief Compliance Officer (Distribution) at PIMCO (2012-2017) and Managing Director at BlackRock/Barclays Global Investors (2009-2012).

⁽¹⁾

The business address of each officer is Two International Place, Boston, Massachusetts 02110.

⁽²⁾

Year first elected to serve as officer of a fund in the Eaton Vance family of funds when the officer has served continuously. Otherwise, year of most recent election as an officer of a fund in the Eaton Vance family of funds. Titles may have changed since initial election.

⁽³⁾

Includes both funds and portfolios in a hub and spoke structure.

Investment Adviser and Administrator

Eaton Vance Management, with its principal office at Two International Place, Boston, Massachusetts 02110, serves as the investment adviser and administrator to each Fund. Prior to March 1, 2021, EVM was a wholly owned subsidiary of EVC. On March 1, 2021, Morgan Stanley acquired EVC and EVM became an indirect, wholly owned subsidiary of Morgan Stanley.

Proxy Solicitation, Tabulation and Voting Requirements

The expense of preparing, printing and mailing this Proxy Statement and enclosures and the costs of soliciting proxies on behalf of the Board of each Fund will be borne ratably by the Funds. Proxies will be solicited by mail and may be solicited in person or by telephone or facsimile by officers of a Fund, by personnel of its administrator, Eaton Vance, by the transfer agent, AST Fund Solutions, LLC, by broker-dealer firms, or by a professional solicitation organization. The expenses associated with the solicitation of these proxies and with any further proxies will be borne by the applicable Fund. A written proxy may be delivered to a Fund or its transfer agent prior to the Annual Meeting by facsimile machine, graphic communication equipment or similar electronic transmission. A Fund will reimburse banks, broker-dealer firms, and other persons holding shares registered in their names or in the names of their nominees, for their expenses incurred in sending proxy material to and obtaining proxies from the beneficial owners of such shares. Total estimated proxy solicitation costs are approximately $67,700 and will be paid by the Funds pro rata based on the number of shareholder accounts.

All proxy cards solicited by the Board that are properly executed and received by the Secretary prior to the Annual Meeting, and which are not revoked, will be voted at the Annual Meeting. Shares represented by such proxies will be voted in accordance with the instructions thereon. If no specification is made on the proxy card with respect to Proposal 1, it will be voted FOR the matters specified on the proxy card. All shares that are voted and votes to ABSTAIN will be counted towards establishing a quorum, as will broker non-votes. (Broker non-votes are shares for which (i) the beneficial owner has not voted and (ii) the broker holding the shares does not have discretionary authority to vote on the particular matter.) Accordingly, abstentions and broker non-votes, which will be treated as shares that are present at the Annual Meeting but which have not been voted, will assist a Fund in obtaining a quorum but will have no effect on the outcome of Proposal 1.

Proxy Statement dated November 23, 2022

A quorum requires the presence, in person or by proxy, of a majority of the outstanding shares of a Fund entitled to vote. In the event that a quorum is not present at the Annual Meeting, or if a quorum is present at the Annual Meeting but sufficient votes by the shareholders of a Fund FOR the Proposal set forth in the Notice of this Annual Meeting are not received by January 12, 2023, the persons named as proxies may propose one or more adjournments of the Annual Meeting to permit further solicitation of proxies. Any such adjournment will require the affirmative vote of the holders of a majority of the shares of that Fund present in person or by proxy at the session of the Annual Meeting to be adjourned. The persons named as proxies will vote FOR such adjournment those proxies which they are entitled to vote FOR any Trustee nominee. They will vote against any such adjournment those proxies that voted “WITHHOLD AUTHORITY FOR ALL NOMINEES” (sometimes referred to as abstentions). The costs of any such additional solicitation and of any adjourned session will be borne by the Funds.

Each Fund’s By-Laws include provisions (the “Control Share Provisions”) pursuant to which, in summary, a shareholder who obtains beneficial ownership of Fund shares in a “Control Share Acquisition” may exercise voting rights with respect to such shares only to the extent the authorization of such voting rights is approved by other shareholders of the Fund. Subject to various conditions and exceptions, the By-Laws define a “Control Share Acquisition” to include an acquisition of Fund shares that, but for the Control Share Provisions, would give the beneficial owner, upon the acquisition of such shares, the ability to exercise voting power in the election of Fund Trustees in any 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. Share acquisitions prior to August 13, 2020 are excluded from the definition of Control Share Acquisition, though such shares are included in assessing whether any subsequent share acquisition exceeds one of the enumerated thresholds. Additionally, Control Share Acquisitions are defined as including certain shares acquired during look-back and look-forward periods as provided in the By-Laws. Subject to various conditions and procedural requirements set forth in the By-Laws, including the delivery of a “Control Share Acquisition Statement” to a Fund’s secretary setting forth certain required information, a shareholder who obtains beneficial ownership of shares in a Control Share Acquisition generally may request a vote of Fund shareholders (excluding such acquiring shareholder and certain other interested shareholders) to approve the authorization of voting rights for such shares at the next annual meeting of Fund shareholders following the Control Share Acquisition.

Pursuant to each Fund’s By-Laws, with respect to any election of Trustees other than a contested election, a nominee must receive the affirmative vote of a plurality of votes cast at any meeting at which a quorum is present to be elected. A plurality means that the Trustee nominee receiving the greatest number of votes will be elected. With respect to a contested election, a nominee must receive the affirmative vote of a majority of a Fund’s shares outstanding and entitled to vote with respect to such nominee in order to be elected. The By-Laws define a “contested election” as any election of Trustees in which the number of persons validly nominated for election as Trustees with respect to a given class or classes of Fund shares exceeds the number of Trustees to be elected with respect to such class or classes. See Proposal 1 for the vote required to elect Trustees at the meeting.

As part of our effort to maintain a safe and healthy environment at our Annual Meeting, we are pleased to offer our shareholders a hybrid meeting format. Subject to certain requirements discussed herein, shareholders may attend the Annual Meeting in person or telephonically.

If, as of November 1, 2022, you held Fund shares through an intermediary (such as a broker-dealer) and wish to participate in and vote at the Annual Meeting, you will need to obtain a legal proxy from your intermediary reflecting the Fund name, the number of Fund shares you held and your name and email address. If you would like to be provided with the conference call dial-in information and instructions for voting during the Annual Meeting, you may forward an email from your intermediary containing the legal proxy or attach an image of the legal proxy to an email and send it to AST at attendameeting@astfinancial.com with “Legal Proxy” in the subject line. You will then be provided with the conference call dial-in information and instructions for voting during the Meeting. All requests to participate in the Annual Meeting telephonically must be received by AST no later than 3:00 p.m. Eastern Time on January 11, 2023.

Proxy Statement dated November 23, 2022

The Funds and the Board are closely monitoring developments with respect to COVID-19 and the advice and guidance of public health officials. For that reason, the Board reserves the right to reconsider the date, time and/or means of convening the Annual Meeting. Subject to any restrictions imposed by applicable law, the Board may choose to conduct the meeting solely by means of remote communications. If the Board chooses to change the date, time and/or means of convening the Annual Meeting, the Fund will announce the decision to do so in advance, and details on how to participate will be issued by press release and filed with the Securities and Exchange Commission as additional proxy material. Attendees are also encouraged to review guidance from public health authorities on this issue.

Section 16(a) Beneficial Ownership Reporting Compliance

Based solely upon a review of the copies of the forms received by the Funds, all of the Trustees and officers of each Fund, EVM and its affiliates, and any person who owns more than ten percent of a Fund’s outstanding securities have complied with the filings required under Section 16(a) of the Securities Exchange Act of 1934 regarding ownership of shares of the Funds for each Fund’s most recent fiscal year end, except that Jill Damon, the Secretary of each Fund, submitted a Form 3 filing after its due date as a result of an administrative delay with the Securities and Exchange Commission. No transactions were reported on these forms.

Each Fund will furnish without charge a copy of its most recent Annual and Semi-Annual Reports to any shareholder upon request. Shareholders desiring to obtain a copy of such reports should call 1-866-864-4942, send an email to corporateservices@astfundsolutions.com or write to the Fund c/o AST Fund Solutions, LLC, 55 Challenger Road, Suite 201, Ridgefield Park, NJ 07660. Shareholder reports are also available on the Eaton Vance website at https://funds.eatonvance.com/closed-end-fund-and-term-trust-documents.php.

SHAREHOLDER PROPOSALS

To be considered for presentation at a Fund’s 2024 Annual Meeting of Shareholders, a shareholder proposal submitted pursuant to Rule 14a-8 under the Securities Exchange Act of 1934 must be received at the Fund’s principal office c/o the Secretary of the Fund on or before July 26, 2023. Written notice of a shareholder proposal submitted outside of the processes of Rule 14a-8 must be delivered to the Fund’s principal office c/o the Secretary of the Fund no later than the close of business on October 13, 2023 and no earlier than September 14, 2023. In order to be included in the Fund’s proxy statement and form of proxy, a shareholder proposal must comply with all applicable legal requirements. Timely submission of a proposal does not guarantee that such proposal will be included.

Proxy Statement dated November 23, 2022

EXHIBIT A

EATON VANCE FUNDS

AUDIT COMMITTEE CHARTER

I. Purposes of the Committee.

The Board of Trustees or Directors (the “Board”) of each registered investment company or series thereof advised by Eaton Vance Management or its affiliate, Boston Management and Research (collectively, “Eaton Vance”) (each, a “Fund,” and collectively, the “Funds”), has established an Audit Committee of the Board of each Fund (the “Committee”) and has approved this Charter for the operation of the Committee. The purposes of the Committee are as follows:

To oversee each Fund’s accounting and financial reporting processes, its internal control over financial reporting, and, as appropriate, the internal control over financial reporting of certain service providers;

To oversee or, as appropriate, assist Board oversight of the quality and integrity of the Funds’ financial statements and the independent audit thereof;

To oversee or, as appropriate, assist Board oversight of the Funds’ compliance with legal and regulatory requirements that relate to the Funds’ accounting and financial reporting, internal control over financial reporting and independent audits;

To approve prior to appointment the engagement and, when appropriate, replacement of the independent registered public accountants (“independent auditors”), and, if applicable, nominate independent auditors to be proposed for shareholder ratification in any proxy statement of a Fund;

To evaluate or, as appropriate, assist Board evaluation of the qualifications, independence and performance of the independent auditors and the audit partner in charge of leading the audit; and

To prepare such audit committee reports, consistent with the requirements of applicable Securities and Exchange Commission (“SEC”), NYSE American LLC (“NYSE American,” formerly NYSE MKT LLC) and New York Stock Exchange rules, for inclusion in the proxy statement for the annual meeting of shareholders of a Fund.

The primary function of the Committee is oversight. The Committee is not responsible for managing the Funds or for performing tasks that are delegated to the officers of any Fund, any investment adviser to a Fund, the custodian of a Fund, and other service providers for the Funds, including the independent auditors, and nothing in this Charter shall be construed to reduce the responsibilities or liabilities of management or the Funds’ service providers. It is management’s responsibility to maintain appropriate systems for accounting and internal control over financial reporting. Specifically, management is responsible for: (1) the preparation, presentation and integrity of the financial statements of each Fund; (2) the maintenance of appropriate accounting and financial reporting principles and policies; and (3) the maintenance of internal control over financial reporting and other procedures designed to assure compliance with accounting standards and related laws and regulations. The independent auditors are responsible for planning and carrying out an audit consistent with applicable legal and professional standards and the terms of their engagement letter, and shall report directly to the Committee. In performing its oversight function, the Committee shall be entitled to rely upon advice and information that it receives in its discussions and communications with management, the independent auditors and such experts, advisors and professionals as may be consulted by the Committee.

II. Composition of the Committee.

The Committee shall be comprised of at least three members appointed by the Board, which shall also determine the number and term, if any, of such members, in each case upon the recommendation of the Governance Committee of the Board. All members of the Committee shall be Trustees or Directors who are not “interested persons” (as defined in the Investment Company Act of 1940, as amended (the “1940 Act”)) of any Fund or of the investment adviser, sub-adviser or principal underwriter of any Fund (each, an “Independent Trustee,” and collectively, the “Independent Trustees”). In the event that a resignation, retirement, removal or other event or circumstance causes the number of Committee members to fall below the minimum set forth above, the Committee shall nevertheless be authorized to take any and all actions otherwise permitted under this Charter pending the appointment, within a reasonable time, of one or more Independent Trustees to fill the vacancy created thereby.

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The following requirements shall also be satisfied with respect to the membership and composition of the Committee:

each member of the Committee shall have been determined by the Board to have no material relationship that would interfere with the exercise of his or her independent judgment;

no member of the Committee shall receive any compensation from a Fund except compensation for service as a member or Chairperson of the Board or of a committee of the Board;

each member of the Committee shall also satisfy the Committee membership requirements imposed under the applicable rules of NYSE American and New York Stock Exchange (and any other national securities exchange on which a Fund’s shares are listed), as in effect from time to time, including with respect to the member’s former affiliations or employment and financial literacy;

at least one member of the Committee must have the accounting or related financial management expertise and financial sophistication required under applicable rules of the NYSE American and New York Stock Exchange; and

unless it determines that no member of the Committee qualifies as an audit committee financial expert as defined in Item 3 of Form N-CSR, the Board will identify one (or in its discretion, more than one) member of the Committee as an audit committee financial expert.

III. Meetings of the Committee.

Meetings of the Committee shall be held, upon reasonable notice, at such times (but not less frequently than annually with respect to each Fund), at such places and for such purposes (consistent with the purposes of the Committee set forth in this Charter) as determined from time to time by the Committee, the Chairperson of the Committee, the Board or the Chairperson of the Board. The Committee shall periodically meet separately with any independent auditors rendering reports to the Committee. A majority of the members of the Committee shall constitute a quorum for the transaction of business at any meeting, and the decision of a majority of the members present and voting at a meeting at which a quorum is present shall determine any matter submitted to a vote. The Committee may adopt such procedures or rules not otherwise inconsistent with the terms of this Charter as it deems appropriate to govern its conduct under this Charter, which procedures or rules, if any, shall be included as an appendix to this Charter. Notices of all meetings of the Committee shall be provided to all Independent Trustees and all Independent Trustees shall be entitled to attend such meetings. Materials provided to the members of the Committee in connection with meetings of the Committee shall be made available to each Independent Trustee.

IV. Chairperson of the Committee.

A member of the Committee shall be appointed Chairperson of the Committee by the Board, upon the recommendation of the Governance Committee, for a term of not more than four years, and such member may serve as Chairperson of the Committee for more than one term. The Chairperson of the Committee, or another member of the Committee designated by the Chairperson, shall preside at meetings of the Committee. The Chairperson of the Committee shall be authorized to determine the agenda of such meetings, the materials to be provided in connection with such meetings, the topics to be discussed, the amount of time to be devoted to such topics and the order in which the topics are to be addressed. The Chairperson of the Committee may from time to time establish one or more working groups comprised of members of the Committee to assist the Chairperson and the Committee in performing their duties and responsibilities, and shall promptly notify the Chairperson of the Board upon the establishment of any such working group. The Chairperson of the Committee shall provide oral or written reports to the Board at regular meetings of the Board regarding the activities of the Committee (and any working group thereof), including any approval by the Chairperson of the Board of expenditures by the Committee not previously reported to the Board. The Chairperson of the Committee shall be primarily responsible for interfacing with the Chairperson of the Board and with the Chairperson of each other committee of the Board with respect to matters potentially affecting the activities of the Committee. The Chairperson of the Committee shall also be primarily responsible, on behalf of the Committee, for interfacing with those individuals identified by Eaton Vance from time to time as being primarily responsible for responding to requests of the Committee. The Board may, upon the recommendation of the Governance Committee, appoint a Vice-Chairperson of the Committee with the power and authority to perform any or all of the duties and responsibilities of the Chairperson of the Committee in the absence of the Chairperson of the Committee and/or as requested by the Chairperson of the Committee. The Chairperson and Vice-Chairperson, if any, of the Committee shall receive such compensation as determined from time to time by the Board upon the recommendation of the Governance Committee.

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V. Duties and Responsibilities of the Committee.

To carry out its purposes, the Committee shall have the following duties and responsibilities:

With respect to each Fund the securities of which are listed on a national securities exchange, to meet to review and discuss with management and the independent auditors the audited financial statements and other periodic financial statements of the Fund (including the Fund’s specific disclosures under the item “Management’s Discussion of Fund Performance”); provided that discussion with the independent auditors shall not be required with respect to any periodic financial statement of the Fund that was not the subject of a review by such auditors.

To consider the results of the examination of the Fund’s financial statements by the independent auditors, the independent auditors’ opinion with respect thereto, and any management letter issued by the independent auditors.

To review and discuss with the independent auditors: (a) the scope of audits and audit reports and the policies relating to internal auditing procedures and controls and the accounting principles employed in the Fund’s financial reports and any proposed changes therein; (b) the personnel, staffing, qualifications and experience of the independent auditors; and (c) the compensation of the independent auditors.

To review and assess the performance of the independent auditors and to approve, on behalf of the Board, the appointment and compensation of the independent auditors. Approval by the Committee shall be in addition to any approval required under applicable law by a majority of the members of the Board who are not “interested persons” of the Fund as defined in Section 2(a)(19) of the 1940 Act. In performing this function, the Committee shall: (a) consider whether there should be a regular rotation of the Fund’s independent auditing firm; (b) discuss with the independent auditors matters bearing upon the qualifications of such auditors as “independent” under applicable standards of independence established from time to time by the SEC, the Public Company Accounting Oversight Board and other regulatory authorities; and (c) shall secure from the independent auditors the information required by Independence Standards Board Standard No. 1, Independence Discussions with Audit Committees, as in effect from time to time. The Committee shall actively engage in a dialogue with the independent auditors with respect to any disclosed relationships or services that may impact the objectivity and independence of the independent auditors.

To pre-approve: (a) audit and non-audit services provided by the independent auditors to the Fund; and (b) non-audit services provided by the independent auditors to the adviser or any other entity controlling, controlled by or under common control with the adviser that provides on-going services to the Fund (“Adviser Affiliates”) if the engagement of the independent auditors relates directly to the operations and financial reporting of the Fund, as contemplated by the Sarbanes-Oxley Act of 2002 (the “Sarbanes-Oxley Act”) and the rules issued by the SEC in connection therewith (except, in the case of non-audit services provided to the Fund or any Adviser Affiliate, those within applicable de minimis statutory or regulatory exceptions), and to consider the possible effect of providing such services on the independence of the independent auditors.

To adopt, to the extent deemed appropriate by the Committee, policies and procedures for pre-approval of the audit or non-audit services referred to above, including policies and procedures by which the Committee may delegate to one or more of its members authority to grant such pre-approval on behalf of the Committee (subject to subsequent reporting to the Committee). The Committee hereby delegates to each of its members the authority to pre-approve any non-audit services referred to above between meetings of the Committee, provided that: (i) all reasonable efforts shall be made to obtain such pre-approval from the Chairperson of the Committee prior to seeking such pre-approval from any other member of the Committee; and (ii) all such pre-approvals shall be reported to the Committee not later than the next meeting thereof.

To consider the controls implemented by the independent auditors and any measures taken by management to ensure that all items requiring pre-approval by the Committee are identified and referred to the Committee in a timely fashion.

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To receive at least quarterly a report from such independent auditors of: (i) all critical accounting policies and practices used by the Fund (or, in connection with any update, any changes in such accounting policies and practices), (ii) all material alternative accounting treatments within GAAP that have been discussed with management since the last annual report or update, including the ramifications of the use of the alternative treatments and the treatment preferred by the accounting firm, (iii) other material written communications between the independent auditors and the management of the Fund since the last annual report or update, (iv) a description of all non-audit services provided, including fees associated with the services, to any fund complex of which the Fund is a part since the last annual report or update that was not subject to the pre-approval requirements as discussed above; and (v) any other matters of concern relating to the Fund’s financial statements, including any uncorrected misstatements (or audit differences) whose effects management believes are immaterial, both individually and in aggregate, to the financial statements taken as a whole.

To review and discuss with the independent auditors the matters required to be communicated with respect to the Fund pursuant to applicable auditing standards, as in effect from time to time, and to receive such other communications or reports from the independent auditors (and management’s responses to such reports or communications) as may be required under applicable listing standards of the national securities exchanges on which the Fund’s shares are listed, including a report describing: (1) the internal quality-control procedures of the independent auditors, any material issues raised by the most recent internal quality-control review, or peer review, of the independent auditors, or by any inquiry or investigation by governmental or professional regulatory authorities, within the preceding five years, respecting one or more independent audits carried out by the independent auditors, and any steps taken to deal with any such issues; and (2) all relationships between the independent auditors and the Fund and any other relationships or services that may impact the objectivity and independence of the independent auditors. To the extent unresolved disagreements exist between management and the independent auditors regarding the financial reporting of the Fund, it shall be the responsibility of the Committee to resolve such disagreements.

10.

To consider and review with the independent auditors any reports of audit problems or difficulties that may have arisen in the course of the audit, including any limitations on the scope of the audit, and management’s response thereto.

11.

To establish hiring policies for employees or former employees of the independent auditors who will serve as officers or employees of the Fund.

12.

With respect to each Fund the securities of which are listed on a national securities exchange, to: (a) provide a recommendation to the Board regarding whether the audited financial statements of the Fund should be included in the annual report to shareholders of the Fund; and (b) prepare an audit committee report consistent with the requirements of applicable regulations under Regulation S-K for inclusion in the proxy statement for the Fund’s annual meeting of shareholders.

13.

To discuss generally the Fund’s earnings releases, as well as financial information and guidance provided to analysts and rating agencies, in the event a Fund issues any such releases or provides such information or guidance. Such discussions may include the types of information to be disclosed and the type of presentation to be made. The Committee need not discuss in advance each earnings release or each instance in which earnings guidance may be provided.

14.

To consider the Fund’s major financial risk exposures and the steps management has taken to monitor and control such exposures, including guidelines and policies to govern the process by which risk assessment and management is undertaken.

15.

To review and report to the Board with respect to any material accounting, tax, valuation, or record-keeping issues which may affect the Fund, its respective financial statements or the amount of their dividend or distribution rates.

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16.

To establish procedures for: (a) the receipt, retention, and treatment of complaints received by the Fund regarding accounting, internal accounting controls, or auditing matters; and (b) the confidential, anonymous submission by employees of the Fund or its service providers (including its investment advisers, administrators, principal underwriters and any other provider of accounting related services to the Fund) of concerns regarding questionable accounting or auditing matters.

17.

To direct and supervise investigations with respect to the following: (a) evidence of fraud or significant deficiencies in the design or implementation of internal controls reported to the Committee by the principal executive or financial officers of the Fund pursuant to the requirements of the Sarbanes-Oxley Act and related rules; and (b) any other matters within the scope of this Charter, including the integrity of reported facts and figures, ethical conduct, and appropriate disclosure concerning the financial statements of the Funds.

18.

To review and recommend to the Board policies and procedures for valuing portfolio securities of the Fund and to make recommendations to the Board with respect to specific fair value determinations and any pricing errors involving such portfolio securities.

19.

To coordinate its activities with the other committees of the Board as necessary or appropriate to carry out its purposes effectively and efficiently, and to communicate with such other committees regarding matters that the Committee or such other committees may wish to consider in exercising their respective powers.

20.

To review the adequacy of this Charter and evaluate the Committee’s performance of its duties and responsibilities hereunder at least annually, and to make recommendations to the Board for any appropriate changes or other action.

21.

To take such other actions as may be requested by the Board or Chairperson of the Board from time to time consistent with carrying out the purposes of the Committee.

VI. Powers and Authority of the Committee.

In performing its duties and responsibilities, the Committee shall have the following powers and authority:

To make recommendations to the Board with respect to any of the foregoing matters and such other matters as the Committee may determine to be necessary or appropriate to carry out its purposes, including recommendations with respect to industry trends, best practices and educational or training opportunities for Independent Trustees to enhance the Board’s understanding of such matters.

To exercise such additional powers as from time to time may be authorized by the Board.

VII. Resources of the Committee.

The Committee shall have the resources appropriate to exercise its powers and fulfill its responsibilities hereunder. Subject to the prior approval of the Board or the Chairperson of the Board, the Committee may engage counsel, consultants and other experts, at the expense of the Funds, and may determine the appropriate levels of funding for payment of compensation to such counsel, consultants and other experts, as well as the ordinary administrative expenses necessary or appropriate in exercising its powers and fulfilling its responsibilities under this Charter, including the reasonable costs of specialized training for Committee and Board members. The Committee may access directly such officers and employees of the Funds, Eaton Vance and the Funds’ other services providers, as it deems necessary or desirable in accordance with such communication protocols, if any, as may be established from time to time by the Board.

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EXHIBIT B

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FEE INFORMATION

The following table presents the aggregate fees billed to each Fund for the fiscal years ended March 31, 2022 and March 31, 2021 by the independent registered public accounting firm for professional services rendered for the audit of each Fund’s annual financial statements and fees billed for other services rendered by the independent registered public accounting firm during these periods. No services described in the table below were approved by a Fund’s Audit Committee pursuant to the “de minimis exception” set forth in Rule 2-01(c)(7)(i)(C) of Regulation S-X.

	AUDIT FEES		AUDIT-RELATED FEES⁽¹⁾		TAX FEES⁽²⁾		ALL OTHER FEES⁽³⁾		TOTAL
	Fiscal Year Ended 3/31/22	Fiscal Year Ended 3/31/21	Fiscal Year Ended 3/31/22	Fiscal Year Ended 3/31/21	Fiscal Year Ended 3/31/22	Fiscal Year Ended 3/31/21	Fiscal Year Ended 3/31/22	Fiscal Year Ended 3/31/21	Fiscal Year Ended 3/31/22	Fiscal Year Ended 3/31/21
Limited Duration Income Fund	$127,600	$148,700	$0	$0	$19,982	$20,782	$0	$0	$147,582	$169,482
National Municipal Opportunities Trust	$52,400	$55,500	$0	$0	$9,729	$10,929	$0	$0	$62,129	$66,429

⁽¹⁾

Audit-related fees consist of the aggregate fees billed for assurance and related services that are reasonably related to the performance of the audit of financial statements and are not reported under the category of audit fees and specifically include fees for the performance of certain agreed-upon procedures relating to the Funds’ line of credit, where applicable.

⁽²⁾

Tax fees consist of the aggregate fees billed for professional services rendered by the independent registered public accounting firm relating to tax compliance, tax advice, and tax planning and specifically include fees for tax return preparation and other related tax compliance/planning matters.

⁽³⁾

All other fees consist of the aggregate fees billed for products and services provided by the independent registered public accounting firm other than audit, audit-related, and tax services.

The following table presents (i) the aggregate non-audit fees (i.e., fees for audit-related, tax, and other services) billed for services rendered to each Fund for the Fund’s last two fiscal years ended March 31, 2022 and March 31, 2021 by the independent registered public accounting firm; and (ii) the aggregate non-audit fees (i.e., fees for audit-related, tax, and other services) billed for services rendered to the Eaton Vance organization by the independent registered public accounting firm.

	Fiscal Year Ended March 31, 2022	Fiscal Year Ended March 31, 2021
Limited Duration Income Fund	$19,982	$20,782
National Municipal Opportunities Trust	$9,729	$10,929
Eaton Vance⁽¹⁾	$0	$150,300

⁽¹⁾

On March 1, 2021, Morgan Stanley acquired EVC and Eaton Vance became an indirect, wholly owned subsidiary of Morgan Stanley.

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EXHIBIT C

According to filings made on Schedules 13D and 13G pursuant to Sections 13(d) and 13(g), respectively, of the Securities Exchange Act of 1934, as amended, the following shareholders own 5% or more of a Fund’s Common Shares and/or APS.*

Fund Name and Title of Class	Name and Address of Owner	Aggregate Share Amount Owned	Percent
Limited Duration Income Fund – APS	UBS Group AG fbo UBS Securities LLC UBS Financial Services Inc. Bahnhofstrasse 45 PO Box CH-8049 Zurich, Switzerland	5,148	48.27%
	RiverNorth Capital Management, LLC RiverNorth Institutional Partners, LP 325 N. LaSalle Street Suite 645 Chicago, IL 60654	728	8.42%
	Sunrise Partners Limited Partnership Paloma International, L.P. Maples Corporate Services Limited P.O. Box 309, Ugland House Grand Cayman, KY1-1104, Cayman Islands Paloma Partners Management Company Gregory Hayt Two American Lane Greenwich, CT 06836 Paloma Partners Advisors LP Paloma Partners Advisors, Inc. S. Donald Sussman 888 E. Las Olas Boulevard Ft. Lauderdale, FL 33301	1,012	11.70%
	Morgan Stanley Morgan Stanley & Co. LLC 1585 Broadway New York, NY 10036	584	6.70%
Limited Duration Income Fund – Common	Morgan Stanley Morgan Stanley Smith Barney LLC 1585 Broadway New York, NY 10036	8,066,615	6.90%

Information in this table is based on filings made on or before November 1, 2022. To the knowledge of the Funds, no other person owned 5% or more of the outstanding common shares and/or APS of the Funds as of such date. Owners of 25% or more of common shares and/or APS of a Fund are presumed to be in control of the class for purposes of voting on certain matters submitted to shareholders.

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