Eaton Vance Short Duration Diversified Income Fund

Eaton Vance Tax-Advantaged Global Dividend Opportunities Fund

Two International Place

Boston, Massachusetts 02110

December 22, 2023

Dear Shareholder:

You are cordially invited to attend the Annual Meeting of Shareholders (the "Annual Meeting") of your Fund(s), which will be held at the principal office of each Fund, Two International Place, Boston, Massachusetts 02110, on Wednesday, February 7, 2024 at 11:30 a.m. (Eastern Time).

At this Annual Meeting, you will be asked to consider the election of Trustees of your Fund(s). 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. We 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,

Kenneth A. Topping

R. Kelly Williams, Jr.

Kenneth A. Topping

R. Kelly Williams, Jr.

President

President

Eaton Vance Short Duration

Eaton Vance Tax-Advantaged

Diversified Income Fund

Global Dividend Opportunities Fund

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, date, sign and return the applicable 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 Short Duration Diversified Income Fund

Eaton Vance Tax-Advantaged Global Dividend Opportunities Fund

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting of Shareholders to be Held on Wednesday, February 7, 2024: The Notice of Annual Meeting of Shareholders, Proxy Statement, Proxy Cards 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 at the principal office of each Fund, Two International Place, Boston, Massachusetts 02110, on Wednesday, February 7, 2024 at 11:30 a.m. (Eastern Time), for the following purposes:

  1. To elect Trustees of each Fund as outlined below:
    1. For Eaton Vance Short Duration Diversified Income Fund, three Class I Trustees, Cynthia E. Frost, Anchal Pachnanda and Scott E. Wennerholm, to be elected by shareholders of the Fund; and
    2. For Eaton Vance Tax-Advantaged Global Dividend Opportunities Fund, three Class II Trustees, Alan C. Bowser, Mark R. Fetting and Keith Quinton, to be elected by shareholders of the Fund.
  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 has fixed the close of business on November 28, 2023 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.

By Order of the Boards of Trustees of the Funds

Nicholas S. DiLorenzo

Nicholas S. Di Lorenzo

Secretary

December 22, 2023

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 Short Duration Diversified Income Fund

Eaton Vance Tax-Advantaged Global Dividend Opportunities Fund

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 Short Duration Diversified Income Fund ("Short Duration Fund") and Eaton Vance Tax-Advantaged Global Dividend Opportunities Fund ("Tax-Advantaged Fund") (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 on Wednesday, February 7, 2024 at 11:30 a.m. (Eastern Time) at the principal office of each Fund, Two International Place, Boston, Massachusetts 02110, as discussed further herein. The Annual Meeting will be held for the purposes set forth in the accompanying notice. This proxy statement and the enclosed proxy cards are first being sent or given to shareholders on or about December 22, 2023.

The Board of Trustees of each Fund (the "Board" or the "Board of Trustees") has fixed the close of business on November 28, 2023 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 of beneficial interest, $0.01 par value per share ("Common Shares"), of each Fund outstanding on November 28, 2023, were as follows:

No. of Common Shares

Outstanding on

Fund

November 28, 2023

Short Duration Fund

13,442,697

Tax-Advantaged Fund

16,388,138

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

To the knowledge of each Fund, based on 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 a Fund owns 5% or more of the Fund's Common Shares as of November 28, 2023. Information relating to such shareholders can be found on Exhibit C. As of November 28, 2023, to each Fund's knowledge: (i) no other shareholder owned more than 5% of the outstanding Common Shares 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 Common Shares of the Fund.

Shareholders as of the close of business on the record date of November 28, 2023, 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.

If you are a record holder of Fund shares and plan to attend the Annual Meeting, you must show a valid photo identification (such as a driver's license) to gain admission to the Annual Meeting. 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 you hold Fund shares through an intermediary and plan to attend and vote at the Annual Meeting, you will be required to show a valid photo identification and your authority to vote your shares (referred to as a "legal proxy") to gain admission to the Annual Meeting. As described above, you must contact your intermediary to obtain a legal proxy for your shares.

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.

1

Proxy Statement dated December 22, 2023

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 eleven. 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:

  1. For Short Duration Fund, three Class I Trustees, Cynthia E. Frost, Anchal Pachnanda and Scott E. Wennerholm, to be elected by shareholders of the Fund; and
  2. For Tax-Advantaged Fund, three Class II Trustees, Alan C. Bowser, Mark R. Fetting and Keith Quinton, to be elected by shareholders of the Fund.

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.

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 "EVG" are to Short Duration Fund and to "ETO" are to Tax-Advantaged Fund. 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 both Funds unless otherwise noted.

Trustee Since(1)

Principal Occupation(s) During Past Five Years

Other Directorships Held

Name and Year of Birth

Fund Position(s)

Current Term Expiring

and Other Relevant Experience

During Last Five Years

Interested Trustee

ANCHAL PACHNANDA

Trustee

2023

ETO: Class III Trustee

Co-Head of Strategy of Morgan Stanley Investment

None

1980

until 2025. EVG: Class I

Management, Inc. ("MSIM") (since 2019). Formerly, Head of

Trustee until 2024.

Strategy of MSIM (2017-2019). Ms. Pachnanda is an

interested person because of her position with MSIM, which is

an affiliate of the Fund.

Noninterested Trustees

ALAN C. BOWSER

Trustee

2023

ETO: Class II Trustee until

Private investor. Formerly, Chief Diversity Officer, Partner and

1962

2024. EVG: Class II

a member of the Operating Committee, and formerly served as

Trustee until 2025.

Senior Advisor on Diversity and Inclusion for the firm's chief

executive officer, Co-Head of the Americas Region, and Senior

Client Advisor of Bridgewater Associates, an asset

management firm (2011-2023).

Independent Director of Stout Risius Ross (a middle market professional services advisory firm) (since 2021).

MARK R. FETTING

Trustee

2016

ETO: Class II Trustee until

Private investor. Formerly held various positions at Legg

None

1954

2024. EVG: Class III

Mason, Inc. (investment management firm) (2000-2012),

Trustee until 2026.

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).

2

Proxy Statement dated December 22, 2023

Trustee Since(1)

Principal Occupation(s) During Past Five Years

Other Directorships Held

Name and Year of Birth

Fund Position(s)

Current Term Expiring

and Other Relevant Experience

During Last Five Years

CYNTHIA E. FROST

Trustee

2014

ETO: Class I Trustee until

Private investor. Formerly, Chief Investment Officer of Brown

None

1961

2026. EVG: Class I

University (university endowment) (2000-2012). Formerly,

Trustee until 2024.

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).

GEORGE J. GORMAN

Chairperson of

2021 (Chairperson) and

ETO: Class III Trustee

Principal at George J. Gorman LLC (consulting firm). Formerly,

1952

the Board and

2014 (Trustee)

until 2025. EVG: Class II

Senior Partner at Ernst & Young LLP (a registered public

Trustee

Trustee until 2025.

accounting firm) (1974-2009).

VALERIE A. MOSLEY

Trustee

2014

ETO: Class I Trustee until

Chairwoman and Chief Executive Officer of Valmo Ventures (a

1960

2026. EVG: Class III

consulting and investment firm). Founder of Upward Wealth,

Trustee until 2026.

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).

None

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

Trustee

2018

ETO: Class II Trustee until

Private investor, researcher and lecturer. Formerly,

Formerly, Director (2016-2021)

1958

2024. EVG: Class II

Independent Investment Committee Member at New

and Chairman (2019-2021) of

Trustee until 2025.

Hampshire Retirement System (2017-2021). Formerly,

New Hampshire Municipal Bond

Portfolio Manager and Senior Quantitative Analyst at Fidelity

Bank.

Investments (investment management firm) (2001-2014).

MARCUS L. SMITH

Trustee

2018

ETO: Class III Trustee

Private investor and independent corporate director. Formerly,

1966

until 2025. EVG: Class III

Chief Investment Officer, Canada (2012-2017), Chief

Trustee until 2026.

Investment Officer, Asia (2010-2012), Director of Asian

Research (2004-2010) and portfolio manager (2001-2017) at

MFS Investment Management (investment management firm).

SUSAN J. SUTHERLAND

Trustee

2015

ETO: Class III Trustee

Private investor. Director of Ascot Group Limited and certain

1957

until 2025. EVG: Class II

of its subsidiaries (insurance and reinsurance) (since 2017).

Trustee until 2025.

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 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).

Formerly, Director of Kairos Acquisition Corp. (insurance/InsurTech acquisition company) (2021-2023).

SCOTT E. WENNERHOLM

Trustee

2016

ETO: Class I Trustee until

Private investor. Formerly, Trustee at Wheelock College

None

1959

2026. EVG: Class I

(postsecondary institution) (2012-2018). Formerly,

Trustee until 2024.

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).

3

Proxy Statement dated December 22, 2023

Trustee Since(1)

Principal Occupation(s) During Past Five Years

Other Directorships Held

Name and Year of Birth

Fund Position(s)

Current Term Expiring

and Other Relevant Experience

During Last Five Years

NANCY A. WISER

Trustee

2022

ETO: Class I Trustee until

Formerly, Executive Vice President and the Global Head of

None

1967

2026. EVG: Class III

Operations at Wells Fargo Asset Management (2011-2021).

Trustee until 2026.

  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.

Each current Trustee listed above served as a Trustee of 127 funds within the Eaton Vance fund complex as of November 28, 2023 (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 74th birthday; or (ii), with limited exception, December 31st of the 20th 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

Ms. Pachnanda is an "interested person" (as defined in the 1940 Act) because of her position with MSIM, which is an affiliate of the investment adviser to each Fund.

Share Ownership by Trustee

As of November 28, 2023, Mr. Quinton beneficially owned between $10,001-$50,000 of Tax-Advantaged Global Dividend Opportunities Fund's equity securities. No other Trustee held shares of each Fund as of November 28, 2023. The following table shows, as of November 28, 2023, 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, which may include shares, if any, deemed to be beneficially owned by a noninterested Trustee through a deferred compensation plan.

Aggregate Dollar Range of Equity

Securities Beneficially Owned in Funds

Overseen by Trustee in the

Name of Trustee

Eaton Vance Family of Funds

Interested Trustee

Anchal Pachnanda(1)

None

Noninterested Trustees

Alan C. Bowser(2)

Over $100,000

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

Scott E. Wennerholm

Over $100,000

Nancy A. Wiser

Over $100,000

  1. Ms. Pachnanda began serving as a Trustee effective April 1, 2023.
  2. Mr. Bowser began serving as a Trustee effective January 4, 2023.

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 eleven Trustees, including ten Trustees who are not "interested

4

Proxy Statement dated December 22, 2023

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 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 possessed by the individual or other experience or background of the individual, and the extent to which such expertise, experience or background would complement the Board members' existing mix of skills, core competencies and qualifications and diversity of experiences and background; (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 and any anticipated vacancies.

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

5

Proxy Statement dated December 22, 2023

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:

Alan C. Bowser. Mr. Bowser has served as a Board member of the Eaton Vance open-end funds since 2022 and of the Eaton Vance closed-end funds since 2023. Mr. Bowser has over 25 years of experience in the financial services industry, most of which has been dedicated to leading investment advisory teams serving institutions, family offices, and ultra-high net worth individuals in the U.S. and Latin America. From 2011-2023, Mr. Bowser served in several capacities at Bridgewater Associates, an asset management firm, including most recently serving as Chief Diversity Officer and Co-Head of the Americas Region in addition to being a Partner and a member of the Operating Committee. Prior to joining Bridgewater Associates, he was Managing Director and Head of Investment Services at UBS Wealth Management Americas from 2007 to 2010 and, before that, Managing Director and Head of Client Solutions for the Latin America Division at the Citibank Private Bank from 1999 to 2007. Mr. Bowser has been an Independent Director of Stout Risius Ross since 2021, a founding Board Member and current Board Chair of the Black Hedge Fund Professionals Network and has served on the Boards of the Robert Toigo Foundation, the New York Urban League, the University of Pennsylvania, and as Vice Chairman of the Greater Miami Chamber of Commerce Task Force on Ethics. In 2020, he was recognized as one of the top 100 "EMPower Ethnic Minority Executive Role Models" and in 2022 he was recognized by Insider Business magazine as one of 14 "Diversity Trailblazers" making corporate America more inclusive.

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 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. 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.

6

Proxy Statement dated December 22, 2023

Anchal Pachnanda. Ms. Pachnanda has served as a member of the Eaton Vance Funds Board since 2023. Ms. Pachnanda has been the Co-Head of Strategy of MSIM since 2019. From 2017-2019, Ms. Pachnanda served as Head of Strategy of MSIM. Ms. Pachnanda began her career at Morgan Stanley as an intern in 2000 and has held various roles during her tenure.

Keith Quinton. Mr. Quinton has served as a member of the Eaton Vance Fund Boards since 2018 and is the Chairperson of the Ad Hoc Committee for Closed-End Fund Matters. 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 2018 and is the Chairperson of the Portfolio Management Committee. 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 (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 was a Director of Kairos Acquisition Corp. from 2021 until its dissolution in 2023, which had concentrated on acquisition and business combination efforts within the insurance and insurance technology (also known as "InsurTech") sectors. Ms. Sutherland was also 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 2022. She also serves as a corporate Director for Rimes Technologies, a data management company based in London (since 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

7

Proxy Statement dated December 22, 2023

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 Foundation Board of Trustees (since 2022) 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 October 31, 2023, the Trustees of each Fund met eight 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 nine times, the Contract Review Committee met five times, the Governance Committee met three times, the Portfolio Management Committee met six times, the Compliance Reports and Regulatory Matters Committee met eight times and the Ad Hoc Committee for Closed-End Fund Matters met one time 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' 2023 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 New York Stock Exchange. 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; (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), Bowser, 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.

Messrs. Smith (Chairperson), Bowser and Wennerholm and Mses. Frost and Mosley 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

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Proxy Statement dated December 22, 2023

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Eaton Vance Short Duration Diversified Income Fund published this content on 22 December 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 25 December 2023 19:52:53 UTC.