Eaton Vance Ltd Duration Income Fund

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. )

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One Post Office Square

Boston, Massachusetts 02109

November 26, 2024

Dear Shareholder:

You are cordially invited to attend the Annual Meeting of Shareholders (the “Annual Meeting”) of your Fund, which will be held at the principal office of each Fund, One Post Office Square, Boston, Massachusetts 02109, on Wednesday, January 8, 2025 at 11:30 a.m. (Eastern Time).

At the Annual Meeting, you will be asked to consider the election of Trustees of each of Eaton Vance Limited Duration Income Fund and Eaton Vance National Municipal Opportunities Trust. The enclosed proxy statement contains additional information.

I 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 applicable enclosed proxy card and return it in the enclosed postage-paid envelope as soon as possible to ensure that your shares are represented at the Annual Meeting.

Sincerely,

/s/ Kenneth A. Topping

Kenneth A. Topping

President