Company: CIF
Filing Date: 2025-08-22
Form Type: DEF 14A
Source: 0001741773-25-002969
Chunk: 46

Company: MFS INTERMEDIATE HIGH INCOME FUND
Filing Date: 2025-08-22
Form: DEF 14A
Chunk 46
---
, 2025**</div>

**This proxy is solicited on behalf of the Board
of Trustees of the Trust**

**The signer of this proxy card hereby appoints Christopher
R. Bohane, Tiffany Ko, Brian E. Langenfeld, Amanda S. Mooradian, Susan A. Pereira, Matthew A. Stowe,
and William B. Wilson and each of them separately, proxies, with power of substitution, and hereby authorizes
each of them to represent, and to vote, as designated on the reverse side, at the Meeting of Shareholders
of the above-referenced Trust, to be held on Thursday, October 2, 2025 at 10:30 a.m., Eastern Time, and
at any adjournments or postponements thereof, all of the common shares of the Trust that the undersigned
would be entitled to vote if personally present. Only the Trust’s shareholders of record on July 31,
2025 will be entitled to vote at the Trust’s Meeting of Shareholders.

THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN BY THE SIGNING SHAREHOLDER.IF NO DIRECTION IS MADE, THIS PROXY WILL BE VOTEDFORTHE PROPOSAL.IN THEIR DISCRETION, THE PROXIES ARE AUTHORIZED TO VOTE UPON SUCH OTHER MATTERS AS MAY PROPERLY COME BEFORE THE MEETINGOR ANY ADJOURNMENTS OF THE MEETING.THE TRUSTEES RECOMMEND A VOTEFORTHE PROPOSAL ON THE REVERSE SIDE.

YOUR
VOTE IS IMPORTANT. WE WOULD APPRECIATE YOUR PROMPTLY VOTING, SIGNING, DATING, AND RETURNING THE ENCLOSED
PROXY, WHICH WILL HELP AVOID THE ADDITIONAL EXPENSE OF A SECOND SOLICITATION FOR YOUR TRUST. THE ENCLOSED
ADDRESSED ENVELOPE REQUIRES NO POSTAGE AND IS PROVIDED FOR YOUR CONVENIENCE.**

#### VOTE
VIA THE INTERNET:www.proxy-direct.com

#### VOTE VIA
THE TELEPHONE:1-800-337-3503

CXE_34526_051325_Pref

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#### EVERY
SHAREHOLDER’S VOTE IS IMPORTANT

<div align='center'>**Important Notice Regarding
the Availability of Proxy Materials for the MFS

Shareholders
Meeting to be held on October 2,