MFS GOVERNMENT MARKETS INCOME TRUST

This Proxy Statement is furnished in connection with the solicitation of proxies by and on behalf of the Board of Trustees of MFS Government Markets Income Trust (“MGF” or the “Trust”) to be used at the Special Meeting of Shareholders of the Trust (the “Special Meeting”) to be held at 11:00 a.m. (Eastern Time) on June 18, 2026 at 111 Huntington Avenue, Boston, Massachusetts 02199, for the purposes set forth in the accompanying Notice of the Special Meeting of Shareholders (the “Notice”). If the enclosed form of proxy is executed and returned, it may nevertheless be revoked prior to its exercise by a signed writing filed with the proxy tabulation agent, EQ Fund Solutions, LLC (“EQ Fund Solutions”),28 Liberty Street, New York, NY 10005, or delivered at a Special Meeting.

On May 1, 2026, the Trust had 32,590,193 common shares (the “Shares”) outstanding.

Shareholders of record at the close of business on May 1, 2026, will be entitled to one vote for each share held, and each fractional share will be entitled to a proportionate fractional vote. Shareholders will vote separately on each item.

The mailing address of the Trust is 111 Huntington Avenue, Boston, Massachusetts 02199. Solicitation of proxies is being made by the mailing of the Notice and this Proxy Statement with its enclosures on or about May 18, 2026. In addition to soliciting proxies by mail, the Trustees of your Trust and employees of Massachusetts Financial Services Company (“MFS”), your Trust’s investment adviser and administrator, may solicit proxies in person or by telephone. The expenses of the preparation of Proxy Statement and related materials, including printing and delivery costs, and vote solicitation are borne by abrdn Inc. (“Aberdeen”) and MFS.

The Trust has engaged EQ Fund Solutions to provide solicitation and voting tabulation services. It is anticipated that the cost of these services will be $13,321.

Important Notice Regarding the Availability of Proxy Materials for the Special Shareholder Meeting To Be Held on June 18, 2026.

The Proxy Statement is available athttps://vote.proxyonline.com/MFS/docs/proxy.pdf. If you elect to vote in person, directions to the Special Meetings in order to vote in person are available by telephoning toll-free (800) 848-3402. If you plan to attend a Special Meeting, we ask that you email us in advance at Attendameeting@equiniti.com. If your shares are held by your broker, in order to vote in person at the Special Meeting, you will need to obtain a “Legal Proxy” from your broker and present it to the Inspector of Election at the Special Meeting. Also, in order to revoke your proxy, you may need to forward your written revocation or a later-dated proxy card to your broker rather than to the Trust.