SCHEDULE 13D/A 0000897101-26-000069 0000769317 XXXXXXXX LIVE 1 Common Stock 03/09/2026 false 0000811922 552939100 MFS Government Markets Income Trust

111 Huntington Avenue 24th Floor Boston MA 02199

Paul E. Rasmussen 612-332-3223 80 South Eighth Street Suite 3300 Minneapolis MN 55402-4130 0000769317 N Sit Investment Associates, Inc. b OO N MN 0.00 8744665.00 0.00 8744665.00 8744665.00 N 26.8 IA 0001053046 N Sit Fixed Income Advisors II, LLC b OO N DE 0.00 8744665.00 0.00 8744665.00 8744665.00 N 26.8 IA MFS Government Markets Income Trust 111 Huntington Avenue 24th Floor Boston MA 02199 This Amendment No. 1 ("Amendment") amends and supplements the statement on Schedule 13D filed on February 24, 2026 (the "Original Schedule 13D" and, as amended by this Amendment, the "Schedule 13D"), relating to the shares of Common Stock ("Shares)" of MFS Government Markets Income Trust (the "Issuer"). Capitalized terms used but not otherwise defined herein have the meanings set forth in the Original Schedule 13D. Except as specifically provided herein, each Item of the Original Schedule 13D remains unchanged. See responses on each cover page of this Schedule 13D for the aggregate number of Shares and percentages of the Shares beneficially owned by each of the Reporting Persons. The aggregate percentage of Shares reported owned by Sit Entities herein is based upon 32,590,193 Shares outstanding as of November 30, 2025, which is the total number of Shares outstanding as reported in the Issuer's Form N-CSR. See responses on each cover page of this Schedule 13D for the number of Shares as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole of shared power to dispose or to direct the disposition. Each of the Sit Entities may be deemed to have shared power to vote and dispose of such Shares. However, none of SIA's or SFI's client accounts own more than 5% of the shares outstanding, and none of SIA's or SFI's directors or executive officers own shares directly. Transactions in Shares effected during the past 60 days by the Sit Entities are set forth in Exhibit A. The clients of SIA and SFI have the right to participate in the receipt of dividends from, or proceeds from the sales of, the Shares held for their respective accounts. Not applicable Exhibit A: Schedule of Transactions in Shares by Sit Entities during the past 60 days Sit Investment Associates, Inc. /s/ Roger J. Sit 03/10/2026 Sit Fixed Income Advisors II, LLC /s/ Roger J. Sit 03/10/2026