MSC Income Fund Announces Regular Quarterly Dividend and Supplemental Dividend

Regular Quarterly Dividend of $0.35 Per Share and Supplemental Dividend of $0.01 Per Share Payable May 1, 2026

HOUSTON, Feb. 26, 2026 /PRNewswire/ — MSC Income Fund, Inc. (NYSE: MSIF) (the „Fund“) is pleased to announce that its Board of Directors declared a regular quarterly cash dividend of $0.35 per share payable in May 2026, which will be payable as set forth in the table below.

In addition to the regular quarterly dividend for the second quarter of 2026, the Board of Directors declared a supplemental cash dividend of $0.01 per share payable in May 2026. This supplemental cash dividend, which will be payable as set forth in the table below, will be paid out of the Fund’s undistributed taxable income (taxable income in excess of dividends paid) as of December 31, 2025.