MSC INCOME FUND, INC.

MSC Income Fund, Inc. announced that Main Street Capital Corporation, which wholly owns the Registrant's investment adviser and administrator, posted an updated investor presentation on its corporate website. This presentation, released in connection with Main Street Capital's analysts' and investors' day, includes updated information about MSC Income Fund and will be available until at least July 14, 2026.

MSC Income Fund, Inc. announced its 2026 Annual Meeting of Stockholders to be held on August 5, 2026, at 9:00 AM local time. Stockholders as of the May 18, 2026 record date will vote on the election of five directors and a proposal to authorize the company to offer and sell shares below net asset value per share for the next 12 months. The Board of Directors recommends voting "FOR" all director nominees and "FOR" the below-NAV share issuance proposal.

MSC Income Fund announced its financial results for the first quarter ended March 31, 2026, reporting Net Investment Income (NII) of $0.35 per share and Adjusted Net Investment Income (ANII) of $0.34 per share. The Net Asset Value (NAV) stood at $15.87 per share. The Fund declared total dividends of $0.36 per share and repurchased $16.0 million of common stock, which increased NAV per share by approximately $0.08. The company also expanded its regulatory leverage capacity and issued $150.0 million in unsecured notes, further diversifying its capital structure.

MSC Income Fund announced a transition from quarterly to monthly regular dividends, effective July 2026. The Board declared regular monthly cash dividends of $0.11 per share for July, August, and September 2026, totaling $0.33 per share for the third quarter. Additionally, a supplemental cash dividend of $0.03 per share was declared, payable in September 2026.