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.

The final determination of the tax attributes for dividends each year are made after the close of the tax year. The final tax attributes for 2026 dividends are currently expected to include a combination of ordinary taxable income and qualified dividends and may include capital gains and return of capital.

The Fund maintains a dividend reinvestment plan (the "DRIP") which provides for the reinvestment of dividends on behalf of its registered stockholders who hold their shares with the Fund's transfer agent and registrar or certain brokerage firms that have elected to participate in the DRIP. Under the DRIP, if the Fund declares a dividend, registered stockholders who have not "opted out" of the DRIP at least ten days prior to the next dividend payment date will have their dividend automatically reinvested into additional shares of the Fund's common stock.

ABOUT MSC INCOME FUND, INC.

The Fund (www.mscincomefund.com) is a principal investment firm that primarily provides debt capital to private companies owned by or in the process of being acquired by a private equity fund. The Fund's portfolio investments are typically made to support leveraged buyouts, recapitalizations, growth financings, refinancings and acquisitions of companies that operate in diverse industry sectors. The Fund seeks to partner with private equity fund sponsors and primarily invests in secured debt investments within its private loan investment strategy. The Fund also maintains a portfolio of customized long-term debt and equity investments in lower middle market companies, and through those investments, the Fund has partnered with entrepreneurs, business owners and management teams in co-investments with Main Street Capital Corporation (NYSE: MAIN) ("Main Street") utilizing the customized "one-stop" debt and equity financing solutions provided in Main Street's lower middle market investment strategy. The Fund's private loan portfolio companies generally have annual revenues between $25 million and $500 million. The Fund's lower middle market portfolio companies generally have annual revenues between $10 million and $150 million.

ABOUT MSC ADVISER I, LLC

MSC Adviser I, LLC ("MSCA") is a wholly-owned subsidiary of Main Street that is registered as an investment adviser under the Investment Advisers Act of 1940, as amended. MSCA serves as the investment adviser and administrator of the Fund in addition to several other advisory clients.

FORWARD-LOOKING STATEMENTS

This press release contains certain forward-looking statements, including but not limited to the continued payment of future dividends and the potential tax attributes for 2026 dividends, which are based upon the Fund management's current expectations and are inherently uncertain.  Any such statements other than statements of historical fact are likely to be affected by other unknowable future events and conditions, including elements of the future that are or are not under the Fund's control, and that the Fund may or may not have considered; accordingly, such statements cannot be guarantees or assurances of any aspect of future performance.  Actual performance, events and results could vary materially from these estimates and projections of the future as a result of a number of factors, including those described from time to time in the Fund's filings with the U.S. Securities and Exchange Commission.  Such statements speak only as of the time when made and are based on information available to the Fund as of the date hereof and are qualified in their entirety by this cautionary statement.  The Fund assumes no obligation to revise or update any such statement now or in the future.

Contacts:
MSC Income Fund, Inc.
Dwayne L. Hyzak, CEO, [email protected]
Cory E. Gilbert, CFO, [email protected] 
713-350-6000

Dennard Lascar Investor Relations
Ken Dennard / [email protected] 
Zach Vaughan / [email protected] 
713-529-6600

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SOURCE MSC Income Fund, Inc.