Main Street Capital Corporation announced that its Board of Directors declared regular monthly cash dividends of $0.245 per share for each of July, August and September 2024, respectively. These monthly dividends, which will be payable pursuant to the table below, total $0.735 per share for the third quarter of 2024 and represent a 2.1% increase from the regular monthly dividends declared for the second quarter of 2024 and a 6.5% increase from the regular monthly dividends paid in the third quarter of 2023. Since its October 2007 initial public offering, Main Street has periodically increased the amount of its regular monthly dividends paid per share and has never reduced its regular monthly dividend amount per share.

The Record Date of July 7, 2024, August 8, 2024 and September 9, 2024, respectively. The Ex-Dividend Date of July 7, 2024, August 8, 2024 and September 9, 2024, respectively. Payable from July 15, 2024, August 15, 2024 and September 13, 2024, Respectively.