Main Street Capital to pay supplemental dividend in June

In addition to the regular monthly dividends for the third quarter of 2024, the Board of Directors declared a supplemental cash dividend of $0.30 per share payable in June 2024. This supplemental cash dividend, which will be payable as set forth in the table below, will be paid out of Main Street's undistributed taxable income (taxable income in excess of dividends paid) as of March 31, 2024.