Main Street Capital Corporation (NYSE: MAIN) (“Main Street”) is pleased to announce that its Board of Directors declared regular monthly cash dividends of $0.26 per share for each of January, February and March 2026. These monthly dividends, which will be payable pursuant to the table below, total $0.78 per share for the first quarter of 2026 and represent a 2.0% increase from the regular monthly dividends declared for the fourth quarter of 2025 and a 4.0% increase from the regular monthly dividends paid in the first quarter of 2025. 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.

Summary of First Quarter 2026 Regular Monthly Dividends
Declared	Ex-Dividend Date	Record Date	Payment Date	Amount Per Share
11/3/2025	1/8/2026	1/8/2026	1/15/2026	$0.26
11/3/2025	2/6/2026	2/6/2026	2/13/2026	$0.26
11/3/2025	3/6/2026	3/6/2026	3/13/2026	$0.26
		Total for First Quarter 2026:		$0.78

In addition to the regular monthly dividends for the first quarter of 2026, the Board of Directors declared a supplemental cash dividend of $0.30 per share payable in December 2025. 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 September 30, 2025.

Supplemental Cash Dividend Payable in December 2025
Declared	Ex-Dividend Date	Record Date	Payment Date	Amount Per Share
11/3/2025	12/22/2025	12/22/2025	12/29/2025	$0.30

Including all dividends declared to date, including the first quarter 2026 regular monthly dividends and the December 2025 supplemental dividend, Main Street will have paid $47.935 per share in cumulative cash dividends since its October 2007 initial public offering at $15.00 per share. Including the first quarter 2026 regular monthly dividends and the December 2025 supplemental dividend, these most recent dividend declarations represent total dividends to Main Street shareholders of $1.08 per share, representing an annualized current yield of 7.6% based on the closing price of $57.16 per share on November 3, 2025.

Main Street Capital