Third Coast Bancshares, Inc. Declares Quarterly Cash Dividendon its 6.75% Series A Convertible Non-Cumulative Preferred Stock (Form 8-K)

Third Coast Bancshares, Inc. Declares Quarterly Cash Dividend
on its 6.75% Series A Convertible Non-Cumulative Preferred Stock

HOUSTON, September 18, 2025 - Third Coast Bancshares, Inc. (NASDAQ: TCBX), the holding company of Third Coast Bank, today announced that its Board of Directors has declared a quarterly cash dividend of $17.25 per share on its 6.75% Series A Convertible Non-Cumulative Preferred Stock. The dividend is payable on October 15, 2025 to holders of record at the close of business on September 30, 2025.

About Third Coast Bancshares, Inc.

Third Coast Bancshares, Inc. is a commercially focused, Texas-based bank holding company operating primarily in the Greater Houston, Dallas-Fort Worth, and Austin-San Antonio markets through its wholly owned subsidiary, Third Coast Bank. Founded in 2008 in Humble, Texas, Third Coast Bank conducts banking operations through 19 branches encompassing the four largest metropolitan areas in Texas. Please visit https://www.thirdcoast.bank for more information.