Exhibit 99.1 N R EWS ELEASE Contact: Ken Dennard / Natalie Hairston Dennard Lascar Investor Relations (713) 529-6600 TCBX@dennardlascar.com FOR IMMEDIATE RELEASE THIRD COAST BANCSHARES, INC. REPORTS 2024 FIRST QUARTER FINANCIAL RESULTS Continued Growth Results in Record EPS of $0.68 and Diluted EPS of $0.61 HOUSTON, TX – April 24, 2024 – Third Coast Bancshares, Inc. (NASDAQ: TCBX) (the “Company,” “Third Coast,” “we,” “us,” or “our”), the bank holding company for Third Coast Bank, today reported its 2024 fir ...