Exhibit 99.1 News Release Contact: Ken Dennard / Natalie Hairston Dennard Lascar Investor Relations (713) 529-6600 TCBX@dennardlascar.com FOR IMMEDIATE RELEASE Third Coast Bancshares, Inc. Reports 2025 Second Quarter Financial Results Record EPS of $1.12 and Diluted EPS of$0.96 in Latest Quarterly Results HOUSTON – July 23, 2025 – Third Coast Bancshares, Inc. (NASDAQ: TCBX) (the "Company," "Third Coast," "we," "us," or "our"), the bank holding company for Third Coast Bank (the "Bank"), today reported its 2 ...