Exhibit 99.1 https://files.reportify.cc/media/prod uction/TCBX18744e26bd26291c0acc eafc0a2161a5.jpg 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 Fourth Quarter and Full Year Financial Results Record Annual Net Income of $66.3 million Record Annual Diluted Earnings Per Share of$3.79 Year Over Year Book Value grew 16.8% and Tangible Book Value (1) grew 17.7% HOUSTON ...