Exhibit 99.1 INVESTOR CONTACT Jocelyn Kukulka, 469.399.8544 jocelyn.kukulka@texascapitalbank.com MEDIA CONTACT Julia Monter, 469.399.8425 julia.monter@texascapitalbank.com TEXAS CAPITAL BANCSHARES, INC. ANNOUNCES FIRST QUARTER 2024 RESULTS First quarter 2024 net income of $26.1 million and net income available to common stockholders of$21.8 million, or $0.46 per diluted share First quarter 2024 growth in loans held for investment of 2.4% and in total deposits of 7.1% Capital ratios continue to be strong, i ...