Loans at Third Coast Bancshares rose 31.9% in a year, even as quarterly profit fell to $19 million.

Third Coast Bancshares, Inc. (TCBX) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 N ews Release Contact: Ken Dennard / Natalie Hairston Dennard Lascar Investor Relations (713) 529-6600 TCBX@dennardlascar.com FOR IMMEDIATE RELEASE Third Coast Bancshares, Inc. Reports 2026 Third Quarter Financial Results Solid 2026 Third Quarter Results While Advanc

Third Coast Bancshares (TCBX) agreed to acquire Great Plains Bancshares in a two-step reorganization, with Great Plains shareholders receiving TCBX common stock. The deal includes customary closing conditions and a $12M termination fee. TCBX has a Buy rating and $53 price target from analysts, with Spark rating it as Outperform due to financial fundamentals and valuation, but noting integration risks.

Third Coast Bancshares (TCBX) agreed to acquire Great Plains Bancshares in an all-stock deal, issuing up to 5.57 million shares. The transaction requires approvals and may adjust based on Great Plains' equity. Third Coast secured support from 27.6% of Great Plains shareholders and directors to ensure the deal's success.

Third Coast Bancshares (TCBX) proposed a $239M all-stock acquisition of Great Plains Bancshares, parent of Great Plains National Bank. The deal, expected to close in Q1 2027, would expand TCBX's branch network into Oklahoma and increase total assets to $9B. The transaction is subject to regulatory and shareholder approvals and may dilute existing shareholders' ownership.

Third Coast Bancshares will acquire Great Plains National Bank in a stock-based merger. Great Plains, with $1.9B in assets, will operate as a division of Third Coast, expanding its presence in Oklahoma and Texas. The deal is subject to regulatory approval.

StoneX raised its price target for Third Coast Bancshares (TCBX) to $56, citing its acquisition of Great Plains Bancshares. The stock trades at $41.61, with a potential 17% upside. TCBX reported strong Q2 2026 earnings, beating estimates, and Piper Sandler initiated coverage with an Overweight rating and $53 target.