X0206 3 2023-02-16 0 0001781730 Third Coast Bancshares, Inc. TCBX 0001966488 Deckert Michael 20202 HIGHWAY 59 NORTH, SUITE 190 HUMBLE TX 77338 0 1 0 0 See Remarks Common Stock 5457 D Common Stock 5 I By ESOP Common Stock 1050 I By IRA Includes 5,357 shares of restricted stock that vest in equal increments on an annual basis over a four-year period beginning on February 1, 2023. Executive Vice President and Chief Operating Officer Exhibit 24 - Power of Attorney /s/ R. John McWhorter, attorney-in-fact 2023-02-27