X0306 4 2021-12-31 0 0000717806 FIRST US BANCSHARES, INC. FUSB 0001713233 Hale David Peter 3291 U. S. HIGHWAY 280 BIRMINGHAM AL 35243 1 0 0 0 Phantom Stock Units 2021-12-31 4 A 0 447.35 10.57 A Common Stock 447.35 8501.38 D The units convert to common stock on a 1-for-1 basis. Includes 21.61 shares attributable to quarterly dividends accrued under the First US Bancshares, Inc. Non-Employee Directors' Deferred Compensation Plan. The phantom stock units were accrued under the First US Bancshares, Inc. Non-Employee Directors' Deferred Compensation Plan and are to be settled in common stock at the end of the deferral period. /s/Beverly J. Dozier, by power of attorney 2022-01-04