X0306 4 2022-06-01 0000857855 UNITED COMMUNITY BANKS INC UCBI 0001184707 BLALOCK ROBERT H PO BOX 708 CLAYTON GA 30525 1 0 0 0 COMMON STOCK 2022-06-01 4 A 0 1762 0 A 29823 D COMMON STOCK 2103 I Elizabeth Blalock (Spouse) COMMON STOCK 20176 I Blalock Insurance Agency Reflects grant of 2022 Restricted Stock Units, which vest on August 15, 2023. Includes 2103 shares owned by Mr. Blalock's spouse for which he claims beneficial ownership. Includes 20,176 shares owned by Blalock Insurance Agency, a company wholly owned by Mr. Blalock. /s/ Melinda Davis Lux, as Attorney in Fact 2022-06-02