X0407 4 2023-04-10 0 0000005981 AMERICAN VANGUARD CORP AVD 0001198398 WINTEMUTE ERIC G 4695 MACARTHUR COURT, STE 1200 NEWPORT BEACH CA 92660 1 1 0 0 Chairman & CEO 0 Common Stock 2023-04-10 4 A 0 39211 0.00 A 1121287 D Common Stock 2023-04-10 4 A 0 39211 0.00 A 1160498 D These comprise an award of time-based restricted stock that vests in its entirety on April 10, 2026, if and only if reporting person is continuously employed by issuer through such vesting date as per the terms of a Restricted Stock Agreement dated as of April 10, 2023. These comprise an award of performance-based restricted stock that vests upon the attainment of both (i) continuous employment through April 10,2026, and (ii) the relative growth of the issuer's EBIT (earnings before interest and taxes), net sales and stock price appreciation as compared to that of certain comparator groups over the course of a three-year period as per the terms of a Performance Stock Agreement dated as of April 10,2023. /s/ ERIC G. WINTEMUTE 2023-04-12