X0203 3 2010-12-10 0 0000005981 AMERICAN VANGUARD CORP AVD 0001507305 Venter Johann 4695 MACARTHUR COURT, SUITE 1250 NEWPORT BEACH CA 92660 0 1 0 0 VP & Dir of Tech of Amvac Chem Common Stock 5000 D The shares reported are subject to a Restricted Stock Agreement dated as of December 1, 2010 between reporting person and the Company under the terms of which shares of common stock vest one hundred percent on December 1, 2013, subject, among other things, to reporting person's continuous, full-time employment as of that date. Reporting person was appointed a section 16 officer of issuer on December 10, 2010. (2) The reporting person has executed a Power of Attorney dated December 1, 2010 permitting execution of Forms 3, 4 and 5 by three attorneys-in-fact; a copy of that Power of Attorney is filed herewith. /s/ Johann Venter (2) 2011-01-04