THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

American Vanguard Corporation (AVD)

5/15/2006 Proxy Information

John B. Miles, a current member of the Board and the Compensation Committee and the current chairperson of the Nominating and Corporate Governance Committee, is a partner in the law firm of McDermott Will & Emery LLP, which provides legal services to the Company.

Mr. Kraft has served as co-Chairman of American Vanguard Corporation since July 1994. He served as Chairman and Chief Executive Officer from 1969 to July 1994.

Glenn A. Wintemute is the father of Eric G. Wintemute, the Company’s President and Chief Executive Officer. He is also the father of Eric G. Wintemute, the Company’s President and Chief Executive Officer.