American Vanguard Schedules Financial Results News Release and Conference Call.

NEWPORT BEACH, Calif. -- American Vanguard Corp. (NYSE:AVD) today announced that it will issue its financial results for the first quarter ended March 31, 2007 on Tuesday, May 8, 2007 before the stock market opens. Eric Wintemute, President and CEO, and James Barry, Senior Vice President and CFO, will conduct a conference call focusing on the financial results at 12:00 noon ET on Tuesday, May 8, 2007. Interested parties may participate in the call by dialing 706-679-3155 - please call in 10 minutes before the call is scheduled to begin, and ask for the American Vanguard call (conference ID # 6266443).

The conference call will also be webcast live via the News and Media section of the Company's web site at www.american-vanguard.com. To listen to the live webcast, go to the web site at least 15 minutes early to register, download and install any necessary audio software. If you are unable to listen live, the conference call will be archived on the Company's web site.

About American Vanguard

American Vanguard Corporation is a diversified specialty and agricultural products company that develops and markets products for crop protection and management, turf and ornamentals management and public and animal health. The Company's basic strategy is to acquire and license brand name, niche product lines from larger companies that divest mature products to focus on newly discovered molecules. American Vanguard is included on the Russell 2000[R] and Russell 3000[R] Indexes. To learn more about American Vanguard, please reference the Company's web site at www.american-vanguard.com.

The Company, from time to time, may discuss forward-looking information. Except for the historical information contained in the conference call referenced in this release, all forward-looking statements are estimates by the Company's management and are subject to various risks and uncertainties that may cause results to differ from management's current expectations. Such factors include weather conditions, changes in regulatory policy and other risks as detailed from time-to-time in the Company's SEC reports and filings. All forward-looking statements, if any, in this release represent the Company's judgment as of the date of this release.