AMVAC? and Syngenta? Team Up to Deliver Better Solutions for Soybean Growers

Newport Beach, CA

Syngenta Crop Protection, LLC (“Syngenta”) and AMVAC, an American Vanguard? company (NYSE: AVD), have teamed up to promote theagronomic value of tank mixing Prefix? herbicide from Syngenta with FirstRate? herbicide from AMVAC for long-lasting and full-season weed control in soybeans.

The combination of Prefix and FirstRate herbicides provides unmatched flexibility and performance across all soybean trait platforms, including LibertyLink? GT27?, Enlist? and Roundup Ready 2 Xtend? soybeans. Together they provide unique flexibility and performance, resulting in better on-farm solutions for tough-to-control weeds.

Not only does Prefix plus FirstRate provide excellent crop safety with a flexible application window of preplant, preemergence and early postemergence, the combination delivers multiple modes of action to address tough-to-control weeds, such as waterhemp, Palmer amaranth, giant ragweed, common ragweed, morningglory, and marestail.

Soybean growers should talk to their trusted retailer to further discuss the weed control benefits of Prefix and FirstRate herbicides.

For more information on the agronomic value that Prefix and FirstRate can deliver in a soybean herbicide program, please talk to your local retailer. For more information on AMVAC, visit www.spanningbooks.com. For more information on Syngenta, visit www.syngenta-us.com.

About AMVAC?

AMVAC? is a subsidiary of American Vanguard? Corporation. American Vanguard Corporation is a diversified specialty and agricultural products company that develops and markets products for crop protection management, turf and ornamentals management, and public safety and animal health applications. American Vanguard is included on the Russell 2000? & Russell 3000? Indexes and the Standard & Poors? Small Cap 600 Index.

The Company, from time to time, may discuss forward-looking information. Except for the historical information contained 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.

?2020 AMVAC Chemical Corporation is a wholly owned subsidiary of American Vanguard Corporation. All rights reserved. American Vanguard, AMVAC, FirstRate and respective logos are trademarks owned by AMVAC Chemical Corporation. Prefix and Syngenta are trademarks of Syngenta Group Company. LibertyLink is a trademark of BASF. GT27 is a trademark of M.S. Technologies. Enlist is a trademark of Dow AgroSciences, LLC. Roundup Ready 2 Xtend is a trademark of Monsanto Technology, LLC.

AMVAC’s website is updated regularly and may not contain the most current EPA registered product label or safety data sheet. Please contact your local AMVAC representative to confirm you have current product information. It is the sole responsibility of the end user to read and follow product use directions and to comply with all federal, state or local laws. These products may not be registered in all states and users are advised to confirm that the product is registered in all states of intended use. Important: Always read and follow label instructions.