In conjunction with the definitive proxy statement, the Company has sent a letter to stockholders outlining the Company's attractive positioning and path forward under its leadership team and its response to the proxy solicitation initiated by activist hedge fund Cruiser Capital Advisors LLC ("Cruiser"). The Board of Directors of American Vanguard urges stockholders to sign and return the Company's WHITE proxy card and disregard any proxy card received from Cruiser. The letter sent to stockholders highlights the following points: The full text of the letter is as follows: April 29, 2022 Dear American Vanguard Stockholders, On behalf of the Board of Directors (the "Board"), we are writing to you because New York-based hedge fund Cruiser Capital ("Cruiser") – a relatively new stockholder in our Company – is attempting to replace three members of your Board who are integral to the continued execution of our strategy and our future growth.