JUPITER, Fla.--(BUSINESS WIRE)--Dyadic International, Inc. (AMEX:DIL) announced today that it has received notice from the Listing Qualifications Department staff of the American Stock Exchange ("AMEX") indicating that the Company had failed to regain compliance with AMEX's continued listing standards set forth in Sections 134 and 1101 of the AMEX Company Guide by the November 16, 2007, deadline previously imposed by AMEX because the Company failed to timely file its Quarterly Reports on Form 10-QSB for the periods ended March 31, 2007, June 30, 2007 and September 30, 2007. Accordingly, AMEX has given notice to the Company of AMEX's intent to file a delisting application with the Securities and Exchange Commission to strike the Company's common stock from listing and registration on AMEX. In accordance with applicable AMEX rules, the Company has appealed this determination and requested a hearing before an AMEX Listing Qualifications Panel. There can be no assurance that the Company's appeal will be successful or that the Company's request for continued listing (or any delay in delisting) by AMEX will be granted. The halt on trading in the Company's shares remains in effect at the direction of AMEX, and there can be no assurance that trading will ever resume.