Dyadic's Amex Listing Will Be Continued Pursuant To An Extension

Amex Listing Will Be Continued Pursuant To An Extension

Fla - July 9, 2007 - Dyadic International, Inc. (AMEX: DIL) announced today

it has received notice from The American Stock Exchange (the "Amex") that

Amex listing is being continued pursuant to an extension.

21, 2007, the Company announced that on May 17, 2007, it had received notice

from the Amex indicating that the Company is currently in violation of

Amex's continued listing standards specified in Sections 134 and 1101 of the

Amex Company Guide because the Company had yet to file with the Securities

Exchange Commission ("SEC") its Form 10-QSB for the quarter ended March 31,

2007. The Amex's notice further indicated that the Company had to submit a plan

to the Amex by June 18, 2007, advising the Amex on action it has taken,

take, that will enable the Company to regain compliance with these continued

listing standards by no later than November 16, 2007.

18, 2007, the Company submitted a plan of compliance to the Amex. The Amex

completed its review of the plan and has determined that, in accordance

Section 1009 of the Amex Company Guide, the plan makes a reasonable

demonstration of the Company's ability to regain compliance with the continued

listing standards by the end of the plan period, which has been determined

no later than November 16, 2007.

has agreed to continue the Company's listing conditioned upon, among other

things, the Company demonstrating progress consistent with the plan prior

targeted completion date of November 16, 2007. However, the Amex, consistent

with its obligations and responsibilities as a self-regulatory organization,

initiate immediate delisting proceedings against the Company as appropriate

the public interest during the plan period despite its conditional continued

Company will not be deemed to have regained compliance with the Amex continued

listing standards, and trading in the Company's common stock will not resume

the Amex, until the Company is current with the filing of its SEC quarterly

reports and other SEC periodic reports.

end of the plan period, November 16, 2007, the Company must be in compliance

with all of the Amex continued listing standards, including being current

the above SEC filings. Failure to regain compliance by November 16, 2007,

likely result in the Amex initiating delisting proceedings against the

pursuant to Section 1009 of the Company Guide.

International, Inc. is a biotechnology company that uses its patented and

proprietary technologies to conduct research and development activities

discovery, development, and manufacture of products and enabling solutions

the bioenergy, industrial enzyme and pharmaceutical industries.

Statement for Forward-Looking Statements

statements contained in this press release are "forward-looking statements."

These forward-looking statements involve risks and uncertainties that could

cause our actual results, performance or achievements to be materially

from any future results, performance or achievements expressed or implied

such forward-looking statements. For a discussion of these risks and

uncertainties, please see our filings from time to time with the Securities

Exchange Commission, which are available free of charge on the SEC's web

http://www.sec.gov, including our Annual Report on Form 10-KSB for the

ended December 31, 2006, and our subsequent filings with the SEC. Except

required by law, we expressly disclaim any intent or obligation to update

forward-looking statements.

(Sasha) Bondar, 561-743-8333

Berkman, 310-826-5051