JUPITER, Fla., May 9, 2011 - Dyadic International, Inc. ("Dyadic") (OTC Pink: DYAI), a global biotechnology company focused on the discovery, development, manufacture and sale of enzyme and protein products for the bioenergy, industrial enzyme and biopharmaceutical industries, today announced that Jan Wery, Ph.D., Science Director of Dyadic’s research and development center in The Netherlands, will be making a presentation entitled, Efficient Saccharification of Lignocellulosic Feedstocks Using the C1 Technology Platform, at the World Congress on Industrial Biotechnology & Bioprocessing (Track 1: Advanced Biofuels Technology) on Wednesday, May 11, 2011 at 9:00 a.m. ET. Following this event, the presentation will be available on Dyadic’s website at www.dyadic.com.

About Dyadic

Dyadic International, Inc. is a global biotechnology company that uses its patented and proprietary technologies to conduct research, development and commercial activities for the discovery, development, manufacture and sale of enzyme and protein products for the bioenergy, industrial enzyme and biopharmaceutical industries.

Cautionary Statement for Forward-Looking Statements

Certain statements contained in this press release are forward-looking statements. These forward-looking statements involve risks and uncertainties that could cause Dyadic's actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Except as required by law, Dyadic expressly disclaims any intent or obligation to update any forward-looking statements.

Contact:

Dyadic International, Inc.

Adam J. Morgan

Vice President General Counsel & Business Development

Phone: 561-743-8333

Email:  amorgan@dyadic.com