Dyadic International, Inc. To Present At The Prudential Equity Group, LLC “Inside Our Best Ideas’” Conference On September 27, 2006 At 9:30 a.m. EDT

JUPITER, Fla.--(BUSINESS WIRE)--Sept. 21, 2006--Dyadic International, Inc. (AMEX:DIL), a biotechnology company, announced today that Mark Emalfarb, Dyadic’s President and Chief Executive Officer, will make a presentation at the Prudential Equity Group, LLC “Inside Our Best Ideas” Conference to be held at the Grand Summit Resort Hotel in Mount Snow, Vermont, on September 27-29, 2006. Mr. Emalfarb’s presentation is scheduled for September 27 at 9:30 a.m. EDT.