WILMINGTON, MASSACHUSETTS -- (MARKET WIRE) -- May 25, 2007 -- DUSA Pharmaceuticals, Inc. (NASDAQ GM: DUSA) announced today that it will present at the Friedman, Billings, Ramsey & Co., Inc. 2007 Growth Conference. The presentation is scheduled for 3:50 p.m. EDT on Wednesday, May 30th at the Grand Hyatt Hotel in New York, NY.