WILMINGTON, MASSACHUSETTS -- (MARKET WIRE) -- 06/08/2006 -- DUSA Pharmaceuticals, Inc. (NASDAQ NMS: DUSA) announced today that it has filed a registration statement on Form S-3 with the Securities and Exchange Commission in accordance with the terms of its merger agreement with Sirius Laboratories, Inc. The registration statement covers the resale, from time to time, of the 2,396,245 shares of common stock which DUSA previously issued to the former Sirius shareholders in connection with the merger. The shareholders are currently subject to lock-up provisions as provided in the merger agreement. These provisions are not affected by this filing or the timing of the effectiveness of the registration statement.
