IMMEDIATE John W. Jackson Thomas Redington Chairman & CEO 203/222-7399 908/271-4119 212/926-1733 CELGENE COMPLETES $25 MILLION PRIVATE PLACEMENT ----------------------------------------------- WARREN, NJ MAR 13 -- Celgene Corporation (Nasdaq: CELG) announced it completed a $25 million Regulation D placement of Series A Convertible Preferred Stock. Celgene officials said the proceeds will be used to fund research and development for the company's pharmaceutical programs and for working capital. Celgene said the Series A Convertible Preferred Stock and the shares of common stock issuable upon its conversion have not been registered under the Securities Act of 1933, as amended (the 'Act'), and may not be offered or sold absent registration under the Act or an applicable exemption from the registration requirements under the Act. Celgene intends to file a registration statement covering the resale of the underlying shares of common stock in April 1996. Cash and marketable securities at December 31, 1995, would have been $35.5 million with the inclusion of the net proceeds from the private placement. Swartz Investments of Atlanta, GA acted as placement agent. Celgene Corporation, headquartered in Warren, NJ, uses proprietary expertise in small molecule chemistry to service the pharmaceutical and allied industries. 3/13/96