Bellicum Pharmaceuticals Prices Initial Public Offering of 7,350,000 Shares of Common Stock

Bellicum Pharmaceuticals, Inc., a biopharmaceutical company focused on discovering and developing novel cellular immunotherapies, today announced the pricing of its initial public offering of 7,350,000 shares of its common stock, an increase of 1,100,000 shares from the number of shares originally offered, at a public offering price of $19.00 per share. All of the shares of common stock are being offered by Bellicum. The Company's common stock has been approved for listing on the NASDAQ Global Market and is expected to begin trading today (December 18, 2014) under the ticker symbol "BLCM." In addition, Bellicum has granted the underwriters a 30-day option to purchase up to an additional 1,102,500shares of common stock at the offering price.

Jefferies LLC, Citigroup Global Markets Inc. and Piper Jaffray & Co. are acting as joint book running managers for the offering and Trout Capital LLC is acting as co-manager for the offering.

A registration statement relating to these securities was declared effective by the Securities and Exchange Commission on December 17, 2014. This offering will be made only by means of a prospectus, copies of which may be obtained from Jefferies LLC, Attention: Equity Syndicate Prospectus Department, 520 Madison Avenue, 2nd Floor, New York, NY 10022, by telephone at (877) 547-6340, or by e-mail at Prospectus_Department@Jefferies.com; Citigroup Global Markets Inc., c/o Broadridge Financial Solutions, 1155 Long Island Avenue, Edgewood, NY 11717, by email at prospectus@citi.com, or by telephone at 1-800-831-9146; or Piper Jaffray & Co., Attention: Equity Capital Markets, 800 Nicollet Mall, J12S03, Minneapolis, MN 55402, or by telephone at 800-747-3924 or by e-mail at prospectus@pjc.com.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or other jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction.

About Bellicum Pharmaceuticals

Bellicum is a clinical stage biopharmaceutical company focused on discovering and developing novel cellular immunotherapies for various forms of cancer, including hematological cancers and solid tumors, as well as orphan inherited blood disorders. The Company is using its proprietary Chemical Induction of Dimerization, or CID, technology platform to engineer and control components of the immune system in real time. The Company is developing next-generation product candidates in some of the most important areas of cellular immunotherapy, including hematopoietic stem cell transplantation, or HSCT, CAR T cell therapy, and dendritic cell vaccines.