KaloBios Pharmaceuticals issues shares of common stock in underwritten public offering

KaloBios Pharmaceuticals, Inc. (KaloBios) (NASDAQ: KBIO) today announced that it is offering to sell shares of its common stock in an underwritten public offering. KaloBios also expects to grant the underwriters a 30-day option to purchase additional shares of its common stock offered in the public offering to cover over-allotments, if any. All of the shares in the offering are to be sold by KaloBios, with net proceeds to be used to develop and advance product candidates through clinical trials, as well as for working capital and general corporate purposes. The offering is subject to market conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering.

Leerink Swann LLC is acting as the sole book-running manager of the offering.  William Blair & Company, L.L.C., Needham & Company LLC, and JMP Securities LLC are acting as co-managers for the offering.

A shelf registration statement on Form S-3 relating to the public offering of the shares of common stock described above was filed with the Securities and Exchange Commission (SEC) and declared effective by the SEC on September 18, 2013. A preliminary prospectus supplement relating to and describing the terms of the offering will be filed with the SEC and will be available on the SEC's web site at www.sec.gov. When available, copies of the preliminary prospectus supplement relating to these securities may also be obtained from the offices of Leerink Swann LLC, Attention: Syndicate Department, One Federal Street, 37th Floor, Boston, MA 02110, or via telephone at (800) 808-7525.

SOURCE KaloBios Pharmaceuticals, Inc.