Cubist Pharmaceuticals Completes Acquisition Of Calixa Therapeutics

Lexington, Mass., December 16, 2009 -- Cubist Pharmaceuticals, Inc. (NASDAQ: CBST) a leading acute care therapeutics company has completed its previously announced acquisition of Calixa Therapeutics Inc., a biopharmaceutical company focused on the development of novel antibiotics that address the expanding problem of multi drug resistant Gram negative pathogens. Cubist's agreement to acquire Calixa was announced in a press release issued on Dec. 14th, 2009.

To learn more, please visit http://www.cubist.com.