Infinity Pharmaceuticals, Inc. (NASDAQ: INFI) today announced that it will be participating in the 14th Annual BIO CEO & Investor Conference on Monday, February 13, 2012, at 3:00 p.m. ET and in the 2012 Citi Global Healthcare Conference on Monday, February 27, 2012, at 11:00 a.m. ET. Both conferences will take place in New York City. A live webcast of these two conferences will be accessible on the “investors/media” section of the company's website, www.infi.com, and will be available for 30 days following the event.

In addition, Infinity will also be attending the UBS Small/Mid-Cap Conference in Boston, February 28-29, 2012. While there is no formal presentation during the UBS Symposium, management will be available for one-on-one meetings during the conference.

About Infinity Pharmaceuticals, Inc.

Infinity is an innovative drug discovery and development company seeking to discover, develop, and deliver to patients best-in-class medicines for difficult-to-treat diseases. Infinity combines proven scientific expertise with a passion for developing novel small molecule drugs that target emerging disease pathways. Infinity’s programs in the inhibition of the Hedgehog pathway, the Hsp90 chaperone system and phosphoinositide-3-kinase are evidence of its innovative approach to drug discovery and development. For more information on Infinity, please refer to the company’s website at www.infi.com.