ARIAD Confirms Receipt of Sarissa Capital Management’s Nomination of Director Candidates

ARIAD Pharmaceuticals, Inc. (NASDAQ: ARIA) today confirmed that it has received notice of nomination by Sarissa Capital Management LP of two director candidates for election at the 2015 Annual Meeting. ARIAD has no further comment at this time.

About ARIAD

ARIAD Pharmaceuticals, Inc., headquartered in Cambridge, Massachusetts and Lausanne, Switzerland, is an integrated global oncology company focused on transforming the lives of cancer patients with breakthrough medicines. ARIAD is working on new medicines to advance the treatment of various forms of chronic and acute leukemia, lung cancer and other difficult-to-treat cancers. ARIAD utilizes computational and structural approaches to design small-molecule drugs that overcome resistance to existing cancer medicines. For additional information, visit http://www.ariad.com or follow ARIAD on Twitter (@ARIADPharm).