ARIAD to Host Conference Call and Webcast Discussion of First Quarter 2013 Financial Results on May 7, 2013

April 25, 2013

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Apr. 23, 2013 ARIAD Pharmaceuticals, Inc. (NASDAQ: ARIA) today announced that it will report its first quarter 2013 financial results on Tuesday, May 7, 2013, before the market opens. Following the announcement, at 8:30 a.m. Eastern Time, company management will host a conference call and webcast discussion of the results and provide a general corporate update.

The live webcast can be accessed by visiting the investor relations section of the Company’s website at http://investor.ariad.com. The call can be accessed by dialing 866- 515-2914 (domestic) or 617-399-5128 (international) five minutes prior to the start time and providing the pass code 43738421. A replay of the call will be available on the ARIAD website approximately two hours after completion of the call and will be archived for three weeks.

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).

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