ARIAD to Present at the 12th Annual BIO CEO & Investor Conference

ARIAD Pharmaceuticals, Inc. (NASDAQ: ARIA) today announced that it will present at the 12^th Annual BIO CEO & Investor Conference being held at the Waldorf=Astoria Hotel in New York City, New York. Harvey J. Berger, M.D., chairman and chief executive officer at ARIAD, will provide an overview of the Company and its progress in key programs on Monday, February 8, 2010 at 3:30 p.m. (ET). Dr. Berger also will participate in a panel discussion titled, "Connecting the Dots on Sarcoma Treatments” at 12:00 p.m. (ET).

The ARIAD presentation will be webcast live and can be accessed by visiting the investor relations section of the Company's website at http://www.ariad.com/investor. A replay of the presentation will be available on the ARIAD website approximately twenty-four hours after the presentation and will be archived for three weeks.

About the BIO CEO & Investor Conference

Now in its twelfth year, the BIO CEO & Investor Conference 2010 is the largest investor conference focused on the biotechnology industry. The conference provides a forum for public and private equity investors, research analysts, investment bankers and senior-level industry executives to learn about and discuss investment trends and investment opportunities in the biotechnology industry. This year’s conference will feature corporate presentations from more than 120 companies, workshops featuring leading experts on specific therapeutic and technology topics, plenary and panel sessions on timely business issues and industry trends, many opportunities to schedule one-on-one meetings, as well as numerous networking opportunities. For more information, visit www.ceo.bio.org.

About ARIAD

ARIAD’s vision is to transform the lives of cancer patients with breakthrough medicines. The Company’s mission is to discover, develop and commercialize small-molecule drugs to treat cancer in patients with the greatest and most urgent unmet medical need – aggressive cancers where current therapies are inadequate. ARIAD’s lead product candidate, ridaforolimus, is an investigational mTOR inhibitor in Phase 3 clinical development in patients with advanced sarcomas and is being developed in collaboration with Merck & Co., Inc. ARIAD’s second internally discovered product candidate, AP24534, is an investigational pan-BCR-ABL inhibitor completing Phase 1 clinical development in patients with hematological cancers, notably chronic myeloid leukemia. ARIAD has an exclusive license to pioneering technology and patents related to certain NF-?B cell-signaling activity, which may be useful in treating certain diseases. For additional information about the Company, please visit http://www.ariad.com.