ARIAD Announces Webcast of Its Investor & Analyst Day.

CAMBRIDGE, Mass. -- ARIAD Pharmaceuticals, Inc. (NASDAQ: ARIA) today announced that its Investor & Analyst Day event will be held on February 15, 2007 and will be webcast live. The webcast can be accessed by visiting the investor relations section of the Company's website at http://www.ariad.com. The Investor & Analyst Day event also can be accessed by dialing [phone] (domestic) or [phone] (international) five minutes prior to the start time and providing the passcode 89801363.

The Investor & Analyst Day will begin at 8:00 a.m. (EST) in New York City and will feature interactive discussions with the ARIAD senior management team as well as with leading oncology experts specializing in the fields of sarcomas and leukemias. A replay will be available on the ARIAD website approximately two hours after the presentation and will be archived for thirty days.

About ARIAD

ARIAD is engaged in the discovery and development of breakthrough medicines to treat cancer by regulating cell signaling with small molecules. The Company is developing a comprehensive approach to patients with cancer that addresses the greatest medical need - aggressive and advanced-stage cancers for which current treatments are inadequate. Medinol Ltd. also is developing stents and other medical devices that deliver ARIAD's lead cancer product candidate to prevent reblockage at sites of vascular injury following stent-assisted angioplasty. ARIAD has an exclusive license to pioneering technology and patents related to certain NF-[eth][bar]B treatment methods, and the discovery and development of drugs to regulate NF-[eth][bar]B cell-signaling activity, which may be useful in treating certain diseases. Additional information about ARIAD can be found on the web at http://www.ariad.com.

Some of the matters discussed herein are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements are identified by the use of words such as "may", "anticipate," "estimate," "expect," "project," "intend," "plan," "believe," and other words and terms of similar meaning in connection with any discussion of future operating or financial performance. Such statements are based on management's expectations and are subject to certain factors, risks and uncertainties that may cause actual results, outcome of events, timing and performance to differ materially from those expressed or implied by such forward-looking statements. These risks include, but are not limited to, risks and uncertainties regarding our ability to accurately estimate the timing and actual R&D expenses and other costs associated with the preclinical and clinical development and manufacture of our product candidates, the adequacy of our capital resources and the availability of additional funding, risks and uncertainties regarding our ability to manufacture or have manufactured our product candidates on a commercial scale, risks and uncertainties regarding our ability to successfully recruit centers, enroll patients and conduct clinical studies of product candidates, risks and uncertainties that clinical trial results at any phase of development may be adverse or may not be predictive of future results or lead to regulatory approval of any of our or any partner's product candidates, risks and uncertainties of third-party intellectual property claims relating to our and any partner's product candidates, risks and uncertainties related to the potential acquisition of or other strategic transaction regarding the minority stockholders' interests in our 80%-owned subsidiary, ARIAD Gene Therapeutics, Inc., and risks and uncertainties relating to regulatory oversight, the timing, scope, cost and outcome of legal and patent office proceedings concerning our NF-[eth][bar]B patent portfolio, future capital needs, key employees, dependence on collaborators and manufacturers, markets, economic conditions, products, services, prices, reimbursement rates, competition and other factors detailed in the Company's public filings with the Securities and Exchange Commission (SEC), including ARIAD's Quarterly Report on Form 10-Q for the period ended September 30, 2006, as updated from time to time in our subsequent periodic and current reports filed with the SEC. The information contained in this document is believed to be current as of the date of original issue. The Company does not intend to update any of the forward-looking statements after the date of this document to conform these statements to actual results or to changes in the Company's expectations, except as required by law.