Ironwood Pharmaceuticals Announces First Quarter 2010 Investor Update Call and Upcoming Presentation at Bank of America Merrill Lynch 2010 Health Care Conference

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Ironwood Pharmaceuticals, Inc. (NASDAQ: IRWD) today announced it will issue its first quarter 2010 investor update after the U.S. financial markets close on Tuesday, May 11, 2010. In connection with this announcement, Ironwood will host a conference call and webcast at 4:30 p.m. Eastern Time on Wednesday, May 12, 2010. Individuals interested in participating in the call should dial (888) 686-9681 (U.S. and Canada) or (913) 312-1451 (international) using conference ID number 1030465. To access the webcast, please visit the Investors section of Ironwood’s website at www.ironwoodpharma.com at least 15 minutes prior to the start of the call to ensure adequate time for any software downloads that may be required. The call will be available for replay via telephone starting May 12, 2010 at 7:30 p.m. Eastern Time, running through 11:59 p.m. Eastern Time on May 26, 2010. To listen to the replay, dial (888) 203-1112 (U.S. and Canada) or (719) 457-0820 (international) using conference ID number 1030465. An archived version of the event will be available on Ironwood’s website for 14 days beginning approximately one hour after the call.

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