Ironwood Pharmaceuticals to Host Fourth Quarter 2012 Investor Update Call

Ironwood Pharmaceuticals, Inc. (NASDAQ: IRWD) today announced it will host its fourth quarter 2012 investor update conference call and webcast at 8:30 a.m. Eastern Time on Tuesday, January 15, 2013. Individuals interested in participating in the call should dial (877) 643-7155 (U.S. and Canada) or (914) 495-8552 (international) using conference ID number 83300312. 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.