Ironwood Pharmaceuticals to Host First Quarter 2013 Investor Update Call

Ironwood Pharmaceuticals, Inc. (NASDAQ: IRWD) today announced it will host its first quarter 2013 investor update conference call and webcast at 8:30 a.m. Eastern Time on Tuesday, April 23, 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 30336328. 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.