Ironwood Pharmaceuticals, Inc. (NASDAQ: IRWD) will present at the Credit Suisse 2010 Healthcare Conference on Thursday, November 11, 2010 at 11:30 a.m. Mountain Time / 1:30 p.m. Eastern Time at the Arizona Biltmore in Phoenix.

A live webcast of Ironwood’s presentation will be accessible through the Investors section of the company’s website at www.ironwoodpharma.com. To access the webcast, please log on to the Ironwood website approximately 15 minutes prior to the start of the presentation to ensure adequate time for any software downloads that may be required. A replay of the webcast will be available on Ironwood’s website for 14 days following the conference.

About Ironwood Pharmaceuticals

Ironwood Pharmaceuticals (NASDAQ: IRWD) is an entrepreneurial pharmaceutical company dedicated to the art and science of great drugmaking. Linaclotide, Ironwood’s GC‐C agonist, is being evaluated in a confirmatory Phase 3 program for the treatment of irritable bowel syndrome with constipation (IBS‐C) and chronic constipation. Ironwood also has a growing pipeline of additional drug candidates in earlier stages of development. Ironwood is located in Cambridge, Mass. To learn more, visit www.ironwoodpharma.com.