Ironwood Pharmaceuticals, Inc. (NASDAQ: IRWD) will present a corporate update at the Credit Suisse 25 th Annual Healthcare Conference on Tuesday, November 8th, 2016 at 2:00 p.m. Mountain Time/4:00 p.m. Eastern Time at The Phoenician in Scottsdale, Arizona. 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 time 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 a commercial biotechnology company focused on creating medicines that make a difference for patients, building value for our fellow shareholders, and empowering our passionate team. We are advancing a pipeline of innovative medicines in areas of significant unmet need, including irritable bowel syndrome with constipation (IBS-C)/chronic idiopathic constipation (CIC), uncontrolled gout, refractory gastroesophageal reflux disease, and vascular and fibrotic diseases. We discovered, developed and are commercializing linaclotide, the U.S. branded prescription market leader in the IBS-C/CIC category, and we are applying our proven R&D and commercial capabilities to advance multiple internally-developed and externally-accessed product opportunities. Ironwood was founded in 1998 and is headquartered in Cambridge, Mass. For more information, please visit www.ironwoodpharma.com or www.twitter.com/ironwoodpharma; information that may be important to investors will be routinely posted in both these locations.