Ironwood Pharmaceuticals to Host Fourth Quarter and Full Year 2022 Investor Update Call

February 2, 2023

Ironwood Pharmaceuticals, Inc. (Nasdaq: IRWD) today announced it will host its fourth quarter and full year 2022 investor update conference call and webcast at 8:30 a.m. Eastern Time on Thursday, February 16, 2023. Individuals interested in participating in the call should dial (888) 330-2384 (U.S. and Canada) or (240) 789-2701 (international) using conference ID number and event passcode 4671230. 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 Thursday, February 16, 2023 at approximately 11:30 a.m. Eastern Time, running through 11:59 p.m. Eastern Time on Thursday, March 2, 2023. To listen to the replay, dial (800) 770-2030 (U.S. and Canada) or (647) 362-9199 (international) using conference ID number 4671230. The archived webcast will be available on Ironwood’s website for 14 days beginning approximately one hour after the call has completed.

About Ironwood Pharmaceuticals
Ironwood Pharmaceuticals (Nasdaq: IRWD), an S&P SmallCap 600® company, is a leading gastrointestinal (GI) healthcare company on a mission to advance the treatment of GI diseases and redefine the standard of care for GI patients. We are pioneers in the development of LINZESS® (linaclotide), the U.S. branded prescription market leader for adults with irritable bowel syndrome with constipation (IBS-C) or chronic idiopathic constipation (CIC). Under the guidance of our seasoned industry leaders, we continue to build upon our history of GI innovation and challenge what has been done before to shape what the future holds. We keep patients at the heart of our R&D and commercialization efforts to reduce the burden of GI diseases and address significant unmet needs.

Founded in 1998, Ironwood Pharmaceuticals is headquartered in Boston, Massachusetts.

We routinely post information that may be important to investors on our website at www.ironwoodpharma.com. In addition, follow us on Twitter and on LinkedIn.

Investors:
Greg Martini, 617-374-5230
gmartini@ironwoodpharma.com

Matt Roache, 617-621-8395
mroache@ironwoodpharma.com

Media:
Beth Calitri, 978-417-2031
bcalitri@ironwoodpharma.com

Source: Ironwood Pharmaceuticals, Inc.