Ironwood Pharmaceuticals to Host First Quarter 2026 Investor Update Call

About this update from Ironwood Pharmaceuticals, Inc.

BOSTON, April 30, 2026 --( BUSINESS WIRE )-- Ironwood Pharmaceuticals, Inc. (Nasdaq: IRWD), today announced it will host its first quarter 2026 investor update conference call and webcast at 8:30 a.m. Eastern Time on Thursday, May 7, 2026. Individuals interested in participating in the call should dial (888) 596-4144 (U.S. and Canada) or (646) 968-2525 (international) using conference ID number and event passcode 8188306. To access the webcast, please visit the Investors & Media section of Ironwood’s website at www.ironwoodpharma.com . The call will be available for replay via telephone starting Thursday, May 7, 2026, at approximately 11:30 a.m. Eastern Time, running through 11:59 p.m. Eastern Time on Thursday, May 21, 2026. To listen to the replay, dial (800) 770-2030 (U.S. and Canada) or (609) 800-9909 (international) using conference ID number 8188306. About Ironwood Pharmaceuticals Ironwood Pharmaceuticals (Nasdaq: IRWD) is a biotechnology company developing and commercializing life-changing therapies for people living with gastrointestinal (GI) and rare diseases. Ironwood is advancing apraglutide, a next-generation, long-acting synthetic GLP-2 analog being developed for short bowel syndrome patients who are dependent on parenteral support. In addition, Ironwood has been a pioneer 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). Building upon our history of innovation, we keep patients at the heart of our R&D and commercialization efforts to reduce the burden of diseases and address significant unmet needs. Founded in 1998, Ironwood Pharmaceuticals is headquartered in Boston, Massachusetts, with a site in Basel, Switzerland. We routinely post information that may be important to investors on our website at http://www.ironwoodpharma.com. In addition, follow us on X and on LinkedIn . View source version on businesswire.com: https://www.businesswire.com/news/home/20260430259256/en/ Contacts Company contact: Greg Martini Chief Financial Officer [email protected] Investors: Precision AQ (formerly Stern Investor Relations) Stephanie Ascher [email protected]

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