David Ebersman Joins Ironwood Board of Directors - Facebook CFO and Former Genentech CFO

CAMBRIDGE, Mass., Sept. 14 /PRNewswire/ -- Ironwood Pharmaceuticals, Inc. today announced that David Ebersman has joined the Company's Board of Directors. Mr. Ebersman is the chief financial officer of Facebook. He served at Genentech from 1994-2009 in a number of senior positions, including executive vice president and chief financial officer, senior vice president of product operations, vice president of product development, and project team leader for Avastin((R)), Genentech's breakthrough cancer therapy.

"We are thrilled to have David join our board. He is owner-oriented, exceptionally strategic, and committed to fostering an environment with a high degree of integrity. He also brings broad industry experience that will enrich our Board deliberations," said Peter Hecht, CEO of Ironwood.

Mr. Ebersman has an A.B. in economics and international relations from Brown University and is a fellow in the Henry Crown Fellowship Program.

SOURCE Ironwood Pharmaceuticals, Inc.

CONTACT: Susan Brady, Corporate Communications of Ironwood
Pharmaceuticals, +1-617-621-8304, sbrady@ironwoodpharma.com

Web site: http://www.ironwoodpharma.com/