Repligen Corporation (NASDAQ:RGEN) today announced that Walter C. Herlihy, Ph.D., President and Chief Executive Officer, will present a corporate update at the Jefferies 2012 Global Healthcare Conference in New York. The Repligen presentation is scheduled for Wednesday, June 6, at 8:00 a.m. EDT. The presentation will be webcast through the Investors section of Repligen’s corporate website at www.repligen.com. To access the live webcast, please log on through Repligen’s website approximately 15 minutes prior to the presentation. About Repligen Corporation Repligen Corporation is a leading supplier of critical biologic products used to manufacture biologic drugs. Repligen also applies its expertise in biologic product development to RG1068, a synthetic hormone being developed as a novel imaging agent for the diagnosis of a variety of pancreatic diseases. In addition, the Company has two central nervous system (CNS) rare disease programs in Phase 1 clinical trials. Repligen’s corporate headquarters are located at 41 Seyon Street, Building #1, Suite 100, Waltham, MA 02453. This press release contains forward-looking statements which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Investors are cautioned that statements in this press release which are not strictly historical statements, including, without limitation, statements identified by words like “believe,” “expect,” “may,” “will,” “should,” “seek,” or “could” and similar expressions, constitute forward-looking statements. Such forward-looking statements are subject to a number of risks and uncertainties that could cause actual results to differ materially from those anticipated including the risks detailed in Repligen’s most recent annual report on Form 10-K on file with the Securities and Exchange Commission and the other reports that Repligen periodically files with the Securities and Exchange Commission. Actual results may differ materially from those Repligen contemplated by these forward-looking statements. These forward looking statements reflect management’s current views and Repligen does not undertake to update any of these forward looking statements to reflect a change in its views or events or circumstances that occur after the date hereof except as required by law.