Ra Pharmaceuticals to Present at the Cowen and Company 38th Annual Health Care Conference

Ra Pharmaceuticals, Inc. (NASDAQ:RARX), a clinical stage biopharmaceutical company focusing on the development of next-generation therapeutics for the treatment of complement-mediated diseases, today announced that Doug Treco, Ph.D., President and Chief Executive Officer, will present at the Cowen and Company 38th Annual Health Care Conference on Wednesday, March 14, 2018 at 8:40 a.m. E.T. The conference is being held at the Boston Marriott Copley Place.

A live webcast of the presentation can be accessed by visiting the investor relations section of the Company’s website, www.rapharma.com. A replay of the presentation will also be available and archived on the site for three weeks.

About Ra Pharmaceuticals

Ra Pharmaceuticals is a clinical stage biopharmaceutical company focusing on the development of next-generation therapeutics for complement-mediated diseases. The Company discovers and develops peptides and small molecules to target key components of the complement cascade. For more information, please visit: www.rapharma.com.

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for Ra Pharmaceuticals, Inc.Investors:Argot PartnersNatalie Wildenradt, [e-mail]:Argot PartnersDavid Rosen, [e-mail]