Forward-Looking StatementAny statements in this press release about future expectations, plans and prospects for Merrimack constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995, as amended. Actual results may differ materially from those indicated by such forward-looking statements. Merrimack anticipates that subsequent events and developments will cause its views to change. However, while Merrimack may elect to update these forward-looking statements at some point in the future, Merrimack specifically disclaims any obligation to do so. Contact: Kathleen Petrozzelli Gallagher, Merrimack, 617-441-1043, firstname.lastname@example.org Liz Bryan, Spectrum, 202-955-6222, email@example.com SOURCE Merrimack Pharmaceuticals, Inc.