About AMAGAMAG Pharmaceuticals, Inc. is a specialty pharmaceutical company that manufactures and markets Feraheme® (ferumoxytol) Injection for Intravenous (IV) use in the United States. Along with driving organic growth of its lead product, AMAG intends to expand its portfolio with additional commercial-stage specialty pharmaceuticals. The company is seeking complementary products that leverage the company’s commercial footprint and focus on hematology and oncology centers and hospital infusion centers. For additional company information, please visit www.amagpharma.com. About Feraheme® (ferumoxytol)/Rienso In the United States, Feraheme® (ferumoxytol) Injection for Intravenous (IV) use is indicated for the treatment of iron deficiency anemia in adult chronic kidney disease (CKD) patients. Feraheme received marketing approval from the U.S. Food and Drug Administration on June 30, 2009 and was commercially launched by AMAG in the U.S. shortly thereafter. Ferumoxytol received marketing approval in Canada in December 2011, where it is marketed by Takeda as Feraheme®, and in the European Union in June 2012 and Switzerland in August 2012, where it is marketed by Takeda as Rienso®. For additional product information, please visit www.feraheme.com. Forward-looking Statements This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 and other federal securities laws. Any statements contained herein which do not describe historical facts, including but not limited to statements regarding: the market for Feraheme; the approval of the supplemental new drug application Feraheme for a broader patient population; Mr. Madison’s contributions to AMAG and the intended expansion and focus of AMAG’s product portfolio; the company’s intent to drive organic growth of Feraheme; and the company’s plans to seek complementary commercial products to add to its portfolio are forward-looking statements which involve risks and uncertainties that could cause actual results to differ materially from those discussed in such forward-looking statements.