The Medicines Company announced that it has appointed Paris Panayiotopoulos to its Board of Directors. Mr. Panayiotopoulos, who will serve as a Class I director, will stand for election at the Company's 2017 Annual Meeting of Stockholders. With the appointment of Mr. Panayiotopoulos, the Company's Board of Directors comprises 11 directors, 10 of whom are independent and three of whom were appointed in the last two years. Mr. Panayiotopoulos was most recently the President and Chief Executive Officer and a member of the Board of Directors of ARIAD Pharmaceuticals Inc.