Achillion to Present at the Leerink Partners 5th Annual Global Healthcare Conference

Achillion Pharmaceuticals, Inc.

(Nasdaq:ACHN) announced today that Milind Deshpande, Ph.D., President and Chief Executive Officer of Achillion, will present a corporate overview at the Leerink Partners 5th Annual Global Healthcare Conference on Thursday, February 11, 2016, at 11:35 a.m. ET at the Waldorf Astoria Hotel in New York, NY.

The live audio and subsequent archived webcasts of the Company's presentations will be accessible from the Company's investor relations website, http://ir.achillion.com. The audio recording will be archived for 30 days following the live presentation. Please connect to Achillion's website several minutes prior to the start of the presentation to ensure adequate time for any software downloads that may be necessary.

About Achillion Pharmaceuticals

Achillion Pharmaceuticals, Inc. (NASDAQ:ACHN) is a science-driven, patient-focused company seeking to leverage its strengths across the continuum from discovery to commercialization in its goal of providing better treatments for people with serious diseases. The company seeks to employ a highly-disciplined discovery and development approach that has allowed it to pursue best-in-class oral antiviral therapy for chronic hepatitis C (HCV) and build a platform of potent and specific complement inhibitors. Achillion is rapidly advancing its efforts to become a fully-integrated pharmaceutical company with a goal of bringing life-saving medicines to patients with rare diseases. More information is available at http://www.achillion.com.

Investors:Glenn SchulmanAchillion Pharmaceuticals, Inc.Tel. (203) [e-mail]

Media:Liz PowerAchillion Pharmaceuticals, Inc.Tel: (203) [e-mail]