Agios Pharmaceuticals to Webcast Conference Call of Second Quarter 2014 Financial Results on August 7, 2014

Agios Pharmaceuticals, Inc. (Nasdaq:AGIO), a leader in the fields of cancer metabolism and inborn errors of metabolism, today announced that it will host a conference call and live webcast on Thursday, August 7, 2014 at 8:30 a.m. EDT to report its second quarter 2014 financial results and discuss recent business activities.

The live webcast can be accessed under "Events & Presentations" in the Investors and Media section of the company's website at www.agios.com. The conference call can be accessed by dialing 1-877-377-7098 (domestic) or 1-631-291-4547 (international) and refer to conference ID 78621204. The webcast will be archived and available for replay on the company's website beginning approximately two hours after the event.

About Agios Pharmaceuticals, Inc.

Agios Pharmaceuticals is focused on discovering and developing novel drugs to treat cancer and inborn errors of metabolism, or IEMs, which are rare genetic metabolic diseases, through scientific leadership in the field of cellular metabolism. In addition to an active research and discovery pipeline across both therapeutic areas, Agios has multiple first-in-class lead product candidates in cancer metabolism and IEMs in clinical and/or preclinical development. All Agios programs focus on genetically identified patient populations, leveraging our knowledge of metabolism, biology and genomics. For more information, please visit our website at www.agios.com.

CONTACT: Agios Pharmaceuticals:
         Lora Pike
         Senior Director, Investor Relations and Public Relations
         [e-mail]