Achillion to Present at Two Upcoming Investor Conferences

Achillion to Present at Two Upcoming Investor Conferences

NEW HAVEN, Conn., Nov. 30, 2012 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals,
Inc. (Nasdaq:ACHN) announced today that members of the senior management team
will present at the following investor conferences during the month of
December:

  oDeutsche Bank 2012 dbAccess BioFEST Conference on Monday, December 3, 2012
    at 11:20 a.m. EST at the Four Seasons Hotel in Boston, MA;
    
  oOppenheimer 23^rd Annual Healthcare Conference on Thursday, December 13,
    2012 at 2:10 p.m. EST at the Waldorf=Astoria in New York City, NY.

The live audio broadcasts and the subsequent archived webcasts of the
Company's presentations will be available on the Company's website,
http://www.achillion.com, under the "News Center" section. 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 is an innovative pharmaceutical company dedicated to bringing
important new treatments to patients with infectious disease. Achillion's
proven discovery and development teams have advanced multiple product
candidates with novel mechanisms of action. Achillion is focused on solutions
for the most challenging problems in infectious disease including HCV and
resistant bacterial infections. For more information on Achillion
Pharmaceuticals, please visit www.achillion.com or call 1-203-624-7000.

CONTACT: Company Contact:
         Glenn Schulman
         Achillion Pharmaceuticals, Inc.
         Tel. (203) 624-7000
         gschulman@achillion.com
        
         Investors:
         Mary Kay Fenton
         Achillion Pharmaceuticals, Inc.
         Tel. (203) 624-7000
         mfenton@achillion.com
 
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