Achillion to Present at Two Upcoming Investor Conferences

Achillion to Present at Two Upcoming Investor Conferences

NEW HAVEN, Conn., March 1, 2013 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals,
Inc. (Nasdaq:ACHN) today announced that members of the senior management team
will be presenting a company overview at two upcoming investor conferences:

  oCowen and Company 33^rd Annual Health Care Conference on Monday, March 4,
    2013 at 2:50 p.m. ET at The Boston Marriott Copley Place in Boston, MA;
  oBarclay Global Healthcare Conference on Wednesday, March 13, 2013 at 8:00
    a.m. ET at the Loews Miami Hotel in Miami, FL.

The live audio broadcasts and the subsequent archived webcasts of the
Company's presentations will be available on the Company's website,, 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 hepatitis C
and resistant bacterial infections. For more information on Achillion
Pharmaceuticals, please visit or call 1-203-624-7000.

CONTACT: Company Contact:
         Glenn Schulman
         Achillion Pharmaceuticals, Inc.
         Tel. (203) 624-7000
         Mary Kay Fenton
         Achillion Pharmaceuticals, Inc.
         Tel. (203) 624-7000
         Christin Culotta Miller
         Ogilvy PR
         Tel. (212) 880-5264
         Seth Lewis
         The Trout Group, LLC
         Tel. (646) 378-2952
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