Press Releases
September 8, 2009

Alexion to Present at Investor Conferences

CHESHIRE, Conn., Sep 08, 2009 (BUSINESS WIRE) -- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that management will present at two upcoming investor conferences:

Mr. Vikas Sinha, Chief Financial Officer of Alexion, will present at the Thomas Weisel Partners Healthcare Conference 2009 in Boston on Friday, September 11th at 11:30 a.m., Eastern Time.

Dr. Leonard Bell, Chief Executive Officer of Alexion, will present at the Morgan Stanley Global Healthcare Unplugged Conference in New York City on Monday, September 14th at 11:30 a.m., Eastern Time.

An audio webcast of each presentation will be available live. You can access the webcasts at: www.alexionpharm.com. An archived version of the remarks will also be available through the Company's web site for a limited time following the conference.

[ALXN-G]

SOURCE: Alexion Pharmaceuticals, Inc.

Alexion Pharmaceuticals, Inc.
Irving Adler, 203-271-8210
Sr. Director, Corporate Communications
or
Media
Makovsky + Company
Mark Marmur, 212-508-9670
or
Investors
Rx Communications
Rhonda Chiger, 917-322-2569

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