Press Releases
May 5, 2011

Alexion to Present at Bank of America Merrill Lynch 2011 Health Care Conference

CHESHIRE, CT--(BUSINESS WIRE)-- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that Dr. Leonard Bell, Chief Executive Officer of Alexion Pharmaceuticals, will present at the Bank of America Merrill Lynch 2011 Health Care Conference in Las Vegas at 8:30 a.m. Pacific (11:30 a.m. Eastern) on Thursday, May 12, 2011.

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 An archived version of the remarks will also be available through the Company's web site for a limited time following the conference.

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

Source: Alexion Pharmaceuticals, Inc.

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