Press Releases
February 25, 2013

Alexion to Present at the Cowen and Company 33rd Annual Health Care Conference

CHESHIRE, Conn.--(BUSINESS WIRE)-- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that Dr. Leonard Bell, Chief Executive Officer of Alexion Pharmaceuticals, will present at the Cowen and Company 33rd Annual Health Care Conference in Boston at 2:10 p.m. Eastern time on Monday, March 4, 2013.

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 An archived version of the remarks will also be available through the Company's web site for a limited time following the conference.

[ALXN-G]

Alexion Pharmaceuticals, Inc.
Irving Adler
Executive Director, Corporate Communications
203-271-8210
or
Alexion Pharmaceuticals, Inc.
Kim Diamond (Media)
Director, Corporate Communications
203-439-9600
or
Rx Communications
Rhonda Chiger (Investors)
917-322-2569

Source: Alexion Pharmaceuticals, Inc.

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