Press Releases
April 24, 2008

Alexion to Present at the Morgan Stanley Global Healthcare Unplugged Conference

CHESHIRE, Conn., April 24, 2008 /PRNewswire-FirstCall via COMTEX News Network/ -- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that Dr. Leonard Bell, Chief Executive Officer of Alexion Pharmaceuticals, will present at the Morgan Stanley Global Healthcare Unplugged Conference in Key Biscayne, Florida at 5:00 p.m. ET on Thursday, May 1, 2008.

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 An archived version of the remarks will also be available through the Company's web site for a limited time following the conference.

SOURCE Alexion Pharmaceuticals, Inc.

http://www.alexionpharm.com

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