Alexion to Present at the Cowen and Company 31st Annual Health Care Conference

Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that Dr. Leonard Bell, Chief Executive Officer of Alexion Pharmaceuticals, will present at the Cowen and Company 31st Annual Health Care Conference in Boston, Massachusetts at 1:45 p.m., Eastern on Monday, March 7, 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 An archived version of the remarks will also be available through the Company’s web site for a limited time following the conference.

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