Alexion To Present At The 24th Annual Piper Jaffray Healthcare Conference

Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that Dr. Leonard Bell, Chief Executive Officer of Alexion Pharmaceuticals, will present at the 24 th Annual Piper Jaffray Healthcare Conference in New York City at 2:30 p.m. Eastern time on Wednesday, November 28, 2012.

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 An archived version of the remarks will also be available through the Company’s web site for a limited time following the conference.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

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