Press Releases
November 4, 2008

Alexion to Present at Investor Conferences

CHESHIRE, Conn., Nov 04, 2008 /PRNewswire-FirstCall via COMTEX News Network/ -- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that Leonard Bell, M.D., Chief Executive Officer of Alexion Pharmaceuticals, will present at two upcoming investor conferences, one sponsored by Deutsche Bank and the other by Credit Suisse.

Dr. Bell will present at Deutsche Bank's DB-Biotech Boston Confab Conference in Boston at 1:05 p.m. Eastern Time, on Tuesday, November 11, 2008. Dr. Bell will also present at the 2008 Credit Suisse Healthcare Conference in Phoenix at 8:00 a.m. local time (10:00 a.m. Eastern Time), on Thursday, November 13, 2008.

An audio webcast of Dr. Bell's remarks from both conferences will be available live on Alexion's web site at www.alexionpharm.com. An archived version of the remarks will also be available on the web site for a limited time following the conference.

[ALXN-G]

SOURCE Alexion Pharmaceuticals, Inc.

http://www.alexionpharm.com

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