Alexion Pharmaceuticals, Inc.
Leonard Bell, M.D.
Chief Executive Officer
(203) 272-2596

Noonan/Russo
Matt Haines (Media)
(212) 845-4235

Rx Communications
Rhonda Chiger (Investors)
(917) 322-2569

Alexion to Present at the 25th Annual JP Morgan Healthcare Conference

CHESHIRE, Conn., Jan. 2 -- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN - News) today announced that Dr. Leonard Bell, Chief Executive Officer of Alexion Pharmaceuticals, will present at the 25th Annual JP Morgan Healthcare Conference in San Francisco at 8:30 a.m. local time (11:30 a.m. eastern) on Tuesday, January 9, 2007.

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 An archived version of the remarks will also be available through the Company's web site for a limited time following the conference.

Please Click Here: JP Morgan Webcast to listen to Dr. Bell's presentation