Press Releases
November 10, 2006

Alexion to Present at the 2006 Credit Suisse Healthcare Conference

Alexion to Present at the 2006 Credit Suisse Healthcare Conference

CHESHIRE, Conn., Nov. 10, 2006 -- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN - News) today announced that Dr. Leonard Bell,Chief Executive Officer of Alexion Pharmaceuticals, will present at the 2006 Credit Suisse Healthcare Conference in Phoenix at 8:00 a.m. local time (10:00 a.m., eastern) on Friday, November 17, 2006.

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 An archived version of the remarks will also be available through the Company's web site for a limited time following the conference.