Press Releases
January 30, 2007

Alexion To Present At The Merrill Lynch Global Pharmaceutical, Biotechnology and Medical Device Conference

Alexion To Present At The Merrill Lynch Global Pharmaceutical, Biotechnology and Medical Device Conference

Cheshire, CT, January 30, 2007 -- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN) today announced that Dr. Leonard Bell, Chief Executive Officer of Alexion Pharmaceuticals, will present at the Merrill Lynch Global Pharmaceutical, Biotechnology and Medical Device Conference in New York at 4:00 p.m. ET on Tuesday, February 6, 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 An archived version of the remarks will also be available through the Company's web site for a limited time following the conference.