Alexion Pharmaceuticals, Inc. (Nasdaq:ALXN) today announced that the Company will report its financial results for the fourth quarter and year ended December 31, 2013 on Thursday, January 30, 2014 before the US financial markets open. Following the release of the financial results, Alexion management will conduct a conference call and audio web cast on Thursday, January 30, 2014, at 10:00 a.m. Eastern Time (ET).

To participate in this conference call, dial 888-487-0361 (USA) or 719-325-2249 (International), passcode 9926357 shortly before 10:00 a.m. ET. A replay of the call will be available from 1:00 p.m. ET through a limited time thereafter. The replay number is 888-203-1112 (USA) or 719-457-0820 (International), passcode 9926357. The audio web cast can be accessed on the Investor page of www.alexionpharma.com.

[ALXN-G]

Alexion Pharmaceuticals, Inc.
Irving Adler, 203-271-8210
Executive Director
Corporate Communications
or
(Media)
Alexion Pharmaceuticals, Inc.
Kim Diamond, 203-439-9600
Senior Director, Corporate
Communications
or
(Investors)
Rx Communications
Rhonda Chiger, 917-322-2569