Press Releases
July 9, 2009

Alexion Pharmaceuticals to Report Second Quarter 2009 Results on July 23, 2009

CHESHIRE, Conn., Jul 09, 2009 (BUSINESS WIRE) -- Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN), today announced that the Company will report its financial results for the second quarter ended June 30, 2009 on Thursday, July 23, 2009 before the financial markets open. Following the release of the financial results, Alexion management will conduct a conference call and audio web cast on Thursday, July 23, 2009, at 10:00 a.m. Eastern Time (ET).

To participate in this conference call, dial 719-325-4808, confirmation code 9347125 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 719-457-0820, confirmation code 9347125. The audio web cast can be accessed at: www.alexionpharm.com.

[ALXN-G]

SOURCE: Alexion Pharmaceuticals, Inc.

Alexion Pharmaceuticals, Inc.
Irving Adler, 203-271-8210
Sr. Director, Corporate Communications
or
Makovksy + Company (Media)
Mark Marmur, 212-508-9670
or
Rx Communications (Investors)
Rhonda Chiger, 917-322-2569

Copyright Business Wire 2009