Alexion Pharmaceuticals to Report Third Quarter 2009 Results on October 22, 2009

• Press Release
• Source: Alexion Pharmaceuticals, Inc.
• On 10:00 am EDT, Monday October 12, 2009

CHESHIRE, Conn.--(BUSINESS WIRE)--Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN - News), today announced that the Company will report its financial results for the third quarter ended September 30, 2009 on Thursday, October 22, 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, October 22, 2009, at 10:00 a.m. Eastern Time (ET).

To participate in this conference call, dial 719-457-2677, confirmation code 9630484 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 9630484. The audio web cast can be accessed at: www.alexionpharm.com.

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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