CHESHIRE, Conn.--(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).