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, 2011 on Thursday, July 21, 2011 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 21, 2011, at 10:00 a.m. Eastern Time (ET).