CHESHIRE, Conn.--(BUSINESS WIRE)--Alexion Pharmaceuticals, Inc. (Nasdaq: ALXN), today announced that the Company will report its financial results for the fourth quarter and full year ended December 31, 2010 on Thursday, February 10, 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, February 10, 2011, at 10:00 a.m. Eastern Time (ET).