Alexion Pharmaceuticals, Inc. (NASDAQ: ALXN) today announced financial results for the quarter and year ended December 31, 2012. For the three months ended December 31, 2012, Alexion Pharmaceuticals, Inc. (“Alexion” or the “Company”) reported net product sales of Soliris® (eculizumab) of $320.5 million, compared to $227.6 million for the same period in 2011. The year-on-year increase in net product sales of 41 percent reflected steady additions of new patients with paroxysmal nocturnal hemoglobinuria (PNH) globally, and an increasing number of new patients with atypical Hemolytic Uremic Syndrome (aHUS) commencing Soliris treatment.