ALXN - Alexion Pharmaceuticals Inc. 2021 Q1 - Results - Earnings Call Presentation April, 30 2021 11:54 AM Alexion Pharmaceuticals Inc. The following slide deck was published by Alexion Pharmaceuticals, Inc. in conjunction with their 2021 Q1 earnings call. For further details see: Alexion Pharmaceuticals, Inc. 2021 Q1 - Results - Earnings Call Presentation