 BOSTON--BUSINESS WIRE--Alexion Pharmaceuticals, Inc. Nasdaq: ALXN today announced that the Company will report its financial results for the first quarter ended March 31, 2021 before the US financial markets open on May 3, 2021. Given the previously announced agreement to be acquired by AstraZeneca, Alexion will not be hosting a conference call. Earnings materials will be made available publicly on the Investor Relations page of our website at Questions may be directe 