 RADNOR, Pa., March 31, 2021 PRNewswire -- Avantor, Inc. NYSE: AVTR, a leading global provider of mission-critical products and services to customers in the life sciences and advanced technologies applied materials industries, announced that it will release its financial results for the first quarter 2021 after the market closes on Wednesday, April 28, 2021, and will hold a conference call at 5:00 p.m. 