 BILLERICA, Mass.--BUSINESS WIRE--Entegris, Inc. NASDAQ: ENTG, today reported its financial results for the Companys first quarter ended April 3, 2021. First-quarter sales were 512.8 million, an increase of 24 from the same quarter last year. First-quarter GAAP net income was 84.7 million, or 0.62 per diluted share, which included 11.9 million of amortization of intangible assets and 2.0 million of integration costs. Non-GAAP net income was 95.5 million for the first-quarter and non- 