 ANDOVER, Mass. and BERLIN, July 01, 2021 GLOBE NEWSWIRE -- MKS Instruments, Inc. NASDAQ: MKSI MKS, a global provider of technologies that enable advanced processes and improve productivity, and Atotech Limited NYSE: ATC Atotech, a leading process chemicals technology company and a market leader in advanced electroplating solutions, today announced that they have entered into a definitive agreement pursuant to which MKS will acquire Atotech for 16.20 in cash and 0.0552 of a share of MKS common stock for each Atotech common share. The equity value of the transaction is 5.1 billion and the enterprise value of the transaction is approximately 6.5 billion. 