Andover, Mass., April 29, 2016 — MKS Instruments, Inc. (NASDAQ:MKSI), a global provider of technologies that enable advanced processes and improve productivity, today announced the completion of its previously announced acquisition of all of the issued and outstanding common shares of Newport Corporation, a worldwide leader in photonics solutions, for $23.00 per share, or approximately $905 million, and repayment of approximately $93 million of Newport’s U.S. indebtedness.