 ANDOVER, Mass., March 08, 2021 GLOBE NEWSWIRE -- MKS Instruments, Inc. NASDAQ: MKSI, a global provider of technologies that enable advanced processes and improve productivity, today confirmed that it had submitted a revised offer on Friday March 5, 2021 to acquire all outstanding shares of Coherent, Inc. for 250 per share, composed of 135 in cash and 115 in shares of MKS common stock subject to a symmetrical 10 collar. 