MKS Instruments Declares Quarterly Cash Dividend

ANDOVER, Mass., Feb. 13, 2018 -- MKS Instruments, Inc. (NASDAQ:MKSI), a global provider of technologies that enable advanced processes and improve productivity, today announced that its board of directors has authorized a quarterly cash dividend of $0.18 per share, payable on March 9, 2018 to shareholders of record as of February 26, 2018.

Future dividend declarations, as well as the record and payment dates for such dividends, are subject to the final determination of the company's Board of Directors.

About MKS Instruments
MKS Instruments, Inc. is a global provider of instruments, subsystems and process control solutions that measure, control, power, monitor, and analyze critical parameters of advanced manufacturing processes to improve process performance and productivity.  Our products are derived from our core competencies in pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, residual gas analysis, leak detection, control technology, ozone generation and delivery, RF & DC power, reactive gas generation, vacuum technology, lasers, photonics, sub-micron positioning, vibration isolation, and optics.  Our primary served markets include semiconductor capital equipment, general industrial, life sciences, and research.  Additional information can be found at www.mksinst.com.

Forward-Looking Statements
This release contains projections or other forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27 of the Securities Act, and Section 21E of the Securities Exchange Act regarding MKS' future growth and the future financial performance of MKS.  These projections or statements are only predictions. Actual events or results may differ materially from those in the projections or other forward-looking statements set forth herein.  Readers are referred to MKS' filings with the Securities and Exchange Commission, including its most recent Annual Report on Form 10-K and Quarterly Reports on Form 10-Q for a discussion of these and other important risk factors concerning MKS and its operations.  MKS is under no obligation to, and expressly disclaims any obligation to, update or alter its forward-looking statements, whether as a result of new information, future events or otherwise.

Company Contact:  Seth H. Bagshaw
Senior Vice President, Chief Financial Officer and Treasurer
Telephone:  978.645.5578
Email:  [email protected]

Investor Relations Contact:  The Blueshirt Group
Monica Gould
Telephone:  212.871.3927
Email:  [email protected]

Lindsay Savarese
Telephone: 212-331-8417
Email: [email protected]