DIM Sartorius Stedim Biotech SA

MKS Instruments, Inc. (NASDAQ:MKSI), a global provider of technologies that enable advanced processes and improve productivity, today announced that it has completed the sale of its Data Analytics Solutions business to Sartorius Stedim Biotech (Euronext Paris:DIM), a leading supplier to the biopharmaceutical industry, for $72.5 million on a cash and debt-free basis.

MKS Data Analytics Solutions is a software business based in Malmö, Sweden that MKS acquired in 2006.  The business develops and markets multivariate data analysis and modeling software particularly used by biotechnology and pharmaceutical companies and generated revenue of approximately $13 million in 2016.

About MKS InstrumentsMKS 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 and information technology, ozone generation and delivery, RF & DC power, reactive gas generation, vacuum technology, 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.

Company Contact:  Seth H. Bagshaw
Vice President, Chief Financial Officer and Treasurer
Telephone:  978.645.5578

Investor Relations Contact:  The Blueshirt Group
Monica Gould
Telephone:  212.871.3927
Email:  monica@blueshirtgroup.com

Lindsay Savarese
Telephone:  212.331.8417
Email:  lindsay@blueshirtgroup.com