MKS Instruments Scheduling Investor Meetings at Semicon West

ANDOVER, Mass., June 3, 2010 /PRNewswire via COMTEX/ --MKS Instruments, Inc. (Nasdaq: MKSI), a leading global provider of critical technologies to improve productivity in advanced, high growth markets, announced today that Leo Berlinghieri, CEO and President, will be available for investor meetings during Semicon West, July 13-15, 2010. To schedule a meeting, contact Janet Giddings at 978-645-5530 or email janet_giddings@mksinst.com.

MKS Instruments, Inc. is a leading, global provider of technologies to power, control, deliver, monitor, measure and analyze advanced processes in high growth applications. Our primary served markets are manufacturers of capital equipment for thin film applications including semiconductor devices, flat panel displays, light emitting diodes (LEDs), solar cells, data storage media and coatings, as well as medical equipment; energy generation and environmental monitoring processes; biopharm and other industrial manufacturing; and university, government and industrial research laboratories.

SOURCE MKS Instruments, Inc.