Type	Name	Date
Employment agreement	Amendment to Employment Agreement, by and between MKS Instruments, Inc. and James A. Schreiner	10/29/2021
Employment agreement	Employment Agreement, between John Lee and the Registrant	11/20/2019
Equity incentive plans	2014 Stock Incentive Plan	05/06/2014
Separation agreement	Separation Agreement between the Company and Leo Berlinghieri	10/24/2013
Employment agreement	Employment Agreement between the Company and Gerald G. Colella	10/24/2013