On August 17, 2022, MKS Instruments, Inc. (the Company) completed its previously announced acquisition of Atotech Limited (Atotech), through the acquisition of the entire issued and to be issued share capital of Atotech by Atotech Manufacturing, Inc. (Bidco) (the Acquisition). On August 17, 2022, immediately following closing of the Acquisition, Geoff Wild's appointment as a Class III Director of the Company became effective. Prior to the closing of the Acquisition, Mr. Wild was the President and Chief Executive Officer and a director of Atotech.