Item 7.01 Regulation FD Disclosure.

On July 8, 2021, MKS Instruments, Inc. (the "Company") updated its investor presentation relating to its previously announced entry into a definitive agreement (the "Implementation Agreement") with Atotech Limited ("Atotech") on July 1, 2021, providing for, subject to the terms and conditions of the Implementation Agreement, the acquisition of Atotech by the Company. The updated investor deck is available on the Investor Relations page of the Company's website at https://investor.mksinst.com/ and will be used at investor and other meetings. A copy of the updated Investor Presentation is furnished as Exhibit 99.1 and incorporated herein by reference. The Company does not undertake to update this presentation.

The information contained in Item 7.01 of this Current Report and in the accompanying exhibit is being furnished pursuant to Item 7.01 and shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, except as expressly set forth in such filing.

Item 9.01 Financial Statements and Exhibits.




(d) Exhibits



99.1      Investor Presentation dated July 1, 2021 (updated as of July 8, 2021)

104     Cover Page Interactive Data File (embedded within the Inline XBRL document)

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