EXHIBIT 24
POWER OF ATTORNEY
The undersigned hereby appoints WILLIAM C. DOCKMAN, MARK A. SHELNITZ, and SEAN E. DEMPSEY as his/her true and lawful attorneys-in-fact for the purpose of signing the Annual Report on Form 10-K of W. R. GRACE & CO. for the year ended December 31, 2019, and all amendments thereto, to be filed with the Securities and Exchange Commission. Each of such attorneys-in-fact is appointed with full power to act without the others.
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Robert F. Cummings, Jr. | /s/ Robert F. Cummings, Jr. |
Julie Fasone Holder | /s/ Julie Fasone Holder |
Diane H. Gulyas | /s/ Diane H. Gulyas |
Jeffry N. Quinn | /s/ Jeffry N. Quinn |
Kathleen G. Reiland | /s/ Kathleen G. Reiland |
Henry R. Slack | /s/ Henry R. Slack |
Christopher J. Steffen | /s/ Christopher J. Steffen |
Mark E. Tomkins | /s/ Mark E. Tomkins |
Shlomo Yanai | /s/ Shlomo Yanai |
Dated: February 27, 2020