EXHIBIT 23
Consent of Independent Registered Public Accounting Firm
We hereby consent to the incorporation by reference in the Registration Statements on Form S‑8 (Nos. 333-224767, 333-194171) of W. R. Grace & Co. of our report dated February 27, 2020 relating to the financial statements and financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.
/s/ PricewaterhouseCoopers LLP
Baltimore, Maryland
February 27, 2020