Attached files

file filename
EX-31.(I).1 - EXHIBIT 31(I).1 - W R GRACE & COa1q18exhibit31i1.htm
10-Q - 10-Q - W R GRACE & COa1q18form10-q.htm
EX-95 - EXHIBIT 95 - W R GRACE & COa1q18exhibit95.htm
EX-32 - EXHIBIT 32 - W R GRACE & COa1q18exhibit32.htm
EX-31.(I).2 - EXHIBIT 31(I).2 - W R GRACE & COa1q18exhibit31i2.htm
EX-10.2 - EXHIBIT 10.2 - W R GRACE & COa1q18exhibit102.htm
EX-10.1 - EXHIBIT 10.1 - W R GRACE & COa1q18exhibit101.htm
EX-4.2 - EXHIBIT 4.2 - W R GRACE & COa1q18exhibit42.htm
Exhibit 15





May 9, 2018


Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Commissioners:

We are aware that our report dated May 9, 2018 on our review of interim financial information of W. R. Grace & Co., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in its Registration Statements on Form S-8 dated May 12, 2000, April 28, 2011, May 2, 2013, February 27, 2014, February 23, 2017 and May 9, 2018.


Very truly yours,



/s/ PricewaterhouseCoopers LLP
Baltimore, Maryland