POWER OF ATTORNEY The undersigned hereby appoints John W. Kapples, and William J. McCall as his or her true and lawful attorneys-in-fact for the purpose of signing Statements on Forms 3, 4 and 5, and all amendments thereto, to be filed with the Securities and Exchange Commission with respect to the holdings, and future changes in such holdings, for the undersigned in securities of GCP Applied Technologies Inc., for the term in which he or she is a director or officer of GCP Applied Technologies Inc. Each of such attorneys-in-fact is appointed with full power to act without the other. /s/ Dean P. Freeman (signature) Dean P. Freeman (printed name) Dated: February 1, 2016