EXHIBIT 32

Certification Pursuant to
18 U.S.C. Section 1350
As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes Oxley-Act of 2002, each of the undersigned officers of Weyerhaeuser Company, a Washington corporation (the “Company”), hereby certifies that:

The Company's Annual Report on Form 10-K for the year ended December 31, 2019 and dated February 14, 2020 (the “Form 10-K”) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and the information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company.

	/s/    DEVIN W. STOCKFISH
	Devin W. Stockfish
	President and Chief Executive Officer
Date:	February 14, 2020
	/s/    RUSSELL S. HAGEN
	Russell S. Hagen
	Senior Vice President and Chief Financial Officer
Date:	February 14, 2020