X0306 4 2015-10-19 0000106535 WEYERHAEUSER CO WY 0001595794 Hunter Rhonda D P. O. BOX 9777 FEDERAL WAY WA 98063-9777 1 Sr. Vice President Common 2015-10-19 4 S 0 4567.0000 29.3400 D 37211.0000 D Common 632.0000 I By 401(k) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September, 2015. Reported holdings include shares acquired in dividend reinvestment transactions. /s/ Jacqueline W. Hawn, Attorney-in-fact 2015-10-21