Weyerhaeuser Says Ability To Conduct Business Can Be Significantly Affected By Changes In Tariffs, Duties, From Changes In U.S. And Foreign Trade Policy

March 26 (Reuters) - Weyerhaeuser Co WY.N:

• WEYERHAEUSER- ABILITY TO CONDUCT BUSINESS CAN BE SIGNIFICANTLY AFFECTED BY CHANGES IN TARIFFS, DUTIES, FROM CHANGES IN U.S. AND FOREIGN TRADE POLICY

• WEYERHAEUSER : U.S. TARIFFS ON IMPORTS COULD INCREASE OUR COSTS FOR PRODUCTS & RAW MATERIALS THAT WE USE IN OUR OPERATIONS - ANNUAL REPORT