TRANSACTION AGREEMENT Dated as of the 22nd day of August, 2006, Among WEYERHAEUSER COMPANY, WEYERHAEUSER TIA, INC., WEYERHAEUSER ELI, LLC, WEYERHAEUSER ELI, INC., WEYERHAEUSER CROSBY, INC., WEYERHAEUSER YUKON, INC. and DOMTAR INC.