NOTE 15: FAIR VALUE OF FINANCIAL INSTRUMENTS

The fair value of our long-term debt was $7.6 billion as of December 30, 2007. This included:

• $6.8 billion of Weyerhaeuser long-term debt; and
• $778 million of Real Estate long-term debt.

To estimate the fair value of long-term debt, we use either of these two measures:

• quoted market prices for the same types and issues of debt; or
• discounted value of the future cash flows using market yields for the same type and comparable issues of debt.

Fair Value and Carrying Value of Our Long-Term Debt