Costco Comps Climb 6% in November

Costco Wholesale Corporation reported net sales of $4.45 billion for the month of November, an increase of 9% from $4.08 billion in the same four-week period of the prior fiscal year.

For the first 13 weeks of its fiscal year ended November 27, 2005, the Company reported net sales of $13.85 billion, an increase of 12 percent from $12.40 billion during the similar 13-week period of the prior fiscal year.

Comparable sales for the 4-week and 13-week periods ended November 27, 2005, were as follows:

                               4 Weeks        13 Weeks
                             ------------  --------------
        US                        6%             9%
        International             5%             9%

        Total Company             6%             9%
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