May Comps Up 5% at Costco

Costco Wholesale Corporation reported net sales of $4.11 billion for the four weeks ended May 29, 2005, an increase of 8% from $3.80 billion in the same four-week period of the prior fiscal year.

For the first 39 weeks of its 2005 fiscal year ended May 29, 2005, the Company reported net sales of $38.54 billion, an increase of 10 percent from $35.15 billion during the similar 39-week period of the prior fiscal year.

Comparable sales for the 4-week and 39-week periods ended May 29, 2005, were as follows:

 

                                     4 Weeks        39 Weeks
                                   ------------   ------------
    US                                  3%             6%
    International                      12%            11%

    Total Company                       5%             7%
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