Costco Wholesale Corporation reported net sales of $7.0 billion for the month of January, the four weeks ended Jan. 29, an increase of 11 percent from $6.30 billion during the similar period last year.

For the first twenty-two-weeks of its reporting period ended Jan. 29, the company reported net sales of $40.18 billion, an increase of 11 percent from $36.08 billion during the similar period last year.

Comparable sales for these periods were as follows:

                                      4 Weeks 22 Weeks
                                     -------- --------

                      U.S.              9%       9%
                      International     6%       9%

                      Total Company     8%       9%
                                     ======== ========

Inflation in gasoline prices had a positive impact on comparable sales, particularly for the twenty-two-week period; foreign currencies had a negative impact for both periods. Excluding these effects, comparable sales for these periods were as follows:

                                      4 Weeks 22 Weeks
                                     -------- --------

                      U.S.              8%       6%
                      International     9%       10%

                      Total Company     8%       7%
                                     ======== ========

Costco currently operates 598 warehouses, including 433 in the United States and Puerto Rico, 82 in Canada, 32 in Mexico, 22 in the United Kingdom, 11 in Japan, eight in Taiwan, seven in Korea and three in Australia.