Costco Wholesale Corporation reported net sales of $5.57 billion for the month of January, the five weeks ended February 4, 2007, an increase of 7 percent from $5.21 billion in the same five-week period last year. Comps increased 2% for the month.

For the first twenty-three weeks of its reporting period ended February 4, 2007, the Company reported net sales of $27.80 billion, an increase of 9 percent from $25.43 billion during the similar twenty-three-week period of the prior year. Comps increased 5% for the year-to-date.