Costco Wholesale Corporation reported net sales of $3.88 billion for the five weeks ended April 6, 2003, an increase of 12 percent from $3.46 billion in the same five-week period of the prior fiscal year.

For the first 31 weeks of its 2003 fiscal year ended April 6, 2003, the Company reported net sales of $24.33 billion, an increase of 9 percent from $22.36 billion during the comparable period of the prior fiscal year.