ISSAQUAH, WASH (
, the warehouse retailer, said same-store sales in April rose 11% while net sales gained 13% to $5.83 billion from $5.18 billion a year earlier.
Costco said April included 28 days compared with 27 days in the same month of 2009. Easter fell in April 2009. Costco said the calendar shift positively impacted April 2010's total and comparable sales by about 2% to 3%.
U.S. same-store sales in April rose 6%; international sales rose 29%, Costco said.
The retailer said excluding inflation in gasoline prices and strengthening foreign currencies same-store sales in April rose 4%.
-- Reported by Joseph Woelfel in New York.
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