COSTCO JUNE NET SALES SURGE 10.6% TO $29.24 BLN FOR FIVE WEEKS ENDED JULY 5; FIRST 44-WEEK NET SALES ADVANCE 10.1% TO $250.43 BLN; U.S. COMPARABLE SALES UP 10.6%, CANADA UP 3.7%; DECLARES DIVIDEND OF $1.47 PER SHARE
