Costco(COST) - 2026 Q2 - Quarterly Results

Exhibit 99.1 Press Release COSTCO WHOLESALE CORPORATION REPORTS SECOND QUARTER AND YEAR-TO-DATE OPERATING RESULTS FOR FISCAL 2026 AND FEBRUARY SALES RESULTS ISSAQUAH, Wash., March 5, 2026 - Costco Wholesale Corporation ("Costco" or the "Company") (Nasdaq: COST) today announced its operating results for the second quarter (twelve weeks) and the first 24 weeks of fiscal 2026, ended February 15, 2026. Net sales for the quarter increased 9.1 percent, to $68.24 billion, from $62.53 billion last year. Net sales f ...