Exhibit 99.1 Vipshop Reports Unaudited First Quarter 2024 Financial Results Conference Call to Be Held at 7:30 A.M. U.S. Eastern Time on May 22, 2024 Guangzhou, China, May 22, 2024 — Vipshop Holdings Limited (NYSE: VIPS), a leading online discount retailer for brands in China ("Vipshop" or the "Company"), today announced its unaudited financial results for the quarter ended March 31, 2024. First Quarter 2024 Highlights • Total net revenues for the first quarter of 2024 increased by 0.4% year over year to RM ...