Exhibit 99.1 LightInTheBox Reports Second Quarter 2023 Financial Results Singapore, September 15, 2023 - LightInTheBox Holding Co., Ltd. (NYSE: LITB) (“LightInTheBox” or the “Company”), an apparel e-commerce retailer that ships products to consumers worldwide, today announced its unaudited financial results for the second quarter ended June 30, 2023. Second Quarter and First Half 2023 Financial Highlights Three Months Ended Year-over- Six Months Ended Year-over- In millions, June 30, June 30, Year % June 30 ...