Exhibit 99.1 Wayfair Announces Fourth Quarter and Full Year 2023 Results, Returns to Positive Year-Over-Year Active Customer Growth Q4 Net Revenue of 3.1billionwith22.4millionActiveCustomersBOSTON,MA—February22,2024—WayfairInc.(“Wayfair,”“we,”or“our”)(NYSE:W),oneoftheworld’slargestdestinationsforthehome,todayreportedfinancialresultsforitsfourthquarterandfullyearendedDecember31,2023.FourthQuarter2023FinancialHighlights•Totalnetrevenueof3.1 billion inc ...