Exhibit 99.1 Wayfair Announces Second Quarter 2024 Results, Reports Best Quarter of Profitability and Cash Flow in Three Years Q2 Net Revenue of $3.1 billion with 22.0 million Active Customers BOSTON, MA — August 1, 2024 — Wayfair Inc. ("Wayfair," "we," or "our") (NYSE: W), one of the world's largest destinations for the home, today reported financial results for its second quarter ended June 30, 2024. Second Quarter 2024 Financial Highlights • Total net revenue of $3.1 billion, decreased $54 million, down ...