Exhibit 99.1 THE TILE SHOP REPORTS FIRST QUARTER 2024 RESULTS MINNEAPOLIS – May 9, 2024 – Tile Shop Holdings, Inc. (Nasdaq: TTSH) (the “Company”), a specialty retailer of natural stone, man-made and luxury vinyl tiles today announced results for its first quarter ended March 31, 2024. First Quarter 2024 Summary Net Sales Decreased 10.1% Comparable Store Sales Decreased 10.2% Gross Margin of 65.8% Net Income of $1.7 Million and Adjusted EBITDA of $7.4 Million Diluted Earnings per Share of $0.04 Cash Provided ...