Exhibit 99.1 SIGNET JEWELERS REPORTS THIRD QUARTER FISCAL 2025 RESULTS Q3 Results Within Expectations Preferred Shares Fully Redeemed Updates Fiscal 2025 Guidance HAMILTON, Bermuda, December 5, 2024 – Signet Jewelers Limited ("Signet" or the "Company") (NYSE:SIG), the world's largest retailer of diamond jewelry, today announced its results for the 13 weeks ended November 2, 2024 ("third quarter Fiscal 2025"). "The Signet team delivered Q3 results within our expectations, reflecting a nearly 3-point sequenti ...