Director — André Branch: Mr. Branch resigned as a director of the Board, effective immediately.

Other Events. Accelerated Share Repurchase Agreement As part of its previously announced share repurchase plans, on June 8, 2026, Signet Jewelers Limited (the “Company”) entered into a master confirmation and supplemental confirmation (collectively, the “ASR Agreement”) with Goldman Sachs & Co. LLC (“Goldman Sachs”) to repurchase $50 million of the Company’s common shares (the “Common Shares”). Under the ASR Agreement, the Company will make a payment of $50 million to Goldman Sachs on June 8,…

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

Director — Ms. Nancy Reardon: Ms. Nancy Reardon decided not to stand for re-election as a director, and Mr. Jeffrey Gennette was appointed to the Board.

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

Director — Jonathan Seiffer: The resignation of a single board director with no stated disagreement is a standard governance change with low materiality.

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

Costs Associated with Exit or Disposal Activities On May 12, 2025, Signet Jewelers Limited (the "Company") notified employees impacted by the reorganization, which aligns the operating model with the Company's previously announced Grow Brand Love corporate strategy. As part of this strategy, the Company has reorganized its brand structure and certain functional areas primarily within its North America reportable segment, and the Company is optimizing its store fleet by exiting underperforming…

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

President — Oded Edelman: The departure is a mutually agreed transition with a named successor (Corinne Bentzen) already in place, indicating an orderly succession rather than a sudden loss of leadership.

CEO — Virginia “Gina” C. Drosos: The CEO is retiring after 12 years with a pre-announced, named successor (J.K. Symancyk) taking over immediately, indicating an orderly succession rather than a sudden loss of leadership.

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. SIGNET JEWELERS LIMITED Date: August 27, 2024 By: /s/ Joan M. Hilson Name: Joan M. Hilson Title: Chief Financial, Strategy & Services Officer

Entry into a Material Definitive Agreement Amendment to Asset-Based Credit Facility On August 23, 2024, Signet Jewelers Limited (the “Company”) entered into the Fourth Amendment to Credit Agreement (the “Fourth Amendment”), which amends the Company’s senior secured asset-based credit facility (the “ABL”) under that certain Credit Agreement, dated as of September 27, 2019 (as amended by the First Amendment to Credit Agreement, the Second Amendment to Credit Agreement and the Third Amendment to…

The filing discloses an amendment to an equity incentive plan to increase share availability, which is a compensatory arrangement rather than a change in management personnel.

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…

Material Modification to Rights of Security Holders. As previously disclosed, on October 5, 2016, Signet Jewelers Limited (“Signet” or the “Company”) issued 625,000 redeemable Series A Convertible Preference Shares, par value $0.01 per share (“Preferred Shares”), to Green Equity Investors VI, L.P., Green Equity Investors Side VI, L.P., LGP Associates VI-A LLC and LGP Associates VI-B LLC (collectively, the “Preferred Holders”) pursuant to the Investment Agreement, dated as of August 24, 2016,…

Chairman — H. Todd Stitzer: The Chairman is stepping down due to a 12-year tenure limit with a pre-announced internal successor, representing an orderly succession rather than a sudden loss.

and the press release attached to this Current Report on Form 8-K (this "Report") as Exhibit 99.1 is being furnished. In accordance with General Instruction B.2 of Form 8-K, the information in this Report shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as ame…