[DEFA14A] Signet Jewelers Limited Additional Proxy Soliciting Materials

Rhea-AI Filing Summary

Signet Jewelers (NYSE: SIG) issued a Supplement to its May 19, 2025 proxy ahead of the July 1, 2025 Annual Meeting.

Key change: director nominee Jonathan Seiffer will resign immediately after the meeting and is withdrawn from the slate, reducing the Board from 12 to 11 members. The company states the resignation is not driven by any disagreement with policies or operations.

Previously submitted proxies remain valid; votes cast for Seiffer will be disregarded. All other nominees and agenda items are unaffected. Shareholders may still modify or revoke their votes per the instructions in the original proxy.

Positive

• None.

Negative

• Unexpected resignation of director Jonathan Seiffer reduces the board from 12 to 11 members effective after the 2025 Annual Meeting.

Insights

Corporate Governance Expert

TL;DR: One director exits; governance impact modest but notable.

Seiffers resignation eliminates an experienced voice and trims the Board to 11. Because the company cites no disagreement, the move signals routine succession rather than turmoil. Still, fewer independent perspectives could marginally affect oversight depth. Investors should watch for committee reallocations and any skill-set gaps that emerge post-meeting.

Proxy Advisor

TL;DR: Proxy logistics unchanged; revote unnecessary.

Operationally, the update is clean: existing proxy cards stay valid and votes for Seiffer will simply not be counted. Turnout risk is low because no ballot re-issue is required. Governance best practice generally favors odd-number boards, so moving from 12 to 11 aligns with that standard, partially offsetting concerns about the sudden vacancy.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a)

of the Securities Exchange Act of 1934

Filed by the Registrant     x         Filed by a Party other than the Registrant     ¨

Check the appropriate box:

¨			Preliminary Proxy Statement
¨			Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
¨			Definitive Proxy Statement
ý			Definitive Additional Materials
¨			Soliciting Material Pursuant to §240.14a-12

SIGNET JEWELERS LIMITED

(Name of Registrant as Specified In Its Charter)

Payment of Filing Fee (Check all boxes that apply):

ý			No fee required
¨			Fee paid previously with preliminary materials
¨			Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

SUPPLEMENT TO THE PROXY STATEMENT DATED MAY 19, 2025 FOR THE ANNUAL GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON JULY 1, 2025

The following disclosures, dated June 27, 2025 (this “Supplement”), supplement the definitive proxy statement on Schedule 14A (the “Proxy Statement”) of Signet Jewelers Limited (the “Company”), filed with the Securities and Exchange Commission (“SEC”) on May 19, 2025 in connection with the solicitation of proxies by the Company’s Board of Directors (the “Board”) for the annual general meeting of shareholders (the "Annual Meeting") and any adjournment thereof.

Withdrawal of Nominee for Election to the Board of Directors

On June 27, 2025, the Company announced that Jonathan Seiffer, a member of the Board, resigned from the Board effective immediately following the conclusion of the Annual Meeting. In connection with Mr. Seiffer’s resignation, the size of the Board will be reduced from 12 to 11 members effective immediately following the conclusion of the Annual Meeting. Mr. Seiffer’s decision to resign was not due to any disagreement with the Company on any matter, including relating to its operations, policies or practices.

Mr. Seiffer was included as a Director Nominee in the Company’s definitive proxy statement and proxy card for the Annual Meeting. In connection with his resignation, Mr. Seiffer is no longer a nominee for re-election to the Board at the Annual Meeting, and the Company’s proxy materials are hereby amended to remove Mr. Seiffer as a nominee for consideration at the Annual Meeting. The Company’s remaining slate of nominees is otherwise unchanged. Previously voted proxies remain valid, other than with respect to Mr. Seiffer and the Company’s shareholders eligible to vote at the Annual Meeting may continue to use their proxy cards to vote their shares as to the Board’s remaining nominees and the other matters being voted on at the Annual Meeting.

Additional Information

If you have already returned your proxy card or provided voting instructions, you do not need to take any action unless you wish to change your vote. Proxies already returned by shareholders will remain valid and will be voted at the Annual Meeting unless revoked. Proxies received in respect of the re-election of Mr. Seiffer will not be voted with respect to his election but will continue to be voted as directed or otherwise as set forth therein and described in the Proxy Statement with respect to all other matters properly brought before the Annual Meeting. If you have not yet returned your proxy card or submitted your voting instructions, please complete the proxy card or submit instructions, disregarding Mr. Seiffer’s name as a nominee for election as director. Information regarding how to vote your shares, or revoke your proxy or voting instructions, is available in the Proxy Statement under the section entitled “Shareholder Q&A”.

None of the other agenda items presented in the Proxy Statement are affected by this Supplement, and shares represented by proxy cards returned before the Annual Meeting will be voted with respect to all other matters properly brought before the Annual Meeting as instructed on such proxy cards.

Except as described in this Supplement, the information disclosed in the Proxy Statement continues to apply. To the extent that information in this Supplement differs from information disclosed in the Proxy Statement, the information in this Supplement applies. This Supplement has been filed with the SEC and is also available at www.proxyvote.com and www.proxydocs.com/SIG.

Sincerely,

Matt Shady

Corporate Secretary

FAQ

Why did Jonathan Seiffer resign from Signet Jewelers' board (SIG)?

The filing states Seiffers June 27, 2025 resignation was not due to any disagreement with the companys operations, policies or practices.

Does Seiffers resignation change the number of SIG directors?

Yes. The board size will drop from 12 to 11 immediately after the July 1, 2025 Annual Meeting.

Do SIG shareholders need new proxy cards because of the board change?

No. Previously submitted proxies remain valid; votes for Seiffer will simply not be counted.

Are other agenda items for SIGs 2025 Annual Meeting affected?

No. All other nominees and proposals remain unchanged according to the supplement.

How can SIG shareholders change their vote after the supplement?

They may revoke or amend instructions using methods detailed in the original proxy’s “Shareholder Q&A” section.