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SELECTIVE INSURANCE GROUP INC

For the period ended Apr 29, 2026. Filed Mar 26, 2026.

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About this filing

What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

Apr 29, 2026 · Filed Mar 26, 2026

Use the contents to explore the available documents and sections.

SIGI$99.44-2.3%Stored close · as of Nov 6, 2026
See the whole filing, with its images and exhibits

VOTING AND PROXY PROCEDURE

HOW DO I VOTE?

If you are the record holder of your shares, you can vote in four ways:

1.BY MAIL (PROXY CARD MUST BE RECEIVED BEFORE THE ANNUAL MEETING):
◾Mark your voting instructions on your proxy card;
◾Sign your name exactly as it appears on your proxy card;
◾Date your proxy card; and
◾Mail your proxy card to us in the provided postage-paid envelope.

Timing is important, so please mail your proxy card promptly. We must receive it before the commencement of the Annual Meeting. If you do not give voting instructions on your signed and mailed proxy card, the named proxies will vote your shares “FOR” each of the director nominees in Proposal 1 and “FOR” each of Proposals 2 and 3.

2.BY TELEPHONE (MAY BE DONE AT ANY TIME UNTIL TUESDAY, APRIL 28, 2026 AT 11:59 PM EASTERN TIME):
◾Call the toll-free number on your proxy card; and
◾Follow the instructions on your proxy card and the voice prompts.

IF YOU VOTE BY TELEPHONE, YOU DO NOT NEED TO RETURN YOUR PROXY CARD.

3.BY INTERNET (MAY BE DONE AT ANY TIME UNTIL TUESDAY, APRIL 28, 2026 AT 11:59 PM EASTERN TIME):
◾Go to the website listed on your proxy card; and
◾Follow the instructions on your proxy card and the website.

IF YOU VOTE BY INTERNET, YOU DO NOT NEED TO RETURN YOUR PROXY CARD.

4.BY VIRTUAL PARTICIPATION (MAY ONLY BE DONE ON WEDNESDAY, APRIL 29, 2026 DURING THE ANNUAL MEETING):
◾Virtually attend the Annual Meeting and vote online during the audiocast.

If your shares are held in our 401(k) plan or employee stock purchase plan, you can vote in any of the above four ways; provided, however, if you choose to vote by telephone (option 2) or by internet (option 3), you must do so before 11:59 PM Eastern Time on SUNDAY, April 26, 2026.

HOW DO I REVOKE MY PROXY OR CHANGE MY VOTING INSTRUCTIONS?

You may revoke your proxy at any time before the proxy is exercised at the Annual Meeting by:

◾Submitting a new vote by telephone, via the Internet, or by returning a properly executed new proxy card bearing a later date. Any subsequent timely and valid vote by any method will change your prior vote. For example, if you voted by telephone, a subsequent Internet vote will change your vote. The vote counted will be the last vote received before 11:59 PM Eastern Time on Tuesday, April 28, 2026 (if you are the record holder of your shares) or 11:59 PM Eastern Time on Sunday, April 26, 2026 (if your shares are held in our 401(k) plan or employee stock purchase plan) – unless you change your vote by virtually attending the Annual Meeting and voting online during the Annual Meeting;

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◾Writing to Selective’s Corporate Secretary, Robyn P. Turner, at 40 Wantage Avenue, Branchville, New Jersey 07890 (such revocation must be received before commencement of the Annual Meeting); and
◾Virtually attending the Annual Meeting and voting online during the audiocast.

HOW WILL PROXIES BE VOTED IF I GIVE MY AUTHORIZATION?

If you (i) properly execute your proxy card and return it to Selective, or (ii) submit your proxy by telephone or via the Internet and do not subsequently revoke your proxy, your shares of common stock will be voted at the Annual Meeting according to your instructions. In the absence of voting instructions, the named proxies will vote your shares “FOR” each of the director nominees in Proposal 1 and “FOR” each of Proposals 2 and 3. If other matters properly come before the Annual Meeting, the named proxies will vote on such matters using their best judgment to the extent permitted by applicable laws, rules, and regulations.

WHAT IF MY SHARES ARE NOT REGISTERED IN MY NAME?

If the Selective stock you own is held in the name of a bank, broker, or other nominee (commonly referred to as holding shares in “street name”), your bank, broker, or other nominee should have provided you access to these proxy materials by mail or e-mail with information on how to submit your voting instructions. If you do not provide voting instructions, the broker, bank, or other holder of record cannot vote your shares on “non-routine” matters but can vote your shares on “routine” matters. “Broker non-votes” occur when a beneficial owner of shares held in street name fails to provide instructions to the broker, bank, or other nominee as to how to vote on matters deemed “non-routine.” We believe the election of directors (Proposal 1) and the advisory (non-binding) vote on the 2025 compensation of Selective’s named executive officers (Proposal 2) are “non-routine” matters, and brokers, banks, or other nominees cannot vote your shares on such proposals if you have not given voting instructions. In these cases, the broker, bank, or other nominee can register your shares as being present at the Annual Meeting for purposes of determining the presence of a quorum but will not be able to vote on those matters for which specific authorization is required under the New York Stock Exchange (“NYSE”) rules that apply to brokers.

HOW WILL VOTES, ABSTENTIONS, AND BROKER NON-VOTES BE COUNTED?

The inspector of election appointed for the Annual Meeting by the Board will separately tabulate affirmative and negative votes, abstentions, and broker non-votes. Shares represented by proxies that reflect abstentions and broker non-votes are counted to determine whether there is a quorum.

The below chart summarizes the required voting standard for each proposal and the impacts of abstentions and broker non-votes.

ProposalVoting Approval StandardEffect of Abstention(1)Effect of Broker Non-Vote(2)
1.Election of DirectorsA nominee for director shall be elected to the Board if the votes cast for such nominee’s election exceed the votes cast against such nominee’s election(3)No effectNo effect
2.Approval, on an Advisory Basis, of the 2025 Compensation of our Named Executive OfficersAffirmative vote of a majority of votes castNo effectNo effect
3.Ratification of the Appointment of Independent Registered Public Accounting FirmAffirmative vote of a majority of votes castNo effectNot applicable

(1) For purposes of determining the number of votes cast concerning a particular matter, only those cast “For” or “Against” are included.

(2) Under NYSE rules that apply to brokers, Proposal 3 is considered a “routine” proposal on which brokers are permitted to vote in their discretion even if the beneficial owners do not provide voting instructions. However, Proposals 1 and 2 are not considered to be routine matters and brokers will not be entitled to vote thereon unless

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beneficial owners provide voting instructions. Accordingly, broker non-votes will not be counted toward the tabulation of votes on Proposals 1 and 2.

(3) Directors shall be elected by a plurality of the votes cast at any meeting of stockholders for which the Secretary of the Company determines that the number of nominees exceeds the number of directors to be elected as of the date seven days prior to the scheduled mailing date of the proxy statement for such meeting.

IMPORTANT NOTICE REGARDING AVAILABILITY OF PROXY MATERIALS FOR THE ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON WEDNESDAY, APRIL 29, 2026

This Proxy Statement and our 2025 Annual Report are available on Selective’s Internet website atwww.Selective.com.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.