SIGIP / Selective Insurance Group, Inc. - Preferred Stock - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

Selective Insurance Group, Inc. - Preferred Stock
US ˙ NasdaqGS ˙ US8163005031

Statistik Asas
LEI 549300R3WGJWLE40R258
CIK 230557
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Selective Insurance Group, Inc. - Preferred Stock
SEC Filings (Chronological Order)
Halaman ini menyediakan senarai kronologi lengkap bagi Pemfailan SEC, tidak termasuk pemfailan pemilikan yang kami sediakan di tempat lain.
July 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) July 30, 2025 SELECTIVE INSURANCE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) July 30, 2025 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Com

July 30, 2025 EX-99.1

Selective Director Steps Down to Focus on Founder Role

Exhibit 99.1 Selective Director Steps Down to Focus on Founder Role Branchville, NJ - July 30, 2025 – Wole Coaxum informed Selective Insurance Group, Inc. (“Selective”) today of his resignation from the Board of Directors (“Board”), effective immediately. Mr. Coaxum’s decision to resign from the Board relates to other professional responsibilities – not any disagreement with the Company regarding

July 25, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SE

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

July 23, 2025 EX-99.2

FINANCIAL SUPPLEMENT SECOND QUARTER 2025 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT SECOND QUARTER 2025 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Exchange Act of

July 23, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) July 23, 2025 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Com

July 23, 2025 EX-99.4

GAAP LINE OF BUSINESS SUPPLEMENT HISTORICAL INFORMATION MARCH 2023 THROUGH MARCH 2025 TABLE OF CONTENTS Page General Liability 3 Commercial Automobile 4 Commercial Property 5 Workers Compensation 6 Businessowners’ Policies (BOP) 7 Bonds 8 Commercial

Exhibit 99.4 GAAP LINE OF BUSINESS SUPPLEMENT HISTORICAL INFORMATION MARCH 2023 THROUGH MARCH 2025 TABLE OF CONTENTS Page General Liability 3 Commercial Automobile 4 Commercial Property 5 Workers Compensation 6 Businessowners’ Policies (BOP) 7 Bonds 8 Commercial Other 9 Total Standard Commercial Lines 10 Personal Automobile 11 Personal Homeowners 12 Personal Other 13 Total Standard Personal Lines

July 23, 2025 EX-99.3

INVESTOR PRESENTATION Second Quarter 2025 Copyright © 2025 by Selective Insurance Group, Inc. All rights reserved. Exhibit 99.3 SAFE HARBOR STATEMENT We make certain statements and reference other information in this presentation that are “forward-lo

INVESTOR PRESENTATION Second Quarter 2025 Copyright © 2025 by Selective Insurance Group, Inc.

July 23, 2025 EX-99.1

Selective Reports Second Quarter 2025 Results Net Income per Diluted Common Share of $1.36 and Non-GAAP Operating Income1 per Diluted Common Share of $1.31; Return on Common Equity ("ROE") of 10.7% and Non-GAAP Operating ROE1 of 10.3%

Exhibit 99.1 Selective Reports Second Quarter 2025 Results Net Income per Diluted Common Share of $1.36 and Non-GAAP Operating Income1 per Diluted Common Share of $1.31; Return on Common Equity ("ROE") of 10.7% and Non-GAAP Operating ROE1 of 10.3% In the second quarter of 2025: •Net premiums written ("NPW") increased 5% from the second quarter of 2024; •The GAAP combined ratio was 100.2%, compared

July 1, 2025 EX-10.1

Credit Agreement, dated as of June 30, 2025, among Selective, the Lenders, and the Administrative Agent.

Exhibit 10.1 CREDIT AGREEMENT among SELECTIVE INSURANCE GROUP, INC., as Borrower, THE LENDERS NAMED HEREIN and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent $100,000,000 Revolving Credit Facility WELLS FARGO SECURITIES, LLC Sole Lead Arranger and Sole Lead Bookrunner Dated as of June 30, 2025 Table of Contents Page ARTICLE I DEFINITIONS Section 1.1 Defined Terms 1 Section 1.2 Acc

July 1, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) June 30, 2025 SELECTIVE INSURANCE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) June 30, 2025 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Com

May 13, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 9, 2025 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Commi

May 13, 2025 EX-99.1

Selective Insurance Announces the Planned Retirement of Brenda M. Hall, Standard Lines EVP and COO, after 24 Years of Progressing Leadership

Exhibit 99.1 FOR IMMEDIATE RELEASE Selective Insurance Announces the Planned Retirement of Brenda M. Hall, Standard Lines EVP and COO, after 24 Years of Progressing Leadership Branchville, NJ – May 13, 2025 – Selective Insurance Group, Inc. (NASDAQ: SIGI) today announced that Brenda M. Hall, Executive Vice President and Chief Operating Officer, Standard Lines, has decided to retire effective Janua

May 1, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) April 30, 2025 SELECTIVE INSURANCE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) April 30, 2025 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Co

April 25, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

April 23, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) April 23, 2025 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Co

April 23, 2025 EX-99.3

INVESTOR PRESENTATION First Quarter 2025 Copyright © 2025 by Selective Insurance Group, Inc. All rights reserved. Exhibit 99.3 SAFE HARBOR STATEMENT We make certain statements and reference other information in this presentation that are “forward-loo

INVESTOR PRESENTATION First Quarter 2025 Copyright © 2025 by Selective Insurance Group, Inc.

April 23, 2025 EX-99.1

Selective Reports First Quarter 2025 Results First Quarter Net Income per Diluted Common Share and Non-GAAP Operating Income1 per Diluted Common Share of $1.76; Return on Common Equity ("ROE") and Non-GAAP Operating ROE1 of 14.4%

Exhibit 99.1 Selective Reports First Quarter 2025 Results First Quarter Net Income per Diluted Common Share and Non-GAAP Operating Income1 per Diluted Common Share of $1.76; Return on Common Equity ("ROE") and Non-GAAP Operating ROE1 of 14.4% In the first quarter of 2025: •Net premiums written ("NPW") increased 7% from the first quarter of 2024; •The GAAP combined ratio was 96.1%, compared to 98.2

April 23, 2025 EX-99.2

FINANCIAL SUPPLEMENT FIRST QUARTER 2025 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT FIRST QUARTER 2025 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1

March 26, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ 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)

February 25, 2025 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) February 20, 2025 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

February 25, 2025 EX-1.1

Underwriting Agreement, dated February 20, 2025, between Selective Insurance Group, Inc. and Goldman Sachs & Co. LLC, BofA Securities, Inc. and Wells Fargo Securities, LLC, as representatives of the several underwriters named therein.

Exhibit 1.1 Execution Version SELECTIVE INSURANCE GROUP, INC. (a New Jersey corporation) $400,000,000 5.900% Senior Notes due 2035 UNDERWRITING AGREEMENT February 20, 2025 Goldman Sachs & Co. LLC BofA Securities, Inc. Wells Fargo Securities, LLC as Representatives of the several Underwriters named in Schedule A hereto, c/o Goldman Sachs & Co. LLC 200 West Street New York, New York 10282 c/o BofA S

February 25, 2025 EX-4.2

Third Supplemental Indenture, dated as of February 25, 2025, between Selective Insurance Group, Inc. and U.S. Bank Trust Company, National Association, as Trustee.

Exhibit 4.2 Execution Version THIRD SUPPLEMENTAL INDENTURE BETWEEN SELECTIVE INSURANCE GROUP, INC., as Issuer AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee Dated as of February 25, 2025 5.900% SENIOR NOTES DUE 2035 TABLE OF CONTENTS Page Article I DEFINITIONS 1 1.1 Definition of Terms 1 Article II TERMS AND CONDITIONS OF THE SENIOR NOTES 4 2.1 Designation and Principal Amount 4 2.2

February 24, 2025 EX-FILING FEES

Table 1: Newly Registered and Carry Forward Securities

Calculation of Filing Fee Tables S-3 SELECTIVE INSURANCE GROUP INC Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt 5.

February 24, 2025 424B2

$400,000,000 5.900% Senior Notes due 2035

TABLE OF CONTENTS  Filed Pursuant to Rule 424(b)(2)  Registration No. 333-279815 PROSPECTUS SUPPLEMENT Dated February 20, 2025 (To Prospectus dated May 30, 2024) $400,000,000 5.900% Senior Notes due 2035 We are offering $400,000,000 aggregate principal amount of 5.900% Senior Notes due 2035 (the “notes”). Interest on the notes will accrue from, and including, February 25, 2025 and will be paid sem

February 20, 2025 424B5

Subject to Completion Preliminary Prospectus Supplement dated February 20, 2025

TABLE OF CONTENTS The information in this preliminary prospectus supplement and the accompanying prospectus is not complete and may be changed.

February 20, 2025 FWP

5.900% Senior Notes due 2035 Term Sheet February 20, 2025

Issuer Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement No.

February 10, 2025 EX-99.1

Glossary of Terms Exhibit 99.1 Accident Year: accident year reporting focuses on the cost of the losses that occurred in a given year regardless of when reported. These losses are calculated by adding all payments that have been made for those losses

Glossary of Terms Exhibit 99.1 Accident Year: accident year reporting focuses on the cost of the losses that occurred in a given year regardless of when reported. These losses are calculated by adding all payments that have been made for those losses occurring in a given calendar year (regardless of the year in which they were paid) to any current reserve that remains for losses that occurred in t

February 10, 2025 EX-24.9

POWER OF ATTORNEY

Exhibit 24.9 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-19

SELECTIVE INSURANCE GROUP, INC. INSIDER TRADING POLICY

Exhibit 19 SELECTIVE INSURANCE GROUP, INC. INSIDER TRADING POLICY Introduction This Insider Trading Policy (“Policy”) explains the requirements and procedures all employees, officers, and directors (collectively, “Insiders" and each, an “Insider”) of Selective Insurance Group, Inc. and its subsidiaries (“Selective”) must follow when: •Trading in Selective securities (and the securities of other co

February 10, 2025 EX-24.8

POWER OF ATTORNEY

Exhibit 24.8 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.6

POWER OF ATTORNEY

Exhibit 24.6 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.4

POWER OF ATTORNEY

Exhibit 24.4 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.7

POWER OF ATTORNEY

Exhibit 24.7 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number: 001-33067 SELECTI

February 10, 2025 EX-24.2

POWER OF ATTORNEY

Exhibit 24.2 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.10

POWER OF ATTORNEY

Exhibit 24.10 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.11

POWER OF ATTORNEY

Exhibit 24.11 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.12

POWER OF ATTORNEY

Exhibit 24.12 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.5

POWER OF ATTORNEY

Exhibit 24.5 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.3

POWER OF ATTORNEY

Exhibit 24.3 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-24.1

POWER OF ATTORNEY

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Patrick S. Brennan, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2025 EX-21

SELECTIVE INSURANCE GROUP, INC. SUBSIDIARIES AS OF DECEMBER 31, 2024 Name Jurisdiction in which organized Parent Percentage voting securities owned Mesa Underwriters Specialty Insurance Company New Jersey Selective Insurance Group, Inc. 100 % Selecti

Exhibit 21 SELECTIVE INSURANCE GROUP, INC. SUBSIDIARIES AS OF DECEMBER 31, 2024 Name Jurisdiction in which organized Parent Percentage voting securities owned Mesa Underwriters Specialty Insurance Company New Jersey Selective Insurance Group, Inc. 100 % Selective Auto Insurance Company of New Jersey New Jersey Selective Insurance Group, Inc. 100 % Selective Casualty Insurance Company New Jersey Se

January 29, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) January 29, 2025 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

January 29, 2025 EX-99.1

Selective Reports Fourth Quarter and Year-End 2024 Results Fourth Quarter Net Income of $1.52 per Diluted Common Share and Non-GAAP Operating Income1 of $1.62 per Diluted Common Share; Return on Common Equity ("ROE") of 12.7% and Non-GAAP Operating R

Exhibit 99.1 Selective Reports Fourth Quarter and Year-End 2024 Results Fourth Quarter Net Income of $1.52 per Diluted Common Share and Non-GAAP Operating Income1 of $1.62 per Diluted Common Share; Return on Common Equity ("ROE") of 12.7% and Non-GAAP Operating ROE1 of 13.5% Full Year 2024 ROE of 7.0% and Non-GAAP Operating of ROE1 7.1% In the fourth quarter of 2024: •Net premiums written ("NPW")

January 29, 2025 EX-99.2

FINANCIAL SUPPLEMENT FOURTH QUARTER AND FULL YEAR 2024 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT FOURTH QUARTER AND FULL YEAR 2024 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Ex

January 29, 2025 EX-99.3

INVESTOR PRESENTATION Fourth Quarter 2024 Copyright © 2025 by Selective Insurance Group, Inc. All rights reserved. Exhibit 99.3 SAFE HARBOR STATEMENT We make certain statements and reference other information in this presentation that are “forward-lo

INVESTOR PRESENTATION Fourth Quarter 2024 Copyright © 2025 by Selective Insurance Group, Inc.

October 25, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: September 30, 2024 ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

October 21, 2024 EX-99.2

FINANCIAL SUPPLEMENT THIRD QUARTER 2024 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT THIRD QUARTER 2024 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1

October 21, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) October 21, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

October 21, 2024 EX-99.3

INVESTOR PRESENTATION Third Quarter 2024 Copyright © 2024 by Selective Insurance. All rights reserved. Exhibit 99.3 Safe Harbor Statement We make certain statements and reference other information in this presentation that are “forward-looking statem

INVESTOR PRESENTATION Third Quarter 2024 Copyright © 2024 by Selective Insurance. All rights reserved. Exhibit 99.3 Safe Harbor Statement We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). The PSLRA provides a forward-looking statement safe harbor under t

October 21, 2024 EX-99.1

Selective Reports Third Quarter 2024 Results Net Income of $1.47 per Diluted Common Share and Non-GAAP Operating Income1 of $1.40 per Diluted Common Share; Return on Common Equity ("ROE") of 12.6% and Non-GAAP Operating ROE1 of 12.1% Quarterly Divide

Exhibit 99.1 Selective Reports Third Quarter 2024 Results Net Income of $1.47 per Diluted Common Share and Non-GAAP Operating Income1 of $1.40 per Diluted Common Share; Return on Common Equity ("ROE") of 12.6% and Non-GAAP Operating ROE1 of 12.1% Quarterly Dividend Increased 9% to $0.38 per Common Share In the third quarter of 2024: •Net premiums written ("NPW") increased 9% from the third quarter

September 23, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) September 23, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

September 23, 2024 EX-99.1

Selective Insurance Appoints Patrick S. Brennan as Chief Financial Officer Joins Selective with Nearly Two Decades of Insurance Experience

Exhibit 99.1 FOR IMMEDIATE RELEASE Selective Insurance Appoints Patrick S. Brennan as Chief Financial Officer Joins Selective with Nearly Two Decades of Insurance Experience Branchville, NJ – September 23, 2024 – Selective Insurance Group, Inc. (NASDAQ: SIGI) today announced the appointment of Patrick S. Brennan as Chief Financial Officer, effective October 1, 2024. Mr. Brennan brings nearly two d

September 23, 2024 EX-10.1

Employment Agreement, by and between Selective Insurance Group, Inc. and Patrick Brennan, dated September 23, 2024

Exhibit 10.1 EMPLOYMENT AGREEMENT This Employment Agreement, (the “Agreement”) is made as of the 23rd day of September 2024, between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”) and Patrick S. Brennan, an individual residing at [Address Intentionally Omitted] (the “Executive”)

July 26, 2024 EX-10.2

AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

Exhibit 10.2 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This AMENDMENT NO. 1 (the “Amendment”) to the Employment Agreement (the “Employment Agreement”) between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”), and BRENDA M. HALL, an individual residing in [Intentionally Omitted] with

July 26, 2024 EX-10.4

AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

Exhibit 10.4 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This AMENDMENT NO. 1 (the “Amendment”) to the Employment Agreement (the “Employment Agreement”) between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”), and JEFFREY F. KAMROWSKI, an individual residing in [Intentionally Omitted

July 26, 2024 EX-10.1

AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

Exhibit 10.1 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This AMENDMENT NO. 1 (the “Amendment”) to the Employment Agreement (the “Employment Agreement”) between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”), and JOSEPH OWEN EPPERS, an individual residing in [Intentionally Omitted]

July 26, 2024 EX-10.7

AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

Exhibit 10.7 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This AMENDMENT NO. 1 (the “Amendment”) to the Employment Agreement (the “Employment Agreement”) between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”), and JOHN J. MARCHIONI, an individual residing in [Intentionally Omitted] w

July 26, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SE

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

July 26, 2024 EX-10.6

AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

Exhibit 10.6 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This AMENDMENT NO. 1 (the “Amendment”) to the Employment Agreement (the “Employment Agreement”) between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”), and MICHAEL H. LANZA, an individual residing in [Intentionally Omitted] wi

July 26, 2024 EX-10.8

AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

Exhibit 10.8 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This AMENDMENT NO. 1 (the “Amendment”) to the Employment Agreement (the “Employment Agreement”) between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”), and VINCENT M. SENIA, an individual residing in [Intentionally Omitted] wi

July 26, 2024 EX-10.5

AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

Exhibit 10.5 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This AMENDMENT NO. 1 (the “Amendment”) to the Employment Agreement (the “Employment Agreement”) between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”), and PAUL KUSH, an individual residing in [Intentionally Omitted] with a ma

July 26, 2024 EX-10.3

AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT

Exhibit 10.3 AMENDMENT NO. 1 TO EMPLOYMENT AGREEMENT This AMENDMENT NO. 1 (the “Amendment”) to the Employment Agreement (the “Employment Agreement”) between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”), and ANTHONY D. HARNETT, an individual residing in [Intentionally Omitted]

July 18, 2024 EX-99.1

Selective Reports Second Quarter 2024 Results Net Loss of $1.08 per Diluted Common Share and Non-GAAP Operating Loss1 of $1.10 per Diluted Common Share; Return on Common Equity ("ROE") of (9.5)% and Non-GAAP Operating ROE1 of (9.6)% Quarterly Analyst

Exhibit 99.1 Selective Reports Second Quarter 2024 Results Net Loss of $1.08 per Diluted Common Share and Non-GAAP Operating Loss1 of $1.10 per Diluted Common Share; Return on Common Equity ("ROE") of (9.5)% and Non-GAAP Operating ROE1 of (9.6)% Quarterly Analyst Conference Call Rescheduled for Friday, July 19, 2024, at 8:00 AM ET In the second quarter of 2024: •Net premiums written ("NPW") increa

July 18, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) July 18, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Com

July 18, 2024 EX-99.3

INVESTOR PRESENTATION July 18, 2024 Copyright © 2024 by Selective Insurance. All rights reserved. Exhibit 99.3 Safe Harbor Statement We make certain statements and reference other information in this presentation that are “forward-looking statements”

INVESTOR PRESENTATION July 18, 2024 Copyright © 2024 by Selective Insurance. All rights reserved. Exhibit 99.3 Safe Harbor Statement We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). The PSLRA provides a forward-looking statement safe harbor under the Se

July 18, 2024 EX-99.2

FINANCIAL SUPPLEMENT SECOND QUARTER 2024 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT SECOND QUARTER 2024 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Exchange Act of

July 1, 2024 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) July 1, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Comm

July 1, 2024 EX-99.1

Kate Sampson Named as New Independent Director Brings Over 25 Years of Insurance, Risk Management, and Technology Experience

Exhibit 99.1 Kate Sampson Named as New Independent Director Brings Over 25 Years of Insurance, Risk Management, and Technology Experience BRANCHVILLE, N.J., July 1, 2024 – Selective Insurance Group, Inc. (NASDAQ: SIGI) today announced the appointment of Kate Sampson to the Board of Directors, effective July 1, 2024. Ms. Sampson is an insurance industry and technology specialist with over 25 years

May 30, 2024 EX-24.3

Power of Attorney of Terrence W. Cavanaugh

Exhibit 24.3 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 EX-24.8

Power of Attorney of H. Elizabeth Mitchell

Exhibit 24.8 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 EX-25.3

Form T-1 Statement of Eligibility and Qualification under the Trust Indenture Act of 1939 of U.S. Bank National Association, as Trustee under the Junior Subordinated Debt Indenture

Exhibit 25.3 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ¨ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

May 30, 2024 EX-24.4

Power of Attorney of Wole C. Coaxum

Exhibit 24.4 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 S-3ASR

As filed with the Securities and Exchange Commission on May 30, 2024

As filed with the Securities and Exchange Commission on May 30, 2024 Registration No.

May 30, 2024 EX-25.1

Form T-1 Statement of Eligibility and Qualification under the Trust Indenture Act of 1939 of U.S. Bank National Association, as Trustee under the Senior Debt Indenture

Exhibit 25.1 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ¨ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

May 30, 2024 EX-24.9

Power of Attorney of Cynthia S. Nicholson

Exhibit 24.9 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table FORM S-3 (Form Type) Selective Insurance Group, Inc.

May 30, 2024 EX-24.5

Power of Attorney of Robert Kelly Doherty

Exhibit 24.5 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 EX-24.2

Power of Attorney of Lisa Rojas Bacus

Exhibit 24.2 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 EX-24.6

Power of Attorney of Thomas A. McCarthy

Exhibit 24.6 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 EX-24.7

Power of Attorney of Stephen C. Mills

Exhibit 24.7 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 EX-24.1

Power of Attorney of Ainar D. Aijala, Jr.

Exhibit 24.1 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and agen

May 30, 2024 EX-24.10

Power of Attorney of John S. Scheid

Exhibit 24.10 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and age

May 30, 2024 EX-25.2

Form T-1 Statement of Eligibility and Qualification under the Trust Indenture Act of 1939 of U.S. Bank National Association, as Trustee under the Senior Subordinated Debt Indenture

Exhibit 25.2 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ¨ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

May 30, 2024 EX-24.11

Power of Attorney of Philip H. Urban

Exhibit 24.11 POWER OF ATTORNEY I, the undersigned, hereby appoint Michael H. Lanza and Robyn P. Turner as my true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution for me and in my name, place and stead, and in any and all capacities, to do any and all acts and things and to execute any and all instruments and documents which said attorneys-in-fact and age

May 6, 2024 EX-99.1

INVESTOR PRESENTATION 2nd QUARTER 2024 Copyright © 2024 by Selective Insurance. All rights reserved. Safe Harbor Statement We make certain statements and reference other information in this presentation that are “forward-looking statements” as define

INVESTOR PRESENTATION 2nd QUARTER 2024 Copyright © 2024 by Selective Insurance. All rights reserved. Safe Harbor Statement We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). The PSLRA provides a forward-looking statement safe harbor under the Securities A

May 6, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 6, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Commi

May 3, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 1, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Commi

May 2, 2024 EX-24.2

Power of Attorney of Lisa Rojas Bacus

Exhibit 24.2 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-10.3

SELECTIVE INSURANCE GROUP, INC. 2024 OMNIBUS STOCK PLAN NON-EMPLOYEE DIRECTOR RESTRICTED STOCK UNIT AGREEMENT

Exhibit 10.3 SELECTIVE INSURANCE GROUP, INC. 2024 OMNIBUS STOCK PLAN NON-EMPLOYEE DIRECTOR RESTRICTED STOCK UNIT AGREEMENT This NON-EMPLOYEE DIRECTOR RESTRICTED STOCK UNIT AGREEMENT (the “Restricted Stock Unit Agreement”) is made and entered into as of the date appearing on the signature page below, by and between Selective Insurance Group, Inc., a New Jersey corporation (the “Company”) and [DIREC

May 2, 2024 EX-24.9

Power of Attorney of Cynthia S. Nicholson

Exhibit 24.9 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 EX-10.2

SELECTIVE INSURANCE GROUP, INC. 2024 OMNIBUS STOCK PLAN RESTRICTED STOCK UNIT AGREEMENT

Exhibit 10.2 SELECTIVE INSURANCE GROUP, INC. 2024 OMNIBUS STOCK PLAN PERFORMANCE-BASED RESTRICTED STOCK UNIT AGREEMENT This RESTRICTED STOCK UNIT AGREEMENT (the “Restricted Stock Unit Agreement”) is made and entered into as of the date appearing on the signature page below, by and between Selective Insurance Group, Inc., a New Jersey corporation (the “Company”), and [EMPLOYEE] (the “Recipient”). W

May 2, 2024 EX-24.7

Power of Attorney of Stephen C. Mills

Exhibit 24.7 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 EX-24.11

Power of Attorney of Philip H. Urban

Exhibit 24.11 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned

May 2, 2024 EX-24.3

Power of Attorney of Terrence W. Cavanaugh

Exhibit 24.3 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 EX-24.7

Power of Attorney of Stephen C. Mills

Exhibit 24.7 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-24.6

Power of Attorney of Thomas A. McCarthy

Exhibit 24.6 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 EX-24.10

Power of Attorney of John S. Scheid

Exhibit 24.10 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-24.5

Power of Attorney of Robert Kelly Doherty

Exhibit 24.5 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 EX-24.5

Power of Attorney of Robert Kelly Doherty

Exhibit 24.5 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-24.1

Power of Attorney of Ainar D. Aijala, Jr.

Exhibit 24.1 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 EX-4.4

Selective Insurance Group, Inc. 2024 Omnibus Stock Plan.

Exhibit 4.4 SELECTIVE INSURANCE GROUP, INC. 2024 OMNIBUS STOCK PLAN 1. Purpose. Selective Insurance Group, Inc. (the “Company”) hereby establishes the 2024 Omnibus Stock Plan (as may be amended from time to time, the “Plan”), effective as of the Effective Date. The Plan is intended to attract and retain employees, non-employee directors, and consultants of the Company and its Affiliates, to motiva

May 2, 2024 EX-24.4

Power of Attorney of Wole C. Coaxum

Exhibit 24.4 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-24.6

Power of Attorney of Thomas A. McCarthy

Exhibit 24.6 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

May 2, 2024 EX-24.11

Power of Attorney of Philip H. Urban

Exhibit 24.11 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-10.1

SELECTIVE INSURANCE GROUP, INC. 2024 OMNIBUS STOCK PLAN RESTRICTED STOCK UNIT AGREEMENT

Exhibit 10.1 SELECTIVE INSURANCE GROUP, INC. 2024 OMNIBUS STOCK PLAN SERVICE-BASED RESTRICTED STOCK UNIT AGREEMENT This RESTRICTED STOCK UNIT AGREEMENT (the “Restricted Stock Unit Agreement”) is made and entered into as of the date appearing on the signature page below, by and between Selective Insurance Group, Inc., a New Jersey corporation (the “Company”), and [EMPLOYEE] (the “Recipient”). WHERE

May 2, 2024 EX-24.2

Power of Attorney of Lisa Rojas Bacus

Exhibit 24.2 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 S-8 POS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 FORM S-8 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter)

As filed with the Securities and Exchange Commission on May 2, 2024 Registration No.

May 2, 2024 EX-24.4

Power of Attorney of Wole C. Coaxum

Exhibit 24.4 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 EX-24.9

Power of Attorney of Cynthia S. Nicholson

Exhibit 24.9 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 S-8

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 Selective Insurance Group, Inc. (Exact name of registrant as specified in its charter)

As filed with the Securities and Exchange Commission on May 2, 2024 Registration No.

May 2, 2024 EX-24.3

Power of Attorney of Terrence W. Cavanaugh

Exhibit 24.3 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-24.1

Power of Attorney of Ainar D. Aijala, Jr.

Exhibit 24.1 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-24.10

Power of Attorney of John S. Scheid

Exhibit 24.10 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned

May 2, 2024 EX-24.8

Power of Attorney of H. Elizabeth Mitchell

Exhibit 24.8 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Post-Effective Amendment No. 1 to a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2014 Omnibus Stock

May 2, 2024 EX-24.8

Power of Attorney of H. Elizabeth Mitchell

Exhibit 24.8 POWER OF ATTORNEY WHEREAS, Selective Insurance Group, Inc., a New Jersey corporation (hereinafter referred to as the “Company”), proposes to file a Registration Statement on Form S-8 with the Securities and Exchange Commission, under the provisions of the Securities Act of 1933, as amended, for the Selective Insurance Group, Inc. 2024 Omnibus Stock Plan; and WHEREAS, the undersigned i

May 2, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 CALCULATION OF FILING FEE TABLES Form S-8 (Form Type) Selective Insurance Group, Inc.

May 1, 2024 EX-99.2

FINANCIAL SUPPLEMENT FIRST QUARTER 2024 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT FIRST QUARTER 2024 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1

May 1, 2024 EX-99.1

Selective Reports First Quarter 2024 Results Net Income of $1.31 per Diluted Common Share and Non-GAAP Operating Income1 of $1.33 per Diluted Common Share Return on Common Equity ("ROE") of 11.5% and Non-GAAP Operating ROE1 of 11.7% Selective’s Quart

Exhibit 99.1 Selective Reports First Quarter 2024 Results Net Income of $1.31 per Diluted Common Share and Non-GAAP Operating Income1 of $1.33 per Diluted Common Share Return on Common Equity ("ROE") of 11.5% and Non-GAAP Operating ROE1 of 11.7% Selective’s Quarterly Analyst Conference Call to be Held at 8:00 AM ET, on Thursday, May 2, 2024 In the first quarter of 2024: •Net premiums written ("NPW

May 1, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 1, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Commi

April 5, 2024 DEFA14A

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 (Amendment No. )

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 (Amendment No. ) 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)) ¨ Defin

March 27, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ 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 ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to §240.

February 13, 2024 SC 13G/A

SIGI / Selective Insurance Group, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01895-selectiveinsurancegr.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Selective Insurance Group Inc Title of Class of Securities: Common Stock CUSIP Number: 816300107 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate

February 12, 2024 SC 13G/A

SELECTIVE INSURANCE GROUP INC

SC 13G/A 1 sched13g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Stellus Private Credit BDC (Name of Issuer) Common Shares of Beneficial Interest (Title of Class of Securities) None (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriate bo

February 9, 2024 EX-10.14

DEFERRED COMPENSATION PLAN FOR DIRECTORS OF SELECTIVE INSURANCE GROUP, INC. AND SUBSIDIARIES (Amended and Restated as of May 8, 1996) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Exhibit 10.14 DEFERRED COMPENSATION PLAN FOR DIRECTORS OF SELECTIVE INSURANCE GROUP, INC. AND SUBSIDIARIES (Amended and Restated as of May 8, 1996) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Section 1. Effective Date The effective date of the Plan, as amended and restated, is May 8, 1996 (the "Effective Date"). Section 2. Eligibility Each Director of Selective Insurance Gr

February 9, 2024 EX-24.10

POWER OF ATTORNEY

Exhibit 24.10 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanz

February 9, 2024 EX-24.2

POWER OF ATTORNEY

Exhibit 24.2 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-24.6

POWER OF ATTORNEY

Exhibit 24.6 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-24.7

POWER OF ATTORNEY

Exhibit 24.7 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-24.3

POWER OF ATTORNEY

Exhibit 24.3 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-24.11

POWER OF ATTORNEY

Exhibit 24.11 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanz

February 9, 2024 EX-99.1

1 INVESTOR PRESENTATION 1ST QUARTER 2024 Copyright © 2024 by Selective Insurance. All rights reserved. Safe Harbor Statement We make certain statements and reference other information in this presentation that are “forward-looking statements” as defi

1 INVESTOR PRESENTATION 1ST QUARTER 2024 Copyright © 2024 by Selective Insurance. All rights reserved. Safe Harbor Statement We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). The PSLRA provides a forward-looking statement safe harbor under the Securities

February 9, 2024 EX-24.4

POWER OF ATTORNEY

Exhibit 24.4 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-24.8

POWER OF ATTORNEY

Exhibit 24.8 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-24.9

POWER OF ATTORNEY

Exhibit 24.9 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-21

SELECTIVE INSURANCE GROUP, INC. SUBSIDIARIES AS OF DECEMBER 31, 2023 Name Jurisdiction in which organized Parent Percentage voting securities owned Mesa Underwriters Specialty Insurance Company New Jersey Selective Insurance Group, Inc. 100 % Selecti

Exhibit 21 SELECTIVE INSURANCE GROUP, INC. SUBSIDIARIES AS OF DECEMBER 31, 2023 Name Jurisdiction in which organized Parent Percentage voting securities owned Mesa Underwriters Specialty Insurance Company New Jersey Selective Insurance Group, Inc. 100 % Selective Auto Insurance Company of New Jersey New Jersey Selective Insurance Group, Inc. 100 % Selective Casualty Insurance Company New Jersey Se

February 9, 2024 EX-24.12

POWER OF ATTORNEY

Exhibit 24.12 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanz

February 9, 2024 EX-24.5

POWER OF ATTORNEY

Exhibit 24.5 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-10.28

EMPLOYMENT AGREEMENT

Exhibit 10.28 EMPLOYMENT AGREEMENT This Employment Agreement, (the “Agreement”) is made as of the 1st day of March, 2020 by and between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”) and Jeffrey F. Kamrowski, an individual residing at [Address Intentionally Omitted] (the “Execut

February 9, 2024 EX-24.1

POWER OF ATTORNEY

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairman of the Board, President and Chief Executive Officer of the Company, Anthony D. Harnett, Senior Vice President, Chief Accounting Officer and Interim Chief Financial Officer of the Company, and Michael H. Lanza

February 9, 2024 EX-97.1

SELECTIVE INSURANCE GROUP, INC. COMPENSATION RECOUPMENT POLICY

Exhibit 97.1 SELECTIVE INSURANCE GROUP, INC. COMPENSATION RECOUPMENT POLICY I.Purpose The Board of Directors (“Board”) of Selective Insurance Group, Inc. (“Selective”), as recommended by its Salary and Employee Benefits Committee (“Committee”), has adopted this Compensation Recoupment Policy (this “Policy) as its mandatory clawback policy if a Restatement under the Applicable Rules (defined below)

February 9, 2024 EX-99.1

Glossary of Terms Exhibit 99.1 Accident Year: accident year reporting focuses on the cost of the losses that occurred in a given year regardless of when reported. These losses are calculated by adding all payments that have been made for those losses

Glossary of Terms Exhibit 99.1 Accident Year: accident year reporting focuses on the cost of the losses that occurred in a given year regardless of when reported. These losses are calculated by adding all payments that have been made for those losses occurring in a given calendar year (regardless of the year in which they were paid) to any current reserve that remains for losses that occurred in t

February 9, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) February 9, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

February 9, 2024 EX-10.27

EMPLOYMENT AGREEMENT

Exhibit 10.27 EMPLOYMENT AGREEMENT This Employment Agreement, (the “Agreement”) is made as of the 28 day of February, 2022, between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”) and Joseph Owen Eppers, an individual residing at [Address Intentionally Omitted] (the “Executive”).

February 9, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number: 001-33067 SELECTI

January 31, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) January 31, 2024 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

January 31, 2024 EX-99.1

Selective Reports Fourth Quarter and Year-End 2023 Results Net Income of $2.01 per Diluted Common Share and Non-GAAP Operating Income1 of $1.94 per Diluted Common Share; Return on Common Equity ("ROE") of 18.9% and Non-GAAP Operating ROE1 of 18.2% Fu

Exhibit 99.1 Selective Reports Fourth Quarter and Year-End 2023 Results Net Income of $2.01 per Diluted Common Share and Non-GAAP Operating Income1 of $1.94 per Diluted Common Share; Return on Common Equity ("ROE") of 18.9% and Non-GAAP Operating ROE1 of 18.2% Full Year 2023 ROE of 14.3% and Non-GAAP Operating ROE1 of 14.4%; Achieved 10th Consecutive Year of Double-Digit Non-GAAP Operating ROE1 In

January 31, 2024 EX-99.2

FINANCIAL SUPPLEMENT FOURTH QUARTER AND FULL YEAR 2023 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT FOURTH QUARTER AND FULL YEAR 2023 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Ex

December 15, 2023 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 12, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

December 15, 2023 EX-3.1

By-Laws of Selective Insurance Group, Inc., effective as of January 1, 2024

Exhibit 3.1   BY-LAWS OF SELECTIVE INSURANCE GROUP, INC. Effective January 1, 2024   ARTICLE I   OFFICES   Section 1.1.       The principal office of Selective Insurance Group, Inc. (the “Company”) shall be located at 40 Wantage Avenue, Branchville, New Jersey, 07890. The Company may also establish and have offices at such other places as the Board of Directors (“Board” and the members of the Boar

November 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) November 14, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

November 14, 2023 EX-99.1

INVESTOR PRESENTATION QUARTER ENDED SEPTEMBER 30, 2023 We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”).

sigithirdquarter2023inve INVESTOR PRESENTATION QUARTER ENDED SEPTEMBER 30, 2023 We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”).

November 3, 2023 EX-10.1

Employment Agreement between Selective Insurance Company of America and Anthony D. Harnett, dated as of November 1, 2023

Exhibit 10.1 EMPLOYMENT AGREEMENT This Employment Agreement, (the “Agreement”) is made as of the 1st day of November 2023 by and between Selective Insurance Company of America, a New Jersey corporation with a principal place of business at 40 Wantage Avenue, Branchville, New Jersey 07890 (the “Company”) and ANTHONY D. HARNETT, an individual residing at [Address Intentionally Omitted] (the “Executi

November 3, 2023 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 28, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdicti

November 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: September 30, 2023 ☐ TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

November 1, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) November 1, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

November 1, 2023 EX-99.1

Selective Reports Third Quarter 2023 Results Net Income of $1.42 per Diluted Common Share and Non-GAAP Operating Income1 of $1.51 per Diluted Common Share Return on Common Equity ("ROE") of 14.1% and Non-GAAP Operating ROE1 of 15.0% Quarterly Dividen

Exhibit 99.1 Selective Reports Third Quarter 2023 Results Net Income of $1.42 per Diluted Common Share and Non-GAAP Operating Income1 of $1.51 per Diluted Common Share Return on Common Equity ("ROE") of 14.1% and Non-GAAP Operating ROE1 of 15.0% Quarterly Dividend Increased 17%, to $0.35 per Common Share In the third quarter of 2023: •Net premiums written ("NPW") increased 17% compared to the thir

November 1, 2023 EX-99.2

FINANCIAL SUPPLEMENT THIRD QUARTER 2023 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT THIRD QUARTER 2023 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1

October 3, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 28, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

October 3, 2023 EX-99.1

Selective Announces CFO Transition

Exhibit 99.1 Selective Announces CFO Transition BRANCHVILLE, N.J. – October 3, 2023 – Selective Insurance Group, Inc. (Nasdaq: SIGI) today announced that Mark Wilcox, Executive Vice President, Chief Financial Officer, has resigned from Selective, effective November 3, 2023, to become CFO at another financial services company. Mr. Wilcox will continue in his current position until after Selective r

September 6, 2023 EX-99.1

INVESTOR PRESENTATION QUARTER ENDED JUNE 30, 2023 We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). The

INVESTOR PRESENTATION QUARTER ENDED JUNE 30, 2023 We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”).

September 6, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) September 6, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SE

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

August 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) August 2, 2023 SELECTIVE INSURANCE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) August 2, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Co

August 2, 2023 EX-99.1

Selective Reports Second Quarter 2023 Results Net Income of $0.92 per Diluted Common Share and Non-GAAP Operating Income1 of $0.99 per Diluted Common Share Return on Common Equity ("ROE") of 9.1% and Non-GAAP Operating ROE1 of 9.8%

Exhibit 99.1 Selective Reports Second Quarter 2023 Results Net Income of $0.92 per Diluted Common Share and Non-GAAP Operating Income1 of $0.99 per Diluted Common Share Return on Common Equity ("ROE") of 9.1% and Non-GAAP Operating ROE1 of 9.8% In the second quarter of 2023: •Net premiums written ("NPW") increased 17% compared to the second quarter of 2022; •GAAP combined ratio was 100.2%, inclusi

August 2, 2023 EX-99.2

FINANCIAL SUPPLEMENT SECOND QUARTER 2023 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT SECOND QUARTER 2023 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” defined in the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a forward-looking statement safe harbor under the Securities Act of 1933 and the Securities Exchange Act of

July 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) July 24, 2023 SELECTIVE INSURANCE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) July 24, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Com

July 24, 2023 EX-99.1

Selective Insurance Group, Inc. Announces Preliminary Second Quarter 2023 Results, Including Catastrophe Loss Estimates

Exhibit 99.1 Selective Insurance Group, Inc. Announces Preliminary Second Quarter 2023 Results, Including Catastrophe Loss Estimates Branchville, NJ – July 24, 2023 – Selective Insurance Group, Inc. (Nasdaq: SIGI) announced preliminary second quarter 2023 results and pre-tax net catastrophe loss estimates today. Selective (the "Company") expects to report second quarter diluted earnings per share

June 12, 2023 EX-99.1

We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). The PSLRA provides a safe harbor under the Securities

Exhibit 99.1 INVESTOR PRESENTATION QUARTER ENDED MARCH 31, 2023 We make certain statements and reference other information in this presentation that are “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). The PSLRA provides a safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1934, as amended, for forward-looking s

June 12, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 12, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Com

May 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 3, 2023 SELECTIVE INSURANCE GR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 3, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Commi

May 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

May 3, 2023 EX-99.2

FINANCIAL SUPPLEMENT FIRST QUARTER 2023 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT FIRST QUARTER 2023 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” as defined by the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1934 for forward-looking

May 3, 2023 EX-99.1

Selective Reports First Quarter 2023 Results, Including Net Income of $1.48 per Diluted Common Share and Non-GAAP Operating Income1 of $1.44 per Diluted Common Share First Quarter 2023 Return on Common Equity ("ROE") of 15.1% and Non-GAAP Operating R

Exhibit 99.1 Selective Reports First Quarter 2023 Results, Including Net Income of $1.48 per Diluted Common Share and Non-GAAP Operating Income1 of $1.44 per Diluted Common Share First Quarter 2023 Return on Common Equity ("ROE") of 15.1% and Non-GAAP Operating ROE1 of 14.6% In the first quarter of 2023, we reported: •Net premiums written ("NPW") increased 12% compared to the first quarter of 2022

May 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 3, 2023 SELECTIVE INSURANCE GR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 3, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Commi

March 29, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ 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 ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to §240.

February 14, 2023 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 exhibit99-1.htm Exhibit 99.1 JOINT FILING AGREEMENT This Joint Filing Agreement, dated as of February 14, 2023, is by and among Selective Insurance Company of America and Selective Insurance Group, Inc. (collectively, the “Reporting Persons”). Each of the Reporting Persons may be required to file with the United States Securities and Exchange Commission a statement on Schedule 13D and/or

February 14, 2023 SC 13G

SELECTIVE INSURANCE GROUP INC

SC 13G 1 sched13g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Stellus Private Credit BDC (Name of Issuer) Common Shares of Beneficial Interest (Title of Class of Securities) None (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box t

February 13, 2023 EX-99.1

INVESTOR PRESE N T A TION QUARTER AND YEAR ENDED DECEMBER 31, 2022

Exhibit 99.1 INVESTOR PRESE N T A TION QUARTER AND YEAR ENDED DECEMBER 31, 2022 We make certain statements and reference other information in this presentation that are “forward - looking statements” as defined in the Private Securities Litigation Reform Act of 1995 (“PSLRA”). The PSLRA provides a safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1934, as amended, for

February 13, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 13, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

February 10, 2023 EX-21

SELECTIVE INSURANCE GROUP, INC. SUBSIDIARIES AS OF DECEMBER 31, 2022 Name Jurisdiction in which organized Parent Percentage voting securities owned Mesa Underwriters Specialty Insurance Company New Jersey Selective Insurance Group, Inc. 100 % Selecti

Exhibit 21 SELECTIVE INSURANCE GROUP, INC. SUBSIDIARIES AS OF DECEMBER 31, 2022 Name Jurisdiction in which organized Parent Percentage voting securities owned Mesa Underwriters Specialty Insurance Company New Jersey Selective Insurance Group, Inc. 100 % Selective Auto Insurance Company of New Jersey New Jersey Selective Insurance Group, Inc. 100 % Selective Casualty Insurance Company New Jersey Se

February 10, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission file number: 001-33067 SELECTI

February 10, 2023 EX-24.11

POWER OF ATTORNEY

Exhibit 24.11 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2023 EX-24.13

POWER OF ATTORNEY

Exhibit 24.13 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2023 EX-24.10

POWER OF ATTORNEY

Exhibit 24.10 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2023 EX-24.9

POWER OF ATTORNEY

Exhibit 24.9 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 EX-24.7

POWER OF ATTORNEY

Exhibit 24.7 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 EX-99.1

Glossary of Terms Exhibit 99.1 Accident Year: accident year reporting focuses on the cost of the losses that occurred in a given year regardless of when reported. These losses are calculated by adding all payments that have been made for those losses

Glossary of Terms Exhibit 99.1 Accident Year: accident year reporting focuses on the cost of the losses that occurred in a given year regardless of when reported. These losses are calculated by adding all payments that have been made for those losses occurring in a given calendar year (regardless of the year in which they were paid) to any current reserve that remains for losses that occurred in t

February 10, 2023 EX-24.6

POWER OF ATTORNEY

Exhibit 24.6 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 EX-24.5

POWER OF ATTORNEY

Exhibit 24.5 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 EX-24.15

POWER OF ATTORNEY

Exhibit 24.15 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2023 EX-24.1

POWER OF ATTORNEY

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 EX-24.8

POWER OF ATTORNEY

Exhibit 24.8 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 EX-24.4

POWER OF ATTORNEY

Exhibit 24.4 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 EX-24.12

POWER OF ATTORNEY

Exhibit 24.12 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2023 EX-24.14

POWER OF ATTORNEY

Exhibit 24.14 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and

February 10, 2023 EX-24.3

POWER OF ATTORNEY

Exhibit 24.3 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 EX-24.2

POWER OF ATTORNEY

Exhibit 24.2 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the “Company”), do hereby appoint John J. Marchioni, Chairperson of the Board, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and G

February 10, 2023 SC 13G/A

SIGI / Selective Insurance Group Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Selective Insurance Group Inc. Title of Class of Securities: Common Stock CUSIP Number: 816300107 Date of Event Which Requires Filing of this Statement: January 31, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule

February 9, 2023 SC 13G/A

SIGI / Selective Insurance Group Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01865-selectiveinsurancegr.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Selective Insurance Group Inc. Title of Class of Securities: Common Stock CUSIP Number: 816300107 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriat

February 2, 2023 EX-99.2

FINANCIAL SUPPLEMENT FOURTH QUARTER AND FULL YEAR 2022 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT FOURTH QUARTER AND FULL YEAR 2022 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are “forward-looking statements” as defined by the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1934 for

February 2, 2023 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) February 2, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

February 2, 2023 EX-99.1

Selective Reports Fourth Quarter 2022 Results, Including Net Income of $1.38 per Diluted Common Share and Non-GAAP Operating Income1 of $1.46 per Diluted Common Share Fourth Quarter 2022 Return on Common Equity ("ROE") of 14.8% and Non-GAAP Operating

EX-99.1 2 q42022pressreleaseexh991.htm EX-99.1 Exhibit 99.1 Selective Reports Fourth Quarter 2022 Results, Including Net Income of $1.38 per Diluted Common Share and Non-GAAP Operating Income1 of $1.46 per Diluted Common Share Fourth Quarter 2022 Return on Common Equity ("ROE") of 14.8% and Non-GAAP Operating ROE1 of 15.6% Full Year 2022 ROE of 8.8% and Non-GAAP Operating ROE1 of 12.4% In the four

January 23, 2023 EX-99.1

Selective Insurance Group, Inc. Announces Preliminary Fourth Quarter 2022 Results, Including Catastrophe Loss Estimates

Exhibit 99.1 Selective Insurance Group, Inc. 40 Wantage Avenue Branchville, NJ 07890 www.selective.com Selective Insurance Group, Inc. Announces Preliminary Fourth Quarter 2022 Results, Including Catastrophe Loss Estimates Branchville, N.J., January 23, 2023 – Selective Insurance Group, Inc. (Nasdaq: SIGI) today announced preliminary fourth quarter 2022 results and pre-tax net catastrophe loss est

January 23, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 23, 2023 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

November 15, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 15, 2022 SELECTIVE INSURA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 15, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

November 15, 2022 EX-99.1

INVESTOR PRESENTATION Quarter Ended September 30, 2022

Exhibit 99.1 INVESTOR PRESENTATION Quarter Ended September 30, 2022 SAFE HARBOR STATEMENT In this presentation, we make certain statements and reference other information that are ?forward - looking statements? as define d in the Private Securities Litigation Reform Act of 1995 (?PSLRA?). The PSLRA provides a safe harbor under the Securities Act of 193 3, as amended, and the Securities Exchange Ac

November 8, 2022 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 7, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

November 8, 2022 EX-10.1

Credit Agreement, dated as of November 7, 2022, among Selective, the Lenders, and the Administrative Agent.

Exhibit 10.1 CREDIT AGREEMENT among SELECTIVE INSURANCE GROUP, INC., as Borrower, THE LENDERS NAMED HEREIN and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Administrative Agent $50,000,000 Revolving Credit Facility WELLS FARGO SECURITIES, LLC Sole Lead Arranger and Sole Lead Bookrunner Dated as of November 7, 2022 Table of Contents Page ARTICLE I DEFINITIONS Section 1.1 Defined Terms 1 Section 1.2 A

November 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

November 3, 2022 EX-3.1

BY-LAWS SELECTIVE INSURANCE GROUP, INC. NOVEMBER 2, 2022

Exhibit 3.1 BY-LAWS OF SELECTIVE INSURANCE GROUP, INC. EFFECTIVE NOVEMBER 2, 2022 OFFICES Section 1. The principal office of Selective Insurance Group, Inc. (the ?Company?) shall be located at 40 Wantage Avenue, Branchville, New Jersey, 07890. The Company may also establish and have offices at such other places as the Board of Directors may designate from time to time. SEAL Section 2. The Company

November 2, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) November 2, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (

November 2, 2022 EX-99.2

FINANCIAL SUPPLEMENT THIRD QUARTER 2022 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT THIRD QUARTER 2022 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are ?forward-looking statements? as defined by the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1934 for forward-looking

November 2, 2022 EX-99.1

Selective Reports Third Quarter 2022 Results, Including Net Income of $0.66 per Diluted Common Share and Non-GAAP Operating Income1 of $0.99 per Diluted Common Share Third Quarter Return on Common Equity ("ROE") of 7.0% and Non-GAAP Operating ROE1 of

Exhibit 99.1 Selective Reports Third Quarter 2022 Results, Including Net Income of $0.66 per Diluted Common Share and Non-GAAP Operating Income1 of $0.99 per Diluted Common Share Third Quarter Return on Common Equity ("ROE") of 7.0% and Non-GAAP Operating ROE1 of 10.5% In the third quarter of 2022, we reported: ?Net premiums written ("NPW") increased 11% compared to the third quarter of 2021; ?GAA

September 7, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 7, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

September 7, 2022 EX-99.1

INVESTOR PRESENTATION Quarter Ended June 30, 2022

Exhibit 99.1 INVESTOR PRESENTATION Quarter Ended June 30, 2022 SAFE HARBOR STATEMENT In this presentation, we make certain statements and reference other information that are ?forward - looking statements? as define d in the Private Securities Litigation Reform Act of 1995 (?PSLRA?). The PSLRA provides a safe harbor under the Securities Act of 193 3, as amended, and the Securities Exchange Act of

August 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

August 3, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) August 3, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Co

August 3, 2022 EX-99.1

Selective Reports Second Quarter 2022 Results, Including Net Income of $0.61 per Diluted Common Share and Non-GAAP Operating Income1 of $1.17 per Diluted Common Share Second Quarter Return on Common Equity ("ROE") of 6.0% and Non-GAAP Operating ROE1

Exhibit 99.1 Selective Reports Second Quarter 2022 Results, Including Net Income of $0.61 per Diluted Common Share and Non-GAAP Operating Income1 of $1.17 per Diluted Common Share Second Quarter Return on Common Equity ("ROE") of 6.0% and Non-GAAP Operating ROE1 of 11.4% In the second quarter of 2022, we reported: ?Net premiums written ("NPW") increased 12% compared to the second quarter of 2021;

August 3, 2022 EX-99.2

FINANCIAL SUPPLEMENT SECOND QUARTER 2022 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT SECOND QUARTER 2022 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are ?forward-looking statements? as defined by the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1934 for forward-lookin

June 13, 2022 EX-99.1

SUMMARY OF OUR OPERATIONS • Focus on disciplined growth • Strong calendar year profitability; Commercial Auto remains an area of focus • Strong new business growth, higher retention, solid renewal pure price increases, and exposure growth • Greater p

Exhibit 99.1 INVESTOR PRESENTATION Quarter Ended March 31, 2022 SAFE HARBOR STATEMENT In this presentation, we make certain statements and reference other information that are ?forward - looking statements? as define d in the Private Securities Litigation Reform Act of 1995 (?PSLRA?). The PSLRA provides a safe harbor under the Securities Act of 193 3, as amended, and the Securities Exchange Act of

June 13, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 13, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Com

May 6, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 3, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Commi

May 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fromto Commission File Number: 001-33067 SELECTIVE INSURANCE GROUP, INC.

May 5, 2022 EX-11

EX-11

Exhibit 11 SELECTIVE INSURANCE GROUP, INC. AND CONSOLIDATED SUBSIDIARIES COMPUTATION OF EARNINGS PER COMMON SHARE First Quarter 2022 Income (Numerator) Shares (Denominator) Per Share Amount (in thousands, except per share amounts) Basic Earnings Per Common Share ("EPS"): Net income available to common stockholders $ 54,030 60,384 $ 0.89 Effect of dilutive securities: Stock compensation plans ? 440

May 4, 2022 EX-99.1

Selective Reports Strong First Quarter 2022 Results, Including Net Income of $0.89 per Diluted Common Share and Non-GAAP Operating Income1 of $1.41 per Diluted Common Share First Quarter Return on Common Equity ("ROE") of 8.1% and Non-GAAP Operating

Exhibit 99.1 Selective Reports Strong First Quarter 2022 Results, Including Net Income of $0.89 per Diluted Common Share and Non-GAAP Operating Income1 of $1.41 per Diluted Common Share First Quarter Return on Common Equity ("ROE") of 8.1% and Non-GAAP Operating ROE1 of 12.8% In the first quarter of 2022, we reported: ?Net premiums written ("NPW") increased 11% compared to first quarter of 2021; ?

May 4, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 4, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation) (Commi

May 4, 2022 EX-99.2

FINANCIAL SUPPLEMENT FIRST QUARTER 2022 Forward-Looking Statements

Exhibit 99.2 FINANCIAL SUPPLEMENT FIRST QUARTER 2022 Forward-Looking Statements Certain statements in this report, including information incorporated by reference, are ?forward-looking statements? as defined by the Private Securities Litigation Reform Act of 1995 ("PSLRA"). The PSLRA provides a safe harbor under the Securities Act of 1933 and the Securities Exchange Act of 1934 for forward-looking

March 29, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION 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)) x Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Pursuant to ?240.

February 15, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 15, 2022 SELECTIVE INSURANCE GROUP, INC. (Exact name of registrant as specified in its charter) New Jersey 001-33067 22-2168890 (State or other jurisdiction of incorporation)

February 15, 2022 EX-99.1

INVESTOR PRESENTATION February 2022 1

Exhibit 99.1 INVESTOR PRESENTATION February 2022 1 SAFE HARBOR STATEMENT In this presentation, we make certain statements and reference other information that are ?forward - looking statements? as defined in the Private Securities Litigation Reform Act of 1995 (?PSLRA?). The PSLRA provides a safe harbor under the Securi tie s Act of 1933, as amended, and the Securities Exchange Act of 1934, as ame

February 11, 2022 EX-24.2

EX-24.2

Exhibit 24.2 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

February 11, 2022 EX-24.5

POWER OF ATTORNEY

Exhibit 24.5 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

February 11, 2022 EX-24.7

POWER OF ATTORNEY

Exhibit 24.7 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

February 11, 2022 EX-24.6

POWER OF ATTORNEY

Exhibit 24.6 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

February 11, 2022 EX-24.9

EX-24.9

Exhibit 24.9 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

February 11, 2022 EX-24.3

EX-24.3

Exhibit 24.3 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

February 11, 2022 EX-24.10

EX-24.10

Exhibit 24.10 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Com

February 11, 2022 EX-24.4

EX-24.4

Exhibit 24.4 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

February 11, 2022 EX-21

SELECTIVE INSURANCE GROUP, INC. SUBSIDIARIES AS OF DECEMBER 31, 2021 Name Jurisdiction in which organized Parent Percentage voting securities owned Mesa Underwriters Specialty Insurance Company New Jersey Selective Insurance Group, Inc. 100 % Selecti

Exhibit 21 SELECTIVE INSURANCE GROUP, INC. SUBSIDIARIES AS OF DECEMBER 31, 2021 Name Jurisdiction in which organized Parent Percentage voting securities owned Mesa Underwriters Specialty Insurance Company New Jersey Selective Insurance Group, Inc. 100 % Selective Auto Insurance Company of New Jersey New Jersey Selective Insurance Group, Inc. 100 % Selective Casualty Insurance Company New Jersey Se

February 11, 2022 EX-24.16

POWER OF ATTORNEY

Exhibit 24.16 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Com

February 11, 2022 EX-24.14

EX-24.14

Exhibit 24.14 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Com

February 11, 2022 EX-24.12

EX-24.12

Exhibit 24.12 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Com

February 11, 2022 EX-24.11

POWER OF ATTORNEY

Exhibit 24.11 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, the Non-Executive Chairperson of the Board of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice Presiden

February 11, 2022 EX-24.1

EX-24.1

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

February 11, 2022 EX-99.1

Glossary of Terms Exhibit 99.1 Accident Year: accident year reporting focuses on the cost of the losses that occurred in a given year regardless of when reported. These losses are calculated by adding all payments that have been made for those losses

Glossary of Terms Exhibit 99.1 Accident Year: accident year reporting focuses on the cost of the losses that occurred in a given year regardless of when reported. These losses are calculated by adding all payments that have been made for those losses occurring in a given calendar year (regardless of the year in which they were paid) to any current reserve that remains for losses that occurred in t

February 11, 2022 EX-24.15

EX-24.15

Exhibit 24.15 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Com

February 11, 2022 EX-24.13

EX-24.13

Exhibit 24.13 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Com

February 11, 2022 EX-24.8

POWER OF ATTORNEY

Exhibit 24.8 POWER OF ATTORNEY KNOW ALL BY THESE PRESENTS THAT I, the undersigned, a Director of Selective Insurance Group, Inc. (the ?Company?), do hereby appoint John J. Marchioni, President and Chief Executive Officer of the Company, Mark A. Wilcox, Executive Vice President and Chief Financial Officer of the Company, and Michael H. Lanza, Executive Vice President and General Counsel of the Comp

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