Exhibit 99.4












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GAAP LINE OF BUSINESS SUPPLEMENT
HISTORICAL INFORMATION
MARCH 2023 THROUGH MARCH 2025






TABLE OF CONTENTS
Page
General Liability
Commercial Automobile
Commercial Property
Workers Compensation
Businessowners’ Policies (BOP)
Bonds
Commercial Other
Total Standard Commercial Lines
Personal Automobile
Personal Homeowners
Personal Other
Total Standard Personal Lines
E&S Casualty......................................................................................................................................................
E&S Property
Total Excess & Surplus Lines

2

Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD COMMERCIAL LINES
GENERAL LIABILITY
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$333.9 $265.0 $290.7 $320.0 $307.4 $248.2 $273.9 $292.8 $272.1 
Net premiums earned294.7 285.3 286.6 280.1 273.4 261.0 261.6 254.5 243.3 
Underwriting income (loss)(15.9)(113.7)13.3 (166.1)(29.4)(23.3)34.3 32.6 27.1 
Loss and loss expense ratio72.5 %108.7 %64.6 %128.5 %78.8 %77.4 %55.8 %55.8 %56.0 %
Underwriting expense ratio32.9 31.1 30.7 30.8 31.7 31.4 31.0 31.4 32.8 
Dividend ratio— — — — 0.3 0.1 0.1 — 0.1 
Combined ratio105.4 %139.8 %95.3 %159.3 %110.8 %108.9 %86.9 %87.2 %88.9 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— 35.0 — 59.3 18.3 21.1 — — — 
Combined ratio before net catastrophe losses and prior year casualty development105.4 %104.8 %95.3 %100.0 %92.5 %87.8 %86.9 %87.2 %88.9 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$333.9 $1,183.2 $918.1 $627.4 $307.4 $1,087.1 $838.9 $565.0 $272.1 
Net premiums earned294.7 1,125.5 840.2 553.5 273.4 1,020.4 759.4 497.9 243.3 
Underwriting income (loss)(15.9)(295.9)(182.2)(195.6)(29.4)70.8 94.1 59.8 27.1 
Loss and loss expense ratio72.5 %95.1 %90.5 %103.9 %78.8 %61.4 %55.9 %55.9 %56.0 %
Underwriting expense ratio32.9 31.1 31.1 31.2 31.7 31.6 31.7 32.1 32.8 
Dividend ratio— 0.1 0.1 0.2 0.3 0.1 — — 0.1 
Combined ratio105.4 %126.3 %121.7 %135.3 %110.8 %93.1 %87.6 %88.0 %88.9 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— 28.1 25.7 39.0 18.3 5.4 — — — 
Combined ratio before net catastrophe losses and prior year casualty development105.4 %98.2 %96.0 %96.3 %92.5 %87.7 %87.6 %88.0 %88.9 %
Note: Amounts may not foot due to rounding.

3

Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD COMMERCIAL LINES
COMMERCIAL AUTOMOBILE
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$312.7 $257.3 $281.3 $297.3 $285.6 $226.8 $252.7 $257.3 $240.2 
Net premiums earned283.6 276.8 269.0 260.7 251.7 239.1 234.6 225.1 217.4 
Underwriting income (loss)7.6 9.3 (5.9)(1.2)0.3 (5.5)(12.3)(4.2)(11.7)
Loss and loss expense ratio66.6 %67.7 %73.4 %71.2 %69.7 %73.1 %75.7 %72.3 %74.3 %
Underwriting expense ratio30.7 28.9 28.8 29.3 29.9 29.0 29.6 29.6 31.0 
Dividend ratio— — — — 0.3 0.2 — — 0.1 
Combined ratio97.3 %96.6 %102.2 %100.5 %99.9 %102.3 %105.3 %101.9 %105.4 %
Net catastrophe losses0.5 %0.8 %0.9 %1.0 %0.6 %0.4 %0.9 %0.8 %0.1 %
(Favorable) unfavorable prior year casualty reserve development— — 3.7 3.8 — — 1.7 — — 
Combined ratio before net catastrophe losses and prior year casualty development96.8 %95.8 %97.6 %95.7 %99.3 %101.9 %102.7 %101.1 %105.3 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$312.7 $1,121.5 $864.2 $582.9 $285.6 $976.9 $750.1 $497.4 $240.2 
Net premiums earned283.6 1,058.2 781.4 512.4 251.7 916.1 677.1 442.4 217.4 
Underwriting income (loss)7.6 2.5 (6.8)(0.9)0.3 (33.7)(28.3)(15.9)(11.7)
Loss and loss expense ratio66.6 %70.5 %71.5 %70.4 %69.7 %73.8 %74.2 %73.3 %74.3 %
Underwriting expense ratio30.7 29.2 29.3 29.6 29.9 29.8 30.0 30.3 31.0 
Dividend ratio— 0.1 0.1 0.2 0.3 0.1 — — 0.1 
Combined ratio97.3 %99.8 %100.9 %100.2 %99.9 %103.7 %104.2 %103.6 %105.4 %
Net catastrophe losses0.5 %0.8 %0.8 %0.8 %0.6 %0.5 %0.6 %0.5 %0.1 %
(Favorable) unfavorable prior year casualty reserve development— 1.9 2.6 2.0 — 0.4 0.6 — — 
Combined ratio before net catastrophe losses and prior year casualty development96.8 %97.1 %97.5 %97.4 %99.3 %102.8 %103.0 %103.1 %105.3 %
Note: Amounts may not foot due to rounding.
4


Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD COMMERCIAL LINES
COMMERCIAL PROPERTY
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$196.3 $174.6 $194.9 $195.4 $174.5 $154.9 $174.6 $167.7 $151.6 
Net premiums earned186.5 180.6 174.9 168.5 161.6 157.1 152.5 141.3 135.3 
Underwriting income (loss)30.0 74.9 (28.1)(3.0)9.6 24.1 1.0 (24.4)10.1 
Loss and loss expense ratio49.8 %23.6 %80.0 %67.4 %59.0 %48.9 %63.3 %80.4 %55.1 %
Underwriting expense ratio34.1 34.8 36.0 34.4 34.6 35.4 36.0 36.9 37.3 
Dividend ratio— 0.1 0.1 — 0.5 0.3 0.1 — 0.2 
Combined ratio83.9 %58.5 %116.1 %101.8 %94.1 %84.6 %99.4 %117.3 %92.6 %
Net catastrophe losses8.8 %(12.0)%53.6 %24.6 %20.3 %8.8 %19.8 %39.7 %20.5 %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development75.1 %70.5 %62.5 %77.2 %73.8 %75.8 %79.6 %77.6 %72.1 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$196.3 $739.5 $564.9 $370.0 $174.5 $648.8 $493.8 $319.3 $151.6 
Net premiums earned186.5 685.6 504.9 330.1 161.6 586.3 429.1 276.6 135.3 
Underwriting income (loss)30.0 53.3 (21.6)6.5 9.6 10.8 (13.4)(14.3)10.1 
Loss and loss expense ratio49.8 %57.0 %69.1 %63.2 %59.0 %61.6 %66.3 %68.0 %55.1 %
Underwriting expense ratio34.1 35.0 35.0 34.5 34.6 36.4 36.7 37.1 37.3 
Dividend ratio— 0.2 0.2 0.3 0.5 0.2 0.1 0.1 0.2 
Combined ratio83.9 %92.2 %104.3 %98.0 %94.1 %98.2 %103.1 %105.2 %92.6 %
Net catastrophe losses8.8 %21.3 %33.3 %22.5 %20.3 %21.8 %26.6 %30.3 %20.5 %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development75.1 %70.9 %71.0 %75.5 %73.8 %76.4 %76.5 %74.9 %72.1 %
Note: Amounts may not foot due to rounding.
5


Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD COMMERCIAL LINES
WORKERS COMPENSATION
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$86.1 $66.1 $70.9 $84.9 $98.8 $73.5 $75.6 $95.6 $93.4 
Net premiums earned79.0 76.3 81.3 82.3 87.8 79.1 81.7 88.7 84.2 
Underwriting income (loss)(4.7)27.5 8.2 3.9 18.2 54.3 13.9 12.6 14.6 
Loss and loss expense ratio77.8 %37.1 %63.0 %69.5 %52.2 %3.7 %56.7 %58.2 %54.0 %
Underwriting expense ratio27.1 26.3 25.5 24.8 26.2 27.1 25.2 25.6 27.4 
Dividend ratio1.0 0.6 1.4 1.0 0.9 0.5 1.1 2.0 1.3 
Combined ratio105.9 %64.0 %89.9 %95.3 %79.3 %31.3 %83.0 %85.8 %82.7 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— (32.7)(6.2)— (17.1)(63.2)(8.6)(8.5)(11.9)
Combined ratio before net catastrophe losses and prior year casualty development105.9 %96.7 %96.1 %95.3 %96.4 %94.5 %91.6 %94.3 %94.6 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$86.1 $320.6 $254.5 $183.6 $98.8 $338.1 $264.6 $189.0 $93.4 
Net premiums earned79.0 327.7 251.4 170.1 87.8 333.7 254.6 172.9 84.2 
Underwriting income (loss)(4.7)57.7 30.2 22.1 18.2 95.4 41.1 27.2 14.6 
Loss and loss expense ratio77.8 %55.7 %61.4 %60.5 %52.2 %43.9 %56.3 %56.1 %54.0 %
Underwriting expense ratio27.1 25.7 25.5 25.5 26.2 26.3 26.1 26.5 27.4 
Dividend ratio1.0 1.0 1.1 1.0 0.9 1.2 1.5 1.7 1.3 
Combined ratio105.9 %82.4 %88.0 %87.0 %79.3 %71.4 %83.9 %84.3 %82.7 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— (13.7)(8.0)(8.8)(17.1)(22.3)(9.6)(10.1)(11.9)
Combined ratio before net catastrophe losses and prior year casualty development105.9 %96.1 %96.0 %95.8 %96.4 %93.7 %93.5 %94.4 %94.6 %
Note: Amounts may not foot due to rounding.

6

Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD COMMERCIAL LINES
BUSINESSOWNERS’ POLICIES (BOP)
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$51.0 $50.2 $44.9 $43.3 $44.7 $42.7 $37.9 $35.7 $36.6 
Net premiums earned46.9 44.7 43.1 41.6 39.9 37.0 36.0 34.4 33.2 
Underwriting income (loss)10.1 (6.2)8.8 (0.1)5.4 (0.6)(1.3)(0.3)(6.3)
Loss and loss expense ratio44.0 %76.6 %45.2 %68.6 %51.9 %62.9 %68.4 %67.0 %80.3 %
Underwriting expense ratio34.5 37.3 34.3 31.6 34.5 38.7 35.2 33.7 38.6 
Dividend ratio— — — — — — — — — 
Combined ratio78.5 %113.9 %79.5 %100.2 %86.4 %101.6 %103.6 %100.7 %118.9 %
Net catastrophe losses4.2 %25.1 %10.2 %16.1 %10.6 %4.1 %12.2 %13.3 %21.7 %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development74.3 %88.8 %69.3 %84.1 %75.8 %97.5 %91.4 %87.4 %97.2 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$51.0 $183.0 $132.9 $88.0 $44.7 $152.9 $110.2 $72.3 $36.6 
Net premiums earned46.9 169.3 124.7 81.6 39.9 140.5 103.6 67.6 33.2 
Underwriting income (loss)10.1 8.0 14.2 5.4 5.4 (8.4)(7.8)(6.5)(6.3)
Loss and loss expense ratio44.0 %60.8 %55.1 %60.3 %51.9 %69.5 %71.8 %73.6 %80.3 %
Underwriting expense ratio34.5 34.5 33.5 33.1 34.5 36.5 35.8 36.1 38.6 
Dividend ratio— — — — — — — — — 
Combined ratio78.5 %95.3 %88.6 %93.4 %86.4 %106.0 %107.6 %109.7 %118.9 %
Net catastrophe losses4.2 %15.7 %12.3 %13.4 %10.6 %12.6 %15.6 %17.4 %21.7 %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development74.3 %79.6 %76.3 %80.0 %75.8 %93.4 %92.0 %92.3 %97.2 %
Note: Amounts may not foot due to rounding.

7

Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD COMMERCIAL LINES
BONDS
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$14.4 $12.2 $13.2 $13.9 $12.4 $10.7 $11.4 $13.4 $11.8 
Net premiums earned13.3 12.7 12.5 12.5 12.1 11.5 11.7 11.6 11.4 
Underwriting income (loss)1.7 2.2 6.8 2.0 2.1 1.9 2.4 2.1 2.0 
Loss and loss expense ratio28.9 %27.3 %(12.7)%27.2 %27.6 %25.6 %24.7 %24.4 %24.8 %
Underwriting expense ratio58.2 55.3 58.1 56.8 55.2 57.6 54.9 57.6 57.4 
Dividend ratio— — — — — — — — — 
Combined ratio87.1 %82.6 %45.4 %84.0 %82.8 %83.2 %79.6 %82.0 %82.2 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— — (40.0)— — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development87.1 %82.6 %85.4 %84.0 %82.8 %83.2 %79.6 %82.0 %82.2 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$14.4 $51.7 $39.5 $26.4 $12.4 $47.4 $36.6 $25.2 $11.8 
Net premiums earned13.3 49.7 37.1 24.6 12.1 46.2 34.7 23.0 11.4 
Underwriting income (loss)1.7 13.1 10.9 4.1 2.1 8.4 6.5 4.1 2.0 
Loss and loss expense ratio28.9 %17.4 %13.9 %27.4 %27.6 %24.9 %24.7 %24.6 %24.8 %
Underwriting expense ratio58.2 56.3 56.7 56.0 55.2 56.9 56.6 57.5 57.4 
Dividend ratio— — — — — — — — — 
Combined ratio87.1 %73.7 %70.6 %83.4 %82.8 %81.8 %81.3 %82.1 %82.2 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— (10.1)(13.5)— — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development87.1 %83.8 %84.1 %83.4 %82.8 %81.8 %81.3 %82.1 %82.2 %
Note: Amounts may not foot due to rounding.

8

Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD COMMERCIAL LINES
COMMERCIAL OTHER
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$8.9 $8.0 $8.0 $8.4 $8.2 $7.4 $7.6 $7.7 $7.6 
Net premiums earned8.2 8.1 7.9 7.8 7.6 7.4 7.3 7.0 6.9 
Underwriting income (loss)4.1 4.1 4.2 3.7 4.3 3.8 3.4 3.7 3.1 
Loss and loss expense ratio3.2 %(0.5)%(0.2)%1.2 %0.7 %(0.5)%0.2 %0.1 %(0.3)%
Underwriting expense ratio47.4 49.3 47.4 51.9 43.4 48.7 52.6 47.4 54.6 
Dividend ratio(0.1)0.1 — — (0.1)0.2 — — 0.1 
Combined ratio50.5 %48.9 %47.2 %53.1 %44.0 %48.4 %52.8 %47.5 %54.4 %
Net catastrophe losses— %— %— %0.1 %— %— %— %0.1 %— %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development50.5 %48.9 %47.2 %53.0 %44.0 %48.4 %52.8 %47.4 %54.4 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$8.9 $32.6 $24.6 $16.6 $8.2 $30.2 $22.8 $15.2 $7.6 
Net premiums earned8.2 31.5 23.4 15.4 7.6 28.6 21.1 13.9 6.9 
Underwriting income (loss)4.1 16.3 12.1 7.9 4.3 14.1 10.2 6.8 3.1 
Loss and loss expense ratio3.2 %0.3 %0.5 %0.9 %0.7 %(0.1)%0.1 %— %(0.3)%
Underwriting expense ratio47.4 48.0 47.6 47.7 43.4 50.8 51.5 50.9 54.6 
Dividend ratio(0.1)— — — (0.1)0.1 — — 0.1 
Combined ratio50.5 %48.3 %48.1 %48.6 %44.0 %50.8 %51.6 %50.9 %54.4 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development50.5 %48.3 %48.1 %48.6 %44.0 %50.8 %51.6 %50.9 %54.4 %
Note: Amounts may not foot due to rounding.

9

Selective Insurance Group, Inc. & Consolidated Subsidiaries

TOTAL STANDARD COMMERCIAL LINES
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$1,003.2 $833.4 $903.9 $963.1 $931.7 $764.3 $833.6 $870.1 $813.3 
Net premiums earned912.2 884.6 875.4 853.5 834.1 792.1 785.3 762.7 731.6 
Underwriting income (loss)32.9 (1.8)7.3 (160.9)10.4 54.9 41.3 22.1 38.9 
Loss and loss expense ratio63.8 %68.5 %67.6 %87.6 %66.7 %61.0 %62.8 %65.0 %61.2 %
Underwriting expense ratio32.5 31.6 31.4 31.1 31.7 31.9 31.7 31.9 33.3 
Dividend ratio0.1 0.1 0.2 0.1 0.4 0.2 0.2 0.2 0.2 
Combined ratio96.4 %100.2 %99.2 %118.8 %98.8 %93.1 %94.7 %97.1 %94.7 %
Net catastrophe losses2.2 %(0.9)%11.5 %6.0 %4.6 %2.0 %4.7 %8.2 %4.8 %
(Favorable) unfavorable prior year casualty reserve development— 8.5 — 20.6 4.2 0.6 (0.4)(1.0)(1.4)
Combined ratio before net catastrophe losses and prior year casualty development94.2 %92.6 %87.7 %92.2 %90.0 %90.5 %90.4 %89.9 %91.3 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$1,003.2 $3,632.1 $2,798.7 $1,894.8 $931.7 $3,281.3 $2,517.0 $1,683.5 $813.3 
Net premiums earned912.2 3,447.6 2,563.0 1,687.6 834.1 3,071.8 2,279.7 1,494.3 731.6 
Underwriting income (loss)32.9 (145.0)(143.2)(150.5)10.4 157.3 102.4 61.1 38.9 
Loss and loss expense ratio63.8 %72.5 %74.0 %77.2 %66.7 %62.5 %63.0 %63.1 %61.2 %
Underwriting expense ratio32.5 31.5 31.4 31.4 31.7 32.2 32.3 32.6 33.3 
Dividend ratio0.1 0.2 0.2 0.3 0.4 0.2 0.2 0.2 0.2 
Combined ratio96.4 %104.2 %105.6 %108.9 %98.8 %94.9 %95.5 %95.9 %94.7 %
Net catastrophe losses2.2 %5.3 %7.4 %5.3 %4.6 %4.9 %5.9 %6.5 %4.8 %
(Favorable) unfavorable prior year casualty reserve development— 8.3 8.2 12.5 4.2 (0.5)(0.9)(1.2)(1.4)
Combined ratio before net catastrophe losses and prior year casualty development94.2 %90.6 %90.0 %91.1 %90.0 %90.5 %90.5 %90.6 %91.3 %
Note: Amounts may not foot due to rounding.

10

Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD PERSONAL LINES
PERSONAL AUTOMOBILE
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$45.3 $50.3 $54.1 $59.6 $55.0 $56.6 $59.5 $59.9 $49.0 
Net premiums earned53.0 55.0 56.6 57.5 57.0 55.0 51.9 48.2 44.9 
Underwriting income (loss)(5.9)(10.8)(3.4)(6.3)(11.5)(18.9)(14.0)(11.3)(7.8)
Loss and loss expense ratio85.1 %94.3 %81.2 %86.6 %94.2 %107.4 %100.1 %94.8 %87.3 %
Underwriting expense ratio26.1 25.4 24.9 24.3 26.0 27.1 26.8 28.6 30.1 
Combined ratio111.2 %119.7 %106.1 %110.9 %120.2 %134.5 %126.9 %123.4 %117.4 %
Net catastrophe losses0.2 %1.7 %2.5 %4.1 %1.2 %1.8 %3.4 %2.5 %(0.4)%
(Favorable) unfavorable prior year casualty reserve development9.4 9.1 — — 8.8 9.1 5.8 8.3 4.5 
Combined ratio before net catastrophe losses and prior year casualty development101.6 %108.9 %103.6 %106.8 %110.2 %123.6 %117.7 %112.6 %113.3 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$45.3 $219.0 $168.7 $114.6 $55.0 $224.9 $168.3 $108.8 $49.0 
Net premiums earned53.0 226.1 171.1 114.5 57.0 200.0 145.1 93.1 44.9 
Underwriting income (loss)(5.9)(32.1)(21.2)(17.8)(11.5)(52.0)(33.0)(19.1)(7.8)
Loss and loss expense ratio85.1 %89.1 %87.3 %90.4 %94.2 %97.9 %94.4 %91.2 %87.3 %
Underwriting expense ratio26.1 25.1 25.1 25.1 26.0 28.1 28.4 29.3 30.1 
Combined ratio111.2 %114.2 %112.4 %115.5 %120.2 %126.0 %122.8 %120.5 %117.4 %
Net catastrophe losses0.2 %2.4 %2.6 %2.6 %1.2 %1.9 %1.9 %1.1 %(0.4)%
(Favorable) unfavorable prior year casualty reserve development9.4 4.4 2.9 4.4 8.8 7.0 6.2 6.4 4.5 
Combined ratio before net catastrophe losses and prior year casualty development101.6 %107.4 %106.9 %108.5 %110.2 %117.1 %114.7 %113.0 %113.3 %
Note: Amounts may not foot due to rounding.

11

Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD PERSONAL LINES
HOMEOWNERS
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$39.8 $49.4 $53.0 $53.4 $42.2 $46.7 $50.0 $46.5 $34.3 
Net premiums earned47.9 48.2 47.3 46.1 44.1 42.7 40.2 36.9 35.0 
Underwriting income (loss)3.4 13.4 (29.0)(17.7)1.6 (1.8)(17.6)(16.0)(8.9)
Loss and loss expense ratio65.0 %43.8 %132.9 %110.9 %68.2 %75.6 %116.1 %113.4 %95.7 %
Underwriting expense ratio27.8 28.4 28.4 27.5 28.2 28.7 27.7 29.8 29.7 
Combined ratio92.8 %72.2 %161.3 %138.4 %96.4 %104.3 %143.8 %143.2 %125.4 %
Net catastrophe losses14.6 %0.2 %85.2 %50.0 %25.3 %19.0 %56.2 %54.1 %42.3 %
(Favorable) unfavorable prior year casualty reserve development— — — — (11.3)— — — — 
Combined ratio before net catastrophe losses and prior year casualty development78.2 %72.0 %76.1 %88.4 %82.4 %85.3 %87.6 %89.1 %83.1 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$39.8 $197.9 $148.5 $95.6 $42.2 $177.6 $130.8 $80.8 $34.3 
Net premiums earned47.9 185.7 137.4 90.2 44.1 154.8 112.1 71.9 35.0 
Underwriting income (loss)3.4 (31.7)(45.1)(16.1)1.6 (44.3)(42.5)(24.8)(8.9)
Loss and loss expense ratio65.0 %89.0 %104.8 %90.0 %68.2 %99.7 %108.9 %104.7 %95.7 %
Underwriting expense ratio27.8 28.1 28.0 27.8 28.2 28.9 29.0 29.8 29.7 
Combined ratio92.8 %117.1 %132.8 %117.8 %96.4 %128.6 %137.9 %134.5 %125.4 %
Net catastrophe losses14.6 %40.2 %54.2 %37.9 %25.3 %42.3 %51.2 %48.3 %42.3 %
(Favorable) unfavorable prior year casualty reserve development— (2.7)(3.6)(5.5)(11.3)— — — — 
Combined ratio before net catastrophe losses and prior year casualty development78.2 %79.6 %82.2 %85.4 %82.4 %86.3 %86.7 %86.2 %83.1 %
Note: Amounts may not foot due to rounding.

12

Selective Insurance Group, Inc. & Consolidated Subsidiaries

STANDARD PERSONAL LINES
PERSONAL OTHER
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$2.4 $4.0 $3.9 $3.2 $2.8 $3.7 $3.7 $2.7 $2.0 
Net premiums earned2.7 3.9 3.7 2.8 2.8 3.3 3.1 2.0 1.9 
Underwriting income (loss)4.5 6.4 8.6 4.7 4.6 3.8 5.5 4.2 3.6 
Loss and loss expense ratio15.5 %(7.9)%(70.0)%17.8 %20.0 %37.0 %28.7 %21.6 %23.8 %
Underwriting expense ratio(80.3)(57.2)(64.7)(82.6)(85.9)(51.1)(106.0)(125.9)(110.6)
Combined ratio(64.8)%(65.1)%(134.7)%(64.8)%(65.9)%(14.1)%(77.3)%(104.3)%(86.8)%
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development(64.8)%(65.1)%(134.7)%(64.8)%(65.9)%(14.1)%(77.3)%(104.3)%(86.8)%
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$2.4 $13.8 $9.8 $5.9 $2.8 $12.1 $8.4 $4.7 $2.0 
Net premiums earned2.7 13.1 9.3 5.6 2.8 10.4 7.1 4.0 1.9 
Underwriting income (loss)4.5 24.2 17.9 9.3 4.6 17.0 13.3 7.8 3.6 
Loss and loss expense ratio15.5 %(13.9)%(16.3)%18.9 %20.0 %28.9 %25.3 %22.6 %23.8 %
Underwriting expense ratio(80.3)(70.8)(76.5)(84.2)(85.9)(93.3)(113.0)(118.4)(110.6)
Combined ratio(64.8)%(84.7)%(92.8)%(65.3)%(65.9)%(64.4)%(87.7)%(95.8)%(86.8)%
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development(64.8)%(84.7)%(92.8)%(65.3)%(65.9)%(64.4)%(87.7)%(95.8)%(86.8)%
Note: Amounts may not foot due to rounding.

13

Selective Insurance Group, Inc. & Consolidated Subsidiaries

TOTAL STANDARD PERSONAL LINES
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$87.5 $103.6 $111.0 $116.1 $99.9 $107.0 $113.2 $109.1 $85.3 
Net premiums earned103.7 107.1 107.5 106.4 103.8 101.0 95.2 87.2 81.9 
Underwriting income (loss)2.0 8.9 (23.8)(19.3)(5.3)(17.0)(26.1)(23.1)(13.1)
Loss and loss expense ratio73.9 %67.9 %98.7 %95.3 %81.2 %91.7 %104.5 %101.0 %89.4 %
Underwriting expense ratio24.1 23.8 23.4 22.8 23.9 25.2 22.9 25.5 26.6 
Combined ratio98.0 %91.7 %122.1 %118.1 %105.1 %116.9 %127.4 %126.5 %116.0 %
Net catastrophe losses6.9 %1.0 %38.8 %23.9 %11.4 %9.1 %25.6 %24.3 %17.9 %
(Favorable) unfavorable prior year casualty reserve development4.8 4.7 — — — 5.0 3.2 4.6 2.4 
Combined ratio before net catastrophe losses and prior year casualty development86.3 %86.0 %83.3 %94.2 %93.7 %102.8 %98.6 %97.6 %95.7 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$87.5 $430.7 $327.1 $216.1 $99.9 $414.6 $307.5 $194.4 $85.3 
Net premiums earned103.7 424.9 317.8 210.3 103.8 365.2 264.2 169.0 81.9 
Underwriting income (loss)2.0 (39.5)(48.4)(24.6)(5.3)(79.3)(62.2)(36.1)(13.1)
Loss and loss expense ratio73.9 %85.8 %91.8 %88.3 %81.2 %96.7 %98.7 %95.4 %89.4 %
Underwriting expense ratio24.1 23.5 23.4 23.4 23.9 25.0 24.9 26.0 26.6 
Combined ratio98.0 %109.3 %115.2 %111.7 %105.1 %121.7 %123.6 %121.4 %116.0 %
Net catastrophe losses6.9 %18.8 %24.8 %17.7 %11.4 %19.0 %22.8 %21.2 %17.9 %
(Favorable) unfavorable prior year casualty reserve development4.8 1.2 — — — 3.8 3.4 3.5 2.4 
Combined ratio before net catastrophe losses and prior year casualty development86.3 %89.3 %90.4 %94.0 %93.7 %98.9 %97.4 %96.7 %95.7 %
Note: Amounts may not foot due to rounding.

14

Selective Insurance Group, Inc. & Consolidated Subsidiaries

EXCESS & SURPLUS
CASUALTY
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$90.7 $88.8 $83.3 $86.6 $77.1 $73.7 $69.8 $68.3 $68.7 
Net premiums earned85.1 84.9 77.5 73.9 71.6 70.5 67.7 62.2 60.8 
Underwriting income (loss)(0.4)(17.8)4.6 4.4 4.5 6.5 5.1 3.7 8.8 
Loss and loss expense ratio68.3 %91.5 %62.4 %62.6 %62.7 %61.1 %61.4 %61.6 %53.3 %
Underwriting expense ratio32.2 29.5 31.7 31.4 31.0 29.6 31.1 32.4 32.3 
Combined ratio100.5 %121.0 %94.1 %94.0 %93.7 %90.7 %92.5 %94.0 %85.6 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— 23.6 — — — — — — (8.2)
Combined ratio before net catastrophe losses and prior year casualty development100.5 %97.4 %94.1 %94.0 %93.7 %90.7 %92.5 %94.0 %93.8 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$90.7 $335.9 $247.0 $163.7 $77.1 $280.6 $206.9 $137.0 $68.7 
Net premiums earned85.1 307.9 223.0 145.5 71.6 261.1 190.7 123.0 60.8 
Underwriting income (loss)(0.4)(4.3)13.5 8.9 4.5 24.1 17.6 12.5 8.8 
Loss and loss expense ratio68.3 %70.6 %62.6 %62.7 %62.7 %59.5 %58.9 %57.5 %53.3 %
Underwriting expense ratio32.2 30.8 31.4 31.2 31.0 31.3 31.9 32.3 32.3 
Combined ratio100.5 %101.4 %94.0 %93.9 %93.7 %90.8 %90.8 %89.8 %85.6 %
Net catastrophe losses— %— %— %— %— %— %— %— %— %
(Favorable) unfavorable prior year casualty reserve development— 6.5 — — — (1.9)(2.6)(4.1)(8.2)
Combined ratio before net catastrophe losses and prior year casualty development100.5 %94.9 %94.0 %93.9 %93.7 %92.7 %93.4 %93.9 %93.8 %
Note: Amounts may not foot due to rounding.

15

Selective Insurance Group, Inc. & Consolidated Subsidiaries

EXCESS & SURPLUS
PROPERTY
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$59.0 $63.8 $59.3 $60.3 $47.9 $46.5 $41.8 $37.3 $32.5 
Net premiums earned57.8 56.4 51.9 46.4 41.4 37.6 33.7 30.1 28.0 
Underwriting income (loss)11.1 27.5 17.2 2.1 9.5 19.2 11.3 (4.3)4.6 
Loss and loss expense ratio51.6 %21.9 %37.8 %64.4 %46.4 %17.6 %32.9 %80.8 %51.8 %
Underwriting expense ratio29.1 29.4 29.1 31.1 30.7 31.4 33.7 33.6 31.9 
Combined ratio80.7 %51.3 %66.9 %95.5 %77.1 %49.0 %66.6 %114.4 %83.7 %
Net catastrophe losses28.4 %(5.1)%12.9 %30.8 %11.9 %(1.9)%10.5 %54.1 %19.9 %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development52.3 %56.4 %54.0 %64.7 %65.2 %50.9 %56.1 %60.3 %63.8 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$59.0 $231.3 $167.5 $108.2 $47.9 $158.0 $111.6 $69.8 $32.5 
Net premiums earned57.8 196.1 139.6 87.8 41.4 129.5 91.9 58.2 28.0 
Underwriting income (loss)11.1 56.2 28.7 11.6 9.5 30.6 11.5 0.2 4.6 
Loss and loss expense ratio51.6 %41.3 %49.1 %55.9 %46.4 %43.7 %54.4 %66.8 %51.8 %
Underwriting expense ratio29.1 30.0 30.3 30.9 30.7 32.6 33.1 32.8 31.9 
Combined ratio80.7 %71.3 %79.4 %86.8 %77.1 %76.3 %87.5 %99.6 %83.7 %
Net catastrophe losses28.4 %11.7 %18.5 %21.9 %11.9 %19.1 %27.6 %37.6 %19.9 %
(Favorable) unfavorable prior year casualty reserve development— — — — — — — — — 
Combined ratio before net catastrophe losses and prior year casualty development52.3 %59.6 %60.9 %64.9 %65.2 %57.2 %59.9 %62.0 %63.8 %
Note: Amounts may not foot due to rounding.

16

Selective Insurance Group, Inc. & Consolidated Subsidiaries

TOTAL EXCESS & SURPLUS LINES
GAAP LINE OF BUSINESS RESULTS
(Unaudited)

Quarter-Ended
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$149.7 $152.6 $142.7 $146.8 $125.0 $120.2 $111.6 $105.7 $101.2 
Net premiums earned142.9 141.3 129.3 120.3 113.0 108.1 101.4 92.3 88.9 
Underwriting income (loss)10.7 9.7 21.7 6.5 14.0 25.7 16.4 (0.6)13.3 
Loss and loss expense ratio61.6 %63.6 %52.5 %63.3 %56.7 %45.9 %51.9 %67.9 %52.8 %
Underwriting expense ratio30.9 29.5 30.7 31.3 30.9 30.3 32.0 32.8 32.2 
Combined ratio92.5 %93.1 %83.2 %94.6 %87.6 %76.2 %83.9 %100.7 %85.0 %
Net catastrophe losses11.5 %(2.0)%5.2 %11.9 %4.3 %(0.7)%3.5 %17.6 %6.3 %
(Favorable) unfavorable prior year casualty reserve development— 14.2 — — — — — — (5.6)
Combined ratio before net catastrophe losses and prior year casualty development81.0 %80.9 %78.0 %82.7 %83.3 %76.9 %80.4 %83.1 %84.3 %
Year-to-Date
Mar. 31Dec. 31Sept. 30June 30Mar. 31Dec. 31Sept. 30June 30Mar. 31
($ in millions)202520242024202420242023202320232023
Net premiums written$149.7 $567.2 $414.5 $271.9 $125.0 $438.6 $318.4 $206.8 $101.2 
Net premiums earned142.9 504.0 362.6 233.3 113.0 390.6 282.5 181.1 88.9 
Underwriting income (loss)10.7 51.9 42.2 20.5 14.0 54.8 29.1 12.7 13.3 
Loss and loss expense ratio61.6 %59.2 %57.5 %60.1 %56.7 %54.3 %57.4 %60.5 %52.8 %
Underwriting expense ratio30.9 30.5 30.9 31.1 30.9 31.7 32.3 32.5 32.2 
Combined ratio92.5 %89.7 %88.4 %91.2 %87.6 %86.0 %89.7 %93.0 %85.0 %
Net catastrophe losses11.5 %4.6 %7.1 %8.2 %4.3 %6.3 %9.0 %12.1 %6.3 %
(Favorable) unfavorable prior year casualty reserve development— 4.0 — — — (1.3)(1.8)(2.8)(5.6)
Combined ratio before net catastrophe losses and prior year casualty development81.0 %81.1 %81.3 %83.0 %83.3 %81.0 %82.5 %83.7 %84.3 %
Note: Amounts may not foot due to rounding.

17