ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Commercial Auto Collision

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.28% $224,563.00 $124,827.00 $65,544.00 $81,900.00 65.61%
Missouri Total 100.00% $78,903,780 $78,036,336 $54,827,878 $55,171,473 70.70%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Commercial Auto Comprehensive

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.05% $23,573.00 $13,103.00 $6,781.00 $8,597.00 65.61%
Missouri Total 100.00% $49,974,077 $48,409,225 $28,598,278 $29,317,786 60.56%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Commercial Auto Liability Bodily Injury

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.05% $95,366.00 $25,974.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $182,720,638 $178,571,521 $132,016,621 $146,759,872 82.19%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Commercial Auto Liability Property Damage

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.10% $69,058.00 $18,809.00 $669.00 $-154,260.00 -820.14%
Missouri Total 100.00% $70,556,568 $67,819,849 $53,660,974 $55,232,918 81.44%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Commercial Multi-Peril

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.07% $306,696.00 $30,973.00 $0.00 $19,376.00 62.56%
Missouri Total 100.00% $409,174,258 $392,477,924 $247,870,965 $264,005,456 67.27%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Dwelling Fire & Allied Lines

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.01% $6,265.00 $6,854.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $44,867,048 $44,644,098 $29,268,786 $33,345,600 74.69%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Inland Marine (Incl Auto Cargo)

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $346.00 $973.00 $0.00 $-157.00 -16.14%
Missouri Total 100.00% $141,526,491 $142,015,672 $73,335,863 $78,325,790 55.15%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Other Liability - Bodily Injury & Property Damage

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $0.00 $87.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $320,750,663 $294,336,758 $208,370,573 $235,093,535 79.87%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Private Passenger Auto Collision

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-6,300.00 $24,510.00 $-54,796.00 $-76,760.00 -313.18%
Missouri Total 100.00% $680,511,713 $673,852,841 $437,468,761 $447,521,657 66.41%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Private Passenger Auto Comprehensive

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-2,368.00 $13,809.00 $4,765.00 $3,082.00 22.32%
Missouri Total 100.00% $364,645,586 $362,479,868 $207,401,164 $212,909,222 58.74%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Private Passenger Auto Liability Bodily Injury

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-6,729.00 $27,525.00 $333,618.00 $-34,716.00 -126.13%
Missouri Total 100.00% $623,565,090 $626,953,600 $365,644,038 $378,369,614 60.35%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Private Passenger Auto Liability Property Damage

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-6,502.00 $26,624.00 $76,241.00 $-18,759.00 -70.46%
Missouri Total 100.00% $409,501,544 $406,752,043 $338,975,612 $349,636,212 85.96%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Private Passenger Auto Medical Payments

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-164.00 $899.00 $3,661.00 $-4,339.00 -482.65%
Missouri Total 100.00% $73,531,229 $74,181,934 $56,429,206 $78,022,733 105.18%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Private Passenger Underinsured Motorists

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-2.00 $180.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $28,245,682 $28,070,928 $16,531,400 $3,850,480 13.72%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Private Passenger Uninsured Motorists

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-800.00 $3,922.00 $107,476.00 $-12,524.00 -319.33%
Missouri Total 100.00% $95,175,027 $95,770,797 $47,269,403 $48,793,029 50.95%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Total Commercial Automobile

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.10% $412,560.00 $182,713.00 $72,994.00 $-63,763.00 -34.90%
Missouri Total 100.00% $402,877,460 $392,045,184 $279,409,135 $302,452,475 77.15%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Total Fire & Allied Lines

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $6,265.00 $6,854.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $133,143,929 $126,685,225 $85,117,779 $88,074,407 69.52%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Total Private Passenger Automobile

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-22,865.00 $97,469.00 $470,965.00 $-144,016.00 -147.76%
Missouri Total 100.00% $2,277,993,949 $2,270,889,022 $1,470,621,691 $1,520,036,661 66.94%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

Total Property & Casualty

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.05% $2,624,182.00 $2,124,219.00 $1,217,442.00 $630,529.00 29.68%
Missouri Total 100.00% $5,624,624,221 $5,478,219,001 $3,552,012,020 $3,657,853,635 66.77%



ARCH INSURANCE COMPANY

2000 Supplemental Data for

Property & Casualty

VSI/Collateral Protection

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 34.66% $1,921,180.00 $1,805,150.00 $673,483.00 $819,089.00 45.38%
Missouri Total 100.00% $5,542,818 $5,398,661 $1,942,385 $1,967,698 36.45%



Additional data is available for this company for the following year(s):