ARCH INSURANCE COMPANY

2001 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 0.52% $466,952.00 $157,936.00 $96,183.00 $117,981.00 74.70%
Missouri Total 100.00% $89,023,604 $83,770,150 $59,840,556 $58,876,439 70.28%



ARCH INSURANCE COMPANY

2001 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 0.08% $49,018.00 $16,578.00 $10,097.00 $12,385.00 74.71%
Missouri Total 100.00% $60,069,425 $56,196,985 $60,624,955 $60,853,849 108.29%



ARCH INSURANCE COMPANY

2001 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 0.00% $0.00 $119,326.00 $18,419.00 $-557,712.00 -467.39%
Missouri Total 100.00% $201,535,699 $192,610,379 $127,619,526 $140,587,106 72.99%



ARCH INSURANCE COMPANY

2001 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 -0.06% $-284,942.00 $-29,053.00 $0.00 $-31,605.00 108.78%
Missouri Total 100.00% $467,186,106 $434,710,993 $365,393,232 $374,772,510 86.21%



ARCH INSURANCE COMPANY

2001 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 0.00% $0.00 $5,118.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $51,315,478 $50,206,810 $46,643,918 $49,472,639 98.54%



ARCH INSURANCE COMPANY

2001 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 0.10% $134,000.00 $134,098.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $136,243,514 $130,635,934 $67,744,367 $61,731,657 47.25%



ARCH INSURANCE COMPANY

2001 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 0.27% $1,992,335.00 $1,747,581.00 $1,305,831.00 $1,327,443.00 75.96%
Missouri Total 100.00% $739,147,615 $728,930,013 $480,638,513 $483,443,316 66.32%



ARCH INSURANCE COMPANY

2001 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% $0.00 $0.00 $12,664.00 $12,664.00 0.00%
Missouri Total 100.00% $389,581,471 $384,414,330 $515,333,582 $516,446,685 134.35%



ARCH INSURANCE COMPANY

2001 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% $0.00 $0.00 $505,132.00 $535,715.00 0.00%
Missouri Total 100.00% $438,818,978 $435,702,792 $359,254,775 $363,422,021 83.41%



ARCH INSURANCE COMPANY

2001 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 0.11% $515,970.00 $293,840.00 $124,699.00 $-427,346.00 -145.43%
Missouri Total 100.00% $472,439,172 $443,940,822 $306,934,959 $331,112,684 74.58%



ARCH INSURANCE COMPANY

2001 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% $0.00 $5,118.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $161,378,427 $148,321,206 $100,302,396 $146,233,999 98.59%



ARCH INSURANCE COMPANY

2001 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 0.08% $1,992,335.00 $1,747,581.00 $1,823,627.00 $1,875,822.00 107.34%
Missouri Total 100.00% $2,412,777,240 $2,394,340,556 $1,853,274,701 $1,896,476,609 79.21%



ARCH INSURANCE COMPANY

2001 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 0.04% $2,357,363.00 $2,151,584.00 $1,948,326.00 $1,416,871.00 65.85%
Missouri Total 100.00% $6,188,970,011 $5,903,395,113 $4,903,959,691 $5,108,444,948 86.53%



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