ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Aircraft

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.48% $160,069.00 $257,545.00 $18,532.00 $88,434.00 34.34%
Missouri Total 100.00% $33,388,422 $33,883,394 $19,256,853 $5,255,177 15.51%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Boiler & Machinery

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.03% $5,396.00 $5,271.00 $0.00 $226.00 4.29%
Missouri Total 100.00% $19,710,931 $19,914,744 $4,046,366 $2,532,523 12.72%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Burglary & Theft

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-1.00 $-1.00 $0.00 $-2.00 200.00%
Missouri Total 100.00% $3,182,069 $3,381,487 $321,486 $359,240 10.62%



ARCH INSURANCE COMPANY

2007 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 0.11% $95,316.00 $114,829.00 $47,236.00 $33,493.00 29.17%
Missouri Total 100.00% $86,538,763 $87,149,357 $46,101,509 $46,531,157 53.39%



ARCH INSURANCE COMPANY

2007 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 0.35% $202,548.00 $244,011.00 $100,378.00 $71,173.00 29.17%
Missouri Total 100.00% $58,387,652 $59,263,543 $25,355,809 $25,958,109 43.80%



ARCH INSURANCE COMPANY

2007 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 0.38% $961,791.00 $831,335.00 $60,567.00 $259,614.00 31.23%
Missouri Total 100.00% $253,574,124 $255,111,322 $189,701,291 $173,304,828 67.93%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Commercial Fire & Allied Lines

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.34% $484,901.00 $438,256.00 $67,539.00 $-812,575.00 -185.41%
Missouri Total 100.00% $144,026,467 $144,446,977 $52,390,607 $30,932,182 21.41%



ARCH INSURANCE COMPANY

2007 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 0.19% $1,160,361.00 $1,157,183.00 $562,169.00 $953,604.00 82.41%
Missouri Total 100.00% $624,940,170 $624,330,193 $333,873,467 $302,067,806 48.38%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Direct Workers Compensation

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total -0.03% $-330,373.00 $-467,784.00 $234,399.00 $84,838.00 -18.14%
Missouri Total 100.00% $989,406,000 $970,897,495 $441,727,642 $532,644,865 54.86%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Earthquake

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.20% $158,716.00 $119,732.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $79,029,470 $76,674,346 $28,862 $-135,014 -0.18%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Excess Workers Compensation

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 1.08% $282,047.00 $141,546.00 $0.00 $82,746.00 58.46%
Missouri Total 100.00% $26,235,054 $24,889,904 $6,086,873 $11,596,087 46.59%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Fidelity

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-44.00 $-11.00 $0.00 $-303.00 2,754.55%
Missouri Total 100.00% $21,914,254 $21,387,403 $5,210,221 $3,731,487 17.45%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Accident & Health

Group Stop Loss

Market_Share Number of Insureds Direct Premium Written Direct Premium Earned Dividends Paid Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% 0 $0.00 $0.00 $0.00 $0.00 $-26,772.00 0.00%
Missouri Total 100.00% 787,028 $121,404,526 $123,205,114 $0 $102,608,262 $107,131,127 86.95%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Accident & Health

Individual Limited Benefit

Market_Share Number of Insureds Direct Premium Written Direct Premium Earned Dividends Paid Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.83% 51 $305,293.00 $288,298.00 $0.00 $391,638.00 $362,541.00 125.75%
Missouri Total 100.00% 153,438 $36,585,400 $36,696,997 $8,362 $19,096,230 $22,746,280 61.98%



ARCH INSURANCE COMPANY

2007 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 0.12% $286,689.00 $348,488.00 $368,197.00 $329,183.00 94.46%
Missouri Total 100.00% $239,442,069 $236,471,744 $112,810,278 $95,566,111 40.41%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Ocean Marine

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $-228.00 $-28.00 $0.00 $-30.00 107.14%
Missouri Total 100.00% $37,888,210 $39,107,765 $50,266,074 $31,376,670 80.23%



ARCH INSURANCE COMPANY

2007 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 1.14% $6,541,772.00 $6,951,971.00 $816,575.00 $3,043,551.00 43.78%
Missouri Total 100.00% $575,434,677 $590,437,730 $260,993,910 $258,810,100 43.83%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Other Specific

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $0.00 $0.00 $0.00 $-57.00 0.00%
Missouri Total 100.00% $6,212,628 $5,716,205 $2,838,629 $2,811,572 49.19%



ARCH INSURANCE COMPANY

2007 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% $0.00 $0.00 $-1,853.00 $-3,949.00 0.00%
Missouri Total 100.00% $708,860,964 $710,973,342 $437,992,152 $443,359,132 62.36%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Products Liability

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.75% $278,954.00 $255,126.00 $1,000.00 $118,263.00 46.35%
Missouri Total 100.00% $37,364,634 $39,698,625 $24,495,724 $1,772,988 4.47%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Property & Casualty

Surety

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.37% $320,465.00 $286,509.00 $0.00 $-159,708.00 -55.74%
Missouri Total 100.00% $86,709,776 $77,899,558 $13,644,816 $14,760,297 18.95%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Accident & Health

Total Accident & Health

Market_Share Number of Insureds Direct Premium Written Direct Premium Earned Dividends Paid Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% 51 $305,293.00 $288,298.00 $0.00 $391,638.00 $335,769.00 116.47%
Missouri Total 100.00% 14,781,584 $6,321,663,058 $6,300,472,351 $2,820,494 $4,786,573,315 $4,914,517,495 78.00%



ARCH INSURANCE COMPANY

2007 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 0.25% $1,259,655.00 $1,190,175.00 $208,181.00 $364,280.00 30.61%
Missouri Total 100.00% $495,923,750 $499,191,223 $316,980,955 $302,558,098 60.61%



ARCH INSURANCE COMPANY

2007 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 0.16% $484,901.00 $438,256.00 $67,539.00 $-812,575.00 -185.41%
Missouri Total 100.00% $299,223,030 $296,828,557 $113,754,015 $91,289,737 30.76%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Accident & Health

Total Group Accident & Health

Market_Share Number of Insureds Direct Premium Written Direct Premium Earned Dividends Paid Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% 0 $0.00 $0.00 $0.00 $0.00 $-26,772.00 0.00%
Missouri Total 100.00% 12,774,038 $4,634,501,331 $4,620,799,459 $149,561 $3,599,832,396 $3,659,809,895 79.20%



ARCH INSURANCE COMPANY

2007 Supplemental Data for

Accident & Health

Total Individual Accident & Health

Market_Share Number of Insureds Direct Premium Written Direct Premium Earned Dividends Paid Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.02% 51 $305,293.00 $288,298.00 $0.00 $391,638.00 $362,541.00 125.75%
Missouri Total 100.00% 2,007,546 $1,687,161,727 $1,679,672,892 $2,670,933 $1,186,740,919 $1,254,707,600 74.70%



ARCH INSURANCE COMPANY

2007 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% $0.00 $0.00 $-1,853.00 $-3,949.00 0.00%
Missouri Total 100.00% $2,756,783,633 $2,756,117,839 $1,680,492,993 $1,705,663,119 61.89%



ARCH INSURANCE COMPANY

2007 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 0.13% $10,805,161.00 $10,965,561.00 $2,488,046.00 $4,266,718.00 38.91%
Missouri Total 100.00% $8,389,562,041 $8,290,577,887 $4,565,097,639 $4,421,956,843 53.34%



ARCH INSURANCE COMPANY

2007 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 3.80% $196,782.00 $281,583.00 $213,307.00 $178,217.00 63.29%
Missouri Total 100.00% $5,176,808 $5,122,235 $2,196,358 $3,430,994 66.98%



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