WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.05% $55,993.00 $49,319.00 $5,840.00 $5,840.00 11.84%
Missouri Total 100.00% $102,908,301 $100,472,114 $46,435,406 $45,818,749 45.60%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.06% $37,198.00 $29,029.00 $7,546.00 $7,546.00 25.99%
Missouri Total 100.00% $61,203,306 $60,296,445 $32,970,544 $31,213,703 51.77%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.06% $156,984.00 $151,609.00 $101,250.00 $-94,948.00 -62.63%
Missouri Total 100.00% $266,104,571 $257,394,838 $167,500,159 $156,039,811 60.62%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.05% $49,454.00 $45,368.00 $27,395.00 $28,806.00 63.49%
Missouri Total 100.00% $90,257,005 $91,663,772 $42,132,717 $46,623,735 50.86%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 Supplemental Data for

Property & Casualty

Commercial Auto Medical Payments

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.09% $6,806.00 $5,296.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $7,769,372 $7,592,187 $4,641,831 $2,048,509 26.98%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 Supplemental Data for

Property & Casualty

Commercial Auto Uninsured Motorists

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.07% $11,545.00 $10,728.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $17,185,381 $17,045,912 $7,666,069 $5,465,527 32.06%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.01% $8,435.00 $3,660.00 $0.00 $-14.00 -0.38%
Missouri Total 100.00% $135,095,191 $140,253,823 $59,288,986 $58,928,282 42.02%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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% $-364,668.00 $104,800.00 $171,778.00 $46,234.00 44.12%
Missouri Total 100.00% $604,339,988 $594,249,075 $246,348,996 $288,959,671 48.63%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 1.06% $10,218,931.00 $8,922,272.00 $2,734,879.00 $5,827,432.00 65.31%
Missouri Total 100.00% $963,548,981 $951,290,491 $478,733,108 $593,495,368 62.39%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 $0.00 $0.00 $107.00 0.00%
Missouri Total 100.00% $75,129,437 $71,219,347 $35,273,075 $31,877,773 44.76%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 Supplemental Data for

Property & Casualty

Earthquake

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.01% $6,167.00 $7,761.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $71,142,042 $68,942,586 $2,034 $663,937 0.96%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 Supplemental Data for

Property & Casualty

Farm Fire & Allied Lines

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $728.00 $319.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $17,886,046 $17,808,937 $6,376,413 $8,522,427 47.85%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.23% $934,063.00 $431,999.00 $231,293.00 $-311,949.00 -72.21%
Missouri Total 100.00% $409,263,293 $444,911,829 $227,717,624 $368,806,231 82.89%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.35% $168,306.00 $101,535.00 $20,993.00 $211,003.00 207.81%
Missouri Total 100.00% $48,418,835 $47,202,540 $38,723,657 $43,669,821 92.52%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 Supplemental Data for

Property & Casualty

Professional Liability (Excl Medical Malpractice)

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.02% $11,049.00 $7,881.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $65,935,399 $65,635,698 $18,717,253 $26,301,057 40.07%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.06% $317,980.00 $291,349.00 $142,031.00 $-52,756.00 -18.11%
Missouri Total 100.00% $545,427,936 $534,465,268 $301,346,726 $287,210,034 53.74%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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% $9,163.00 $3,979.00 $0.00 $93.00 2.34%
Missouri Total 100.00% $228,110,674 $229,282,107 $100,938,474 $99,328,482 43.32%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 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 0.14% $11,300,991.00 $9,871,885.00 $3,300,974.00 $5,720,057.00 57.94%
Missouri Total 100.00% $7,912,453,158 $7,829,991,916 $4,189,177,430 $4,504,110,599 57.52%



WAUSAU UNDERWRITERS INSURANCE COMPANY

2004 Supplemental Data for

Property & Casualty

Umbrella

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.00% $0.00 $309.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $41,308,702 $38,099,920 $30,896,056 $18,075,721 47.44%



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