NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 1.06% $706,418.00 $680,295.00 $717,677.00 $853,489.00 125.46%
Missouri Total 100.00% $66,932,024 $68,113,590 $40,992,950 $41,381,049 60.75%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.83% $383,195.00 $365,248.00 $116,671.00 $85,384.00 23.38%
Missouri Total 100.00% $46,363,065 $46,936,009 $27,901,887 $26,760,293 57.01%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 1.01% $2,458,073.00 $2,317,199.00 $228,267.00 $903,737.00 39.00%
Missouri Total 100.00% $243,296,034 $246,226,707 $133,490,194 $118,854,870 48.27%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 3.94% $2,355,209.00 $2,194,456.00 $366,589.00 $469,168.00 21.38%
Missouri Total 100.00% $59,807,757 $59,450,991 $34,293,122 $37,025,272 62.28%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.01% $430.00 $379.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $7,953,305 $8,059,404 $9,271,720 $9,846,957 122.18%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.09% $15,430.00 $17,973.00 $67,000.00 $179,000.00 995.94%
Missouri Total 100.00% $16,956,695 $17,022,030 $8,827,137 $10,146,718 59.61%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.12% $817,042.00 $773,361.00 $311,095.00 $494,641.00 63.96%
Missouri Total 100.00% $679,862,271 $690,205,385 $452,712,053 $461,544,429 66.87%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.04% $95,575.00 $111,038.00 $281,035.00 $271,637.00 244.63%
Missouri Total 100.00% $213,958,608 $212,889,339 $109,685,143 $103,375,666 48.56%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 Supplemental Data for

Property & Casualty

National Flood Insurance Program

Market_Share Direct Premium Written Direct Premium Earned Direct Losses Paid Direct Losses Incurred Loss Ratio
Company Total 0.01% $2,215.00 $2,657.00 $0.00 $-54.00 -2.03%
Missouri Total 100.00% $17,265,148 $17,258,478 $13,475,622 $12,404,554 71.88%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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% $0.00 $31.00 $0.00 $-58.00 -187.10%
Missouri Total 100.00% $26,943,829 $29,716,141 $15,906,755 $19,834,580 66.75%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.04% $212,113.00 $215,295.00 $0.00 $9,144.00 4.25%
Missouri Total 100.00% $585,627,179 $576,485,720 $284,022,044 $264,509,677 45.88%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.01% $61,036.00 $73,588.00 $23,720.00 $25,455.00 34.59%
Missouri Total 100.00% $755,321,292 $758,133,967 $477,250,153 $462,205,423 60.97%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.02% $123,339.00 $145,957.00 $60,727.00 $64,090.00 43.91%
Missouri Total 100.00% $499,271,332 $495,447,180 $259,104,349 $255,374,708 51.54%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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% $11,090.00 $12,233.00 $31,500.00 $-14,191.00 -116.01%
Missouri Total 100.00% $772,271,799 $761,347,849 $456,137,054 $436,190,500 57.29%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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% $7,269.00 $7,896.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $588,726,443 $583,357,594 $383,037,324 $373,070,684 63.95%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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% $2,486.00 $2,782.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $89,640,833 $89,068,646 $54,809,368 $50,444,369 56.64%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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% $1,911.00 $2,085.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $68,747,169 $67,633,680 $40,016,275 $33,466,379 49.48%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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% $1,943.00 $2,116.00 $0.00 $0.00 0.00%
Missouri Total 100.00% $110,535,803 $108,864,554 $59,800,238 $58,462,527 53.70%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 1.34% $5,918,755.00 $5,575,550.00 $1,496,204.00 $2,490,778.00 44.67%
Missouri Total 100.00% $441,308,880 $445,808,731 $254,777,010 $244,015,159 54.74%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.01% $209,074.00 $246,657.00 $115,947.00 $75,354.00 30.55%
Missouri Total 100.00% $2,887,388,073 $2,866,814,132 $1,730,926,545 $1,670,104,975 58.26%



NATIONAL INTERSTATE INSURANCE COMPANY

2010 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 0.09% $7,254,774.00 $6,924,589.00 $2,204,281.00 $3,341,442.00 48.25%
Missouri Total 100.00% $8,368,410,476 $8,301,280,585 $4,890,271,388 $4,773,232,479 57.50%



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