Attached files
| file | filename |
|---|---|
| 10-K - FORM 10-K - National Interstate CORP | l42023e10vk.htm |
| EX-32.2 - EX-32.2 - National Interstate CORP | l42023exv32w2.htm |
| EX-24.1 - EX-24.1 - National Interstate CORP | l42023exv24w1.htm |
| EX-31.2 - EX-31.2 - National Interstate CORP | l42023exv31w2.htm |
| EX-21.1 - EX-21.1 - National Interstate CORP | l42023exv21w1.htm |
| EX-32.1 - EX-32.1 - National Interstate CORP | l42023exv32w1.htm |
| EX-31.1 - EX-31.1 - National Interstate CORP | l42023exv31w1.htm |
EXHIBIT 23.1
CONSENT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration
Statement
(Form S-3
No. 333-119270)
of National Interstate Corporation, Registration Statement
(Form S-8
No. 333-122998)
pertaining to the National Interstate Corporation Long Term
Incentive Plan, and Registration Statement
(Form S-8
No. 333-145194)
pertaining to the National Interstate Savings and Profit Sharing
Plan of our reports dated March 8, 2011, with respect to
the consolidated financial statements and schedules of National
Interstate Corporation, and the effectiveness of internal
control over financial reporting of National Interstate
Corporation, included in this Annual Report
(Form 10-K)
for the year ended December 31, 2010.
/s/ Ernst &
Young LLP
Cleveland, Ohio
March 8, 2011