Attached files

file filename
EX-31.1 - EXHIBIT 31.1 - National Interstate CORPexhibit311-10k2015.htm
EX-24.1 - EXHIBIT 24.1 - National Interstate CORPexhibit241-10k2015.htm
EX-32.2 - EXHIBIT 32.2 - National Interstate CORPexhibit322-10k2015.htm
EX-32.1 - EXHIBIT 32.1 - National Interstate CORPexhibit321-10k2015.htm
10-K - 10-K - National Interstate CORPnatl-20151231x10k.htm
EX-31.2 - EXHIBIT 31.2 - National Interstate CORPexhibit312-10k2015.htm
EX-21.1 - EXHIBIT 21.1 - National Interstate CORPexhibit211-10k2015.htm

EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm    


We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-192152) pertaining to the National Interstate Corporation Long Term Incentive Plan, and in the Registration Statement (Form S-8 No. 333-145194) pertaining to the National Interstate Savings and Profit Sharing Plan, of our reports dated March 9, 2016, with respect to the consolidated financial statements and schedules of National Interstate Corporation and subsidiaries, and the effectiveness of internal control over financial reporting of National Interstate Corporation and subsidiaries, included in this Annual Report (Form 10-K) for the year ended December 31, 2015.


/s/ Ernst & Young LLP
            
Cleveland, Ohio
March 9, 2016