National Interstate Corporation to Hold Annual Meeting of Shareholders on Thursday, May 2, 2013

RICHFIELD, Ohio, March 22, 2013 (GLOBE NEWSWIRE) -- National Interstate Corporation (Nasdaq:NATL) will hold its Annual Meeting of Shareholders on Thursday, May 2, 2013, at 9:00 AM Eastern. The record date for determining shareholders entitled to notice of, and to vote at, the Annual Meeting was March 8, 2013. The Annual Meeting will be held at the Company's headquarters at 3250 Interstate Drive, Richfield, Ohio.

About National Interstate Corporation

An Insurance Experience Built Around You.

National Interstate Corporation (Nasdaq:NATL), founded in 1989, is the holding company for a specialty property-casualty insurance group which differentiates itself by offering products and services designed to meet the unique needs of niche markets. Products include insurance for passenger, truck, and moving and storage transportation companies, alternative risk transfer, or captive programs for commercial risks, specialty personal lines products focused primarily on recreational vehicle owners and small commercial vehicle accounts, and transportation and general commercial insurance in Hawaii and Alaska. The Company's insurance subsidiaries, including the three primary insurers, National Interstate Insurance Company, Vanliner Insurance Company and Triumphe Casualty Company, are rated "A" (Excellent) by A.M. Best Company. Headquartered in Richfield, Ohio, National Interstate is an independently operated subsidiary of Great American Insurance Company, a property-casualty subsidiary of American Financial Group, Inc. (NYSE:AFG) (Nasdaq:AFG).

CONTACT: Tanya Inama National Interstate Corporation 877-837-0339 investorrelations@NATL.comSource:National Interstate Corporation