ITEM 5.02 Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On December 6, 2012, National Interstate Corporation (the "Company") announced that its Board of Directors has promoted Tony Mercurio to Executive Vice President and Chief Operating Officer. This promotion is effective January 1, 2013. The Company's press release announcing Mr. Mercurio's promotion is filed as Exhibit 99.1 and incorporated by reference into this Current Report on Form 8-K. The compensation for Mr. Mercurio in his new role has not yet been determined.

Mr. Mercurio, age 39, has served as a Vice President of the Company since 2006 and Chief Executive Officer of the Company's subsidiary Vanliner Insurance Company ("Vanliner") since its acquisition on July 1, 2010. Additionally, Mr. Mercurio served as the Company's Assistant Vice President, Alternative Products from 2004 to 2006. Mr. Mercurio will no longer serve as Vanliner's Chief Executive Officer concurrent with his promotion becoming effective on January 1, 2013.

ITEM 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit
No. Description
99.1 Press Release of National Interstate Corporation dated December 6, 2012

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