ITEM 2.02 Results of Operations and Financial Condition.

On February 7, 2013, National Interstate Corporation (the "Company") issued a press release reporting its preliminary financial results for the quarterly and annual period ended December 31, 2012. A copy of the Company's press release is attached hereto as Exhibit 99.1 to this Current Report on Form 8-K.

The information contained in Item 2.02 and Exhibit No. 99.1 of this Current Report on Form 8-K is being furnished to the Securities and Exchange Commission and shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. Furthermore, the information contained in Item 2.02 and Exhibit No. 99.1 of this Current Report on Form 8-K shall not be deemed to be incorporated by reference into any registration statement or other document filed pursuant to the Securities Act of 1933, as amended.

ITEM 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit
No. Description

99.1 Press Release of National Interstate Corporation dated February 7, 2013

---