Exhibit 99.1
PRESS RELEASE
BUSINESS AND FINANCIAL EDITORS |
| WILLIAM J. OWEN |
FOR IMMEDIATE RELEASE |
| Senior Vice President, |
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| Investor Relations |
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| 818-676-3936 |
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ZENITH DECLARES QUARTERLY DIVIDEND
WOODLAND HILLS, CALIFORNIA, February 10, 2010. .. . . .. . . .. . . .. . . .. . . Zenith National Insurance Corp. (NYSE:ZNT) today declared a regular quarterly cash dividend of $0.50 per share on its outstanding shares of common stock. The dividend is payable May 14, 2010 to stockholders of record at the close of business on April 30, 2010.