Old Republic International (ORI) 10-Q 2011 Q1 Quarterly report

Exhibit 32.2

CERTIFICATION OF PERIODIC REPORT

I, Karl W. Mueller, the Senior Vice President and Chief Financial Officer of Old Republic International Corporation (the “Company”), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that:

(1)   the quarterly report on Form 10-Q of the Company for the quarter ended March 31, 2011 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2)   the information contained in the Report fairly presents the financial condition and results of operations of the Company.

Dated:  May 6, 2011

      /s/ Karl W. Mueller                                        

Karl W. Mueller,

  Senior Vice President,

       Chief Financial Officer and

            Principal Accounting Officer