A signed original of this written statement required by Section 906 has been provided to ProAssurance Corporation and will be retained by ProAssurance Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of ProAssurance Corporation (the “Company”) on Form 10-Q for the quarter ending March 31, 2013 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Edward L. Rand, Jr., Chief Financial and Accounting Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

/s/ Edward L. Rand, Jr.

Edward L. Rand, Jr.

Chief Financial and Accounting Officer

May 6, 2013

Exhibit 32.2