Manning & Napier (MN) 10-K 2011 FY Annual report

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, James Mikolaichik, the Chief Financial Officer of Manning & Napier, Inc. (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

• The Form 10-K of the Company for the year ended December 31, 2011 as filed with the Securities and Exchange Commission on the date hereof (the “Form 10-K”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

• The information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/    JAMES MIKOLAICHIK

James Mikolaichik

Chief Financial Officer

(principal financial and accounting officer)

Date: March 27, 2012