Quad/Graphics (QUAD) 10-Q 2018 Q3 Quarterly report

Exhibit 32

Written Statement of the Chief Executive Officer and Chief Financial Officer

Pursuant to 18 U.S.C. Section 1350

Solely for the purposes of complying with 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, we, the undersigned Chief Executive Officer and Chief Financial Officer of Quad/Graphics, Inc. (the “Company”), hereby certify, based on our knowledge, that the Quarterly Report on Form 10-Q of the Company for the quarter ended September 30, 2018 (the “Report”), fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934 and that information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ J. Joel Quadracci

J. Joel Quadracci

Chairman, President and Chief Executive Officer

/s/ David J. Honan

David J. Honan

Executive Vice President and Chief Financial Officer

Date: October 31, 2018