X0306 4 2018-04-23 0 0001481792 Quad/Graphics, Inc. QUAD 0001595041 Flores Kathryn Quadracci QUAD/GRAPHICS, INC. N61 W23044 HARRY'S WAY SUSSEX WI 53089-3995 1 0 0 0 Class A Common Stock 2018-04-23 4 S 0 50000 25.7215 D 235894 D Class A Common Stock 2018-04-23 4 S 0 200 25.96 D 235694 D Class A Common Stock 2018-04-24 4 S 0 22300 25.9685 D 213394 D Class A Common Stock 28736 I As trustee - HRQ 2014 Trust Class A Common Stock 1675 I By 401(a) Plan Class A Common Stock 4067 I As trustee - MAQ 2001 Trust Class A Common Stock 4067 I As trustee - HVQ 2003 Trust Class A Common Stock 4067 I As trustee - DQ 2008 Trust Class B Common Stock Class A Common Stock 1601 1601 D Class B Common Stock Class A Common Stock 14915 14915 I As trustee - HRQ 2014 Trust Class B Common Stock 2018-03-22 5 G 0 1401 0 A Class A Common Stock 1401 1468 I As trustee - MAQ 2001 Trust Class B Common Stock 2018-03-22 5 G 0 1402 0 A Class A Common Stock 1402 1468 I As trustee - HVQ 2003 Trust Class B Common Stock 2018-03-22 5 G 0 1401 0 A Class A Common Stock 1401 1468 I As trustee - DQ 2008 Trust The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 23, 2018. The price in Column 4 is a weighted average price. The prices actually received ranged from $25.57 to $25.96. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing a weighted average price. Includes 246 additional deferred stock units resulting from the payment of dividends on the Class A Common Stock underlying deferred stock units previously granted. The price in Column 4 is a weighted average price. The prices actually received ranged from $25.96 to $26.002. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing a weighted average price. Class B Common Stock is convertible into Class A Common Stock on a 1-for-1 basis at no cost and has no expiration date. /s/ Jennifer J. Kent, Attorney-in-Fact for Kathryn Quadracci Flores 2018-04-25