X0306 4 2022-05-23 0001481792 Quad/Graphics, Inc. QUAD 0001495362 Fowler John C C/O QUAD/GRAPHICS, INC. N61 W23044 HARRY'S WAY SUSSEX WI 53089 1 Class A Common Stock 2022-05-23 4 A 0 23454 0 A 147674 D Class B Common Stock Class A Common Stock 7086 7086 I As Trustee - HVF Tr Class B Common Stock Class A Common Stock 7087 7087 I As Trustee - IMF Tr Class B Common Stock Class A Common Stock 7087 7087 I As Trustee - KMF Tr Class B Common Stock Class A Common Stock 156 156 I As Trustee - KQF Descen Includes 94,606 shares attributable to deferred stock units granted under the Quad/Graphics, Inc. 2010 and 2020 Omnibus Incentive Plans. 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. As Trustee for the Harry Virgil Flores 2017 Trust. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. As Trustee for the Isabella Marion Flores 2017 Trust. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. As Trustee for the Kaitlin Mary Flores 2017 Trust. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. As Trustee for the KQF 2019 Descendants' Trust. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. /s/ Sherilyn R. Whitmoyer, Attorney-in-Fact for John C. Fowler 2022-05-25