X0306 4 2023-03-14 0 0000712034 ACCO BRANDS Corp ACCO 0001420780 Dudek James C/O ACCO BRANDS CORPORATION FOUR CORPORATE DRIVE LAKE ZURICH IL 60047 0 1 0 0 SVP, Corp Controller and CAO Restricted Stock Units 0.00 2023-03-14 4 A 0 16891 0.00 A 2026-03-14 2026-03-14 Common Stock 16891 16891 D Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan. Each RSU represents the right to receive one share of the Issuer's common stock on March 14, 2026, provided the Reporting Person remains employed by the Issuer at that time, subject to acceleration as provided in said Plan. Pamela R. Schneider, Attorney-in-fact for James M. Dudek 2023-03-15