X0508 4 2023-09-12 0000712034 ACCO BRANDS Corp ACCO 0001882167 Bernstein Roxanne M C/O ACCO BRANDS CORPORATION LAKE ZURICH IL 60047 1 EVP & Pres, ACCO Brands N.A. 0 Restricted Stock Units 0 2023-09-12 4 A 0 1146.6 0 A 2026-03-14 2026-03-14 Common Stock 1146.6 82935.6 D Restricted Stock Units 0 2023-09-12 4 A 0 357.6 0 A 2025-03-02 2025-03-02 Common Stock 357.6 25867.45 D Restricted Stock Units 0 2023-09-12 4 A 0 318.4 0 A 2024-09-07 2024-09-07 Common Stock 318.4 23033.04 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. Represents Restricted Stock Units (RSUs) acquired pursuant to the dividend equivalent provisions of the Reporting Person's outstanding RSU awards. 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 2, 2025, provided the Reporting Person remains employed by the Issuer at that time, subject to acceleration as provided in said Plan. 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 September 7, 2024 provided the Reporting Person remains employed by the Issuer at that time, subject to acceleration as provided in said Plan. /s/ Pamela R. Schneider, Attorney-in-fact for Roxanne Bernstein 2023-09-14