X0508 4 2023-09-12 0000712034 ACCO BRANDS Corp ACCO 0001753094 Jones Angela Y C/O ACCO BRANDS CORPORATION LAKE ZURICH IL 60047 1 SVP, Global Chief People Offic 0 Performance Stock Units (2021-2023) 0 2023-09-12 4 A 0 117 0 A Common Stock 117 8461.01 D Restricted Stock Units 0 2023-09-12 4 A 0 464.1 0 A 2026-03-14 2026-03-14 Common Stock 464.1 33569.3 D Restricted Stock Units 0 2023-09-12 4 A 0 178.8 0 A 2025-03-02 2025-03-02 Common Stock 178.8 12934.25 D Restricted Stock Units 0 2023-09-12 4 A 0 162.3 0 A 2024-03-03 2024-03-03 Common Stock 162.3 11739.31 D Restricted Stock Units 0 2023-09-12 4 A 0 55.6 0 A 2024-01-04 2024-01-04 Common Stock 55.6 4024.92 D Reflects performance stock units ("PSUs") granted under the Issuer's Incentive Plan that were earned by the Reporting Person during a one-year performance period. Subject to the Reporting Person's continued employement, earned PSUs become eligible for settlement into shares of common stock upon the completetion of the final performance period in the three-year cycle. Represents Performance Stock Units (PSUs) acquired pursuant to the dividend equivalent provisions of the Reporting Person's earned and outstanding PSU 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 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 March 3, 2024 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 January 4, 2024 (the "Vesting Date") 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 Angela Y. Jones 2023-09-14