X0306 4 2022-03-02 0 0001000228 HENRY SCHEIN INC HSIC 0001577158 Ettinger Michael S C/O HENRY SCHEIN, INC. 135 DURYEA ROAD MELVILLE NY 11747 0 1 0 0 SVP Corp/Legal Ch of Staff Sec Common Stock, par value $0.01 per share 2022-02-23 5 G 0 E 119 0.00 D 90934 D Common Stock, par value $0.01 per share 2022-03-02 4 F 0 2106 85.75 D 88828 D Common Stock, par value $0.01 per share 2022-03-03 4 F 0 1060 87.24 D 87768 D Common Stock, par value $0.01 per share 800 I As Trustee of the trusts for the benefit of his children. Common Stock, par value $0.01 per share 210 I By 401(k) plan Gift, not applicable. Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 2, 2018 grant of time-based restricted stock/units. Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 3, 2021 grant of time-based restricted stock/units. Reflects the reporting person's interest in equivalent shares of Henry Schein common stock held by the unitized stock fund in the Henry Schein, Inc. 401(k) Savings Plan (the "Plan"). The unitized stock fund consists of Henry Schein common stock and cash or cash equivalents. The number of shares attributed to the reporting person as a participant in the Plan and expressed as equivalent shares has been calculated based on the closing price of Henry Schein common stock on March 2, 2022. /s/ Jennifer Ferrero (as Attorney-in-Fact for Michael S. Ettinger) 2022-03-04