X0306 4 2023-03-13 0 0001000228 HENRY SCHEIN INC HSIC 0001008413 BERGMAN STANLEY M C/O HENRY SCHEIN, INC. 135 DURYEA ROAD MELVILLE NY 11747 1 1 0 0 Chairman, CEO Common Stock, par value $0.01 per share 2023-03-13 4 G 0 5773 0.00 D 281531 D Common Stock, par value $0.01 per share 2023-03-14 4 G 0 14080 0.00 D 242451 D Common Stock, par value $0.01 per share 2023-03-15 4 G 0 3861 0.00 D 214732 D Common Stock, par value $0.01 per share 2023-03-15 4 J 0 13800 0.00 D 498184 I By Spouse Common Stock, par value $0.01 per share 9500 I by 401(k) plan Gift, not applicable. The amount reflected in Column 5 includes the transfer of 25,000 shares from the Bergman Family Trust #2 to Stanley M. Bergman on March 13, 2023. The amount reflected in Column 5 includes the transfer of 25,000 shares from Stanley M. Bergman to the Bergman Family Trust #2 on March 14, 2023. The amount reflected in Column 5 reflects the transfer on March 15, 2023 of (i) 11,929 shares from Stanley M. Bergman to the Edward J. Bergman 2011 GST Trust, of which Mrs. Bergman, Stanley M. Bergman's wife, is a co-trustee and (ii) 11,929 shares from Stanley M. Bergman to the Paul I. Bergman 2011 GST Trust, of which Mrs. Bergman is a co-trustee. The transfer of shares in this transaction represents the decanting of the shares by the Bergman Family 2010 Trust #2 to a related trust. Represents (i) 144,736 shares held by the Bergman Family 2010 Trust #2, of which Mrs. Bergman, is a co-trustee and a beneficiary; (ii) 180 shares held by Mrs. Bergman; (iii) 329,410 shares held by the Bergman Family 2010 Trust #2, LLC, of which Mrs. Bergman is a manager; and (iv) 23,858 shares held by the SBMB GST Trusts Partners LLC, of which Mrs. Bergman is a manager. The amount in Footnote 6 includes the transfer of 11,929 shares from Stanley M. Bergman to the Edward J. Bergman 2011 GST Trust and 11,929 shares from Stanley M. Bergman to the Paul I. Bergman 2011 GST Trust both on March 15, 2023, and the subsequent contribution of those 23,858 shares to the SBMB GST Trusts Partners LLC on March 15, 2023. 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 13, 2023. /s/ Jennifer Ferrero (as Attorney-in-Fact for Stanley M. Bergman) 2023-03-15