X0306 5 2020-12-26 0 0 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 2020-11-13 5 G 0 23845 0.00 D 652127 I By Spouse Common Stock, par value $0.01 per share 2020-11-16 5 G 0 850 0.00 D 651277 I By Spouse Common Stock, par value $0.01 per share 2020-11-30 5 G 0 435 0.00 D 274266 D Common Stock, par value $0.01 per share 2020-12-16 5 G 0 26428 0.00 D 624849 I By Spouse Common Stock, par value $0.01 per share 9301 I by 401(k) plan Gift, not applicable. Represents (i) 310,323 shares held by the Bergman Family 2010 Trust 2, of which Marion Bergman, Stanley M. Bergman's wife, is a co-trustee and a beneficiary; (ii) 1,918 shares held by Mrs. Bergman and (iii) 339,886 shares held by the 2010 Bergman Family #2, LLC of which Marion Bergman, Stanley M. Bergman's wife, is a manager. The amounts in the previous sentence reflect a transfer by the Bergman Family 2010 Trust #2 of 23,845 shares of common stock to Mrs. Bergman on November 13, 2020 and the subsequent gifting of those shares on November 13, 2020 by Mrs. Bergman. Represents (i) 310,323 shares held by the Bergman Family 2010 Trust 2, of which Marion Bergman, Stanley M. Bergman's wife, is a co-trustee and a beneficiary; (ii) 1,068 shares held by Mrs. Bergman and (iii) 339,886 shares held by the 2010 Bergman Family #2, LLC of which Marion Bergman, Stanley M. Bergman's wife, is a manager. Represents (i) 283,895 shares held by the Bergman Family 2010 Trust 2, of which Marion Bergman, Stanley M. Bergman's wife, is a co-trustee and a beneficiary; (ii) 1,068 shares held by Mrs. Bergman and (iii) 339,886 shares held by the 2010 Bergman Family #2, LLC of which Marion Bergman, Stanley M. Bergman's wife, is a manager. 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 February 4, 2021. /s/ Jennifer Ferrero (as Attorney-in-Fact for Stanley M. Bergman) 2021-02-05