X0306 4 2023-03-01 0 0001000228 HENRY SCHEIN INC HSIC 0001884896 Connett Bradford C C/O HENRY SCHEIN, INC. 135 DURYEA ROAD MELVILLE NY 11747 0 1 0 0 CEO, NA Distribution Group Common Stock, par value $0.01 per share 2023-03-01 4 A 0 17363 0.00 A 72775 D Grant of restricted stock units (RSU) pursuant to the Issuer's 2020 Stock Incentive Plan. Subject to certain exceptions, 50% will vest subject to (x) Issuer's achievement of a specified performance goal and (y) reporting person's continued perf. of services for the Issuer. 50% will vest subject to (x) passage of a specified period of time and (y) reporting person's continued perf. of services for the Issuer. With respect to the performance-based RSU, if the continued service requirement is satisfied and achievement of the perf. goal (x) exceeds 100% of target, the Issuer may issue additional vested shares of common stock in an amount that corresponds to the incremental percentage of the performance goal achieved in excess of 100% of target or (y) is less than 100% of target, the reporting person will surrender to the Issuer shares of common stock in an amount that corresponds to the incremental percentage of the performance goal achieved that is below 100% of target (shortfall). /s/ Jennifer Ferrero (as Attorney-in-Fact for Bradford C. Connett) 2023-03-03