X0306 4 2022-03-15 0 0000861878 STERICYCLE INC SRCL 0001754743 Miller Cindy J 2355 WAUKEGAN ROAD BANNOCKBURN IL 60015 1 1 0 0 Chief Executive Officer Performance-Based Stock Units 0.0 2022-03-15 4 A 0 41549 0.0 A Common Stock 41549 41549 D Restricted Stock Units 0.0 2022-03-15 4 A 0 33995 0.0 A Common Stock 33995 73840 D The vesting of these performance-based stock units ("PSU") is dependent upon the achievement by Stericycle, Inc. of certain financial performance criteria. Subject to accelerated vesting in certain circumstances, the number of PSUs scheduled to vest on the third anniversary of the grant date following the 2024 annual performance period will vary between 0% and 200% of the number reported, depending on the extent to which Stericycle, Inc. meets certain financial performance goals. Each restricted stock unit (RSU) represents the right to receive, at settlement, one share of common stock. The RSUs vest in 3 annual installments on each of the first three anniversaries of the grant date. /s/ Cindy J. Miller 2022-03-17