X0508 4 2023-11-15 0 0001821806 Leslie's, Inc. LESL 0001778757 Estep Jonathan S 2005 E INDIAN SCHOOL RD. PHOENIX AZ 85016 1 0 0 0 0 Restricted Stock Units 0.00 2023-11-15 4 A 0 7480 0.00 A Common Stock 7480 7480 D Each Restricted Stock Unit ("RSU") represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's Common Stock. Represents a grant of RSUs of which 7,480 will vest on the earlier of (a) March 14, 2024 or (b) the day prior to the Company's annual meeting of stockholders held in March 2024 (the earlier of (a) and (b)referred to as the "Vesting Date"), subject to Mr. Estep's continuous service as a member of the Board until the Vesting Date. /s/ Brad A. Gazaway, as Attorney-in-Fact for Jonathan S. Estep 2023-11-16