X0508 4 2023-12-07 0 0001821806 Leslie's, Inc. LESL 0001995952 Caspers Dave 2005 EAST INDIAN SCHOOL ROAD PHOENIX AZ 85016 0 1 0 0 Chief Stores Officer 0 Restricted Stock Units 0.00 2023-12-07 4 A 0 17496 0.00 A Common Stock 17496 86749 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 17,496 will vest in equal installments on December 7, 2024, December 7, 2025, December 7, 2026, and December 7, 2027, subject to Mr. Casper's continuous employment or service with the Issuer or an affiliate until the applicable vesting date. /s/ Brad A. Gazaway, as Attorney-in-Fact for Dave Caspers 2023-12-08