X0306 4 2020-11-02 0 0001821806 Leslie's, Inc. LESL 0001830679 Ortega Steven L 2005 EAST INDIAN SCHOOL ROAD PHOENIX AZ 85016 1 0 0 0 Common Stock, par value $0.001 per share 2020-11-02 4 S 0 193886 17.00 D 3444416 I Directly held by Bubbles Holdings, L.P. Gives effect to cash distributions required to be paid in connection with the initial public offering of Leslie's, Inc. to the Reporting Person in respect of his economic interests in Bubbles Holdings, L.P., which is a parent entity of Leslie's, Inc. The shares shown in this row are held by Bubbles Holdings, L.P. as of the date hereof but are required to be distributed to the Reporting Person as soon as reasonably practicable after the date of the initial public offering of Leslie's, Inc. The amount of securities beneficially owned represents economic interests, indirectly, of the common stock, par value $0.001 per share, of Leslie's, Inc. based on its initial public offering price of $17.00 per share and after giving effect to such share distribution. /s/ Brad A. Gazaway, as Attorney-in-Fact for Steven L. Ortega 2020-11-02