X0306 4 2020-11-02 0 0001821806 Leslie's, Inc. LESL 0001829133 Bubbles Investor Aggregator, L.P. 599 WEST PUTNAM AVENUE GREENWICH CT 06830 0 0 1 0 0001544498 Chu James Michael 599 WEST PUTNAM AVENUE GREENWICH CT 06830 0 0 1 0 0001545446 Dahnke Scott Arnold 599 WEST PUTNAM AVENUE GREENWICH CT 06830 0 0 1 0 Common Stock, par value $0.001 per share 2020-11-02 4 S 0 9467468 17.00 D 74878363 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 its economic interests in Bubbles Holdings, L.P., which is a parent entity of Leslie's, Inc. C8 Management, L.L.C. is the general partner of Bubbles Investor Aggregator, L.P. and the management of C8 Management, L.L.C. is controlled by a managing board. J. Michael Chu and Scott A. Dahnke are the members of the managing board of C8 Management, L.L.C. and as such could be deemed to share voting control and investment power over shares that may be deemed to be beneficially owned by the entities affiliated with Catterton Management Company, L.L.C., but each disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. 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 as soon as reasonably practicable after the date of the initial public offering of Leslie's, Inc. The amounts in this row represent economic interests, indirectly, of the common stock of Leslie's, Inc. based on its initial public offering price of $17.00 per share, and after giving effect to such share distribution. BUBBLES INVESTOR AGGREGATOR, L.P., By: C8 Management, L.L.C., Its: General Partner, By: /s/ Marc Magliacano, Name: Marc Magliacano, Title: Authorized Person 2020-11-02 /s/ J. Michael Chu, Name: J. Michael Chu 2020-11-02 /s/ Scott A. Dahnke, Name: Scott A. Dahnke 2020-11-02