UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 1, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-39667 LESLIE'S, INC. (Exact Name of Registrant as Specified in its Charter) Securities registered pursuant to Section 12(b) of ...

Financial Data and Key Metrics Changes - Sales for Q1 2022 reached a record $185 million, representing a 27.5% increase compared to Q1 2021 [7][22] - Gross profit increased by 30.2% to $67 million, with a gross margin rate improvement of 70 basis points to 36.4% [8][24] - Adjusted EBITDA turned positive at $1.1 million, a significant improvement from a loss of $0.2 million in Q1 2021 [9][27] - Adjusted net loss remained relatively flat at $10.9 million compared to a net loss of $10.6 million in the prior year [29] Business Line Data and Key Metrics Changes - Residential pool sales grew by 18%, residential hot tub sales surged by 66%, and PRO pool sales increased by 40% [7][22] - Comparable sales increased by 21% for the quarter, with a two-year stack comp of 46% [7][22] Market Data and Key Metrics Changes - Retail price inflation was nearly 12% in the quarter, slightly above expectations, but demand remained strong [11] - The company expects inflation to moderate in the coming quarters, projecting approximately 5% for the full year [11] Company Strategy and Development Direction - The company is focused on six strategic growth initiatives, including enhancing consumer relationships and expanding the PRO business [12][46] - The company is actively pursuing M&A opportunities, having closed the acquisition of B&L Pools and entered into an LOI for another retailer [18] - The company plans to open at least 10 new residential locations in 2022 and is on track with its pro initiatives [16][19] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the strong consumer demand driven by macro trends and the ability to pass costs through to consumers [10][44] - The company raised its full-year fiscal 2022 sales outlook to $1,495 million to $1,520 million, reflecting an increase of 11% to 13% compared to the prior year [37][40] - Management noted that Q1 is a small quarter and emphasized the importance of the upcoming peak pool season for assessing future performance [66] Other Important Information - The company completed a $300 million share buyback program, repurchasing 7.5 million shares at an average price of $20.25 [9][33] - The company ended Q1 2022 with cash and cash equivalents of $53 million and total funded debt of $804 million [30][32] Q&A Session Summary Question: Update on gross margin and occupancy costs - Management indicated occupancy costs are running about $25 million per quarter and emphasized their ability to pass on costs to consumers [50][52] Question: Impact of Q1 performance on the rest of the year - Management stated that Q1 is small and emphasized the importance of the peak season for better forecasting [66] Question: Historical performance during rising interest rates - Management noted that the company has historically grown during periods of rising interest rates, averaging double-digit growth [72] Question: Potential impact of chlorine pricing on fiscal 2023 - Management expects stabilized chlorine prices but does not anticipate a return to pre-2020 pricing levels [77] Question: Demand response to higher prices - Management reported no significant drop in demand despite higher prices, with some consumers opting for smaller purchases [90] Question: Performance of loyalty program - Management expressed slight disappointment in a 7% growth in loyalty but noted strong growth in average revenue per consumer [87] Question: M&A environment and margin impact - Management confirmed ongoing M&A activity and the addition of staff to support these efforts [101] Question: Performance in the pro-business segment - Management reported steady growth in the pro segment, with pro partner sales doubling in the quarter [104]

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) UNITED STATES ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended October 2, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-39667 LESLIE'S, INC. (Exact name of Registrant as specified in its Charter) Delaware 20-8397425 (State or other jurisdiction of incorpo ...

FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 3, 2021 OR UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39667 LESLIE'S, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 20-8397425 (State or other jurisdiction of inc ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 3, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39667 LESLIE'S, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 20-8397425 (State or other jurisdiction of in ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 2, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39667 LESLIE'S, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 20-8397425 (State or other jurisdiction of ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended October 3, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 001-39667 LESLIE'S, INC. (Exact name of Registrant as specified in its Charter) | Delaware | 20-8397425 | | --- | --- | | (State or other j ...