SWIM

SEC source: 0001415889-23-006837 · form4-04252023_080432.xml · nonDerivative · entry 1

Kunchala Suraj · CIK 0001851763 · VICE PRESIDENT & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,065

F1 · shares: Represents an automatic sale to cover tax obligations upon the vesting of restricted stock units.

SEC source: 0001415889-23-004215 · form4-03032023_110303.xml · nonDerivative · entry 1

Culp Joel Richard · CIK 0001835183 · CHIEF MARKETING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 917,572

F1 · shares: Represents restricted stock units ("RSUs") granted on 03/01/2023. 25,520 shares will vest on each of March 1, 2024, 2025, and 2026 and 25,523 shares will vest on March 1, 2027.

SEC source: 0001415889-23-004237 · form4-03042023_120347.xml · nonDerivative · entry 1

Cowley Joshua D. · CIK 0001854167 · CHIEF COMMERCIAL OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,901

F1 · shares: Represents restricted stock units ("RSUs") granted on 3/01/2023. 39,969 shares will vest on each of March 1, 2024, 2025, and 2026 and 39,970 shares will vest on March 1, 2027.

SEC source: 0001415889-23-004209 · form4-03032023_110306.xml · nonDerivative · entry 1

Kunchala Suraj · CIK 0001851763 · VICE PRESIDENT & CONTROLLER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,797

F1 · shares: Represents restricted stock units ("RSUs") granted on 03/01/2023. 4,920 shares will vest on each of March 1, 2024, 2025, 2026 and 2027.

SEC source: 0001415889-23-004241 · form4-03042023_120337.xml · nonDerivative · entry 1

Sheller Patrick M · CIK 0001539134 · GENERAL COUNSEL & SECRETARY

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,563

F1 · shares: Represents restricted stock units ("RSUs") granted on 03/01/2023. 28,356 shares will vest on each of March 1, 2024, 2025 and 2026 and 28,358 RSUs will vest on March 1, 2027.

SEC source: 0001415889-23-004227 · form4-03042023_120353.xml · nonDerivative · entry 1

Dhruv Kaushal Bhikhesh · CIK 0001834379 · CHIEF INFORMATION OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 248,673

F1 · shares: Represents restricted stock units ("RSUs") granted on 03/01/2023. 14,853 shares will vest on each of March 1, 2024, 2025, and 2026 and 14,855 shares will vest on March 1, 2027.

SEC source: 0001415889-23-004218 · form4-03042023_120309.xml · nonDerivative · entry 1

Rajeski Scott Michael · CIK 0001834472 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 258,056

F1 · shares: Represents restricted stock units ("RSUs") granted on 03/01/2023. 60,764 shares will vest on each of March 1, 2024, 2025, 2026, and 2027.

SEC source: 0001415889-23-004211 · form4-03032023_110356.xml · nonDerivative · entry 1

Feck Melissa Claire · CIK 0001834393 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 546,167

F1 · shares: Represents restricted stock units ("RSUs") granted on 03/01/2023. 13,503 shares will vest on each of March 1, 2024, 2025, 2026 and 2027.

SEC source: 0001415889-23-004207 · form4-03032023_110351.xml · nonDerivative · entry 1

Bahl Sanjeev · CIK 0001907232 · CHIEF OPERATING OFFICER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,637

F1 · shares: Represents restricted stock units ("RSUs") granted on 03/01/2023. 28,356 shares will vest on each of March 1, 2024, 2025, and 2026 and 28,358 shares will vest on March 1, 2027.

SEC source: 0001415889-23-001438 · form4-01252023_110120.xml · nonDerivative · entry 2

Bahl Sanjeev · CIK 0001907232 · COO LATHAM GROUP, INC.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,211

F4 · shares: Represents shares of common stock sold in an automatic "sell-to-cover" transaction to cover taxes due on the RSUs that vested on Janaury 24, 2023.

F5 · balance_after: The reporting person has previously reported awards of RSUs in Table II of Form 4. The total reported in column 5 includes 20,576 RSUs previously reported in Table II and 6,635 shares of common stock.

SEC source: 0001415889-23-001438 · form4-01252023_110120.xml · nonDerivative · entry 1

Bahl Sanjeev · CIK 0001907232 · COO LATHAM GROUP, INC.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,864

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents restricted stock units ("RSUs") granted on 02/01/2022. The RSUs will vest in three equal installments on each anniversary of January 24, 2022. 10,288 RSUs vested on January 24, 2023. 10,288 RSUs will vest on January 24, 2024 and 10,288 RSUs will vest on January 24, 2025.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F3 · balance_after: The reporting person has previously reported awards of RSUs in Table II of Form 4. The total reported in column 5 includes 20,576 RSUs previously reported in Table II and 10,288 shares of common stock.

SEC source: 0000950142-22-003241 · es220307308_4-laven.xml · nonDerivative · entry 2

Laven Mark Phillip · CIK 0001834448 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 402,206

F1 · price: Weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.9699 to $2.99 inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0000950142-22-003241 · es220307308_4-laven.xml · nonDerivative · entry 1

Laven Mark Phillip · CIK 0001834448 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 394,706

SEC source: 0000950142-22-002422 · es220277583_4-masson.xml · derivative · entry 2

Masson Robert L. II · CIK 0001934117 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,807

Underlying: Common stock · 151,807 shares

Expires 2032-08-04

F2 · security: The stock options will vest in four equal installments (rounded down to the nearest whole number) on each anniversary of August 4, 2022.

F2 · derivative.exercise_date: The stock options will vest in four equal installments (rounded down to the nearest whole number) on each anniversary of August 4, 2022.

SEC source: 0000950142-22-002422 · es220277583_4-masson.xml · nonDerivative · entry 1

Masson Robert L. II · CIK 0001934117 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,592

F1 · shares: Represents restricted stock units that will vest in three equal installments (rounded down to the nearest whole number), on each anniversary of August 4, 2022.

SEC source: 0000950142-22-001970 · es220260762_4-hawkinson.xml · nonDerivative · entry 2

Hawkinson Alex · CIK 0001491540 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 171,335

F2 · shares: Represents RSUs which vest on the first anniversary of May 3, 2022.

SEC source: 0000950142-22-001967 · es220260758_4-cline.xml · nonDerivative · entry 2

Cline James E · CIK 0001430183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,749

F2 · shares: Represents RSUs which vest on the first anniversary of May 3, 2022.

SEC source: 0000950142-22-001969 · es220260761_4-evans.xml · nonDerivative · entry 2

Evans Robert Deaton · CIK 0001654077 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 328,785

F2 · shares: Represents RSUs which vest on the first anniversary of May 3, 2022.

SEC source: 0000950142-22-001973 · es220260768_4-mwade.xml · nonDerivative · entry 2

Morno-Wade Suzan · CIK 0001761233 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,339

F2 · shares: Represents RSUs which vest on the first anniversary of May 3, 2022.

SEC source: 0000950142-22-001972 · es220260767_4-laven.xml · nonDerivative · entry 2

Laven Mark Phillip · CIK 0001834448 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 387,206

F2 · shares: Represents RSUs which vest on the first anniversary of May 3, 2022.

SEC source: 0001493152-22-012146 · ownership.xml · nonDerivative · entry 2

Pamplona Capital Management, LLC · CIK 0001554913 · Director · 10% owner · See Remarks

Pamplona Equity Advisors V, Ltd · CIK 0001844360 · Director · 10% owner

Pamplona Equity Carryco Advisors V, Ltd. · CIK 0001915348 · Director · 10% owner

Pamplona PE Investments II, Ltd. · CIK 0001915345 · Director · 10% owner

Pamplona PE Investments Malta Ltd · CIK 0001650903 · Director · 10% owner

Pamplona Capital Management, LLP · CIK 0001554942 · Director · 10% owner

Pamplona Capital Management (PE) SL · CIK 0001844434 · Director · 10% owner

Knaster Alexander M · CIK 0001308574 · Director · 10% owner

Halsted John C. · CIK 0001844403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 51,845,685

F2 · kind: Represents a cross-trade, pursuant to which Pamplona Capital Partners V, L.P. ("PCP V") transferred 12,961,421 shares of common stock, par value $0.0001 per share (the "Common Stock") of Latham Group, Inc. (the "Issuer") to Pamplona Private Equity Carryco V, L.P. ("PPEC V") for no monetary consideration.

F2 · price: Represents a cross-trade, pursuant to which Pamplona Capital Partners V, L.P. ("PCP V") transferred 12,961,421 shares of common stock, par value $0.0001 per share (the "Common Stock") of Latham Group, Inc. (the "Issuer") to Pamplona Private Equity Carryco V, L.P. ("PPEC V") for no monetary consideration.

F1 · ownership.nature: This statement is being filed by (i) Pamplona Equity Advisors V Ltd. ("PEA V"), (ii) Pamplona Equity Carryco Advisors V, Ltd. ("PECA V"), (iii) Pamplona PE Investments II, Ltd. ("PPEI"), (iv) Pamplona PE Investments Malta Limited ("PE Malta"), (v) Pamplona Capital Management LLP ("PCM LLP"), (vi) Pamplona Capital Management LLC ("PCM LLC"), (vii) Pamplona Capital Management (PE) SL ("PCM SL"), (viii) John C. Halsted and (ix) Alexander M. Knaster (the foregoing, collectively, the "Reporting Persons").

F3 · ownership.nature: The shares of Common Stock are held by PCP V and PPEC V. PCP V is controlled by PEA V, its general partner. Mr. John C. Halsted owns 100% of the shares of PEA V. PE Malta serves as an investment manager to PCP V. PCM LLP, PCM LLC and PCM SL ("collectively, the "Pamplona Manager Entities") serve as investment advisors to PE Malta. Mr. John C. Halsted and Mr. Alexander M. Knaster are the principals of the Pamplona Manager Entities. PPEC V is controlled by PECA V, its general partner. PPEI owns 100% of the shares of PECA V. Mr. Alexander M. Knaster owns 100% of the shares of PPEI.

F4 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001493152-22-012146 · ownership.xml · nonDerivative · entry 1

Pamplona Capital Management, LLC · CIK 0001554913 · Director · 10% owner · See Remarks

Pamplona Equity Advisors V, Ltd · CIK 0001844360 · Director · 10% owner

Pamplona Equity Carryco Advisors V, Ltd. · CIK 0001915348 · Director · 10% owner

Pamplona PE Investments II, Ltd. · CIK 0001915345 · Director · 10% owner

Pamplona PE Investments Malta Ltd · CIK 0001650903 · Director · 10% owner

Pamplona Capital Management, LLP · CIK 0001554942 · Director · 10% owner

Pamplona Capital Management (PE) SL · CIK 0001844434 · Director · 10% owner

Knaster Alexander M · CIK 0001308574 · Director · 10% owner

Halsted John C. · CIK 0001844403 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 38,884,264

F2 · kind: Represents a cross-trade, pursuant to which Pamplona Capital Partners V, L.P. ("PCP V") transferred 12,961,421 shares of common stock, par value $0.0001 per share (the "Common Stock") of Latham Group, Inc. (the "Issuer") to Pamplona Private Equity Carryco V, L.P. ("PPEC V") for no monetary consideration.

F2 · price: Represents a cross-trade, pursuant to which Pamplona Capital Partners V, L.P. ("PCP V") transferred 12,961,421 shares of common stock, par value $0.0001 per share (the "Common Stock") of Latham Group, Inc. (the "Issuer") to Pamplona Private Equity Carryco V, L.P. ("PPEC V") for no monetary consideration.

F1 · ownership.nature: This statement is being filed by (i) Pamplona Equity Advisors V Ltd. ("PEA V"), (ii) Pamplona Equity Carryco Advisors V, Ltd. ("PECA V"), (iii) Pamplona PE Investments II, Ltd. ("PPEI"), (iv) Pamplona PE Investments Malta Limited ("PE Malta"), (v) Pamplona Capital Management LLP ("PCM LLP"), (vi) Pamplona Capital Management LLC ("PCM LLC"), (vii) Pamplona Capital Management (PE) SL ("PCM SL"), (viii) John C. Halsted and (ix) Alexander M. Knaster (the foregoing, collectively, the "Reporting Persons").

F3 · ownership.nature: The shares of Common Stock are held by PCP V and PPEC V. PCP V is controlled by PEA V, its general partner. Mr. John C. Halsted owns 100% of the shares of PEA V. PE Malta serves as an investment manager to PCP V. PCM LLP, PCM LLC and PCM SL ("collectively, the "Pamplona Manager Entities") serve as investment advisors to PE Malta. Mr. John C. Halsted and Mr. Alexander M. Knaster are the principals of the Pamplona Manager Entities. PPEC V is controlled by PECA V, its general partner. PPEI owns 100% of the shares of PECA V. Mr. Alexander M. Knaster owns 100% of the shares of PPEI.

F4 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001493152-22-012144 · ownership.xml · nonDerivative · entry 2

Pamplona Capital Partners V, L.P. · CIK 0001844374 · Director · 10% owner · See Remarks

Pamplona Private Equity Carryco V, L.P. · CIK 0001915346 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 51,845,685

F2 · kind: Represents a cross-trade, pursuant to which PCP V transferred 12,961,421 shares of common stock, par value $0.0001 per share (the "Common Stock") of Latham Group, Inc. (the "Issuer") to PPEC V for no monetary consideration.

F2 · price: Represents a cross-trade, pursuant to which PCP V transferred 12,961,421 shares of common stock, par value $0.0001 per share (the "Common Stock") of Latham Group, Inc. (the "Issuer") to PPEC V for no monetary consideration.

F1 · ownership.nature: This statement is being filed by Pamplona Capital Partners V, L.P. ("PCP V") and Pamplona Private Equity Carryco V, L.P. ("PPEC V", and together with PCP V, the "Reporting Persons").

F3 · ownership.nature: The shares of Common Stock are held by PCP V and PPEC V. PCP V is controlled by Pamplona Equity Advisors V Ltd.("PEA V"), its general partner. Mr. John C. Halsted owns 100% of the shares of PEA V. Pamplona PE Investments Malta Limited ("PE Malta") serves as an investment manager to PCP V. Pamplona Capital Management LLP ("PCM LLP"), Pamplona Capital Management LLC ("PCM LLC") and Pamplona Capital Management (PE) SL ("PCM SL", and collectively with PCM LLP and PCM LLC, the "Pamplona Manager Entities") serve as investment advisors to PE Malta. Mr. John C. Halsted and Mr. Alexander M. Knaster are the principals of the Pamplona Manager Entities. PPEC V is controlled by Pamplona Equity Carryco Advisors V, Ltd. ("PECA V"), its general partner. Pamplona PE Investments II, Ltd. ("PPEI") owns 100% of the shares of PECA V. Mr. Alexander M. Knaster owns 100% of the shares of PPEI.

F4 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001493152-22-012144 · ownership.xml · nonDerivative · entry 1

Pamplona Capital Partners V, L.P. · CIK 0001844374 · Director · 10% owner · See Remarks

Pamplona Private Equity Carryco V, L.P. · CIK 0001915346 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 38,884,264

F2 · kind: Represents a cross-trade, pursuant to which PCP V transferred 12,961,421 shares of common stock, par value $0.0001 per share (the "Common Stock") of Latham Group, Inc. (the "Issuer") to PPEC V for no monetary consideration.

F2 · price: Represents a cross-trade, pursuant to which PCP V transferred 12,961,421 shares of common stock, par value $0.0001 per share (the "Common Stock") of Latham Group, Inc. (the "Issuer") to PPEC V for no monetary consideration.

F1 · ownership.nature: This statement is being filed by Pamplona Capital Partners V, L.P. ("PCP V") and Pamplona Private Equity Carryco V, L.P. ("PPEC V", and together with PCP V, the "Reporting Persons").

F3 · ownership.nature: The shares of Common Stock are held by PCP V and PPEC V. PCP V is controlled by Pamplona Equity Advisors V Ltd.("PEA V"), its general partner. Mr. John C. Halsted owns 100% of the shares of PEA V. Pamplona PE Investments Malta Limited ("PE Malta") serves as an investment manager to PCP V. Pamplona Capital Management LLP ("PCM LLP"), Pamplona Capital Management LLC ("PCM LLC") and Pamplona Capital Management (PE) SL ("PCM SL", and collectively with PCM LLP and PCM LLC, the "Pamplona Manager Entities") serve as investment advisors to PE Malta. Mr. John C. Halsted and Mr. Alexander M. Knaster are the principals of the Pamplona Manager Entities. PPEC V is controlled by Pamplona Equity Carryco Advisors V, Ltd. ("PECA V"), its general partner. Pamplona PE Investments II, Ltd. ("PPEI") owns 100% of the shares of PECA V. Mr. Alexander M. Knaster owns 100% of the shares of PPEI.

F4 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000950142-22-001968 · es220260760_4-cowley.xml · nonDerivative · entry 3

Cowley Joshua D. · CIK 0001854167 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,024

F2 · shares: Represents a sale to cover tax obligations on the vesting of RSUs.

SEC source: 0000950142-22-001971 · es220260764_4-kunchala.xml · nonDerivative · entry 3

Kunchala Suraj · CIK 0001851763 · Vice President & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,117

F2 · shares: Represents a sale to cover tax obligations on the vesting of RSUs.

SEC source: 0000950142-22-001970 · es220260762_4-hawkinson.xml · nonDerivative · entry 1

Hawkinson Alex · CIK 0001491540 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,233

F1 · shares: Represents restricted stock units ("RSUs") that vested on April 22, 2022.

SEC source: 0000950142-22-001967 · es220260758_4-cline.xml · nonDerivative · entry 1

Cline James E · CIK 0001430183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,579

F1 · shares: Represents restricted stock units ("RSUs") that vested on April 22, 2022.

SEC source: 0000950142-22-001969 · es220260761_4-evans.xml · nonDerivative · entry 1

Evans Robert Deaton · CIK 0001654077 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 322,683

F1 · shares: Represents restricted stock units ("RSUs") that vested on April 22, 2022.

SEC source: 0000950142-22-001973 · es220260768_4-mwade.xml · nonDerivative · entry 1

Morno-Wade Suzan · CIK 0001761233 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,237

F1 · shares: Represents RSUs that vest in three installments (rounded to the nearest whole number), on each anniversary of April 22, 2021. 9,210 RSUs vested on April 22, 2022. 5,263 RSUs will vest on April 22, 2023 and 5,264 RSUs will vest on April 22, 2024.

SEC source: 0000950142-22-001972 · es220260767_4-laven.xml · nonDerivative · entry 1

Laven Mark Phillip · CIK 0001834448 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 381,104

F1 · shares: Represents restricted stock units ("RSUs") that vested on April 22, 2022.

SEC source: 0000950142-22-000955 · es220232450_4-culp.xml · derivative · entry 3

Culp Joel Richard · CIK 0001835183 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,434

Underlying: Common stock · 72,434 shares

Expires 2032-03-03

F2 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F2 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000954 · es220232449_4-cowley.xml · derivative · entry 2

Cowley Joshua D. · CIK 0001854167 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,197

Underlying: Common stock · 107,197 shares

Expires 2032-03-03

F1 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F1 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000959 · es220232455_4-kunchala.xml · derivative · entry 2

Kunchala Suraj · CIK 0001851763 · Vice President & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,879

Underlying: Common stock · 12,879 shares

Expires 2032-03-03

F1 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F1 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000953 · es220232448_4-borseth.xml · derivative · entry 3

BORSETH J MARK · CIK 0001214953 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,992

Underlying: Common stock · 84,992 shares

Expires 2032-03-03

F2 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F2 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000957 · es220232453_4-duva.xml · derivative · entry 2

Duva Jason A · CIK 0001534001 · Gen. Counsel & Chief Admin Off

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,992

Underlying: Common stock · 84,992 shares

Expires 2032-03-03

F2 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F2 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000960 · es220232456_4-rajeski.xml · derivative · entry 4

Rajeski Scott Michael · CIK 0001834472 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 172,281

Underlying: Common stock · 172,281 shares

Expires 2032-03-03

F2 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F2 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000958 · es220232454_4-feck.xml · derivative · entry 3

Feck Melissa Claire · CIK 0001834393 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,222

Underlying: Common stock · 35,222 shares

Expires 2032-03-03

F2 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F2 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000956 · es220232451_4-dhruv.xml · derivative · entry 3

Dhruv Kaushal Bhikhesh · CIK 0001834379 · Director · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,581

Underlying: Common stock · 40,581 shares

Expires 2032-03-03

F2 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F2 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000952 · es220232447_4-bahl.xml · derivative · entry 1

Bahl Sanjeev · CIK 0001907232 · COO Latham Pool Products, Inc.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,398

Underlying: Common stock · 80,398 shares

Expires 2032-03-03

F1 · security: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

F1 · derivative.exercise_date: The options vest in four equal installments (rounded down to the nearest whole number on each anniversary of March 3, 2022).

SEC source: 0000950142-22-000486 · es220222196_4-bahl.xml · derivative · entry 1

Bahl Sanjeev · CIK 0001907232 · COO Latham Pool Products, Inc.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,864

Underlying: Common Stock · 30,864 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2 · derivative.exercise_date: The restricted stock units will vest in three equal installments on each anniversary of January 24, 2022.

F2 · derivative.expiration_date: The restricted stock units will vest in three equal installments on each anniversary of January 24, 2022.

SEC source: 0000950142-22-001968 · es220260760_4-cowley.xml · nonDerivative · entry 2

Cowley Joshua D. · CIK 0001854167 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,981

F2 · shares: Represents a sale to cover tax obligations on the vesting of RSUs.

SEC source: 0000950142-22-001971 · es220260764_4-kunchala.xml · nonDerivative · entry 2

Kunchala Suraj · CIK 0001851763 · Vice President & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,624

F2 · shares: Represents a sale to cover tax obligations on the vesting of RSUs.

SEC source: 0000950142-22-001968 · es220260760_4-cowley.xml · nonDerivative · entry 1

Cowley Joshua D. · CIK 0001854167 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,421

F1 · shares: The restricted stock units (the "RSUs") will vest in three equal installments (rounded to the nearest whole number), on the nine month anniversary of April 22, 2021, the twelve month anniversary and the twenty-four month anniversary of April 22, 2021. 22,807 RSUs vested on January 22, 2022 and 22,807 RSUs vested on April 22, 2022. 22,807 RSUs will vest on April 22, 2023.

SEC source: 0000950142-22-001971 · es220260764_4-kunchala.xml · nonDerivative · entry 1

Kunchala Suraj · CIK 0001851763 · Vice President & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,368

F1 · shares: The restricted stock units ("RSUs") will vest in three equal installments (rounded to the nearest whole number), on the nine month anniversary of April 22, 2021, the twelve month anniversary and the twenty-four month anniversary of April 22, 2021. 4,123 RSUs vested on January 22, 2022 and 4,123 RSUs vested on April 22, 2022. 4,122 RSUs will vest on April 22, 2023.

SEC source: 0000950142-22-000300 · es220216959_4-culp.xml · nonDerivative · entry 1

Culp Joel Richard · CIK 0001835183 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 410,783

F1 · shares: Represents 35,412 shares of common stock sold to the Issuer.

SEC source: 0000950142-22-000296 · es220216606_4-pcpvlp.xml · nonDerivative · entry 1

Pamplona Capital Partners V, L.P. · CIK 0001844374 · Director · 10% owner · See Remarks

Pamplona Equity Advisors V, Ltd · CIK 0001844360 · Director · 10% owner · See Remarks

Pamplona PE Investments Malta Ltd · CIK 0001650903 · Director · 10% owner · See Remarks

Pamplona Capital Management, LLP · CIK 0001554942 · Director · 10% owner · See Remarks

Pamplona Capital Management, LLC · CIK 0001554913 · Director · 10% owner · See Remarks

Pamplona Capital Management (PE) SL · CIK 0001844434 · Director · 10% owner · See Remarks

Halsted John C. · CIK 0001844403 · Director · 10% owner · See Remarks

Knaster Alexander M · CIK 0001308574 · Director · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 51,845,685

F1 · shares: Represents 9,630,896 shares of common stock sold to the Issuer.

F2 · ownership.nature: Consists of shares directly held by Pamplona Capital Partners V, L.P. Pamplona Capital Partners V, L.P., is controlled by Pamplona Equity Advisors V Ltd, its general partner. John C. Halsted owns 100% of the shares of Pamplona Equity Advisors V, Ltd. Pamplona PE Investments Malta Limited, serves as an investment manager to Pamplona Capital Partners V, L.P. Pamplona Capital Management LLP, Pamplona Capital Management LLC and Pamplona Capital Management (PE) SL (together, the "Pamplona Manager Entities") serve as investment advisors to Pamplona PE Investments Malta Limited. Mr. John C. Halsted and Mr. Alexander Knaster are the principals of Pamplona Manager Entities. (cont'd on FN 3)

F3 · ownership.nature: (cont'd from FN 2) Each of Pamplona Equity Advisors V, Ltd, the Pamplona Manager Entities, John C. Halsted and Alexander Knaster may be deemed to have voting and dispositive power with respect to the common stock directly owned by Pamplona Capital Partners V, L. P. and therefore be deemed to be the beneficial owner of the common stock held by Pamplona Capital Partners V, L. P., but each disclaims beneficial ownership of such common stock except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that any such entity or person is the beneficial owner of or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000950142-22-000297 · es220216607_4-wcpivlp.xml · nonDerivative · entry 1

WYNNCHURCH CAPITAL PARTNERS IV, L.P. · CIK 0001620062 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,545,703

F1 · shares: Represents 2,702,021 shares of common stock sold to the Issuer.

SEC source: 0000950142-22-000299 · es220216958_4-borseth.xml · nonDerivative · entry 1

BORSETH J MARK · CIK 0001214953 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 442,378

F1 · shares: Represents 77,599 shares of common stock sold to the Issuer.

SEC source: 0000950142-22-000298 · es220216608_4-wpivlp.xml · nonDerivative · entry 2

Wynnchurch Partners IV, L.P. · CIK 0001843728 · Director · 10% owner · See Remarks

Wynnchurch Management, Ltd. · CIK 0001843727 · Director · 10% owner · See Remarks

HATHERLY JOHN · CIK 0001253362 · Director · 10% owner · See Remarks

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By: WC Partners Executive IV, L.P.

Disclosed balance after: 438,068

F1 · shares: Represents 2,702,021 shares of common stock sold to the Issuer by Wynnchurch Capital Partners IV, L.P. and 81,376 shares of common stock sold to the Issuer by WC Partners Executive IV, L.P.

F2 · ownership.nature: Wynnchurch Capital Partners IV, L.P. directly owns 14,545,703 shares of common stock and WC Partners Executive IV, L.P. directly owns 438,068 shares of common stock. The general partner of Wynnchurch Capital Partners IV, L.P. and WC Partners Executive IV, L.P. is Wynnchurch Partners IV, L.P. (the "General Partner"). The general partner of the General Partner is Wynnchurch Management, Ltd. ("WML"). WML and a limited partner committee consisting of other senior partners manage the General Partner, provided that WML's consent is required for any action, decision, consent or other determination. The sole director of WML is John Hatherly.