LCII

SEC source: 0000763744-25-000098 · wk-form4_1747684985.xml · derivative · entry 3

GERO JAMES · CIK 0001213182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,687

Underlying: Common Stock · 1,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · derivative.exercise_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

F4 · derivative.expiration_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

SEC source: 0000763744-25-000098 · wk-form4_1747684985.xml · derivative · entry 2

GERO JAMES · CIK 0001213182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 1 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000098 · wk-form4_1747684985.xml · nonDerivative · entry 1

GERO JAMES · CIK 0001213182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 319,486

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.

SEC source: 0000763744-25-000096 · wk-form4_1747659771.xml · derivative · entry 3

SIRPILLA JOHN A. · CIK 0001793726 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,687

Underlying: Common Stock · 1,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · derivative.exercise_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

F4 · derivative.expiration_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

SEC source: 0000763744-25-000096 · wk-form4_1747659771.xml · derivative · entry 2

SIRPILLA JOHN A. · CIK 0001793726 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 59 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) June 14, 2024, September 13, 2024, December 13, 2024, and March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000096 · wk-form4_1747659771.xml · nonDerivative · entry 1

SIRPILLA JOHN A. · CIK 0001793726 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,533

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.

SEC source: 0000763744-25-000094 · wk-form4_1747659613.xml · derivative · entry 2

REED DAVID A · CIK 0001192096 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 1 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000094 · wk-form4_1747659613.xml · nonDerivative · entry 1

REED DAVID A · CIK 0001192096 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 20,370

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.

SEC source: 0000763744-25-000092 · wk-form4_1747659504.xml · derivative · entry 3

O'SULLIVAN KIERAN M · CIK 0001566534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,687

Underlying: Common Stock · 1,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · derivative.exercise_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

F4 · derivative.expiration_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

SEC source: 0000763744-25-000092 · wk-form4_1747659504.xml · derivative · entry 2

O'SULLIVAN KIERAN M · CIK 0001566534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 59 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) June 14, 2024, September 13, 2024, December 13, 2024, and March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000092 · wk-form4_1747659504.xml · nonDerivative · entry 1

O'SULLIVAN KIERAN M · CIK 0001566534 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,961

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.

SEC source: 0000763744-25-000090 · wk-form4_1747659352.xml · derivative · entry 3

Myers Linda Kristine · CIK 0001805486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,687

Underlying: Common Stock · 1,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · derivative.exercise_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

F4 · derivative.expiration_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

SEC source: 0000763744-25-000090 · wk-form4_1747659352.xml · derivative · entry 2

Myers Linda Kristine · CIK 0001805486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 59 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) June 14, 2024, September 13, 2024, December 13, 2024, and March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000090 · wk-form4_1747659352.xml · nonDerivative · entry 1

Myers Linda Kristine · CIK 0001805486 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,506

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.

SEC source: 0000763744-25-000088 · wk-form4_1747659191.xml · derivative · entry 3

Mains Stephanie K. · CIK 0001766980 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,687

Underlying: Common Stock · 1,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · derivative.exercise_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

F4 · derivative.expiration_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

SEC source: 0000763744-25-000088 · wk-form4_1747659191.xml · derivative · entry 2

Mains Stephanie K. · CIK 0001766980 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 19 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000088 · wk-form4_1747659191.xml · nonDerivative · entry 1

Mains Stephanie K. · CIK 0001766980 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,493

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.

SEC source: 0000763744-25-000086 · wk-form4_1747659069.xml · derivative · entry 3

Henkels Virginia · CIK 0001506839 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,687

Underlying: Common Stock · 1,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · derivative.exercise_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

F4 · derivative.expiration_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

SEC source: 0000763744-25-000086 · wk-form4_1747659069.xml · derivative · entry 2

Henkels Virginia · CIK 0001506839 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 59 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) June 14, 2024, September 13, 2024, December 13, 2024, and March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000086 · wk-form4_1747659069.xml · nonDerivative · entry 1

Henkels Virginia · CIK 0001506839 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,325

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.

SEC source: 0000763744-25-000084 · wk-form4_1747658920.xml · derivative · entry 3

Graham Tracy D · CIK 0001544055 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,687

Underlying: Common Stock · 1,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · derivative.exercise_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

F4 · derivative.expiration_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

SEC source: 0000763744-25-000084 · wk-form4_1747658920.xml · derivative · entry 2

Graham Tracy D · CIK 0001544055 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 59 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) June 14, 2024, September 13, 2024, December 13, 2024, and March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000084 · wk-form4_1747658920.xml · nonDerivative · entry 1

Graham Tracy D · CIK 0001544055 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,666

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.

SEC source: 0000763744-25-000081 · wk-form4_1747658377.xml · derivative · entry 3

Deely Brendan · CIK 0001327580 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,687

Underlying: Common Stock · 1,687 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · derivative.exercise_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

F4 · derivative.expiration_date: These restricted stock units will vest in full on the earlier of May 15, 2026 or the date of the next year's annual meeting of stockholders.

SEC source: 0000763744-25-000081 · wk-form4_1747658377.xml · derivative · entry 2

Deely Brendan · CIK 0001327580 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,413 shares

Expires not disclosed

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 59 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) June 14, 2024, September 13, 2024, December 13, 2024, and March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

F3 · derivative.expiration_date: These restricted stock units vested in full on May 15, 2025, the date of the 2025 annual meeting of stockholders.

SEC source: 0000763744-25-000081 · wk-form4_1747658377.xml · nonDerivative · entry 1

Deely Brendan · CIK 0001327580 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,399

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.

SEC source: 0000763744-25-000055 · wk-form4_1744981351.xml · derivative · entry 3

Etzkorn Lillian · CIK 0001693376 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,083

Underlying: Common Stock · 1,081 shares

Expires 2026-04-17

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 14 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vest ratably each year on the first through third anniversaries of the grant date, which was April 17, 2023.

F2 · balance_after: Includes 14 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

SEC source: 0000763744-25-000055 · wk-form4_1744981351.xml · nonDerivative · entry 2

Etzkorn Lillian · CIK 0001693376 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,418

SEC source: 0000763744-25-000055 · wk-form4_1744981351.xml · nonDerivative · entry 1

Etzkorn Lillian · CIK 0001693376 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,733

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.

SEC source: 0000763744-25-000056 · wk-form4_1744982485.xml · derivative · entry 9

NAMENYE ANDREW J · CIK 0001723219 · EVP, CLO, CHRO, & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 917

Underlying: Common Stock · 917 shares

Expires 2028-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F12 · shares: These Performance Stock Units ("PSUs") were granted in connection with the reporting person's assumption of additional duties and role as Chief Human Resources Officer. These PSUs represent the contingent right to receive shares of LCII Common Stock, if and to the extent certain Return on Invested Capital and Free Cash Flow performance goals are achieved by the end of 2027. Earned PSUs, if any, will vest on March 1, 2028.

SEC source: 0000763744-25-000056 · wk-form4_1744982485.xml · derivative · entry 5

NAMENYE ANDREW J · CIK 0001723219 · EVP, CLO, CHRO, & Corp Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 611

Underlying: Common Stock · 611 shares

Expires 2028-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F8 · derivative.exercise_date: These Restricted Stock Units ("RSUs") were granted in connection with the reporting person's assumption of additional duties and role as Chief Human Resources Officer. These RSUs vest ratably each year in thirds on the first through third anniversaries of March 1, 2025.

SEC source: 0000763744-25-000050 · wk-form4_1743538765.xml · derivative · entry 2

GERO JAMES · CIK 0001213182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,302

Underlying: Common Stock · 329 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · derivative.exercise_date: These shares represent deferred stock units "DSUs" earned from quarterly director fees, the settlement of these DSUs will vest upon the conclusion of the director's board service with the Company per the election of the director.

F2 · derivative.expiration_date: These shares represent deferred stock units "DSUs" earned from quarterly director fees, the settlement of these DSUs will vest upon the conclusion of the director's board service with the Company per the election of the director.

F3 · balance_after: Includes 128 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

SEC source: 0000763744-25-000048 · wk-form4_1743538668.xml · derivative · entry 2

REED DAVID A · CIK 0001192096 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 629

Underlying: Common Stock · 83 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · derivative.exercise_date: These shares represent deferred stock units "DSUs" earned from quarterly director fees, the settlement of these DSUs will vest on January 15, 2026, January 15, 2027, and January 15, 2028, per the election of the director.

F2 · derivative.expiration_date: These shares represent deferred stock units "DSUs" earned from quarterly director fees, the settlement of these DSUs will vest on January 15, 2026, January 15, 2027, and January 15, 2028, per the election of the director.

F3 · balance_after: Includes 7 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 21, 2025 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · derivative · entry 12

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,238 shares

Expires 2025-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F13 · shares: Includes 420 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 22, 2024, June 14, 2024, September 13, 2024, and December 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F14 · shares: Represents the forfeiture of PSUs granted to the reporting person on March 1, 2022 that were eligible to vest based on certain financial performance objectives. Upon grant, the target vesting amount was reported in Table II of Form 4. On March 1, 2025, the Company determined that, based on the Company's performance over the applicable performance period, all PSUs under this grant would be forfeited.

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · derivative · entry 11

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,941

Underlying: Common Stock · 11,941 shares

Expires 2028-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F12 · shares: These Performance Stock Units ("PSUs") represent the contingent right to receive shares of LCII Common Stock, if and to the extent certain Return on Invested Capital and Free Cash Flow performance goals are achieved by the end of 2027. Earned PSUs, if any, will vest on March 1, 2028.

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · derivative · entry 8

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,961

Underlying: Common Stock · 7,961 shares

Expires 2028-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F9 · derivative.exercise_date: These restricted stock units vest ratably each year on the first through third anniversaries of the grant date, which was March 1, 2025

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · derivative · entry 7

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,855

Underlying: Common Stock · 2,427 shares

Expires 2027-03-01

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F6 · shares: Includes 91 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 22, 2024, June 14, 2024, September 13, 2024, and December 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F7 · derivative.exercise_date: These restricted stock units vest ratably each year on the first through third anniversaries of the grant date, which was March 1, 2024.

F8 · balance_after: Includes 181 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 22, 2024, June 14, 2024, September 13, 2024, and December 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · derivative · entry 6

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,277

Underlying: Common Stock · 2,276 shares

Expires 2026-03-01

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F4 · shares: Includes 85 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 22, 2024, June 14, 2024, September 13, 2024, and December 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F5 · derivative.exercise_date: These restricted stock units vest ratably each year on the first through third anniversaries of the grant date, which was March 1, 2023.

F4 · balance_after: Includes 85 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 22, 2024, June 14, 2024, September 13, 2024, and December 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · derivative · entry 5

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,873 shares

Expires 2025-03-01

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 70 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 22, 2024, June 14, 2024, September 13, 2024, and December 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vest ratably each year on the first through third anniversaries of the grant date, which was March 1, 2022.

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · nonDerivative · entry 4

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,420

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · nonDerivative · entry 3

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,287

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.

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · nonDerivative · entry 2

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,860

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.

SEC source: 0000763744-25-000037 · wk-form4_1741096193.xml · nonDerivative · entry 1

Schnur Jamie · CIK 0001500862 · Group President - Aftermarket

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,584

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.

SEC source: 0000763744-25-000036 · wk-form4_1741096146.xml · derivative · entry 8

Etzkorn Lillian · CIK 0001693376 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,051

Underlying: Common Stock · 7,051 shares

Expires 2028-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F10 · shares: These Performance Stock Units ("PSUs") represent a contingent right to receive shares of LCII Common Stock, if and to the extent certain Return on Invested Capital and Free Cash Flow performance goals are achieved by the end of 2027. Earned PSUs, if any, will vest on March 1, 2028.

SEC source: 0000763744-25-000036 · wk-form4_1741096146.xml · derivative · entry 5

Etzkorn Lillian · CIK 0001693376 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,654

Underlying: Common Stock · 4,654 shares

Expires 2028-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F7 · derivative.exercise_date: These restricted stock units vest ratably each year on the first through third anniversaries fo the grant date, which was March 1, 2025

SEC source: 0000763744-25-000036 · wk-form4_1741096146.xml · derivative · entry 3

Etzkorn Lillian · CIK 0001693376 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,581

Underlying: Common Stock · 1,290 shares

Expires 2027-03-01

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 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F2 · shares: Includes 37 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) December 13, 2024, September 13, 2024, and June 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F3 · derivative.exercise_date: These restricted stock units vest ratably each year on the first through third anniversaries of the grant date, which was March 1, 2024.

F4 · balance_after: Includes 74 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) December 13, 2024, September 13, 2024, and June 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

SEC source: 0000763744-25-000036 · wk-form4_1741096146.xml · nonDerivative · entry 2

Etzkorn Lillian · CIK 0001693376 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,652

SEC source: 0000763744-25-000036 · wk-form4_1741096146.xml · nonDerivative · entry 1

Etzkorn Lillian · CIK 0001693376 · EVP, CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,027

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.

SEC source: 0000763744-25-000035 · wk-form4_1741096104.xml · derivative · entry 12

NAMENYE ANDREW J · CIK 0001723219 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,797 shares

Expires 2025-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F14 · shares: Includes 254 stock unit(s) received as a result of regular cash dividends paid on reported payment date(s) March 22, 2024, June 14, 2024, September 13, 2024, and December 13, 2024 to holders of registrant's common stock on the related reported record date(s). In accordance with the registrant's 2018 Omnibus Incentive Plan for underlying units granted under that plan, holders of stock units on the reported dividend record date(s) received additional dividend equivalent stock unit(s) subject to the same terms and conditions as the underlying stock units held on the reported record date(s).

F15 · shares: Represents the forfeiture of PSUs granted to the reporting person on March 1, 2022 that were eligible to vest based on certain financial performance objectives. Upon grant, the target vesting amount was reported in Table II of Form 4. On March 1, 2025, the Company determined that, based on the Company's performance over the applicable performance period, all PSUs under this grant would be forfeited.

SEC source: 0000763744-25-000035 · wk-form4_1741096104.xml · derivative · entry 11

NAMENYE ANDREW J · CIK 0001723219 · EVP, Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,262

Underlying: Common Stock · 7,262 shares

Expires 2028-03-01

F1 · derivative.exercise_price: Each Stock Unit represents a contingent right to receive one share of LCII Common Stock.

F13 · shares: These Performance Stock Units ("PSUs") represent the contingent right to receive shares of LCII Common Stock, if and to the extent certain Return on Invested Capital and Free Cash Flow performance goals are achieved by the end of 2027. Earned PSUs, if any, will vest on March 1, 2028.