LB

SEC source: 0001193125-26-345454 · ownership.xml · derivative · entry 4

LandBridge Holdings LLC · CIK 0002029175 · Director · 10% owner

Five Point Energy Fund II AIV-VII LP · CIK 0002028478 · Director · 10% owner

Five Point Energy Fund III AIV-VIII LP · CIK 0002028439 · Director · 10% owner

Five Point Energy GP II LP · CIK 0002028446 · Director · 10% owner

Five Point Energy GP II LLC · CIK 0002028396 · Director · 10% owner

Five Point Energy GP III LP · CIK 0002028366 · Director · 10% owner

Five Point Energy GP III LLC · CIK 0002028367 · Director · 10% owner

Capobianco David N · CIK 0001298438 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,168,908

Underlying: Class A Shares · 1,250,000 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 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with the sale by the Reporting Person pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, the Reporting Person (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 73,141 OpCo Units and 102,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended March 31, 2026 and June 30, 2026, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.direct: The Reporting Person is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 77.0% of the capital interests of the Reporting Person and have the right to appoint a majority of the members of the board of managers of the Reporting Person. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III. Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP.

F5 · ownership.direct: (Continued from footnote 4) Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by the Reporting Person and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-345454 · ownership.xml · nonDerivative · entry 3

LandBridge Holdings LLC · CIK 0002029175 · Director · 10% owner

Five Point Energy Fund II AIV-VII LP · CIK 0002028478 · Director · 10% owner

Five Point Energy Fund III AIV-VIII LP · CIK 0002028439 · Director · 10% owner

Five Point Energy GP II LP · CIK 0002028446 · Director · 10% owner

Five Point Energy GP II LLC · CIK 0002028396 · Director · 10% owner

Five Point Energy GP III LP · CIK 0002028366 · Director · 10% owner

Five Point Energy GP III LLC · CIK 0002028367 · Director · 10% owner

Capobianco David N · CIK 0001298438 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · kind: In connection with the sale by the Reporting Person pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, the Reporting Person (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F2 · price: In connection with the sale by the Reporting Person pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, the Reporting Person (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F4 · ownership.direct: The Reporting Person is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 77.0% of the capital interests of the Reporting Person and have the right to appoint a majority of the members of the board of managers of the Reporting Person. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III. Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP.

F5 · ownership.direct: (Continued from footnote 4) Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by the Reporting Person and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-345454 · ownership.xml · nonDerivative · entry 2

LandBridge Holdings LLC · CIK 0002029175 · Director · 10% owner

Five Point Energy Fund II AIV-VII LP · CIK 0002028478 · Director · 10% owner

Five Point Energy Fund III AIV-VIII LP · CIK 0002028439 · Director · 10% owner

Five Point Energy GP II LP · CIK 0002028446 · Director · 10% owner

Five Point Energy GP II LLC · CIK 0002028396 · Director · 10% owner

Five Point Energy GP III LP · CIK 0002028366 · Director · 10% owner

Five Point Energy GP III LLC · CIK 0002028367 · Director · 10% owner

Capobianco David N · CIK 0001298438 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,250,000

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 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with the sale by the Reporting Person pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, the Reporting Person (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F4 · ownership.direct: The Reporting Person is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 77.0% of the capital interests of the Reporting Person and have the right to appoint a majority of the members of the board of managers of the Reporting Person. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III. Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP.

F5 · ownership.direct: (Continued from footnote 4) Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by the Reporting Person and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-345454 · ownership.xml · nonDerivative · entry 1

LandBridge Holdings LLC · CIK 0002029175 · Director · 10% owner

Five Point Energy Fund II AIV-VII LP · CIK 0002028478 · Director · 10% owner

Five Point Energy Fund III AIV-VIII LP · CIK 0002028439 · Director · 10% owner

Five Point Energy GP II LP · CIK 0002028446 · Director · 10% owner

Five Point Energy GP II LLC · CIK 0002028396 · Director · 10% owner

Five Point Energy GP III LP · CIK 0002028366 · Director · 10% owner

Five Point Energy GP III LLC · CIK 0002028367 · Director · 10% owner

Capobianco David N · CIK 0001298438 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,168,908

F1 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with the sale by the Reporting Person pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, the Reporting Person (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 73,141 OpCo Units and 102,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended March 31, 2026 and June 30, 2026, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.direct: The Reporting Person is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 77.0% of the capital interests of the Reporting Person and have the right to appoint a majority of the members of the board of managers of the Reporting Person. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III. Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP.

F5 · ownership.direct: (Continued from footnote 4) Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by the Reporting Person and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-345446 · ownership.xml · derivative · entry 4

Capobianco David N · CIK 0001298438 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 47,168,908

Underlying: Class A Shares · 1,250,000 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 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with the sale by LandBridge Holdings LLC ("LandBridge Holdings") pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, LandBridge Holdings (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 73,141 OpCo Units and 102,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended March 31, 2026 and June 30, 2026, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.nature: LandBridge Holdings is ultimately controlled by the Reporting Person. As a result of the foregoing, the Reporting Person may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. The Reporting Person disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-345446 · ownership.xml · nonDerivative · entry 3

Capobianco David N · CIK 0001298438 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F2 · kind: In connection with the sale by LandBridge Holdings LLC ("LandBridge Holdings") pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, LandBridge Holdings (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F2 · price: In connection with the sale by LandBridge Holdings LLC ("LandBridge Holdings") pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, LandBridge Holdings (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F4 · ownership.nature: LandBridge Holdings is ultimately controlled by the Reporting Person. As a result of the foregoing, the Reporting Person may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. The Reporting Person disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-345446 · ownership.xml · nonDerivative · entry 2

Capobianco David N · CIK 0001298438 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,250,000

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 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with the sale by LandBridge Holdings LLC ("LandBridge Holdings") pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, LandBridge Holdings (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F4 · ownership.nature: LandBridge Holdings is ultimately controlled by the Reporting Person. As a result of the foregoing, the Reporting Person may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. The Reporting Person disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-345446 · ownership.xml · nonDerivative · entry 1

Capobianco David N · CIK 0001298438 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 47,168,908

F1 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with the sale by LandBridge Holdings LLC ("LandBridge Holdings") pursuant to Rule 144 of the Securities Act of 1933, as amended, through a broker-dealer, on August 7, 2026, LandBridge Holdings (i) redeemed 1,250,000 OpCo Units (together with the cancellation of 1,250,000 Class B Shares) for 1,250,000 Class A Shares and (ii) sold 1,250,000 Class A Shares at a price per share of $75.05.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 73,141 OpCo Units and 102,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended March 31, 2026 and June 30, 2026, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.nature: LandBridge Holdings is ultimately controlled by the Reporting Person. As a result of the foregoing, the Reporting Person may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. The Reporting Person disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-338555 · ownership.xml · nonDerivative · entry 1

Nicolas Andrea Liria · CIK 0002036682 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,454

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2027, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0001193125-26-338548 · ownership.xml · nonDerivative · entry 1

Long Jason Thomas · CIK 0002028425 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 210,479

F1 · shares: Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one Class A Share. The RSUs will vest as to 1/5 of the underlying shares on each of the first five (5) anniversaries of July 1, 2026.

SEC source: 0001193125-26-338595 · ownership.xml · nonDerivative · entry 1

McNeely Scott Lloyd · CIK 0002028434 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,017

F1 · shares: Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one Class A Share. The RSUs will vest as to 1/5 of the underlying shares on each of the first five (5) anniversaries of July 1, 2026.

SEC source: 0001193125-26-338546 · ownership.xml · nonDerivative · entry 1

Williams Jason Frederick · CIK 0002028553 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,447

F1 · shares: Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one Class A Share. The RSUs will vest as to 1/5 of the underlying shares on each of the first five (5) anniversaries of July 1, 2026.

SEC source: 0001193125-26-338566 · ownership.xml · nonDerivative · entry 1

Bolling Harrison Fenner · CIK 0002028379 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,294

F1 · shares: Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one Class A Share. The RSUs will vest as to 1/5 of the underlying shares on each of the first five (5) anniversaries of July 1, 2026.

SEC source: 0001193125-26-338588 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,397

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2027, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0001193125-26-338557 · ownership.xml · nonDerivative · entry 1

Daul Ty P. · CIK 0001645449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,295

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2027, generally subject to continued service on the board of directors through such vesting date.

F2 · balance_after: Includes 27 shares acquired through a dividend reinvestment plan.

SEC source: 0001193125-26-338532 · ownership.xml · nonDerivative · entry 1

WATSON CHARLES L. · CIK 0001914249 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,454

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2027, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0001193125-26-294727 · ownership.xml · nonDerivative · entry 1

Long Jason Thomas · CIK 0002028425 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,121

F1 · shares: In connection with the vesting and settlement of restricted share units ("RSUs") through the issuance of Class A shares of LandBridge Company LLC (the "Issuer") pursuant to the LandBridge Company LLC Long-Term Incentive Plan, the Issuer withheld Class A shares that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations.

SEC source: 0001193125-26-294645 · ownership.xml · nonDerivative · entry 1

McNeely Scott Lloyd · CIK 0002028434 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,088

F1 · shares: In connection with the vesting and settlement of restricted share units ("RSUs") through the issuance of Class A shares of LandBridge Company LLC (the "Issuer") pursuant to the LandBridge Company LLC Long-Term Incentive Plan, the Issuer withheld Class A shares that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations.

SEC source: 0001193125-26-294710 · ownership.xml · nonDerivative · entry 1

Williams Jason Frederick · CIK 0002028553 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,875

F1 · shares: In connection with the vesting and settlement of restricted share units ("RSUs") through the issuance of Class A shares of LandBridge Company LLC (the "Issuer") pursuant to the LandBridge Company LLC Long-Term Incentive Plan, the Issuer withheld Class A shares that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations.

SEC source: 0001193125-26-294636 · ownership.xml · nonDerivative · entry 1

Bolling Harrison Fenner · CIK 0002028379 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,722

F1 · shares: In connection with the vesting and settlement of restricted share units ("RSUs") through the issuance of Class A shares of LandBridge Company LLC (the "Issuer") pursuant to the LandBridge Company LLC Long-Term Incentive Plan, the Issuer withheld Class A shares that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations.

SEC source: 0001193125-26-096859 · ownership.xml · nonDerivative · entry 3

WATSON CHARLES L. · CIK 0001914249 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 64,250

F1 · ownership.nature: Includes 64,250 Class A shares representing limited liability company interests (the "Class A shares") in LandBridge Company LLC that are directly held by Wincrest Ventures, LP ("Wincrest Ventures"). The reporting person is the chief executive officer of Wincrest Ventures, and the reporting person and his wife jointly own 100% of the ownership interests in Wincrest Investments Inc., the sole general partner of Wincrest Ventures. As a result of the foregoing, the reporting person may exercise voting and investment control over the Class A shares held by Wincrest Ventures and may be deemed to be the beneficial owner thereof. The reporting person disclaims beneficial ownership of Class A shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-096859 · ownership.xml · nonDerivative · entry 2

WATSON CHARLES L. · CIK 0001914249 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 77,250

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.1477 to $75.6468 per share.

F1 · ownership.nature: Includes 64,250 Class A shares representing limited liability company interests (the "Class A shares") in LandBridge Company LLC that are directly held by Wincrest Ventures, LP ("Wincrest Ventures"). The reporting person is the chief executive officer of Wincrest Ventures, and the reporting person and his wife jointly own 100% of the ownership interests in Wincrest Investments Inc., the sole general partner of Wincrest Ventures. As a result of the foregoing, the reporting person may exercise voting and investment control over the Class A shares held by Wincrest Ventures and may be deemed to be the beneficial owner thereof. The reporting person disclaims beneficial ownership of Class A shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-096859 · ownership.xml · nonDerivative · entry 1

WATSON CHARLES L. · CIK 0001914249 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 86,920

F1 · ownership.nature: Includes 64,250 Class A shares representing limited liability company interests (the "Class A shares") in LandBridge Company LLC that are directly held by Wincrest Ventures, LP ("Wincrest Ventures"). The reporting person is the chief executive officer of Wincrest Ventures, and the reporting person and his wife jointly own 100% of the ownership interests in Wincrest Investments Inc., the sole general partner of Wincrest Ventures. As a result of the foregoing, the reporting person may exercise voting and investment control over the Class A shares held by Wincrest Ventures and may be deemed to be the beneficial owner thereof. The reporting person disclaims beneficial ownership of Class A shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-26-005383 · ownership.xml · nonDerivative · entry 1

McNeely Scott Lloyd · CIK 0002028434 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,276

SEC source: 0001193125-26-005382 · ownership.xml · nonDerivative · entry 1

Long Jason Thomas · CIK 0002028425 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 223,546

SEC source: 0001193125-26-005388 · ownership.xml · nonDerivative · entry 1

Bolling Harrison Fenner · CIK 0002028379 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,874

SEC source: 0001193125-25-290287 · ownership.xml · derivative · entry 4

Capobianco David N · CIK 0001298438 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 48,593,505

Underlying: Class A Shares · 2,500,000 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 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 28,004 OpCo Units and 119,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) held by LandBridge Holdings on June 9, 2025 and September 8, 2025, respectively, in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended June 30, 2025 and September 30, 2025, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.nature: LandBridge Holdings is ultimately controlled by the Reporting Person. As a result of the foregoing, the Reporting Person may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. The Reporting Person disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-290287 · ownership.xml · nonDerivative · entry 3

Capobianco David N · CIK 0001298438 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F2 · kind: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F2 · price: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F4 · ownership.nature: LandBridge Holdings is ultimately controlled by the Reporting Person. As a result of the foregoing, the Reporting Person may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. The Reporting Person disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-290287 · ownership.xml · nonDerivative · entry 2

Capobianco David N · CIK 0001298438 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 2,500,000

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 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F4 · ownership.nature: LandBridge Holdings is ultimately controlled by the Reporting Person. As a result of the foregoing, the Reporting Person may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. The Reporting Person disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-290287 · ownership.xml · nonDerivative · entry 1

Capobianco David N · CIK 0001298438 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 48,593,505

F1 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 28,004 OpCo Units and 119,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) held by LandBridge Holdings on June 9, 2025 and September 8, 2025, respectively, in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended June 30, 2025 and September 30, 2025, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.nature: LandBridge Holdings is ultimately controlled by the Reporting Person. As a result of the foregoing, the Reporting Person may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. The Reporting Person disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-290489 · ownership.xml · derivative · entry 4

LandBridge Holdings LLC · CIK 0002029175 · Director · 10% owner

Five Point Energy GP II LP · CIK 0002028446 · Director · 10% owner

Five Point Energy GP II LLC · CIK 0002028396 · Director · 10% owner

Five Point Energy GP III LP · CIK 0002028366 · Director · 10% owner

Five Point Energy GP III LLC · CIK 0002028367 · Director · 10% owner

Capobianco David N · CIK 0001298438 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,593,505

Underlying: Class A Shares · 2,500,000 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 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by the Reporting Person on November 18, 2025, the Reporting Person (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 28,004 OpCo Units and 119,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) held by LandBridge Holdings on June 9, 2025 and September 8, 2025, respectively, in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended June 30, 2025 and September 30, 2025, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.direct: The Reporting Person is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of the Reporting Person and have the right to appoint a majority of the members of the board of managers of the Reporting Person. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.direct: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by the Reporting Person and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-290489 · ownership.xml · nonDerivative · entry 3

LandBridge Holdings LLC · CIK 0002029175 · Director · 10% owner

Five Point Energy GP II LP · CIK 0002028446 · Director · 10% owner

Five Point Energy GP II LLC · CIK 0002028396 · Director · 10% owner

Five Point Energy GP III LP · CIK 0002028366 · Director · 10% owner

Five Point Energy GP III LLC · CIK 0002028367 · Director · 10% owner

Capobianco David N · CIK 0001298438 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · kind: In connection with an underwritten public offering by the Reporting Person on November 18, 2025, the Reporting Person (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F2 · price: In connection with an underwritten public offering by the Reporting Person on November 18, 2025, the Reporting Person (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F4 · ownership.direct: The Reporting Person is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of the Reporting Person and have the right to appoint a majority of the members of the board of managers of the Reporting Person. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.direct: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by the Reporting Person and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-290489 · ownership.xml · nonDerivative · entry 2

LandBridge Holdings LLC · CIK 0002029175 · Director · 10% owner

Five Point Energy GP II LP · CIK 0002028446 · Director · 10% owner

Five Point Energy GP II LLC · CIK 0002028396 · Director · 10% owner

Five Point Energy GP III LP · CIK 0002028366 · Director · 10% owner

Five Point Energy GP III LLC · CIK 0002028367 · Director · 10% owner

Capobianco David N · CIK 0001298438 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,500,000

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 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by the Reporting Person on November 18, 2025, the Reporting Person (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F4 · ownership.direct: The Reporting Person is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of the Reporting Person and have the right to appoint a majority of the members of the board of managers of the Reporting Person. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.direct: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by the Reporting Person and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-290489 · ownership.xml · nonDerivative · entry 1

LandBridge Holdings LLC · CIK 0002029175 · Director · 10% owner

Five Point Energy GP II LP · CIK 0002028446 · Director · 10% owner

Five Point Energy GP II LLC · CIK 0002028396 · Director · 10% owner

Five Point Energy GP III LP · CIK 0002028366 · Director · 10% owner

Five Point Energy GP III LLC · CIK 0002028367 · Director · 10% owner

Capobianco David N · CIK 0001298438 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,593,505

F1 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by the Reporting Person on November 18, 2025, the Reporting Person (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 28,004 OpCo Units and 119,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) held by LandBridge Holdings on June 9, 2025 and September 8, 2025, respectively, in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended June 30, 2025 and September 30, 2025, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.direct: The Reporting Person is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of the Reporting Person and have the right to appoint a majority of the members of the board of managers of the Reporting Person. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.direct: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by the Reporting Person and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-291209 · ownership.xml · derivative · entry 4

Five Point Energy Fund II AIV-VII LP · CIK 0002028478 · Director · 10% owner

Five Point Energy Fund III AIV-VIII LP · CIK 0002028439 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 48,593,505

Underlying: Class A Shares · 2,500,000 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 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.exercise_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · derivative.expiration_date: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 28,004 OpCo Units and 119,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) held by LandBridge Holdings on June 9, 2025 and September 8, 2025, respectively, in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended June 30, 2025 and September 30, 2025, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.direct: LandBridge Holdings is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of LandBridge Holdings and have the right to appoint a majority of the members of the board of managers of LandBridge Holdings. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.direct: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

F4 · ownership.nature: LandBridge Holdings is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of LandBridge Holdings and have the right to appoint a majority of the members of the board of managers of LandBridge Holdings. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.nature: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-291209 · ownership.xml · nonDerivative · entry 3

Five Point Energy Fund II AIV-VII LP · CIK 0002028478 · Director · 10% owner

Five Point Energy Fund III AIV-VIII LP · CIK 0002028439 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F2 · kind: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F2 · price: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F4 · ownership.direct: LandBridge Holdings is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of LandBridge Holdings and have the right to appoint a majority of the members of the board of managers of LandBridge Holdings. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.direct: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

F4 · ownership.nature: LandBridge Holdings is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of LandBridge Holdings and have the right to appoint a majority of the members of the board of managers of LandBridge Holdings. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.nature: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-291209 · ownership.xml · nonDerivative · entry 2

Five Point Energy Fund II AIV-VII LP · CIK 0002028478 · Director · 10% owner

Five Point Energy Fund III AIV-VIII LP · CIK 0002028439 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,500,000

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 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F4 · ownership.direct: LandBridge Holdings is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of LandBridge Holdings and have the right to appoint a majority of the members of the board of managers of LandBridge Holdings. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.direct: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

F4 · ownership.nature: LandBridge Holdings is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of LandBridge Holdings and have the right to appoint a majority of the members of the board of managers of LandBridge Holdings. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.nature: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0001193125-25-291209 · ownership.xml · nonDerivative · entry 1

Five Point Energy Fund II AIV-VII LP · CIK 0002028478 · Director · 10% owner

Five Point Energy Fund III AIV-VIII LP · CIK 0002028439 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 48,593,505

F1 · security: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F1 · kind: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F2 · kind: In connection with an underwritten public offering by LandBridge Holdings LLC ("LandBridge Holdings") on November 18, 2025, LandBridge Holdings (i) redeemed 2,500,000 OpCo Units (together with the cancellation of 2,500,000 Class B Shares) for 2,500,000 Class A Shares and (ii) sold 2,500,000 Class A Shares at a price per share of $70.00. This amount represents the price to the underwriter. The underwriter may offer the Class A shares from time to time in one or more transactions on the NYSE, the NYSE Texas, in the over-the-counter market or through negotiated transactions at market prices or at negotiated prices.

F1 · price: Pursuant to the Amended and Restated Limited Liability Company Agreement of DBR Land Holdings LLC ("OpCo"), each unit representing membership interests in OpCo ("OpCo Units") (together with the delivery for no consideration of an equal number of Class B shares representing limited liability company interests ("Class B Shares") in LandBridge Company LLC (the "Issuer")) may be redeemed for an equal number of newly issued Class A shares representing limited liability company interests in the Issuer ("Class A Shares") or for cash, at the Issuer's election, subject to satisfaction of certain requirements. OpCo Units do not expire. Class B Shares do not represent economic interests in the Issuer.

F3 · balance_after: Reflects the cancellation of 28,004 OpCo Units and 119,987 OpCo Units (each, together with the cancellation of a corresponding number of Class B Shares) held by LandBridge Holdings on June 9, 2025 and September 8, 2025, respectively, in lieu of the payment of a tax distribution by OpCo to the Issuer in excess of the Issuer's current income tax obligation for the three months ended June 30, 2025 and September 30, 2025, respectively. The number of cancelled OpCo Units was determined based on the Class A Share price as of the tax distribution date.

F4 · ownership.direct: LandBridge Holdings is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of LandBridge Holdings and have the right to appoint a majority of the members of the board of managers of LandBridge Holdings. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.direct: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

F4 · ownership.nature: LandBridge Holdings is controlled by a board of managers consisting of five members. Five Point Energy Fund II AIV-VII LP, a Delaware limited partnership ("Fund II") and Five Point Energy Fund III AIV-VIII LP, a Delaware limited partnership ("Fund III"), collectively own 97.4% of the capital interests of LandBridge Holdings and have the right to appoint a majority of the members of the board of managers of LandBridge Holdings. Five Point Energy GP II LP, a Delaware limited partnership ("GP II LP") is the sole general partner of Fund II. Five Point Energy GP II LLC, a Delaware limited liability company ("GP II LLC") is the sole general partner GP II LP. Five Point Energy GP III LP, a Delaware limited partnership ("GP III LP") is the sole general partner of Fund III.

F5 · ownership.nature: (Continued from footnote 4) Five Point Energy GP III LLC, a Delaware limited liability company ("GP III LLC") is the sole general partner of GP III LP. Each of GP II LLC and GP III LLC is controlled by David N. Capobianco as each respective entity's sole member. As a result of the foregoing, Mr. Capobianco may exercise voting and dispositive power over the Class B Shares held by LandBridge Holdings and may be deemed to be the beneficial owner thereof. Mr. Capobianco disclaims beneficial ownership of OpCo Units and Class B Shares in excess of his pecuniary interest therein, if any.

SEC source: 0000950170-25-112091 · ownership.xml · nonDerivative · entry 1

Nicolas Andrea Liria · CIK 0002036682 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,248

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0000950170-25-112101 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,173

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0000950170-25-112096 · ownership.xml · nonDerivative · entry 1

Daul Ty P. · CIK 0001645449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,048

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0000950170-25-112093 · ownership.xml · nonDerivative · entry 1

WATSON CHARLES L. · CIK 0001914249 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,248

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0001193125-25-211913 · ownership.xml · nonDerivative · entry 1

Nicolas Andrea Liria · CIK 0002036682 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,554

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

F2 · shares: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

F2 · balance_after: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

SEC source: 0001193125-25-211917 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,479

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

F2 · shares: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

F2 · balance_after: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

SEC source: 0001193125-25-211899 · ownership.xml · nonDerivative · entry 1

Daul Ty P. · CIK 0001645449 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,368

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

F2 · shares: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

F2 · balance_after: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

F3 · balance_after: Includes 14.048 shared acquired through a dividend reinvestment plan.

SEC source: 0001193125-25-211912 · ownership.xml · nonDerivative · entry 1

WATSON CHARLES L. · CIK 0001914249 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,554

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

F2 · shares: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

F2 · balance_after: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

SEC source: 0000950170-25-093934 · ownership.xml · nonDerivative · entry 1

Long Jason Thomas · CIK 0002028425 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221,403

F1 · shares: In connection with the vesting and settlement of restricted share units ("RSUs") through the issuance of Class A shares of LandBridge Company LLC (the "Issuer") pursuant to the LandBridge Company LLC Long-Term Incentive Plan, the Issuer withheld Class A shares that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations.

SEC source: 0000950170-25-093929 · ownership.xml · nonDerivative · entry 1

Williams Jason Frederick · CIK 0002028553 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,633

F1 · shares: In connection with the vesting and settlement of restricted share units ("RSUs") through the issuance of Class A shares of LandBridge Company LLC (the "Issuer") pursuant to the LandBridge Company LLC Long-Term Incentive Plan, the Issuer withheld Class A shares that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations.

SEC source: 0000950170-25-093923 · ownership.xml · nonDerivative · entry 1

McNeely Scott Lloyd · CIK 0002028434 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,727

F1 · shares: In connection with the vesting and settlement of restricted share units ("RSUs") through the issuance of Class A shares of LandBridge Company LLC (the "Issuer") pursuant to the LandBridge Company LLC Long-Term Incentive Plan, the Issuer withheld Class A shares that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations.

SEC source: 0000950170-25-093926 · ownership.xml · nonDerivative · entry 1

Bolling Harrison Fenner · CIK 0002028379 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,024

F1 · shares: In connection with the vesting and settlement of restricted share units ("RSUs") through the issuance of Class A shares of LandBridge Company LLC (the "Issuer") pursuant to the LandBridge Company LLC Long-Term Incentive Plan, the Issuer withheld Class A shares that would otherwise have been issued to the Reporting Person to satisfy their tax withholding obligations.