LandBridge Co LLC

The following are abbreviations and definitions of certain terms used in this document, many of which are commonly used in the industry:

1918 Acquisition. The acquisition of approximately 37,500 total acres across Reeves, Loving, Winkler and Ward counties, Texas, and certain related assets from 1918 Ranch & Royalty, LLC.

Bbl. One barrel of volume used for measuring oil.

Boe. A barrel of oil equivalent, which is used to express crude oil, NGL and natural gas volumes on a comparable crude oil equivalent basis. Gas equivalents are determined under the relative energy content method by using the ratio of 6.0 Mcf of natural gas to 1.0 Bbl of crude oil or NGL.

Brackish water. Water with salinity levels between seawater and freshwater.

Completion. The process of preparing a well for the production of oil and gas by injecting high-pressure fluids mixed with proppants to create fractures in reservoir rock to enhance permeability.

Crude oil. A mixture of hydrocarbons that exists in liquid phase in natural underground reservoirs and remains liquid at atmospheric pressure after passing through surface separating facilities.

Delaware Basin. A geological depositional and structural basin in West Texas and southern New Mexico, which is a part of the Permian Basin.

Division. The plan of division dividing NDB LLC into two Delaware limited liability companies, NDB LLC and LandBridge Holdings, pursuant to which the holders of NDB Incentive Units were issued an identical number of equity interests in LandBridge Holdings, including Incentive Units at LandBridge Holdings.

E&P companies. Oil and natural gas exploration and production companies, including producers and/or operators.

Five Point. Five Point Infrastructure LLC, a Delaware limited liability company and our legacy financial sponsor.

GAAP. Accounting principles generally accepted in the United States of America.

Incentive Units. Management incentive units consisting of time-based awards of profits interests in LandBridge Holdings.

LandBridge. LandBridge Company LLC, a Delaware limited liability company.

LandBridge Holdings. LandBridge Holdings LLC, a Delaware limited liability company and portfolio company of funds affiliated with Five Point that owns 100% of our Class B shares.

MBbls. One thousand barrels.

MBbl/d. One thousand barrels per day.

Mboe. One thousand BOE.

Mboe/d. One thousand BOE per day.

Mcf. One thousand cubic feet of natural gas.

Mineral interest. Real-property interests that grant ownership of oil and natural gas under a tract of land and the rights to explore for, develop, and produce oil and natural gas on that land or to lease those exploration and development rights to a third party.

MMcf. One million cubic feet of natural gas.

NDB Incentive Units. Incentive units consisting of time-based awards of profits interests in NDB LLC granted to certain individuals prior to the Division.

NDB LLC. WaterBridge NDB LLC, a Delaware limited liability company and portfolio company of funds affiliated with Five Point.

NGL. Natural gas liquid.

OpCo. DBR Land Holdings LLC, a Delaware limited liability company.

Operator. The individual or company responsible for the development and/or production of an oil or natural gas well.

Permian Basin. A large sedimentary basin located in West Texas and southeastern New Mexico with significant historical and current oil and gas exploration and production activity.

Produced water. Water produced from an oil and natural gas well alongside crude oil and natural gas.

Produced water handling facilities. Facilities utilized for the treatment, handling and disposal of produced water.

Rod. A rod is a unit of measure of 16.5 feet that is measured in linear feet.

Royalty. A real property interest that entitles the owner the right to receive a portion of the production (or the proceeds therefrom) produced from the underlying real property or a payment for the use of such underlying real property, and does not require the owner to pay any portion of the production or development costs.

WaterBridge. WaterBridge Infrastructure LLC, a Delaware limited liability company (NYSE: WBI), and its subsidiaries.

WTI. West Texas Intermediate, a grade of crude oil commonly used in reference to pricing for crude oil.