EagleRock Land, LLC

Bbl. One barrel of volume used for measuring oil.

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

Caliche. A crust of coarse sediment or weathered soil in calcium carbonate. It forms when lime-rich groundwater rises to the surface by capillary action and evaporates into a crumbly-like powder, forming a tough, indurated sheet called calcrete.

Completion. Installation of permanent equipment for production of natural gas, NGLs or oil or, in the case of a dry well, to reporting to the appropriate authority that the well has been abandoned.

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

E&P. Exploration and production.

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

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

Henry Hub. A natural gas pipeline located in Erath, Louisiana that serves as the official delivery location for futures contracts on the New York Mercantile Exchange. The settlement prices at the Henry Hub are used as benchmarks for the entire North American natural gas market.

MBbls. One thousand barrels of crude oil, condensate, NGLs or water.

MBbls/d. One MBbl per day.

MMBbls. One million barrels of crude oil, condensate, NGLs or water.

MMBtu. One million British thermal units.

Midland Basin. A geological depositional and structural basin in West Texas, which is a part of the Permian Basin.

NGL. Natural gas liquid.

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.

Produced Water. Water that comes out of an oil and natural gas well with the crude oil during crude oil production.

Produced Water Handling Facilities. Facilities employed for the treatment, handling and disposal of salt water produced with oil and natural gas into an underground formation.

Royalty. An interest in an oil and natural gas lease that gives the owner the right to receive a portion of the production from the leased acreage (or of the proceeds from the sale thereof), but does not require the owner to pay any portion of the production or development costs on the leased acreage. Royalties may be either landowner’s royalties, which are reserved by the owner of the leased acreage at the time the lease is granted, or overriding royalties, which are usually reserved by an owner of the leasehold in connection with a transfer to a subsequent owner.

WTI. West Texas Intermediate.