Post Oak Energy Capital

Layne Water Midstream (“LWM”) is a full cycle water midstream business providing upstream oil and gas companies with water sourcing, disposal and recycling infrastructure and services in the Delaware and Midland Basins. Anchored by exclusive long-term contracts with key customers, landowners, the State of Texas General Land Office and the State of Texas University Lands organization, LWM operates significant source water, water transportation and produced water management infrastructure and is committed to further growth to support its upstream customers in the Delaware and Midland Basins.

Prime Downhole Manufacturing is an engineering company that provides machining, fabrication, and services to the oil, gas, and aerospace industries. The company offers machine maintenance and calibration programs with in-house or field repair services. Prime Downhole Manufacturing was established in 2015 and is headquartered in Houston, TX.

Saxet III Minerals is a privately held oil and gas company based in Houston, Texas, specializing in the acquisition and management of mineral and royalty interests across the United States. The company actively seeks opportunities to acquire both working interests and mineral interests, leveraging the expertise of industry veterans to generate exploration projects in various basins. Saxet's operations encompass investments not only in oil and gas but also in related sectors, including metals and minerals. Through its strategic approach, Saxet aims to enhance its portfolio and drive growth in the energy market.

Layne Water Midstream (“LWM”) is a full cycle water midstream business providing upstream oil and gas companies with water sourcing, disposal and recycling infrastructure and services in the Delaware and Midland Basins. Anchored by exclusive long-term contracts with key customers, landowners, the State of Texas General Land Office and the State of Texas University Lands organization, LWM operates significant source water, water transportation and produced water management infrastructure and is committed to further growth to support its upstream customers in the Delaware and Midland Basins.

Sierra Resources is a private oil and gas exploration and production company. It has extensive experience operating in many onshore basins, but most recently the company has focused on acquiring and developing unconventional assets.

For over 70 years, Nadel and Gussman has focused on family, ethical transactions, and modern oil innovations. We are a fourth generation family-owned, independent oil and gas production and exploration company headquartered in Tulsa, Oklahoma. Isadore Nadel came to Oklahoma in 1919 to open a grocery store and join his extended family. He began investing in shallow oil in the 1920s and 1930s. In 1935, Herb Gussman, Nadel’s son-in-law, joined the company. Gussman would later go on to lead one of the largest oil producing companies in both Osage, Oklahoma and Kansas and make significant contributions to the modern oil industry and community in Tulsa, Oklahoma. Stephen Heyman and Jim Adelson joined the leadership team in 1965 and 1986, respectively, and still guide Nadel and Gussman today. Under their leadership, Nadel and Gussman grew aggressively into other basins in the United States.

Moriah Henry Partners LLC is a Midland-based exploration and production company focused on the acquisition and development of oil and gas properties in the Midland Basin of West Texas. The Company is a collaboration among Post Oak Energy Capital, Henry Energy, LP and Moriah Energy Investments, LLC.

Mavros Minerals is an oil and gas company focused on mineral energy assets. The company's focus lies in the acquisition of mineral and royalty interests and acting as local operators to source, analyze and execute on acquisition opportunities.

Tri-C Resources is an exploration and production company focused on the acquisition and development of oil and gas assets. It also specializes in the drilling, completion, and production of oil and gas wells. Tri-C Resources was founded in 1985 and is based in Houston, Texas.

Oryx Midstream Services, LLC is a midstream company based in Midland, Texas, that specializes in the development, acquisition, ownership, and operation of midstream assets in the Permian Basin. Established in 2013, the company provides a range of services, including crude oil gathering, handling, and transportation, as well as natural gas gathering, compression, treating, and processing. Oryx also facilitates the transportation of natural gas liquids. The company aims to be a strategic partner for oil and gas producers in the United States, offering tailored solutions to meet their business needs. By connecting its gathering and transportation systems to key market hubs, Oryx delivers efficient and cost-effective services, enhancing its clients' access to domestic refineries and the U.S. export market. With a team of experienced professionals, Oryx Midstream Services is dedicated to supporting the energy industry in the region.

Mavros Minerals is an oil and gas company focused on mineral energy assets. The company's focus lies in the acquisition of mineral and royalty interests and acting as local operators to source, analyze and execute on acquisition opportunities.

Crown Oil Partners is an oil and gas company acquiring and managing various types of oil and natural gas properties. The company was founded in 2016 and is headquartered in Midland, TX.

Moriah Henry Partners LLC is a Midland-based exploration and production company focused on the acquisition and development of oil and gas properties in the Midland Basin of West Texas. The Company is a collaboration among Post Oak Energy Capital, Henry Energy, LP and Moriah Energy Investments, LLC.

UpCurve is focused on mature unconventional plays, such as the Eagle Ford, where it has extensive development experience, and the Haynesville, Bakken, and Marcellus, among others. UpCurve will pursue acquisitions of producing wells and acreage by means of cash-purchase as well as drill and recompletion farm-in’s.

Rimrock Resource Operating is an oil and energy company focused on the development, acquisition, and exploration of the oil and gas industry. The company provides services including oil transportation, well site management, water transportation, crude oil marketing, contract pumping, service and repair, roustabout, and other small services. Rimrock Resource Operating was formed in 2015 in Tulsa, OK.

PetroEdge Energy is an oil and gas company engaged in the acquisition of natural gas and crude oil properties. The Company's focus is an aggressive acquisition and development program and is developing an inventory of opportunities in the Cretaceous Shelf Margin.

Double Eagle Energy Holdings (together with its affiliates and subsidiaries, “Double Eagle,”) principal business is crude oil and natural gas exploration, development and production through horizontal and vertical operations in the Midland Basin of West Texas. The company also focuses on acquiring oil and gas leases, working interest, mineral rights, and royalty interests throughout the Permian Basin. Double Eagle is one of the largest, if not the largest, organic acquirers of acreage in the Permian Basin in West Texas, and has historically been active across the United States in South Texas (Eagle Ford), the Mid-Continent (Mississippian, SCOOP, Penn Shales) and the Rockies (DJ Basin, Powder River Basin). Since forming Double Eagle in 2008, the Company has executed on over 10,000 individual lease transactions, totaling more than 1 million acres and more than $4.5 billion in transaction value. The company is headquartered in Fort Worth, Texas, with an additional office in Midland, Texas.

Oryx Midstream Services, LLC is a midstream company based in Midland, Texas, that specializes in the development, acquisition, ownership, and operation of midstream assets in the Permian Basin. Established in 2013, the company provides a range of services, including crude oil gathering, handling, and transportation, as well as natural gas gathering, compression, treating, and processing. Oryx also facilitates the transportation of natural gas liquids. The company aims to be a strategic partner for oil and gas producers in the United States, offering tailored solutions to meet their business needs. By connecting its gathering and transportation systems to key market hubs, Oryx delivers efficient and cost-effective services, enhancing its clients' access to domestic refineries and the U.S. export market. With a team of experienced professionals, Oryx Midstream Services is dedicated to supporting the energy industry in the region.

Crown Oil Partners is an oil and gas company acquiring and managing various types of oil and natural gas properties. The company was founded in 2016 and is headquartered in Midland, TX.

CPX Piceance is a natural resource development company focused on the operations of oil and gas assets. The company maintains a significant portfolio of non-operated oil & gas interests in the DJ and Powder River Basins. CPX Piceance was founded in 2014 and is based in Houston, Texas.

PetroEdge Energy is an oil and gas company engaged in the acquisition of natural gas and crude oil properties. The Company's focus is an aggressive acquisition and development program and is developing an inventory of opportunities in the Cretaceous Shelf Margin.

Maverick Brothers Energy produces and explores oil and natural gas properties. The company focused on the horizontal development of oil and natural gas properties located in western Oklahoma. Maverick Brothers will use proceeds from the investment to accelerate the development of its existing leasehold and to acquire additional oil and gas assets. It was founded in 1998 and is based in Enid, OK.

Refinery Specialties is an oilfield service company that formulates, manufactures, and provides technical service for the use of process and production treating chemicals for the oilfield, industrial, and water industries, including production, pipeline, refinery, and gas plants. The company strives to provide cost-effective treating programs with comprehensive monthly monitoring and reporting to identify problem areas, ensure correct chemical dosage and justify the cost of the chemical program.

CPR is an exploration and production company that focuses on the drilling and development of oil-prone shale plays. It also focuses on the development of shale oil resources via joint ventures, farm-ins, and organic leasing opportunities with existing acreage owners and operators.

Core Appalachia is a privately held, independent producer and processor of natural gas in the Devonian region in Kentucky, Virginia and West Virginia. Headquartered in Charleston, West Virginia, Core’s 5,600 conventional wells are strategically positioned throughout 1.2 million acres of the southwestern Appalachian Basin to meet the growing regional demand for natural gas.

Refinery Specialties is an oilfield service company that formulates, manufactures, and provides technical service for the use of process and production treating chemicals for the oilfield, industrial, and water industries, including production, pipeline, refinery, and gas plants. The company strives to provide cost-effective treating programs with comprehensive monthly monitoring and reporting to identify problem areas, ensure correct chemical dosage and justify the cost of the chemical program.

Bayou Well Services provides pressure pumping, fluid logistics and rental tools.

Crown Oil Partners is an oil and gas company acquiring and managing various types of oil and natural gas properties. The company was founded in 2016 and is headquartered in Midland, TX.

Richland-Stryker Generation is a power generation company that operates gas and oil-fired peaking power generation facilities. These facilities serve PJM, a regional transmission organization which coordinates the movement of electricity in all or parts of 13 Northeast and Midwestern states and the District of Columbia.

Black Oak Resources is an exploration and production company focused on oil and natural gas properties. The company pursued upstream acquisition and development opportunities in the Permain Basin and Mid-Continent areas. Black Oak Resources was formed in 2008 in Austin, TX.

Chaparral Energy LLC is a company that specializes in oil and gas manufacturer.

EV Energy Partners is an oil and gas company that deals in the mining and drilling of oil & gas.

Breitburn Energy Partners is an oil and gas company that explores and develops oil and gas producing properties. The company's current assets consist primarily of producing and non producing crude oil reserves located in the Los Angeles Basin in California, the Wind River and Big Horn Basins in central Wyoming, the Sunniland Trend in Florida, the Permian Basin in West Texas and Michigan. Breitburn’s goal is to provide unitholders with stable and growing cash distributions.

RAM Energy Resources is an oil and gas company dedicated to the development and acquisition of oil and natural gas properties. Established in 1987, the company operates primarily in Texas, Louisiana, and Oklahoma, where it manages existing oil and gas assets while pursuing new acquisition opportunities. RAM Energy Resources is involved in both the exploration and development of conventional and non-conventional oil and gas assets, as well as the drilling of oil and natural gas wells.

Atlas Energy is a limited liability company that focuses on the development and production of natural gas and, to a lesser extent, oil principally in the Appalachian Basin. They sponsor and manage tax-advantaged investment partnerships, in which they invest, to finance the exploitation and development of their acreage.

LINN Energy’s mission is to acquire, develop and maximize cash flow from a growing portfolio of long-life oil and natural gas assets. Thanks to the steadfast commitment of their employees, LINN Energy has grown from a handful of natural gas wells in 2003 to a top-15 independent U.S. E&P Company with approximately 6.4 Tcfe of proved reserves in producing U.S. basins as of December 31, 2013.

Balcones Energy is a development company designed to invest in the oilfield service and equipment sector with a particular focus on compression and artificial lift. The company's initial investment was in Precision Compression Services, which develops and produces compressor packages geared towards later life, low pressure, and/or low volume wells with an objective of lowering costs and improving well performance.