Post Oak Energy Capital

Layne Water Midstream Holdings, LLC specializes in water collection and recycling services tailored for upstream oil and gas companies. Based in The Woodlands, Texas, the company provides a comprehensive range of water solutions, including produced water gathering and disposal, source water delivery, produced water redelivery, as well as water treatment and recycling services. Operating primarily in the Delaware and Midland basins, Layne Water Midstream has established significant infrastructure for water sourcing, transportation, and produced water management. The company benefits from exclusive long-term contracts with key customers, landowners, and state organizations, positioning it for ongoing growth to meet the needs of its upstream clients. Founded in 2016, Layne Water Midstream is dedicated to supporting the evolving demands of the oil and gas sector in water management.

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 is a privately held oil and gas company based in Houston, Texas, focused on the acquisition of mineral and royalty interests across the United States. The company operates through Saxet III Minerals, which manages an oil and gas fund that also invests in the metals and mining sectors. By targeting strategic acquisitions, Saxet aims to enhance its portfolio and capitalize on opportunities within the energy market.

Layne Water Midstream Holdings, LLC specializes in water collection and recycling services tailored for upstream oil and gas companies. Based in The Woodlands, Texas, the company provides a comprehensive range of water solutions, including produced water gathering and disposal, source water delivery, produced water redelivery, as well as water treatment and recycling services. Operating primarily in the Delaware and Midland basins, Layne Water Midstream has established significant infrastructure for water sourcing, transportation, and produced water management. The company benefits from exclusive long-term contracts with key customers, landowners, and state organizations, positioning it for ongoing growth to meet the needs of its upstream clients. Founded in 2016, Layne Water Midstream is dedicated to supporting the evolving demands of the oil and gas sector in water management.

Sierra Resources is a private oil and gas exploration and production company based in Houston, Texas. With extensive experience in various onshore basins, the company specializes in acquiring and developing unconventional assets. Recently, Sierra Resources has concentrated its efforts on the Eagle Ford Shale, focusing on the acquisition and development of oil and gas reserves in this region.

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.

Oryx Midstream Services, LLC is a midstream company established in 2013 and headquartered in Midland, Texas. It specializes in developing, acquiring, owning, and operating midstream assets primarily in the Permian Basin region. The company provides a comprehensive range of midstream services, including natural gas gathering, compression, treating, processing, as well as crude oil gathering, handling, and transportation. Additionally, Oryx offers transportation services for natural gas liquids. By focusing on the needs of oil and gas producers in the United States, Oryx Midstream Services aims to be a strategic partner, delivering tailored solutions to enhance operational efficiency. The company is backed by a team with over 145 years of combined experience in the energy sector.

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 Inc., an oil and gas exploration company, engages in the exploration, development, and acquisition of domestic and foreign energy properties. It offers its exploration services in the tertiary of the Texas Gulf Coast. The company was founded in 1985 and is based in Houston, Texas.

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 Energy LLC, an oil and gas company, focuses on the exploitation of mature unconventional plays. It focuses on acquiring acreage and existing wells and optimizing production through a combination of recompletions, new development, and infill development. The company was founded in 2015 and is headquartered in Houston, Texas.

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 III, LLC, an independent energy company, engages in the acquisition, exploration, and exploitation of unconventional natural gas and crude oil properties. Its activities are focused on the lower Eagleford in Brazos and Burleson Counties, Texas. The company is also developing an inventory of opportunities in the Cretaceous Shelf Margin. PetroEdge Energy III, LLC was incorporated in 2004 and is based in Houston, Texas.

Double Eagle Energy Holdings III LLC through its subsidiaries, engages in the exploration, development, and production of crude oil and natural gas through horizontal and vertical operation in midland basin of West Texas. It also provides oil and gas leasing; and mineral, working, and royalty interest. The company was founded in 2008 and is based in Fort Worth, Texas with additional office in Midland, Texas.

Oryx Midstream Services, LLC is a midstream company established in 2013 and headquartered in Midland, Texas. It specializes in developing, acquiring, owning, and operating midstream assets primarily in the Permian Basin region. The company provides a comprehensive range of midstream services, including natural gas gathering, compression, treating, processing, as well as crude oil gathering, handling, and transportation. Additionally, Oryx offers transportation services for natural gas liquids. By focusing on the needs of oil and gas producers in the United States, Oryx Midstream Services aims to be a strategic partner, delivering tailored solutions to enhance operational efficiency. The company is backed by a team with over 145 years of combined experience in the energy sector.

CPX Piceance is a natural resource development company established in 2014 and headquartered in Houston, Texas. The company is primarily engaged in the exploration and operation of oil and gas assets, with a notable presence in the Piceance Basin, Denver-Julesburg Basin, and East Texas. CPX Piceance has a substantial portfolio of non-operated oil and gas interests, particularly in the DJ and Powder River Basins. The company focuses on enhancing the value of its energy assets through strategic drilling initiatives and acquiring additional acreage at favorable prices, thereby contributing to the advancement of natural resource development within the energy sector.

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.

PetroEdge Energy III, LLC, an independent energy company, engages in the acquisition, exploration, and exploitation of unconventional natural gas and crude oil properties. Its activities are focused on the lower Eagleford in Brazos and Burleson Counties, Texas. The company is also developing an inventory of opportunities in the Cretaceous Shelf Margin. PetroEdge Energy III, LLC was incorporated in 2004 and is based in Houston, Texas.

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.

Cornerstone Petroleum Resources, LLC is an exploration and production company based in Fort Worth, Texas, specializing in the drilling and development of oil-prone shale plays. The company actively engages in the development of shale oil resources through various approaches, including joint ventures, farm-ins, and organic leasing opportunities with existing acreage owners and operators. This focus allows Cornerstone to leverage expertise in horizontal drilling and hydraulic fracturing techniques, positioning itself to serve major oil companies effectively.

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.

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, Inc. engages in the acquisition, exploration, development, production, and operation of oil and natural gas properties primarily in Oklahoma, the United States. The company sells crude oil, natural gas, and natural gas liquids primarily to refineries and gas processing plant. Its 210,000 net surface acres are located in the Mid-Continent region, approximately 122,000 net acres are located in the STACK play primarily in Canadian, Kingfisher, and Garfield counties. As of December 31, 2019, the company’s estimated proved oil and natural gas reserves were 96.6 million barrels of crude oil equivalent; and had an interest in 2,782 gross producing wells, including 866 gross company operated wells. Chaparral Energy, Inc. was founded in 1988 and is headquartered in Oklahoma City, Oklahoma.

RAM Energy Resources is an oil and gas company focused on the development and acquisition of oil and natural gas properties. The company focused its efforts in Texas, Louisiana, and Oklahoma where it managed and developed oil and gas properties while seeking acquisition opportunities, since 1987.

National Specialty Alloys a specialty alloy processor and distributor of premium stainless steel and nickel alloy bars and shapes.

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.

Atlas Energy Group, LLC is engaged in the development and production of natural gas, crude oil, and natural gas liquids across various regions in the United States. The company has significant interests in the Eagle Ford Shale in southern Texas, the Marble Falls play in the Fort Worth Basin, and the Mississippi Lime play in northwestern Oklahoma. Additionally, Atlas Energy focuses on the Appalachian Basin for its natural gas production. It sponsors and manages tax-advantaged investment partnerships to finance the exploration and development of its properties. Founded in 2011 and headquartered in Fort Worth, Texas, Atlas Energy aims to leverage its assets and partnerships to enhance its operational capabilities in the energy sector.

SandRidge Energy focuses on drilling low-risk, conventional, high rate-of-return oil wells in shallow carbonate reservoirs. Based in Oklahoma City, SandRidge Energy is the primary developer of the Mississippian Oil Play, with valuable assets in the Permian Basin. Their focus extends beyond energy production and into their communities, where they dedicate their time, talents and resources to the places they call home. ###SandRidge Energy files for bankruptcy protection on May 22, 2016###

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.