Superior Energy Services, LLC (“Superior”) The Plunger Lift and Gas Lift Division

Superior serves the drilling, completion and production-related needs of oil and gas companies worldwide through a diversified portfolio of specialized oilfield services and equipment that are used throughout the economic life cycle of oil and gas wells. The Plunger Lift and Gas Lift Division offers design, installation, service and repair of plunger lift systems and components, gas lift systems, packers, and specialty downhole tools to upstream oil and gas customers throughout the United States.

Endurance Lift Solutions, LLC (“Endurance”)

Endurance was formed in 2014 to pursue leading edge technology and innovation in the artificial lift sector in the United States onshore market. Endurance provides reciprocating rod lift, plunger lift, electric submersible pumps, gas lift, capillary services, artificial lift analytics, and application design services to the oil and gas industry. Endurance is owned by funds managed by private equity firms Crestview Partners and B-29 Investments, LP.

PPHB, LP (“PPHB”)

PPHB is an independent investment banking firm providing financial advisory services exclusively to clients in the oilfield equipment and service industry.