GDS International, LLC (“GDS”)

GDS is an independent provider of tailored, “one-stop-shop” aftermarket solutions for both third-party and GDS manufactured top drives, providing a comprehensive range of top drive repair, recertification and overhaul services. Through its API Q1 and 8C operations in Houston and Odessa (USA), Dubai (UAE), and Tyumen (Russia), GDS repairs and recertifies top drives, and also stocks and distributes spare parts for most OEM top drive manufacturers. GDS also offers its own patented “GDM” top drives, which are in use on drilling rigs worldwide. GDS manufactured top drives, as well as other OEM top drives upgraded by GDS, are available with the company’s proprietary friction reduction software and Z Torque technology, which increase drilling efficiency and decrease drilling costs.

Premium Oilfield Technologies (“Premium”)

Premium designs, manufactures, sells and rents high-performance drilling equipment and spare parts, mostly focused around mud pump fluid-end expendables, mud valves, centrifugal pumps, shaker screens, Patriot pistons and top drive expendables. Premium also manufactures and sells the Sur-Lock suite of patented quick-change mud pump “add-on” components, which drastically reduce the time it takes to change pistons, valves, seats and liners in a mud pump. Premium’s Cutter Drilling Systems division rents its proprietary rotating control devices (RCDs), MPD chokes, flow- control valves, software and control automation to operators primarily in the US shale regions. Premium has operations and inventory warehouses in 12 locations in all of the major US shale areas, and additionally has operations/inventory in Dubai, Saudi Arabia, Kuwait, Oman, India and Mexico.

Quantum Energy Partners (“Quantum”)

Founded in 1998, Quantum Energy Partners is a leading provider of private equity capital to the global energy industry, having managed together with its affiliates more than $17 billion in equity commitments since inception.

PPHB, LP (“PPHB”)

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