C&J Energy Services, Ltd. (“C&J”)

C&J Energy Services is a leading provider of well construction, well completions, well support and other complementary oilfield services to oil and gas exploration and production companies. C&J offers a comprehensive, vertically integrated suite of services involved in the entire life cycle of the well, including directional drilling, cementing, hydraulic fracturing, cased-hole wireline, coiled tubing, rig services, fluids management services and other special well site services.

During the drilling phase of a well, this technology is used to collect and create high-quality logs of the oil or gas formation. Logging resistivity while drilling allows E&P operators to collect valuable formation information without a separate open hole wireline logging trip.

National Oilwell Varco, Inc. (NYSE:NOV) (“NOV”)

National Oilwell Varco is a worldwide leader in the design, manufacture and sale of equipment and components used in oil and gas drilling and production operations, and the provision of oilfield services to the upstream oil and gas industry.

PPHB, LP (“PPHB”)

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