Neil MacKenzie

BlackStone Ltd. engages in the development of drilling and completion fluids and systems. The firm serves for cardium horizontals, turner valley foothills, bakken shale, nikanassin vertical and horizontals, and horn river horizontals. The company was founded in 2007 and is headquartered in Calgary, Canada.

Canyon Technical Services Ltd. provides technical services for oil and gas producers. The private company is based in Calgary, Canada.

Blackstone Drilling Fluids Ltd. engages in the drilling of oil and gas wells. The private company is based in Calgary, Canada.

Quadra Mining Ltd. is a copper and base metal producing company. It explores, develops and produces copper and other base metals. Its mining properties are located in Canada and the United States. It was founded in 2002 and is headquartered in Vancouver, Canada.

Newpark Drilling Fluids Canada, Inc. provides drilling fluid products and technical services. it offers emulsifiers, lubricants, shale inhibitors, conditioners and thinners, defoamers, coiled tubing, fluid loss control additives, corrosion inhibitors, lost circulation materials, viscosifiers and rheology modifiers, spotting fluids, and mining fluids products. The company is headquartered in Calgary, Canada.

Essential Energy Services Trust provides oilfield services to oil and gas producers in western Canada related to the ongoing servicing of producing wells and new drilling activity. Services are provided through its Well Servicing and Wireline & Rentals divisions. These services provided, includes service rigs, coil tubing, rod rigs, swab rigs, vacuum truck, pressure truck, tank truck, hydro-vac, steaming and hot oiling along with other related services. The Well Servicing division provides well completion and production / workover services across western Canada. This division has 51 service rigs, ranking it as the sixth largest service rig operator in Canada, and 23 rod rigs, which are generally light, hydraulic service rigs. Essential also has 29 coil tubing rigs, including 1 deep coil tubing rig, 10 intermediate rigs and 18 shallow rigs. The coil tubing fleet is supported by 7 nitrogen pumpers. The Wireline & Rentals division provides a variety of services to assist with the drilling, completion and production phases of oil and natural gas wells. Through this division Essential offers electric wireline (e-line) and slickline services; sells and services a full range of downhole tools and offers rental equipment. Essential has recently initiated a new multi-stage fracturing service that allows customers to isolate and fracture multiples zones within a single tool run. This is intended to service customers targeting resource plays in Saskatchewan and British Columbia. Within the current economic climate the Trust is well-positioned with a strong balance sheet. Management has been proactive in managing costs in an effort to preserve operating margins and remain competitive.