David Tuer

The Group's principal activity is to explore, develop and hold interests in petroleum and natural gas properties, through investments in securities of subsidiaries and royalty interests in oil and natural gas properties.

Marble Point Energy Ltd. explores for oil and gas. The company is headquartered in Calgary, AB

Value Creation Inc. (VCI) is a private Alberta company established in 1998. VCI is part of the Value Creation Group of Companies (the 'Group'), which is focused on transforming the oil sands industry by applying its breakthrough proprietary technology to resource development and to bitumen upgrading. The Group's vision is to be a pre-eminent oil sands developer, differentiating itself with innovative technologies and creative applications to create enhanced value in the full oil sands development value chain.

Calgary Health Region provides health programs, healthcare support services, doctor search services, and support programs. The private company is based in Calgary, Canada. and has subsidiaries in Canada.

Xtreme Drilling Corp. engages in the provision of onshore drilling services in United States. Its activities include design, building, owning, and operation of a fleet of proprietary, high specification drilling rigs. The company was founded by Thomas D. Wood, Randolph M. Charron, and Kyle W. Swingle on May 24, 2005 and is headquartered in Calgary, Canada.

Daylight Energy Ltd. is engaged in oil and natural gas exploitation, development, acquisition and production in Canada. The company has a balanced mix of crude oil, liquids-rich natural gas and resource play natural gas and has the flexibility to focus its capital investments on the commodity that provides the best economics. The company was founded on May 7, 2010 and is headquartered in Canada.

Part of Berkshire Hathaway, Inc., AltaLink Management Ltd. is a Canadian company that reliably and efficiently accommodates the demanding power needs of its customers through innovative transmission system projects. Based in Calgary, Canada, AltaLink is the largest regulated electricity transmission company in Canada, providing innovative technical and financial solutions for the electricity market. The private company connects homes, farms, businesses, and industries to electricity generated from thermal energy, wind power, and hydro.

Pace Oil & Gas Ltd. operated as an oil and gas exploration and production company. The company was founded on September 10, 2004 and was headquartered in Calgary, Canada.

Teine Energy Ltd. explores and develops oil and gas assets. It develops conventional oil and natural gas properties in the Western Canadian Sedimentary Basin. The company was founded in 2005 and is headquartered in Calgary, Canada.

Altalink Management LLP operates as a Canadian electricity transmission company. The private company is based in Calgary, Canada.

Optiom, Inc. operates as a specialty insurance managing general underwriter (MGU). It also offers vehicle replacement coverage. The company was founded in 2015 and is headquartered in Calgary, Canada.