Frederick J. Dyment

Western Oil Sands Inc. designs, constructs and operates the principal facilities needed to mine, extract, transport, and upgrade the recoverable bitumen reserves found in certain oil sands deposits in northeastern Alberta

Tesco Corp. engaged in the provision of technology-based solutions for drilling, servicing, and completion of wells for the upstream energy industry. The company was founded on December 01, 1993 and was headquartered in Houston, TX.

ARC Energy Trust invests in all types of energy business-related assets, including petroleum and natural gas-related assets, gathering, processing and transportation assets. The operations of the Trust include acquisition, development, exploitation and disposition of these assets and the distribution of the net cash proceeds from these activities. ARC Energy Trust is an actively managed royalty trust formed to provide investors with indirect ownership in cash generating energy assets, which currently consist of oil and gas assets but in the future may include other related energy assets. ARC Energy Trust was founded on May 7, 1996 and is headquartered in Calgary, Canada.

TransGlobe Energy Corp. engages in exploration, development, production, and acquisition of properties. Its activities include the operation of Harmattan; West Gharib, West Bakr, and North West Gharib in Egypt-Eastern Desert; and South Alamein, South Ghazalat, and North West Sitra in Egypt-Western Desert; and oil marketing. The company was founded on August 6, 1968 and is headquartered in Calgary, Canada.

WesternZagros Resources ULC operated as an international oil and gas company. The firm focused on acquiring, exploring and developing crude oil and natural gas in the Kurdistan Region of Iraq. The company was founded by M. Simon Hatfield on August 22, 2007 and was headquartered in Calgary, Canada.

Ranger Oil Ltd. explores oil and gas properties. The company is located in Calgary, Canada.

Part of Pembina Pipeline Corp., Maxx Petroleum Ltd. is a Canadian company that explores for, produces, and develops oil and gas properties. The company is based in Calgary, Canada. Maxx Petroleum was acquired by Provident Energy Trust on June 05, 2001 for $75.63 million.