Lisa Ciulka

Pengrowth Energy Trust's principal activity is to provide directly and indirectly explore for, develop and hold interests in petroleum and natural gas properties, through investments. The company directly and indirectly acquires, owns and manages working interests and royalty interests in oil and natural gas properties. Its activities are financed by issuance of royalty units and interest bearing notes to the Trust and third party debt.

Trinidad Drilling Ltd. engages in the provision of contract drilling and related services. It operates through the following segments: United States and International Operations; Canadian Operations; Joint Venture Operations; and Corporate segments. The United States and International Operations segment includes technology operations. The Canadian Operations segment involves land drilling services. The Joint Venture Operations segment consists of US and international joint venture operations. The Corporate segment relates to all non-operating activities and acts as a support function to the other segments. The company was founded by Michael E. Heier on February 23, 1996 and is headquartered in Calgary, Canada.