Dominion Announces Start-up of Pembina Battery

February 21, 2006

CALGARY, AB – Dominion Exploration Canada today announced start-up of its new oil battery in the Pembina area of Alberta, west of Edmonton. The $35 million expansion is designed to process 850,000 cubic metres (30 million cubic feet) of natural gas and 3,000 cubic metres (18,900 barrels) of oil per day.

The facility also is licensed for 345 tonnes of sulphur and 5,000 cubic metres of water per day. Dominion is operator of the facility and maintains a 60 percent working interest.

Dominion will staff the facility continuously. Extensive monitoring and control systems are in place, both in the battery and at the field sites to ensure complete operational integrity at all times. Dominion has opened a Pembina field support office approximately three kilometres north of the new battery.

Dominion Exploration Canada Ltd., headquartered in Calgary, is the Canadian division of Dominion Exploration and Production Inc., a subsidiary of Dominion (NYSE: D).

Dominion is one of the U.S.'s largest producers of energy, with an energy portfolio of about 28,700 megawatts of generation, about 6.3 trillion cubic feet equivalent of proved natural gas reserves, and 7,900 miles of natural gas transmission pipeline. Dominion also operates the North Americas largest underground natural gas storage system with more than 965 billion cubic feet of storage capacity and serves retail energy customers in nine U.S. states. For more information about Dominion, visit the company's Web site at www.dom.com.

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