Enbridge Inc. ENERGY TRANSPORTATION Liquids Pipelines Natural Gas Pipelines Other ENERGY DISTRIBUTION CORPORATE INTERNATIONAL ENERGY SERVICES ◗ Enbridge Pipelines Inc. ◗ Enbridge Pipelines (NW) Inc. ◗ Enbridge Pipelines (Athabasca) Inc. ◗ Enbridge Pipelines (Saskatchewan) Inc. ◗ Enbridge Pipelines (North Dakota) Inc. ◗ Enbridge Pipelines (Toledo) Inc. ◗ Enbridge (U.S.) Inc. ◗ Lakehead Pipe Line Partners, L.P. (15.3%) ◗ Mustang Pipe Line Partners (30%) ◗ Chicap Pipe Line Company (22.8%) ◗ Frontier Pipeline Company (43.8%) ◗ Alliance Pipeline Limited Partnership (21.4%) ◗ Vector Pipeline Limited Partnership (45%) ◗ Cartier Pipeline — proposed (50%) ◗ AltaGas Services Inc. (40%) ◗ Aux Sable Liquids Products Inc. (21.4%) ◗ Enbridge Consumers Gas ◗ Gazifère Inc. ◗ Niagara Gas Transmission Limited ◗ St. Lawrence Gas Company, Inc. ◗ Global Thermoelectric Inc. (strategic alliance) ◗ Inuvik Gas Ltd. (33$^{1}$⁄3%) ◗ Tidal Energy Marketing Inc. (50%) ◗ Enbridge Technology Inc. ◗ Oleoducto Central S.A. (24.7%) ◗ Enbridge International Inc. ◗ Enbridge Services Inc. ◗ Enbridge Services (U.S.) ◗ Enbridge Commercial Services Inc. ◗ NetThruPut Inc. (52%) ◗ Cornwall Electric ◗ Enbridge Gas New Brunswick (63%) ◗ Noverco Inc. (32%) ◗ Gaz Métropolitain and Company, Limited Partnership (77%) ◗ Vermont Gas Systems, Inc. (100%) ◗ TQM Pipeline and Company, Limited Partnership (50%)