Suncor Energy Legal Entity Information Country Entity Name Company Code Canada Suncor Energy Oil Sands Limited Partnership 1000 Canada Suncor Energy Marketing Inc. 1020 Canada Suncor Energy Logistics Corporation 1030 Canada Suncor Energy Services Inc. 1050 Canada Suncor Energy Products Partnership 1060 Canada Suncor Energy Inc. 1061, 1160 Canada Sun‐Canadian Pipe Line Company Limited 1090 Canada Suncor Energy E&P Partnership 1501 Canada Suncor Energy Offshore Exploration Partnership 1503 Canada Suncor Energy Inc. Arctic & East Coast 1505 Canada Petro‐Canada Terra Nova Partnership 1525 Canada Petro Canada Hibernia Partnership 1535 Canada Petro Canada Hebron Partnership 1550 Canada Suncor Energy Specialty Products Inc. 1655 Canada Suncor Energy Ventures Partnership 1705 Canada Suncor Energy Inc. In Situ 1710 Canada Fort Hills Energy L.P. 1715 Canada Suncor Energy Oil Sands Limited Partnership 1730 Canada Suncor Energy Joslyn Partnership 1740 Canada Suncor Energy Operating Inc. 1750 Canada Thebacha Limited Partnership 1765 Canada Canadian Oil Sands Partnership #1 1790 Canada Suncor Energy Products Inc. ‐ Magrath 8000 Canada Suncor Adelaide Wind Limited Partnership 8015 Canada Suncor Energy Inc./CO 1061 8020 Canada Suncor Energy Foundation 9000 United States Suncor Energy (USA) Inc. 2010 United States Suncor Energy Sales Inc. 2020 United States Suncor Energy (U.S.A.) Pipeline Company 2030 United States Suncor Energy (USA) Marketing Inc. 2100 United States Petro‐Canada (Alaska) Inc. 2230 United Kingdom Suncor Energy International Trading Ltd. 3225 United Kingdom Suncor Energy UK Limited 3230 United Kingdom Suncor Energy UK Holdings Ltd. 3240 Norway Suncor Energy Norge AS 3250 Norway Petro‐Canada Norway Investment Limited 3345

Non-Abbreviated Name Conventional Abbreviations Company Co. Corporation Corp. General Partnership GP Incorporated Inc. Limited Ltd. Limited Partnership LP Partnership P'SHIP, PTP, PTR, PRTNRSHP, PTSHP Products PROD