STATEMENT UNDER THE ACT RESPECTING TRANSPARENCY MEASURES IN THE MINING, OIL AND GAS INDUSTRIES (s.1) Fiscal year covered by the statement: from January 1, 2021 to December 31, 2021 Name of the entity filing the statement: Suncor Energy Inc. Name(s) of the subsidiary or subsidiaries for which the entity files the statement, where applicable: Petro-Canada Terra Nova Partnership; Petro-Canada Hibernia Partnership; Petro-Canada Hebron Partnership; Canadian Oil Sands Partnership; Suncor Energy Oil Sands Limited Partnership; Suncor Energy Offshore Exploration Partnership; Suncor Energy Ventures Partnership CERTIFICATE I certify that I have examined the information contained in the statement of Suncor Energy Inc. for the fiscal year that began on January 1, 2021 and ended on December 31, 2021 . To my knowledge and having exercised due diligence, the information contained in the statement is, in all material respects for the purposes of the Act, true, accurate and complete. Full name of the officer or director: Alister Cowan Title of position: Chief Financial Officer Date: May 27, 2022 “Alister Cowan”

Extractive Sector Transparency Measures Act - Annual Report Reporting Entity Name Suncor Energy Inc. Reporting Year From 01/01/2021 To: 12/31/2021 Date submitted 05/30/2022 Reporting Entity ESTMA Identification Number E405435 Original Submission Amended Report Other Subsidiaries Included (optional field) For Consolidated Reports - Subsidiary Reporting Entities Included in Report: Petro-Canada Terra Nova Partnership: E368056, Petro-Canada Hibernia Partnership: E014222, Petro-Canada Hebron Partnership: E294659, Canadian Oil Sands Partnership: E984046, Suncor Energy Oil Sands Limited Partnership: E761283, Suncor Energy Offshore Exploration Partnership: E718793, Suncor Energy Ventures Partnership: E895970 Not Substituted Attestation by Reporting Entity In accordance with the requirements of the ESTMA, and in particular section 9 thereof, I attest I have reviewed the information contained in the ESTMA report for the entity(ies) listed above. Based on my knowledge, and having exercised reasonable diligence, the information in the ESTMA report is true, accurate and complete in all material respects for the purposes of the Act, for the reporting year listed above. Full Name of Director or Officer of Reporting Entity Alister Cowan Date 05/27/2022 Position Title Chief Financial Officer

Extractive Sector Transparency Measures Act - Annual Report Reporting Year From: 01/01/2021 To: 12/31/2021 Reporting Entity Name Suncor Energy Inc. Currency of the Report CAD Reporting Entity ESTMA Identification Number E405435 Subsidiary Reporting Entities (if Petro-Canada Terra Nova Partnership: E368056, Petro-Canada Hibernia Partnership: E014222, Petro-Canada Hebron Partnership: E294659, Canadian Oil Sands Partnership: E984046, Suncor Energy Oil Sands Limited Partnership: E761283, Suncor Energy Offshore Exploration Partnership: E718793, Suncor Energy Ventures Partnership: E895970 necessary) Payments by Payee Country Departments, Agency, etc… Payee Name within Payee that Received Payments2 Taxes Royalties Fees Production Entitlements Dividends Infrastructure Improvement Payments Total Amount paid Notes Bonuses to Payee Canada Government of Canada 82,550,000 37,240,000 740,000 - - - - 120,530,000 Includes royalties that are remitted directly to the Canadian federal government that are then sent to the Government of Newfoundland and Labrador for the Terra Nova, White Rose, Hebron and Hibernia Extension projects. Canada Canada Newfoundland and Labrador Offshore Petroleum Board - - 3,370,000 - - - - 3,370,000 Canada -Alberta Athabasca Chipewyan First Nation - - 8,780,000 - - - - 8,780,000 Canada -Alberta Fort Chipewyan Metis Local 125 - - 1,890,000 - - - - 1,890,000 Canada -Alberta Fort McKay First Nation - - 980,000 - - - - 980,000 Canada -Alberta Fort McKay Metis Community Association - - 2,440,000 - - - - 2,440,000 Canada -Alberta Fort McMurray #468 First Nation - - 2,280,000 - - - - 2,280,000 Canada -Alberta Fort McMurray Metis Local 1935 - - 1,040,000 - - - - 1,040,000 Canada -Alberta Government of Alberta 63,990,000 590,500,000 24,620,000 - - - - 679,110,000 Canada -Alberta Mikisew Cree First Nation - - 550,000 - - - - 550,000 Canada -Alberta Municipality of Wood Buffalo (Alberta) 47,430,000 - 130,000 - - - - 47,560,000 Canada -Alberta Chipewyan Prairie First Nation - - 1,070,000 - - - - 1,070,000 Canada -Alberta Willow Lake Metis Association - - 550,000 - - - - 550,000 Canada -Alberta Conklin Metis Local #193 - - 400,000 - - - - 400,000 Canada -Newfoundland and Labrador Government of Newfoundland and Labrador - 215,950,000 - - - - - 215,950,000 Includes royalties paid in relation to the Hibernia Base project. Canada -Quebec Government of Quebec 40,000 - - - - - - 40,000 Libya Government of Libya National Oil Corporation 103,180,000 244,610,000 - - 830,000 - - 348,620,000 Bonuses include social development payments as required by certain Exploration and Production Sharing Agreements in Libya. Taxes & Royalties taken in kind and converted to cash basis using the same methodology (fair market value) as Suncor Energy Inc.'s 2021 consolidated financial statements. Translated using the financial year average foreign exchange rates: 1 USD : 1.2536 CAD. Norway Government of Norway - - 130,000 - - - - 130,000 Translated using the financial year average foreign exchange rate: 1 NOK : 0.1459 CAD. United Kingdom of Great Britain and Northern Ireland Her Majesty’s Government of the United Kingdom of Great Her Majesty's Revenue and Britain and Northern Ireland Customs Cumbernauld 209,180,000 - - - - - - 209,180,000 Translated using the financial year average foreign exchange rate: 1 GBP : 1.7247 CAD. Additional Notes: - All payments are reported in Canadian dollars. - All amounts have been rounded to the nearest $10,000 CAD.

Extractive Sector Transparency Measures Act - Annual Report Reporting Year From: 01/01/2021 To: 12/31/2021 Reporting Entity Name Suncor Energy Inc. Currency of the Report CAD Reporting Entity ESTMA Identification Number E405435 Subsidiary Reporting Entities (if Petro-Canada Terra Nova Partnership: E368056, Petro-Canada Hibernia Partnership: E014222, Petro-Canada Hebron Partnership: E294659, Canadian Oil Sands Partnership: E984046, Suncor Energy Oil Sands Limited Partnership: E761283, Suncor Energy Offshore Exploration Partnership: E718793, Suncor Energy Ventures Partnership: E895970 necessary) Payments by Project Country Project Name Taxes Royalties Fees Production Entitlements Dividends Infrastructure Improvement Payments Total Amount paid Notes Bonuses by Project Canada -Alberta Base Mine 18,660,000 201,230,000 9,270,000 - - - - 229,160,000 Canada -Alberta Firebag 25,720,000 315,450,000 4,520,000 - - - - 345,690,000 Canada -Alberta MacKay River 3,000,000 73,810,000 2,050,000 - - - - 78,860,000 Canada -Newfoundland and Labrador Hebron - 8,640,000 - - - - - 8,640,000 Canada -Newfoundland and Labrador Hibernia - 226,970,000 - - - - - 226,970,000 Hibernia Base and Extension projects have been combined for the purposes of this report. Canada -Newfoundland and Labrador Terra Nova - 8,240,000 3,370,000 - - - - 11,610,000 Canada -Newfoundland and Labrador White Rose - 9,350,000 - - - - - 9,350,000 Norway Norway - - 130,000 - - - - 130,000 Translated using the financial year average foreign exchange rate: 1 NOK : 0.1459 CAD. Libya Libya 103,180,000 244,610,000 - - 830,000 - - 348,620,000 Bonuses include social development payments as required by certain Exploration and Production Sharing Agreements in Libya. Taxes & Royalties taken in kind and converted to cash basis using the same methodology (fair market value) as Suncor Energy Inc.'s 2021 consolidated financial statements. Translated using the financial year average foreign exchange rates: 1 USD : 1.2536 CAD. United Kingdom of Great Britain and Northern Ireland U.K. Oil & Gas Taxes 209,180,000 - - - - - - 209,180,000 Translated using the financial year average foreign exchange rate: 1 GBP : 1.7247 CAD. Canada Other 50,000 - 29,620,000 - - - - 29,670,000 Includes Emerging properties in the Oil Sands business unit (Meadow Creek, Lewis, Frontier, Chard, Dover, Gregoire, Tamarack and Voyageur) and North America Onshore in the Exploration and Production business unit. Additional Notes: - All payments are reported in Canadian dollars. - All amounts have been rounded to the nearest $10,000 CAD.