CNQ: STHZCNQ: HBORYearTrailing 12-MonthsCalendar Year 2022Calendar Year 2021Calendar Year 2020Calendar Year 2019ViewAll FilingsNews ReleasesMaterial ContractsOtherFinancial StatementsManagement's Discussion & AnalysisMaterial Change ReportAnnual Information FormNotice of the Meeting and Record DateProxy CircularEarly Warning ReportDocuments Affecting Rights of SecurityholdersReport of Exempt DistributionNI 44-101 NoticeDescriptionDateFormatMaterial change report - EnglishAug 31, 2020SEDARĀ® is a registered trade-mark of and property of the Alberta Securities Commission