http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/Inside-information-08-12-2006.aspx
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/2007-HALF-YEAR-REPORT.aspx
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/2008-Semi-annual-Report-29-08-2008.aspx [View duplicates]
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/GeneralMeeting/Pages/2017.aspx
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/Unplanned-shutdown-of-petrochemical-production-in-Litvínov.aspx
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/Inside-information-03-02-2009.aspx
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/Inside-information-02-02-2010.aspx
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/Inside-information-21-06-2013.aspx [View duplicates]
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/NOTIFICATION-UNDER-SECTION-120-(2)-(E)-OF-CAPITAL-MARKETS-ACT-30-08-2007.aspx
http://www.orlenunipetrol.cz/en/InvestorRelations/archive/RegulatoryAnnouncements/Pages/1H-2008-Financial-Results-(IFRS)-13-08-2008.aspx