Nostrum Oil & Gas Plc ABOUT OPERATIONS SUSTAINABILITY INVESTORS CAREERS MEDIA CONTACT Board Atul Gupta EXECUTIVE CHAIRMAN View profile Kaat Van Hecke INDEPENDENT NON-EXECUTIVE DIRECTOR View profile Martin Cocker INDEPENDENT NON-EXECUTIVE DIRECTOR View profile Sir Christopher Codrington, Bt. INDEPENDENT NON-EXECUTIVE DIRECTOR View profile Arfan Khan CHIEF EXECUTIVE OFFICER View profile Strategy Board Management Governance Governance Framework Committees History Committees Audit Nominations Remuneration HSEC 9th Floor 20 Eastbourne Terrace London W2 6LG United Kingdom +44 20 3740 7430 Modern Slavery and Transparency Statement Privacy & Cookies Policy Disclaimer © 2021 Nostrum Oil & Gas Plc Website by BRIGHTER*IR follow us on linked in

Nostrum Oil & Gas Plc ABOUT OPERATIONS SUSTAINABILITY INVESTORS CAREERS MEDIA CONTACT Documents & Circulars Documents Circulars 11/3/2021 Independent Reserves Audit as of December 31, 2020 download 31/3/2020 Independent Reserves Audit at 1 January 2020 download 1/1/2019 Independent Reserves Audit – January 1, 2019 download 13/6/2014 Supplementary prospectus download 20/5/2014 NOG prospectus download 3/2/2014 Independent Reserve Audit as of 31st August 2013 download 31/12/2012 Independent Reserve Audit as of December 31, 2012 download 31/12/2011 Independent Reserve Audit as of December 31, 2011 download 31/12/2010 Independent Reserve Audit as of December 31, 2010 download 1/7/2009 Independent Reserve Audit 2009 download 15/6/2009 Environmental, Health & Safety Due Diligence Assessment – June 2009 download 1/9/2007 Environmental, Health & Safety Due Diligence Assessment – September 2007 download 1/7/2007 Independent Reserve Audit as of July 1, 2007 download 2020 Overview Investment Case Summary Financials Regulatory News & Alerts Share Price Reports & Presentations Documents & Circulars Financial Calendar Analyst Coverage Bonds & Credit Ratings Total Voting Rights An Introduction to Nostrum Oil & Gas Nostrum Highlights Financial Calendar 9th Floor 20 Eastbourne Terrace London W2 6LG United Kingdom +44 20 3740 7430 Modern Slavery and Transparency Statement Privacy & Cookies Policy Disclaimer © 2021 Nostrum Oil & Gas Plc Website by BRIGHTER*IR follow us on linked in