Investor Presentaiton

Highlights Creating a new, independent O&G Company PremierOil 2P Reserves at YE' 19 (mmboe) 2020 1H Production (kboepd) UK-listed International Peers Norwegian Peers North American Peers Post- Transaction 500 400 300 200 100 0 Peer A Peer B Peer C Peer D Peer E Peer F Peer G Peer H Peer I Peer J Combined Company 1000 800 600 400 200 n.a. n.a. n.a. n.a. n.a. 0 Peer A Peer B Peer C Peer D Peer E Peer F Peer G Peer H Peer I Peer J Combined Company 5000 4000 2019 EBITDA ($m) 3000 2000 1000 0 Peer A Peer B Peer C Peer D Peer E Peer F Peer G Peer H Peer I Peer J Combined Company Source: Company fillings, FactSet Norwegian Peers: Lundin Energy, Aker BP. UK-listed International Peers: Energean, Cairn Energy, Tullow Oil, Diversified G&O North American Peers: Apache, Hess, Marathon Oil, Murphy Oil Note Energean benchmark is a proforma figure including acquisition of Edison E&P; transaction signed, still to close November 2020 99 P9

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