2021 Full Year Results

Catalysts to unlock value Jubilee: Stable gas supply and tangible benefits Realising value from Kenya • Delivering >100mmscfd, c.30% of Ghana thermal power generation • 585 million bbls net 2C resource life of field · Expect to fulfil Foundation Gas (200BCF) by YE22, yielding >$2bn to Ghana • 120 kbopd plateau production • c.$3.4 billion gross project capex to first oil • GSA discussions underway to deliver an additional 500BCF • TEN: Commercially advantaged gas Material resource with access to existing processing and pipeline infrastructure • Supports Jubilee and TEN export potential of up to 240mmscfd • Multiple commercial options with direct access to growing demand Strong collaboration with Government and Partners to realise potential Prestea N<< ↑ FPSO ⑲Gas Processing Plant Tullow Operated TEN CDI GHANA Export potential 150 mmscf/d CDI Nameplate 150 mmscf/d Operating 135 mmscf/d Atuabo 225-240 mmscf/d Jubilee Export potential 150 mmscf/d 405 mmscf/d Ghana 405 mmscf/d Takoradi Takoradi (Western Gas Corridor) Sankofa Export potential 210 mmscf/d 225 mmscf/d 50km · 170 kbbls economic threshold for small oil pools Significant exploration upside TULLOW On € FDP submitted in December 2021, constructive discussions with Government ESIA approved by the National Environmental Management Agency (NEMA) Active engagement with potential strategic partners Tullow Oil plc | 2021 Full Year Results Slide 25

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