2021 Full Year Results

Significant Ghana resource potential Jubilee gross oil volumes (mmbbls) 1,971 c.2.0 bi billion bbls in place with only 17% recovered to YE21 RF 47% 245 RF 35% 342 RF 17% TEN gross 1,500 oil volumes (mmbbls) c.1.5 billion bbls in place with only 7% recovered to YE21 TULLOW RF 31% 264 339 RF 7% 101 RF 13% 99 1 2 3,4 STOIIP Production to FY21 2P reserves 2C resources STOIIP¹ 3,4 Production to FY21 2P reserves² 2C resources Note: RF = Recovery Factor 1 Gross Stock Tank Oil Initially In Place (STOIIP) 2P and 2C 2 2P reserves based on licence period 3 STOIIP and reserve volumes at 31 December 2021, based on TRACS audit report 42C based on technically recoverable oil, life of field Tullow Oil plc | 2021 Full Year Results Slide 19

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