Well Update - Suriname

TULLOW OIL PLC

well update - suriname

18 March 2021 - Tullow Oil plc (Tullow) announces that the Goliathberg-Voltzberg North exploration well, drilled in Block 47, offshore Suriname, has reached Total Depth and encountered good quality reservoir but only minor oil shows.

The Stena Forth drillship drilled the Goliathberg-Voltzberg North well to a Total Depth of 5,060 metres in 1,856 metres of water and the well will now be plugged and abandoned. Tullow and its partners will then assess the data gathered from the well and carefully consider next steps.

Tullow is the operator of Block 47 with a 50% stake. Petroandina Resources Corporation N.V. (Pluspetrol) holds 30% with Ratio Suriname Limited holding the remaining 20%.

Notes to editors

Tullow is an independent oil & gas, exploration and production group which is quoted on the London, Irish and Ghanaian stock exchanges (symbol: TLW) and is a constituent of the FTSE250 index. The Group has interests in over 50 exploration and production licences across 11 countries including Ghana where it operates the Jubilee and TEN fields. In March 2021, Tullow committed to becoming Net Zero on its Scope 1 and 2 emissions by 2030.

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