Tullow Oil Plc · LSE:TLW

Tullow Oil — Technical Presentation (September 2026)

6 slides from Tullow Oil's technical presentation, Sep 28, 2026

  1. Slide 1: 30 June 2026 Reserves Report

    30 June 2026 Reserves Report 28 September 2026

  2. Slide 2: Disclaimer

    Disclaimer This presentation contains certain forward-looking statements that are subject to the usual risk factors and uncertainties associated with the oil and gas exploration and production business. Whilst Tullow believes the expectations reflected herein to be reasonable in light of the informa

  3. Slide 3: PRMS classification

    PRMS classification Production Project maturity sub-classes Commercial On Production (OP) Reserves Approved for Development (AD) Discovered PIIP Justified for Development (JD) Total petroleum initially-in-place Development Pending Increasing chance of Sub-Commercial commerciality Development On Hold

  4. Slide 4: 2P reserves split by category and assets

    2P reserves split by category and assets 30 June 2026 Oil Gas Total oil Oil Gas Total oil Jubilee (Ghana) reserves equivalent TEN (Ghana) reserves equivalent (mmstb) (bscf) (mmboe) (mmstb) (bscf) (mmboe) On Production (OP) 56.8 69.0 68.3 On Production (OP) 15.3 (1) - 15.3 Approved for Development (A

  5. Slide 5: Economics

    Economics Price deck NPV10 net to Tullow, as of 1 July 2026 ($m) • Economic evaluation is based on the average of Brent ICE Futures Europe Strip for each of Jubilee 1,819 the 30 trading days before 1 July 2026 • From 2031 onwards 2% inflation per annum TEN 130 compared to 2030 is applied Asset* NPV

  6. Slide 6: Tullow Oil plc

    Tullow Oil plc 9 Chiswick Park, 566 Chiswick High Road London W4 5XT United Kingdom Tel: +44 (0)20 3249 9000 Email: ir@tullowoil.com Web: www.tullowoil.com

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