Jadestone Energy Plc · LSE:JSE
Jadestone Energy — H1 2026 Earnings Presentation
15 slides from Jadestone Energy's earnings presentation, Aug 27, 2026
Slide 1: Half-Year 2026 Results Presentation
Half-Year 2026 Results Presentation CREATING THE LEADING ASIA-PACIFIC INDEPENDENT UPSTREAM COMPANY August 2026
Slide 2: Disclaimer
Half Year 2026 Results Presentation DISCLAIMER You must read the following before continuing. The following applies to this document, the presentation of the information in The content of the Presentation has not been approved by an authorized person within the meaning of the Financial Services and
Slide 3: H1 2026 Summary
Half Year 2026 Results Presentation = Jadestone operated H1 2026 SUMMARY Aggregate 13.6 million manhours lost-time injury free across Group operations Debt refinancing via materially oversubscribed debut Nordic bond issue FDP approval and signed GSPA for H1 2026 Production Split2) Nam Du/U Minh deve
Slide 4: H1 2026 Operational and Financial Summary
Half Year 2026 Results Presentation H1 2026 OPERATIONAL AND FINANCIAL SUMMARY Selected operational and financial metrics (US$ million) unless stated H1 2026 H1 2025 ⚫ Revenues +13% to US$261.1 million (pre hedging) – Higher oil (+17%) and gas realizations (+7%) offset by slight decrease in liftings
Slide 5: H1 2026 Production Cost Analysis
Half Year 2026 Results Presentation H1 2026 PRODUCTION COST ANALYSIS Reported production costs: H1 2026 vs. H1 2025 Field operating costs – bridge from H1 2025 to H1 2026 US$ million US$ million 180 140 164 160 2 1 122 120 3 6 30 14 140 120 12 100 97 120 12 100 11 80 Primarily non- ~US$6 million Hig
Slide 6: H1 2026 Cash Bridge
Half Year 2026 Results Presentation H1 2026 CASH BRIDGE Reconciliation of cash from 1 January 2026 to 30 June 2026(1) US$ million Operating cash flows 400.0 Investing cash flows Financing cash flows 350.0 194.9 300.0 250.0 200.0 (150.0) 174.3 97.2 (17.6) 150.0 20.6 (31.6) 100.0 60.9 50.0 0.0 Cash at
Slide 7: Successful Refinancing of RBL via Debut Nordic Bond Offer
Half Year 2026 Results Presentation SUCCESSFUL REFINANCING OF RBL VIA DEBUT NORDIC BOND OFFER Liquidity position at 30 June 2026(1) Current hedging schedule US$ million Barrels US$/bbl • US$200 million 12% Nordic bond 250.0 700,000 Hedged volume 85.0 issued in March 2026, successfully Hedge price (e
Slide 8: PM323 Southwest Field Area Delineated and Successfully Developed
Half Year 2026 Results Presentation PM323 SOUTHWEST FIELD AREA DELINEATED AND SUCCESSFULLY DEVELOPED EBA-18ST3 EBA-07ST1 ⚫ Encountered up to 14 metres of oil column in the SW EBA-19ST2 target area ⚫ Well placement optimized near top of high-quality reservoir for maximum recovery ⚫ Wells successfully
Slide 9: Three ERD Wells Drilled with an 8,500 bopd Aggregate Gain
Half Year 2026 Results Presentation THREE ERD WELLS DRILLED WITH AN 8,500 BOPD AGGREGATE GAIN EBA-18ST3 (SW1) EBA-07ST1 (SW2) EBA-19ST2 (SW3) PM323 PRODUCTION IMPACT INITIAL OIL GAIN: INITIAL OIL GAIN: INITIAL OIL GAIN: 3,200 bopd 2,800 bopd 2,500 bopd BASE PRODUCTION (Pre Phase 9) 4.0 kbopd POST PH
Slide 10: Vietnam: Strong Momentum Towards FID in Late-2026
Half Year 2026 Results Presentation VIETNAM: STRONG MOMENTUM TOWARDS FID IN LATE-2026 Nam Du/U Minh FPSO schematic Field development plan approval in March 2026 ~32 MMboe of 2P reserves (100% W.I. basis) booked for initial phase Gas sales agreement signed in April 2026 EPCI FPSO contractor approved
Slide 11: Operations Update (1) – Akatara and Montara
Half Year 2026 Results Presentation OPERATIONS UPDATE (1) – AKATARA AND MONTARA Akatara gas processing facility Montara gas re-injection compressor engine change out ⚫ H1 2026 production of 5,590 boepd (~50:50 gas:liquids) ⚫ H1 2026 production of 4,195 bopd ⚫ ~9.5 million manhours worked without an
Slide 12: Operations Update (2) – Stag and CWLH
Half Year 2026 Results Presentation OPERATIONS UPDATE (2) – STAG AND CWLH Replacement Stag CALM buoy option (undergoing due diligence) Onshore dry-run of CWLH subsea riser J-tube repair ⚫ Replacement CALM buoy secured, final inspections underway ⚫ Okha FPSO dry-dock successfully completed in H1 2026
Slide 13: 2026 Guidance and Priorities
Half Year 2026 Results Presentation 2026 GUIDANCE AND PRIORITIES 2026 priorities Metric Guidance Comments • Unchanged from July update Vietnam FDP approval Group production 16,000 - 18,000 boepd • Reflects CWLH FPSO reconnection delays and Stag cyclone shut-in impacts Refinance RBL • Unchanged Total
Slide 14: Jadestone's Investment Case
Half Year 2026 Results Presentation JADESTONE’S INVESTMENT CASE Maximize cash flow through “Protecting the Base”: focus on improved uptime, coupled with safe and efficient operations Debt refinancing provides solid financial platform, allowing near- term cash generation to be directed towards growth
Slide 15: Thank You
For further information, please contact: PHIL CORBETT Head of Investor Relations ir@jadestone-energy.com THANK YOU August 2026