United Oil & Gas Plc · LSE:UOG
United Oil & Gas — Corporate Update (November 2025)
13 slides from United Oil & Gas's corporate update, Nov 12, 2025
Slide 1: Jamaica Piston Core Presentation
UNITED OIL & GAS Plc Jamaica Piston Core Presentation October 2025 WWW.UOGPLC.COM
Slide 2: Disclaimer
UNITED OIL & GAS 2 DISCLAIMER The Presentation has been prepared by, and is the sole responsibility of, The Presentation may not be reproduced or redistributed, in whole or in The forward-looking statements contained in the Presentation are based on United Oil & Gas Plc (the “Company”, “UOG”, “Unite
Slide 3: One Licence – A World of Opportunities
UNITED OIL & GAS 3 ONE LICENCE – A WORLD OF OPPORTUNITIES • United owns 100% of the 22,400km2 south coast block offshore • Two distinct basins in one licence – the Walton Basin and Morant Basin • Onshore Jamaica hosts a verified working petroleum system that is of the same age as that predicted in t
Slide 4: Licence Progress Update
UNITED OIL & GAS 4 LICENCE PROGRESS UPDATE • Walton-Morant Licence extension secured to January 2028 • Independent Risking Report improves Geological Chance of Success (“GCOS”) to 32% for the Colibri prospect from 19%, following a successful piston core survey • Applying the new GCOS figures to the
Slide 5: The Catalyst: Piston Core Survey
UNITED OIL & GAS 5 THE CATALYST: PISTON CORE SURVEY Seabed Validating the Offshore Petroleum System & De-risking Exploration Pockmarks • Piston Core Survey: Collection of 40–60 seabed sediment cores to directly confirm the presence of hydrocarbons at seabed Shallow • Existing geological evidence for
Slide 6: Piston Core Survey – What Is It?
UNITED OIL & GAS 6 PISTON CORE SURVEY – WHAT IS IT? How Piston Coring is Executed • A piston corer is a long, narrow, heavy tube which is plunged into the soft sediment of the seafloor for the purposes of extracting an undisturbed core sample of mud sediment. • This tool is used for geotechnical and
Slide 7: State-of-the-Art Survey Vessel Secured
UNITED OIL & GAS 7 STATE-OF-THE-ART SURVEY VESSEL SECURED • TDI Brooks international is a US based research and service company specialising in geotechnical, geochemical, environmental and geophysical services • MOU agreed with TDI Brooks International for a survey vessel with availability from Q4 2
Slide 8: New Risk Report – Enhancing the Importance of Piston Core Survey
UNITED OIL & GAS 8 NEW RISK REPORT – ENHANCING THE IMPORTANCE OF PISTON CORE SURVEY Colibri • United engaged Iapetus Geoscience to assess how the Piston Core Survey de-risks the 35% basins. The results show a significant uplift in chance of drilling success: 30% 32% Chance of Drilling Success 25% •
Slide 9: Quantifying the Value Uplift from the Piston Core Survey
UNITED OIL & GAS 9 QUANTIFYING THE VALUE UPLIFT FROM THE PISTON CORE SURVEY • In July 2024, Tennyson Equity Research valued the Colibri prospect (406 MMBO gross) at $83.4 million net risked to UOG, based on a 19% chance of success (COS) • The New Risk Report updates this assessment, with COS now est
Slide 10: Compelling Investment Case – A World of Opportunity Awaits
UNITED OIL & GAS 10 COMPELLING INVESTMENT CASE – A WORLD OF OPPORTUNITY AWAITS A successful Piston Core Survey can directly prove an active petroleum system, lift the chance of success, and materially improve net value.
Slide 11: Appendix
o UNITED OIL & GAS Appendix
Slide 12: Block Analog – Stabroek Guyana & Walton-Morant Jamaica
UNITED OIL & GAS 12 BLOCK ANALOG – STABROEK GUYANA & WALTON-MORANT JAMAICA Walton-Morant Block: Similarities with World-Class Stabroek Block, Guyana (1) Hess Investor Presentation September 2023 and May 2024 Characteristic Stabroek, Guyana (1) Walton-Morant, Jamaica Stabroek and Walton Morant maps a
Slide 13: Prospectivity Summary – Low-Cost Entry…Huge Potential
UNITED OIL & GAS 13 PROSPECTIVITY SUMMARY – LOW-COST ENTRY…HUGE POTENTIAL Name Assignation Location Seismic Data Mean/Mid Volume Type (mmbbls / mmboe) >7 billion barrels1 Lead 11F Lead Walton Basin 2D 1126 Zumbador Lead Morant Basin 2D 925 Thunderball Lead Morant Basin 2D 603 Colibri Prospect Walton