REG - United Oil & Gas PLC - Jamaica Update: Mobilisation of Survey Vessel

United Oil & GasAnnouncement

19/01/2026 07:00

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RNS Number : 3320P  United Oil & Gas PLC  19 January 2026

  United Oil & Gas PLC / Index: AIM / Epic: UOG / Sector: Oil & Gas

 

19 January 2026

United Oil & Gas plc

("United" or "the Company")

 

Mobilisation of Survey Vessel for Jamaica Offshore Programme

 

United Oil & Gas Plc (AIM: UOG), the oil and gas company with a high
impact exploration asset in Jamaica and a development asset in the UK is
pleased to announce that the R/V Gyre, operated by TDI Brooks International,
mobilised from Trinidad on Saturday 17 January 2026 and is now en-route to
Jamaica to undertake the planned offshore surface geochemical exploration
survey on the Walton Morant Licence.

 

The vessel is expected to arrive in Kingston, Jamaica in approximately five to
six days. Upon arrival, the R/V Gyre will undergo pre-survey inspection and
acceptance procedures, following which it will be prepared to commence
offshore operations on or around 27 January 2026.

 

Once the offshore survey programme commences, the vessel will initially
complete the multibeam echo sounder (MBES) survey. This will be followed by
heat flow measurements and seabed piston coring operations.

 

Following completion of the offshore operations, recovered core samples will
be shipped to TDI Brooks' laboratory in the United States for detailed
geochemical analysis. Preliminary results are expected approximately one to
two months after completion of the survey, with final analysis expected around
mid-2026. The offshore survey programme is designed to confirm the presence of
thermogenic hydrocarbons and further de-risk the basin, providing key data to
support future exploration activity on the Walton Morant Licence.

 

The Company expects to provide further updates as the survey progresses,
including updates following commencement of offshore operations and following
completion and review of the MBES survey, which will inform the final
selection of piston coring locations.

 

 

Piston Coring Target Areas - Illustrative Example

The image below illustrates an example of a potential piston coring target
location (for illustrative purposes only and not to scale).

As shown, certain seabed features such as shallow depressions or pockmarks,
some of which can extend to several hundred metres in diameter, can often be
associated with hydrocarbons venting at the seafloor. These surface features
may be linked to subsurface seismic features indicative of fluid migration,
including vertical migration pathways (or fluid escape chimneys) and shallow
amplitude anomalies which, in the image below, can be seen directly beneath
the surface pockmarks, together with nearby seismic responses that may
represent direct hydrocarbon indicators (DHIs) in the form of bright soft
amplitude responses.

 

Figure 1. Seismic detail and overlying seabed character at an example target
location for piston coring.

By targeting such features, the piston coring programme is intended to test
for the presence of a thermogenic hydrocarbon signature in recovered seabed
sediment. A positive result would provide direct evidence of an active
petroleum system and materially derisk the prospectivity of the Walton Morant
Licence.

Brian Larkin, CEO of United Oil & Gas, commented:

 

"This survey represents a key milestone in advancing our Jamaica exploration
programme. With the R/V Gyre now en route, we are entering an important phase
of data acquisition that is expected to significantly enhance our
understanding of the basin.

The results will play a central role in de-risking the licence and informing
future strategic decisions as we continue to unlock the potential value of
over 7.1 billion barrels of unrisked prospective resources in this highly
prospective offshore area."

 

**ENDS**

 

 

 Enquiries
 United Oil & Gas Plc (Company)
 Brian Larkin, CEO                                      brian.larkin@uogplc.com

 Beaumont Cornish Limited (Nominated Adviser)
 Roland Cornish | Felicity Geidt | Asia Szusciak        +44 (0) 20 7628 3396

 Tennyson Securities (Joint Broker)
 Peter Krens                                            +44 (0) 20 7186 9030

 Shard Capital Limited (Joint Broker)                   +44 (0) 20 7186 9900

 Damon Heath | Isabella Pierre

 

Beaumont Cornish Limited ("Beaumont Cornish") is the Company's Nominated
Adviser and is authorised and regulated by the FCA. Beaumont Cornish's
responsibilities as the Company's Nominated Adviser, including a
responsibility to advise and guide the Company on its responsibilities under
the AIM Rules for Companies and AIM Rules for Nominated Advisers, are owed
solely to the London Stock Exchange. Beaumont Cornish is not acting for and
will not be responsible to any other persons for providing protections
afforded to customers of Beaumont Cornish nor for advising them in relation to
the proposed arrangements described in this announcement or any matter
referred to in it.

 

 

 

 

Notes to Editors

United Oil & Gas is an oil and gas company with a development asset in
the UK and a high impact exploration licence in Jamaica.

 

The business is led by an experienced management team with a strong track
record of growing full cycle businesses, partnered with established industry
players and is well positioned to deliver future growth through portfolio
optimisation and targeted acquisitions.

United Oil & Gas is listed on the AIM market of the London Stock
Exchange. For further information on United Oil and Gas please
visit www.uogplc.com (http://www.uogplc.com)

 

 

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