25 August 2021

Pantheon Resources plc

Rescheduling of Forthcoming Webinar to Thursday, 26^th August 2021

Pantheon Resources plc ("Pantheon" or "the Company"), the AIM-quoted oil and gas company with a 100% working interest in oil projects spanning c. 160,000 acres immediately adjacent to transportation and pipeline infrastructure on the Alaska North Slope, onshore USA, provides the following update with regards to the forthcoming Shareholder Presentation and Q&A session ("Webinar"):

The Webinar will now be broadcast at 4 pm BST on Thursday, 26 August 2021, due to technical difficulties with the platform provider.

As mentioned in the release dated 11 August 2021, the Pantheon management team will be joined by Mr Mike Smith, President and Founder of AHS and Mr Roger Young, Chief Technology Officer for eSeis. Also joining the presentation team will be Mr Ed Duncan, Senior Geoscience Consultant and Founder of Great Bear, and Mr Jerry Nichols, Senior Geophysicist Consultant.

The webinar is open to all shareholders and other interested parties. Those wishing to listen in will be able to access the Webinar shortly before 4 pm BST via the link below.

https://www.bigmarker.com/share-talk/Share-Talk-Presents-An-Investor-Presentation-by-Pantheon-Resources-PLC

Attendees should use the latest version of Chrome, Safari or Firefox for the best experience.

Alternatively, investors can download the IOS application for Big Marker, or dial in via telephone. Details are outlined below:

Webinar ID: d99bfbbdcdb9

Dial: USA (312) 248-9348

Dial: UK (0)1793 250421

Attendee Dial-in ID Number: 935615

Attendee Dial-in Passcode: 3517

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Further information:

Notes to Editors

Pantheon Resources plc is an AIM listed Oil & Gas company focused on several large projects located on the North Slope of Alaska ("ANS"), onshore USA where it has a 100% working interest in over 160,000 highly prospective acres with potential for multi billion barrels of oil recoverable. A major differentiator to other ANS projects is its close proximity to transport and pipeline infrastructure which offers a significant competitive advantage to Pantheon, allowing for materially lower capital costs and much quicker development times. The Group's stated objective is to create material value for its stakeholders through oil exploration, appraisal and development activities in high impact, highly prospective conventional assets, in the USA; a highly established region for energy production with infrastructure, skilled personnel and low sovereign risk. All operations are onshore USA, with drilling costs materially below that of offshore wells.

The Company has received Independent Expert Reports certifying a Contingent Resource of 76.5MMBO (million barrels of oil) recoverable on its Greater Alkaid project and management have estimated Contingent Resources of 1.4 billion barrels of oil at Theta West and 404 million barrels of oil in the Shelf Margin Deltaic horizon.