25 February 2025

Borders & Southern Petroleum plc

("Borders & Southern" or the "Company")

Posting of Circular to Shareholders

Notice of General Meeting

Capitalised terms used but not otherwise defined in this announcement shall have the meanings ascribed to such terms in Appendix II of the Placing, Subscription and Retail Offer Announcement issued on 20 February 2025 at 7a.m., unless the context requires otherwise.

Borders & Southern Petroleum plc (AIM: BOR), the London based independent oil and gas exploration company with appraisal and exploration assets offshore the Falkland Islands, is pleased to advise that the Circular to convene a General Meeting of the Company to approve the Fundraising will be posted to shareholders today. The General Meeting will be held on 21 March 2025 at 10 a.m. at the offices of Wedlake Bell LLP at 71 Queen Victoria Street, London EC4V 4AY.

A copy of the Circular, containing the Notice of Meeting, will be available on the Company's website.

For further information, please visit www.bordersandsouthern.com or contact:

Notes to Editors:

Borders & Southern Petroleum plc is an oil & gas exploration company listed on the London Stock Exchange AIM (BOR). The Company operates and has a 100% interest in three Production Licences in the South Falkland Basin covering an area of nearly 10,000 square kilometres. The Company has acquired 2,517 square kilometres of 3D seismic and drilled two exploration wells, making a significant gas condensate discovery with its first well.

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