Result of Bookbuild and WRAP Retail Offer

Block Energy plc, is pleased to announce that further to the announcement made at 5.04 p.m. on 27 April 2026 (the "Bookbuild Launch Announcement"), the Bookbuild has now closed and the Company has raised $6.23 million (£4.61 million) in aggregate (before expenses) through the Placing of 418,701,200 Fundraise Shares pursuant to the Placing at the Issue Price of 1.1 pence per Ordinary Share. Tennyson acted as sole bookrunner in connection with the Placing.

Additionally, further to the announcement made at 5.13 p.m. on 27 April 2026 (the "Retail Offer Launch Announcement"), the Retail Offer has also closed and the Company has raised US$ 67,000 (£50,000) in aggregate (before expenses) through the Retail Offer of 4,506,716 Fundraise Shares at the Issue Price pursuant to the Retail Offer.

The total funds raised pursuant to the Placing and Retail Offer are US$ 6.30 million (£4.66 million).

Pursuant to the Fundraise, the Company will issue 77,314,000 Firm Fundraise Shares raising c. US$ 1.15 million (c. £0.85 million) and 345,893,916 Conditional Fundraise Shares (which includes the Retail Offer) raising $5.15 million (£3.80 million). All of the Fundraise Shares subscribed for pursuant to the Retail Offer will be issued in the Conditional Fundraise.

The Placing is subject to the conditions set out in the Bookbuild Launch Announcement. The Retail Offer is subject to the terms and conditions set out in the Retail Offer Launch Announcement.

Admission and Total Voting Rights

Application has been made for the Fundraise Shares to be admitted to trading on AIM ("Admission"). Admission of the 77,314,000 Firm Fundraise Shares ("First Admission") is expected on or around 1 May 2026 and Admission of the 345,893,916 Conditional Fundraise Shares ("Second Admission") is expected on or around 19 May 2026 (provided the Fundraise Resolutions are passed at the General Meeting).

Following First Admission the Company's Enlarged Share Capital will be 1,123,486,039 Ordinary Shares. Following Second Admission the Company's Enlarged Share Capital will be 1,469,379,955 Ordinary Shares.

These figures may be used by holders of Ordinary Shares as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the share capital of the Company under the Financial Conduct Authority's Disclosure Guidance and Transparency Rules.

The new Ordinary Shares to be issued pursuant to the Fundraise will be issued free of all liens, charges and encumbrances and will, on Admission, rank pari passu in all respects with the new Ordinary Shares to be issued pursuant to the Placing and the Company's existing Ordinary Shares.

Unless otherwise defined, all capitalised terms used but not defined in this announcement shall have the meaning as given to them in the Launch Announcement.

Glossary

• bbls: barrels. A barrel is 35 imperial gallons.
• Bcf: billion cubic feet.
• boe: barrels of oil equivalent.
• bopd: barrels of oil per day.
• DGH: Directorate General of Hydrocarbons of Gabon
• Mbbls: thousand barrels.
• MMbbls: million barrels.
• MMboe: million barrels of oil equivalent.
• MMCF/d: millions of cubic feet of gas per day
• TCF: trillion cubic feet.