Restoration of Listing

Quantum Data Energy PLC

(Incorporated in England and Wales)

(Registration Number: 12886458)

LEI: 213800HFVHGJ9YGO9F71

Share code on the LSE: QDE

ISIN: GB00BNG90H86

Dated: 24 September 2026

Quantum Data Energy PLC

("Quantum", "QDE" or the "Company")

Confirmation of Restoration of Listing and Share Trading

London, UK - Quantum Data Energy PLC (LSE: QDE) announces that, further to its RNS announcement dated 5 August 2026 and following an application to the Financial Conduct Authority ("FCA"), the temporary suspension of the listing of the Company's ordinary shares (the "Ordinary Shares") and of trading in the Ordinary Shares on the Main Market of the London Stock Exchange has been lifted with effect from 7.30 am today.

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About Quantum Data Energy PLC:

Quantum Data Energy PLC (LSE: QDE) is a UK-based, revenue generating, independent energy company. The Company develops, operates, and owns energy production assets in the UK. The Company is listed on the London Stock Exchange Main Market. The Company delivers flexible, modular power solutions to the UK grid, and is pursuing a strategy to develop modular power solutions for AI datacentres, enabling scalable, reliable energy for next-generation digital infrastructure. The Company has deep expertise in infrastructure planning, grid access, gas access, and efficient power supply.

ENDS

This announcement contains inside information for the purposes of the UK version of the Market Abuse Regulation (EU No. 596/2014) as it forms part of United Kingdom domestic law by virtue of the European Union (Withdrawal) Act 2018 ('UK MAR'). Upon the publication of this announcement, this inside information is now considered to be in the public domain.