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Equity Bottom-Up

Mast Energy Developments / Equity Bottom-Up

Mast Energy Developments PLC operates as an energy holding company. The Company acquires and develops a portfolio of flexible, small scale, and multiple reserve power generation plants producing clean power through natural gas. Mast Energy Developments serves clients in the United Kingdom.

<ul><li>Quantum Data Energy (QDE, MAST.L) has been ‘set free’ to execute its operational plan by the warrants raise mechanism, raising net cash equating to >3x MCAP at the time and fixing the balance sheet.</li><li>The warrants structures are positive for both new shareholders and historical shareholders.</li><li>MAST.L is targeting 1GW of new flexible generation by 2030.</li></ul>

Quantum Data Energy (QDE, MAST.L) has been ‘set free’ to execute its operational plan by the warrants raise mechanism, raising net cash equating to >3x MCAP at the time and fixing the balance sheet.The warrants structures are positive for both new shareholders and historical shareholders.MAST.L is targeting 1GW of new flexible generation by 2030.

QDE MAST.L Update Escaping A Capital Constraint 16122025

<ul><li>Quantum Data Energy (QDE, MAST.L) delivers flexible power solutions to the UK grid and AI datacentres worldwide.</li><li>MAST.L is targeting 1GW of new generation by 2030.</li><li>Our current value range GBp 51-54 is based only on 150MW and our expected dilution of 223m shares.</li></ul>

Quantum Data Energy (QDE, MAST.L) delivers flexible power solutions to the UK grid and AI datacentres worldwide.MAST.L is targeting 1GW of new generation by 2030.Our current value range GBp 51-54 is based only on 150MW and our expected dilution of 223m shares.

Quantum Data Energy (MAST.L)  Record Revenues 10122025

Quantum Data Energy (MAST.L) Rapid Progress 25112025

<ul><li>Quantum Data Energy (MAST.L) delivers flexible, modular power solutions to the UK grid and AI datacentres worldwide.</li><li>QDE is targeting 1GW of new generation by 2030.</li><li>Our current value range is based only on 150MW and on our expected dilution of 223m shares.</li></ul>

Quantum Data Energy (MAST.L) delivers flexible, modular power solutions to the UK grid and AI datacentres worldwide.QDE is targeting 1GW of new generation by 2030.Our current value range is based only on 150MW and on our expected dilution of 223m shares.

Quantum Data Energy (MAST.L) Accretive Cash Warrants FINAL 18112025

<ul><li>Mast Energy Developments plc (MAST.L, ESCC Transition) is a flexible power generation plant owner, developer and operator targeting >300 MW of new, grid critical, generation for the UK flexible power market by 2030.</li><li>Our current value range is based only on the first 150 MW.</li><li>Since our initiation MAST recently bought exclusive rights to five sub‑5 MW flexible‑generation sites from Green Light Energy (GLE).</li></ul>

Mast Energy Developments plc (MAST.L, ESCC Transition) is a flexible power generation plant owner, developer and operator targeting >300 MW of new, grid critical, generation for the UK flexible power market by 2030.Our current value range is based only on the first 150 MW.Since our initiation MAST recently bought exclusive rights to five sub‑5 MW flexible‑generation sites from Green Light Energy (GLE).

MED MAST.L Update Megawatt Momentum 3172025