Quantum Helium LimitedLSE: QHE

Updated Investor Presentation

· Investegate

25 August 2026

Quantum Helium Limited

("Quantum" or the "Company")

Investor Presentation

Quantum Helium Limited (AIM: QHE) announces that an updated Investor Presentation is now available on the Company's website, providing an overview of Quantum's Colorado helium and oil portfolio, recent progress at Sagebrush and the Company's strategy for the next phase of development, including the planned larger stimulation and testing programme at Sagebrush-1, which is being defined to increase reservoir contact and improve flow performance.

The updated Investor Presentation can be accessed using the following link: www.quantum-helium.com/documents/corporate-presentation-aug-2026/

Enquiries:

Quantum Helium Limited

Carl Dumbrell

Chairman

NOMAD and Joint Broker

SP Angel Corporate Finance LLP

Stuart Gledhill / Richard Hail / Adam Cowl

+44 (0) 20 3470 0470

Brand Communications

Alan Green

Tel: +44 (0) 7976 431608

Joint Broker

CMC Markets UK Plc

Douglas Crippen

+44 (0) 020 3003 8632

Joint Broker

OAK Securities

Jerry Keen / Robert Bell

Tel: +44 (0) 203 973 3678

Updates on the Company's activities are regularly posted on its website: www.quantum-helium.com

Notes to editors

Quantum (AIM: QHE) is a helium, hydrogen and hydrocarbon exploration, development, and production company with projects in the US and Australia. Quantum's strategic objectives remain consistent: to identify opportunities which will provide operating cash flow and have development upside, in conjunction with progressing exploration. The Company has several projects in the US, in addition to royalty interests in Australia.

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