Sproule ERCE Confirms Major Helium Resource at Coyote Wash

Over 1 BCF of Independently Verified Gross Helium Resources Across Colorado Projects

Establishes Quantum Helium Among the Largest Independently Certified Helium Companies on the LSE by resource size

Quantum Helium Limited (AIM: QHE), advancing helium, hydrogen and hydrocarbon projects in the USA, is pleased to announce receipt of the independent resource report from Sproule ERCE for the Coyote Wash Project in Colorado, where Quantum holds a 100% working interest.

The report estimates 2U (Best Estimate) gross recoverable helium of 0.97 BCF at Coyote Wash, which, when combined with the Sproule ERCE-verified 2U gross helium resource of 0.134 BCF at Sagebrush, establishes 1.104 BCF of independently verified 2U gross helium across the Company’s Colorado portfolio.

This represents Quantum’s second independently evaluated helium resource, reinforcing the continued growth and maturing technical confidence in the Company’s strategy.

Sproule ERCE has also completed its assessment of the oil potential at Coyote Wash, confirming 1U / 2U / 3U recoverable oil estimates of 150 / 420 / 750 thousand barrels across a single mapped Ismay prospect.

Highlights

Sproule ERCE Resource Summary – Coyote Wash (Leadville Formation)

Coyote Wash – Total Gross Raw Gas Resource Volume Leadville Prospects (MMscf)

Estimate Total Raw Gas (MMscf) Hydrocarbon Gas (MMscf) Helium Gas (MMscf) CO₂ Gas (MMscf)
1U 15,695 3,567 432 6,271
2U 35,182 7,998 970 14,055
3U 60,928 13,850 1,682 24,342

(Source: Sproule ERCE)

Ismay Formation – Gross Prospective Oil & Gas Resource Volumes

Prospect 1U Oil (Mstb) 2U Oil (Mstb) 3U Oil (Mstb) 1U Gas (MMscf) 2U Gas (MMscf) 3U Gas (MMscf)
Mariano Wash Prospect – single well 50 140 250 180 286 498
Mariano Wash Prospect – 3 well total 150 420 750 540 858 1,494

(Source: Sproule ERCE)

Coyote Wash – Total Net Raw Gas Resource Volume Leadville Prospects (MMscf)
(14% royalty which increases to 19% from Production Year 11 onwards)

Estimate Total Raw Gas (MMscf) Hydrocarbon Gas (MMscf) Helium Gas (MMscf) CO₂ Gas (MMscf)
1U 12,293 2,794 338 4,912
2U 26,371 5,995 727 10,535
3U 42,957 9,765 1,186 17,162

(Source: Sproule ERCE)

Ismay Formation – Net Prospective Oil & Gas Resource Volumes
(14% royalty which increases to 19% from Production Year 11 onwards)

Prospect 1U Oil (Mstb) 2U Oil (Mstb) 3U Oil (Mstb) 1U Gas (MMscf) 2U Gas (MMscf) 3U Gas (MMscf)
Mariano Wash Prospect – single well 43 120 215 155 246 428
Mariano Wash Prospect – 3 well total 129 361 645 464 738 1,285

(Source: Sproule ERCE)

Quantum Chief Executive, Howard McLaughlin, commented: “This is a defining moment for Quantum. With Sproule ERCE now independently evaluating more than one billion cubic feet of 2U gross helium across Sagebrush and Coyote Wash, we have established ourselves among the larger independently certified helium companies on the London market. Few companies can point to two independently evaluated helium projects, a drilled and cased discovery well ready for testing, and a completed seismic acquisition programme that could further expand our resource base.”

“The Sproule ERCE outcome gives us tremendous confidence in the scale and quality of our portfolio. It validates our disciplined technical work, strengthens our strategic position, and sets the foundation for a highly active 2026. Our engagement with the BIA has been very constructive, including a meeting with senior officials this week, and we continue to progress towards approval for the extended flow test at Sagebrush-1. With meaningful project milestones ahead, shareholders can look forward to a sustained period of value-building newsflow.”

Qualified Person Statement

The information contained in this announcement has been reviewed and approved by Howard McLaughlin, Chief Executive Officer for Quantum Helium, who has more than 45 years of experience in the oil and gas industry and is a member of the American Association of Petroleum Geologists.

Note: (*) Resources have been estimated by Sproule ERCE using the reserve and resource estimation guidelines outlined by the Petroleum Resources Management System (PRMS), as revised June 2018.  Helium and Carbon Dioxide gas has been evaluated as a non-hydrocarbon gases using the principles of the SPE PRMS as allowed by the SPE August 2022 statement on the “Extension of PRMS Principles to Non-Hydrocarbon/Non-Traditional Situations”.

Market Abuse Regulation (MAR) Disclosure

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 (‘MAR’) which has been incorporated into UK law by the European Union (Withdrawal) Act 2018. Upon the publication of this announcement via Regulatory Information Service (‘RIS’), this information is now considered to be in the public domain.

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

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.

Glossary

Term Definition
1U / Low Estimate At least a 90% probability that the quantities recovered will equal or exceed this estimate.
2U / Best Estimate At least a 50% probability that the quantities recovered will equal or exceed this estimate. Often considered the “most likely” case.
3U / High Estimate At least a 10% probability that the quantities recovered will equal or exceed this estimate. Represents upside potential.
Bcf Billion standard cubic feet of gas, measured at standard conditions of temperature and pressure
Contingent Resource Those quantities of petroleum estimated, as of a given date, to be potentially recoverable from known accumulations by application of development projects, but which are not currently considered to be commercially recoverable owing to one or more contingencies.
MMscf Million standard cubic feet of gas, measured at standard conditions of temperature and pressure.
Mscf Thousand standard cubic feet of gas, measured at standard conditions of temperature and pressure.
Prospective Resource Those quantities of petroleum estimated, as of a given date, to be potentially recoverable from undiscovered accumulations by application of future development projects.
PRMS Petroleum Resources Management System, the globally recognized framework issued by the Society of Petroleum Engineers (SPE) and partners, used for classifying petroleum and non-hydrocarbon resources.

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