Nine Month Oil Revenues and Helium Super Summit

(AIM:QHE) Quantum Helium Limited provided an update on oil production and revenue from its Sagebrush Project, in which it holds a 90% working interest, for the third quarter and nine months ended 30 September 2026. The company reported that gross oil revenue for the first nine months of calendar 2026 was US$500,765, which is approximately 23% higher than the US$408,532 generated during the entire 2025 calendar year. Quantum's 90% share of revenue for the first nine months reached US$450,688. Third quarter project oil revenue was US$184,502, with Quantum's 90% share amounting to US$166,052. Gross oil production for the first nine months of 2026 totaled 7,771 barrels, including 2,630 barrels in Q3. The average realized oil price in Q3 2026 was US$71.28 per barrel. Oil production figures are reported on a 100% gross project basis, and project oil revenue figures are reported before lease operating expenses and are not adjusted for Quantum's 90% working interest. Production and revenue figures net to Quantum's 90% working interest are not adjusted for land royalties payable of 16.67%, severance taxes, and other applicable deductions. All oil sales remain unhedged. Oil production from the existing Sagebrush wells continued throughout Q3 2026, generating project revenue of US$184,500 and bringing total revenue for the first nine months to US$500,765. The stronger oil price environment during 2026 contributed positively to revenues. Oil production remains an important component of Quantum's broader Colorado strategy, providing ongoing revenues alongside its primary focus on helium exploration, appraisal, and development. The company has more than 1 Bcf of independently assessed helium resources across Sagebrush and Coyote Wash. Additional commercial oil potential was confirmed during testing at Sagebrush-1. Members of Quantum's executive and technical team are attending the Helium Super Summit in Houston, Texas, commencing 20 October 2026, to discuss the company's Colorado helium portfolio and the planned larger-volume stimulation programme at Sagebrush-1. Preparations for the larger-volume stimulation programme at Sagebrush-1 have entered their final phase, with detailed engineering substantially complete and final operational and logistical arrangements progressing towards commencement in November 2026. Howard McLaughlin is the Chief Executive Officer of Quantum Helium Limited.

Sagebrush Stimulation and Operations Update

(AIM:QHE) Quantum Helium Limited provided an update on the preparations for the next phase of stimulation and flow testing at its Sagebrush-1 helium discovery in Colorado, USA, where the company holds a 90% working interest. The detailed engineering and operational planning for a larger-volume, propped fracture stimulation programme is now substantially complete, with final treatment parameters being refined by experienced US fracture stimulation engineers. The programme is designed to improve reservoir connectivity and establish stronger, more sustainable helium-bearing gas flow rates. The treatment aims to access a broader section of the Leadville Formation, including potential connectivity with the deeper Lower Leadville dolomite. Quantum is completing contractor and equipment arrangements, including specialist pumping services, high-pressure tubing, water handling, and associated surface equipment. Final operational preparations are underway ahead of targeted field operations commencement in November 2026. Following the initial extended production test, Sagebrush-1 confirmed helium-bearing gas at approximately 2.5% helium. Quantum has undertaken a comprehensive engineering review to optimise the next phase of stimulation at Sagebrush-1. The larger-volume, propped fracture stimulation programme is designed to create and maintain conductive pathways within the Leadville reservoir, improving access to the helium-bearing formation and supporting stronger, sustained gas flow. The company is working closely with specialist fracture stimulation engineers to complete the final treatment specifications. Arrangements for high-pressure pumping operations, pressure-tested tubing, and associated surface equipment are being finalised to ensure the appropriate resources and equipment are in place. The primary objective is to demonstrate improved, sustainable flow rates from Sagebrush-1, providing the production data required to assess the next stage of commercial helium development. Operations remain targeted for November 2026, subject to final operational scheduling and equipment availability. Howard McLaughlin, Chief Executive Officer of Quantum Helium, stated that extensive engineering work has been undertaken alongside highly experienced fracture stimulation specialists to design a treatment that gives the best opportunity to establish stronger, sustainable gas flow rates from the Leadville reservoir. The company has already confirmed the presence of helium and demonstrated the scale of the reservoir structure. The focus is now on applying the appropriate engineering solution to improve reservoir connectivity and establish the flow characteristics required to advance Sagebrush towards commercial development. With the principal engineering work substantially complete, Quantum is finalising the equipment, contractor, and operational arrangements required to execute the programme.

Operational and Commercial Update

(AIM:QHE) Quantum Helium Limited has provided an operational and commercial update covering the next phase of its Sagebrush Project in Colorado, its broader drilling strategy, and a strategic non-core investment. IPT Well Solutions has recommended a conventional propped fracture stimulation of the Upper Leadville interval at Sagebrush-1, with a larger-volume treatment now being modelled. Detailed execution planning is underway, and Quantum is targeting commencement of the Sagebrush stimulation programme during Q4 2026, subject to regulatory approvals, service-company availability, and operational considerations. The Sagebrush programme is part of Quantum's wider Colorado development strategy, with further drilling activity across Sagebrush and Coyote Wash being progressed for 2027. The company has received confirmation that its OTC Markets quotation will go live on 22 September 2026 under the ticker QHELF, increasing accessibility for US-based investors. Quantum has approved a £250,000 strategic non-core investment in Herencia Resources plc, subscribing for 10,000,000 new ordinary shares at 2.5 pence per share as part of a wider £500,000 fundraising, and is expected to hold approximately 9.12% of Herencia's enlarged issued ordinary share capital. This investment values Herencia at £2.74 million. As at 31 December 2025, Herencia reported net liabilities of £1,926,000 and current unaudited pro forma net assets of £288,000 before Quantum's investment, with a reported loss of £11,000 for the period to 31 December 2025. The last share price before Herencia's suspension in February 2029 was 0.01 pence. As at 30 June 2026, Quantum held cash balances of approximately £5.505 million, with the £250,000 Herencia investment representing approximately 4.54% of that cash balance. The Herencia investment is classified as a related party transaction under AIM Rule 13 due to the directorships held by Carl Dumbrell and Graham Duncan in both companies. The Directors independent of the transaction, Andrew Scott and Nigel Harvey, having consulted with SP Angel Corporate Finance LLP, consider the terms of the Herencia Investment to be fair and reasonable for shareholders. Quantum remains well funded for its core exploration, development, operating, and working-capital requirements, and the Board believes the company has a strong platform for the next stage of growth. Executive Chairman Carl Dumbrell intends to purchase ordinary shares in Quantum in the market, subject to dealing clearance and regulatory requirements. The company is progressing technical and drilling plans across Sagebrush and Coyote Wash for 2027, and the Board sees a significant programme of potential catalysts ahead.

Sagebrush Update. Colorado Drilling Opportunities

(AIM: QHE) Quantum Helium Limited is providing an update on engineering work at its Sagebrush Project (90% Working Interest) and on additional drilling opportunities across its Colorado portfolio. The initial Sagebrush-1 Extended Production Test confirmed helium-bearing gas at approximately 2.5%, strong reservoir connectivity, rapid pressure recovery, and commercial oil in the Leadville Formation. Quantum expects the next programme to use a more extensive stimulation treatment to increase contact with the natural fracture network and improve sustained flow rates. Permit applications are being prepared for the near-term Little Ute SE and Yellow Jacket SE oil targets in the Sagebrush project area. Three larger follow-on prospects have also been identified: Mariano Wash SE and Sagebrush East within Quantum's existing project areas, and Lula within adjacent acreage. Quantum holds independently assessed gross 2U helium resources of 1.104 Bcf at Sagebrush and Coyote Wash. The company has provided all requested documentation for its proposed OTC Markets listing in the United States, with the application confirmed to be in good standing and the review process nearing completion.

3D Seismic and Reprocessing Programme

(AIM: QHE) Quantum Helium Limited announced the results of its comprehensive geological and geophysical evaluation programme across the Sagebrush, Coyote Wash and other nearby areas. Over the past twelve months, the Company completed high-resolution 3D seismic acquisition, reprocessing and reinterpretation of all available historic seismic data, and a comprehensive review of historic drilling, wireline logs and production data across its Colorado acreage. The technical evaluation has transformed Quantum's Colorado acreage from two established projects into a growing portfolio of future drilling opportunities, including two lower-risk drilling candidates identified as potential near-term wells with drilling targeted within approximately the next 12 months, subject to permitting and operational priorities. Three additional high-impact exploration prospects have been identified, representing substantially larger helium and oil opportunities for future drilling. The company has a substantial independently assessed helium resource base of more than 1 Bcf and existing oil production. Quantum's ongoing geological evaluation continues to generate additional exploration concepts across its Colorado acreage, providing further long-term growth potential. The company has several projects in the US, in addition to royalty interests in Australia.

H1 Oil Production Generates Over USD316,000

(AIM: QHE) Quantum Helium Limited announced that its first half oil production generated over US$316,000 in gross revenue from its Sagebrush Project (90% Working Interest) for the first half of 2026. The company reported second quarter gross oil revenue of US$207,975, representing an increase of approximately 92% on Q1 2026, and first half gross oil revenue of US$316,263. Gross oil production totaled 5,141 barrels during H1 2026, with the average realised oil price rising from US$57.44/bbl in Q1 to US$78.29/bbl in Q2. Additional oil sales were generated following the successful Sagebrush-1 extended production test, which confirmed commercial oil production together with helium-bearing gas from the Leadville Formation. Quantum Helium Limited holds independently assessed helium resources of more than 1 Bcf across the Sagebrush and Coyote Wash projects. The company expects to provide further updates in respect of Helium flow testing at Sagebrush in due course upon completion of the current programme.

Publication of OAK Securities Research Report

(AIM: QHE) Quantum Helium Limited announced that OAK Securities has published an independent research report on the Company, which is now available on the Quantum Helium website. The report highlights Quantum's Colorado helium portfolio and recent operational achievements at Sagebrush, including a successful Sagebrush-1 extended production test confirming helium concentrations of 2.5%. Quantum is recognised as having more than 1 Bcf of independently assessed helium resources across the Sagebrush and Coyote Wash projects. The Company completed a £5 million institutional capital raise in April 2026, resulting in a strong financial position. OAK Securities' valuation analysis indicates material upside to the current Quantum Helium share price. The Company has several projects in the US, in addition to royalty interests in Australia. Multiple near-term operational catalysts have been identified across the Company's Colorado helium portfolio.

Successful EPT confirms Helium plus Commercial Oil

(AIM: QHE) Quantum Helium Limited announced the successful completion of the Extended Production Test (EPT) at the Sagebrush-1 well in Colorado, where the Company holds a 90% working interest. Laboratory analysis confirmed helium concentrations of 2.5% in recovered gas samples, significantly above typical industry concentrations of approximately 0.3% to 1.0%. More than 80 barrels of oil have been recovered during testing operations to date, with initial testing and reservoir analysis indicating potential oil production rates of up to 40 barrels per day gross to working interest. The Sagebrush Project hosts a Sproule ERCE independently verified 2U gross helium resource of 134 MMscf, and together with the 0.97 BCF 2U gross helium resource at Coyote Wash, Quantum's total independently certified 2U gross helium resource base stands at 1.104 BCF across its Colorado portfolio. Pressure build-up reached approximately 90% of virgin reservoir pressure as measured by downhole gauges following acid fracture stimulation. The company projects that ongoing cleanup operations will enable a more representative evaluation of long-term gas deliverability and expects to inform flow rate potential from the Leadville following ongoing clean up operations. Additional perforations and completion modifications are underway to increase reservoir exposure and accelerate further required cleanup, with existing production equipment on site to support longer-term operations.

Q1 2026 Oil Production & Corporate Update

(AIM: QHE) Quantum Helium Limited announced Q1 2026 gross oil production of 2,482 barrels from its Sagebrush Project in Colorado, in which it holds a 90% working interest. Gross revenue before royalties, taxes and operating costs for the quarter was US$108,288, with an average realised oil price of US$57.44 per barrel. The company reported that oil production from the wider Sagebrush field continues, with Sagebrush-1 currently dedicated to the ongoing extended production test programme. Quantum is investigating a potential secondary listing on the OTC market in the United States and has proposed a share consolidation as announced on 3 June 2026. The company expects overall field production during Q2 2026 to be lower than recent quarters while the extended production test at Sagebrush-1 remains ongoing. Quantum's core helium and hydrocarbon assets are located in Colorado, USA, and the company has several projects in the US, in addition to royalty interests in Australia. The company projects that oil production from the Sagebrush field will continue alongside its helium-focused activities.