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Gamma Resources Announces Successful Renegotiation of Loan Facility

Financings Debt & Credit Facilities

Gamma Resources Announces Successful

Renegotiation of Loan Facility

VANCOUVER, British Columbia, September 19, 2025 – Gamma Resources Ltd. (TSX -V:

GAMA; OTCPK: MLLOF; Frankfurt: MRDN) (“Gamma” or the “ Company”) is pleased to

announce that it has successfully renegotiated the terms of its existing promissory note (the

“Note”) with two US investors (the “Lenders”) , providing the Company with enhanced flexibility

and reinforcing the strong, cooperative relationship between the parties.

Under the revised terms, Gamma has agreed to a modified repayment schedule designed to

better align with the Company’s business plan and upcoming uranium asset development

initiatives. This updated framework is expected to provide a balanced solution offering repayment

certainty for the Lenders while giving Gamma the flexibility to raise capital, advance its projects,

and create long-term value for all stakeholders.

In addition, the Lenders have indicated a willingness to consider converting of a portion of the

Note into equity at appropriate times in the future, further demonstrating their confidence in

Gamma and its long-term growth potential. Importantly, the Lenders have reaffirmed their support

for Gamma and its stakeholders, expressing their commitment to working cooperatively with

management to advance the Company and its new initiatives.

Gabriel Alonso-Mendoza, President and CEO of Gamma Resources, commented, “We are very

pleased to have reached amended terms that provide Gamma with the flexibility needed to

advance our uranium asset development plans while remaining committed to meeting o ur

obligations. These changes come at a pivotal time, as we focus on unlocking the potential of our

portfolio and positioning the Company for growth amid a uranium market supported by strong,

long-term fundamentals. We greatly appreciate the continued conf idence and support of our

Lenders, as we work together to create lasting value for all stakeholders.”

Summary of the Revised Note

The Note was originally issued on August 2, 2022, in the principal amount of US$1,150,000,

bearing interest at 5%, and included an original issue discount of US$150,000, resulting in net

proceeds to the Company of US$975,000. The current outstanding balanc e of the Note is

US$1,106,641.

1. Immediate Good-Faith Payments

● C$200,000 cash payment upon closing of Gamma’s first equity financing tranche. (Paid)

● C$100,000 cash payment upon closing of the second equity financing tranche.

2. Revised Repayment Schedule

● C$250,000 by December 31, 2025.

● C$250,000 by March 31, 2026.

● C$350,000 by June 30, 2026.

● C$350,000 by September 30, 2026.

(Note: these represent outside dates; Gamma may settle earlier if circumstances allow.)

Gamma’s long-term approach to resolving this legacy facility is underpinned by its diversified

asset base and strategy to responsibly advance its portfolio. The Company’s current assets

include cash on hand, lease -to-acquire agreements covering two advance d-stage uranium

projects in Utah and New Mexico, its proprietary rare earths processing technology, equity and

royalty interests in ACDC Metals Ltd. (ASX: ADC), and other potential sources of value under

review. Collectively, these provide Gamma with a range of options to meet its obligations, support

ongoing operations, and unlock future growth opportunities.

About Uranium and Nuclear Energy

Uranium and nuclear energy are central to U.S. strategic, environmental, and economic

objectives.1 As global demand for decarbonized, reliable baseload power increases and as the

U.S. seeks to reduce dependence on foreign suppliers for critical inputs in the nuclear fuel cycle

domestic uranium supply, mining, conversion, enrichment, and fuel fabricatio n have become

matters of national priority.2 Government policies and recent legislation have aimed at bolstering

the domestic nuclear industrial base, expanding uranium reserves, and streamlining regulatory

paths for advanced reactors.3

For Gamma, this environment presents an aligned opportunity. Gamma’s uranium -focused

projects, growing asset base, and strategic positioning give it the potential to contribute

meaningfully to U.S. and allied energy supply security. The company’s lease -to-acquire

agreements on uranium assets, combined with its equity interests in the REE sector via ACDC

Metals, enable Gamma to benefit from rising demand for clean, secure energy sources—all while

aligning with broader U.S. policy goals around energy sovereignty, carbon reduction, and supply

chain resilience.

About Gamma’s Uranium Projects

As part of its long-term growth strategy, Gamma is advancing a portfolio of uranium projects in

the United States, providing exposure to high-potential districts and aligning the Company with

U.S. energy security and clean power objectives. Gamma is looking forward to beginning

exploration work in the last quarter of 2025.

Green River Uranium Project – Utah

The Green River Project, located in Emery County’s San Rafael Mining District, consists of 41

unpatented lode mining claims targeting uranium mineralization within the Salt Wash member of

the Morrison Formation. Situated just 11 km from the Maverick Minera ls uranium/vanadium

1 https://www.energy.gov/articles/restoring-americas-competitive-nuclear-energy-advantage

2 https://www.eia.gov/todayinenergy/detail.php?id=64444

3 https://www.whitecase.com/insight-alert/government-initiatives-fueling-nuclear-energy-growth-united-states

processing plant and adjacent to Western Uranium & Vanadium Corp’s San Rafael Project, the

area is surrounded by notable deposits such as Deep Gold, Down Yonder, 4484 Deposit, North

Deposit, and Jackrabbit, which collectively host significant historical resources. Additionally, three

nearby mines — Snow, Lucky, and Probe — produced approximately 1,000,000 lbs of U ₃O₈

between 1973 and 1982. While mineralization on adjacent properties may not be indicative of

results at Green River, the claims are royalty -free and benefit from existing exploration

infrastructure and data, with geology supportive of potential ISR development.

Mesa Arc Uranium Project – New Mexico

The Mesa Arc Project, located in northern New Mexico, now encompasses 226 federal lode

mining claims following Gamma’s recent staking of an additional 185 claims. The district has a

well-documented history of uranium production and mineralization, with pri or drilling confirming

uranium-bearing zones. In 2006, Magnum Uranium Corp. completed an internal, non -NI 43-101

compliant resource estimate indicating 2.5 to 3.0 million pounds of U ₃O₈ on the project claims.

With potential for strike and down-dip extensions remaining open.4

About Gamma’s Rare Earths Processing Technology

Gamma Resources, through its wholly owned subsidiary Medallion Resources, owns the

Medallion Monazite Process (MMP), a proprietary, technology designed to extract rare earth

elements (REEs) from monazite, a by -product of heavy mineral sand mining. The proc ess

provides a sustainable alternative to conventional extraction methods, producing a high -value

mixed rare earth concentrate with minimal environmental impact.

Gamma has licensed this technology to ACDC Metals Ltd. (ASX:ADC) which holds monazite rich

heavy mineral sand properties in Victoria, Australia. Gamma received an initial 4.8 million ACDC

4 The historical mineral resource estimates quoted for the Mesa Arc Project are sourced from internal resource calculations per formed by Magnum

Uranium Corp. on 6/30/2006. Grade -thickness maps were published and a 'Thiessen Polygon Method' was used to calcul ate the resource estimates.

There was no supporting technical report published with the resource calculation.

Data from summary logs of each drill hole giving the depth, thickness and grade of theintercept, was incorporated into a spreadsheet. All uranium grades

were given in Ueq(equivalent uranium as determined by down -hole probe). A disequilibrium ratio of Ueq x 1.29 -0.001 was used to estimate the true

grade. The true grade x thickness value was then assigned to each polygon. These intercepts were added and a volume was calcu lated for each hole

based on the area x thickness. A tonnage factor of 16 was used in th e calculation based on the average density of sandstone. A tonnage was assigned

to each polygon (cubic feet of a polygon/16 tons), then the pounds of U3O8 for each polygon was determined. Cut off grade in the calculations was .02

Ueq.

The historical mineral resource estimates for the nearby deposits held by third parties near the Green River Project use indi cated and inferred mineral

resource categories and are believed to have the same meaning per those resource categories set out in sections 1.2 and 1.3 of the NI 43-101 Standards

of Disclosure for Mineral Projects.

Select historic drill holes shall be twinned to verify grade. Any historic holes remaining open could be probed to verify gra de.

The above information was derived from historical information that has not been verified or confirmed by a Qualified Person ( as defined below). Such

information will be used to assist the Company in plans for ongoing work on the properties, but the reader is cautioned that results may not be repeated.

No Qualified Person has done sufficient work to classify the historical estimates as current mineral resources or mineral res erves and the Company is

not treating the historical estimates as current mineral resources or mineral reserves.

Management cautions that past results on adjacent properties are not necessarily indicative of the results that may be achiev ed on the Projects being

acquired.

Metals shares, with the potential to increase its holding to approximately 8.05 million shares

through performance milestones tied to pilot plant completion and commercial production.

Qualified Person

Mr. Mark Saxon (FAusIMM, MAIG) a “qualified person” for the purposes of National Instrument

43-101 – Standards of Disclosure for Mineral Projects (a “Qualified Person”) and a director of the

Company has reviewed and approved the scientific and technical disclosure in the news release.

About Gamma Resources Ltd.

Gamma Resources Ltd. is a U.S. -focused uranium exploration and development company

advancing high-quality assets in the Mountain West region. The Company’s portfolio includes the

Green River Project in Utah, comprising 1,100 acres near prominent regional producers, and the

Mesa Arc Project in New Mexico, a strategic land position now totaling 4,520 acres that includes

historic uranium resources in the Chama Basin. Management believes the Company is uniquely

positioned to benefit from the unprecedented polic y and market tailwinds reshaping the U.S.

nuclear landscape, and help meet this demand with responsibly sourced, U.S. -based uranium

supply.

Gamma trades on the Toronto Venture Exchange (TSX-V: GAMA), OTC (OTCPK: MLLOF) and

Frankfurt (FRA: MRDN).

For Further Information

Mr. Gabriel Alonso-Mendoza, President and CEO

Email: [email protected]

Tel: (833) 854-6826

Website: www.gammaresourcesltd.com

Forward-looking Statements

NEITHER THE TSX VENTURE EXCHANGE NOR ITS REGULATION SERVICES PROVIDER

(AS THAT TERM IS DEFINED IN THE POLICIES OF THE TSX VENTURE EXCHANGE)

ACCEPTS RESPONSIBILITY FOR THE ADEQUACY OR ACCURACY OF THIS RELEASE.

STATEMENTS IN THIS NEWS RELEASE, OTHER THAN PUR ELY HISTORICAL

INFORMATION, INCLUDING STATEMENTS RELATING TO THE COMPANY'S FUTURE

PLANS AND OBJECTIVES OR EXPECTED RESULTS, MAY INCLUDE FORWARD -LOOKING

STATEMENTS. FORWARD -LOOKING STATEMENTS ARE BASED ON NUMEROUS

ASSUMPTIONS AND ARE SUBJECT TO ALL OF THE R ISKS AND UNCERTAINTIES

INHERENT IN RESOURCE EXPLORATION AND DEVELOPMENT. AS A RESULT, ACTUAL

RESULTS MAY VARY MATERIALLY FROM THOSE DESCRIBED IN THE FORWARD -

LOOKING STATEMENTS.

NOT FOR DISTRIBUTION TO U.S. NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE

UNITED STATES.