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GPS.V ·

Great Plains Metals Corp – Everton Project Update

Corporate Updates

Great Plains Metals Corp.

Contact: Investor Relations Wednesday, November 5, 2025

Phone (604) 684-2181 (No.2025-11-10)

Great Plains Metals Corp – Everton Project Update

Vancouver, BC, Canada – Wednesday, November 5, 2025 - Great Plains Metals Corp.

("GPS" or "the Company", TSX-V: GPS, Frankfurt Exchange: 8VC) is pleased to

announce progress at the Everton Project and the completion of conditions precedent

regarding the 100% acquisition of the Everton Project that was announced on 13 March

2025.

Highlights:

• GPS completes the 100% acquisiton of the Everton Project

• Land Access Agreement signed

• Work program underway and drilling planned for Q1 2026

• Potential mineralization hosted in an undrilled porphyry system

Following completion of the conditions precedent a process has commenced to transfer

the Exploration License 00834 (EL00834) to GPS wholly owned subsidiary, GPS

Everton Pty Ltd.

The Everton Project

The Everton Project is located in northern Victoria, Australia (Figure 1) and contains the

historical molybdenum mine that was a small surface open-cut and shallow

underground mine between 1917 and 1944, and produced approximately 306 tons of

molybdenum concentrate at a mill grade of 1.4% molybdenum disulfide (MoS₂) from two

steeply plunging circular “pipe-like” ore bodies. Production was limited to a maximum

depth of forty-five metres.

Accessory minerals included finely-disseminated pyrite, and copper in the form of

azurite and malachite from a “pegmatite” dyke reportedly present north of the historic

mine. Recent detailed geological mapping of the old workings identified previously

unrecognized cupola textures, Unidirectional Solidification Textures (USTs), indicating

mineralization is hosted in the uppermost part of an undrilled porphyry molybdenum +/-

copper system (Figure 2). USTs are a key indicator in idenitfying pencil porphyry

mineralization (Figure 3).

The molybdenum deposits in northern Victoria, Australia, are associated with late-stage,

post-orogenic, I-type granitic intrusions within the Palaeozoic Lachlan Fold Belt. This

magmatism and associated mineralization is linked to the Early Devonian period and, in

some cases, the onset of the Kanimblan Orogeny.

Everton Project Work Program

A Land Access Agreement has been signed that will allow for exploration work to take

place on the ground including drilling. Additional geological mapping is planned to

further refine targets for shallow drilling that is planned for the first quarter of 2026 to

test the potential for pencil porphyry-related molybdenum and copper mineralization.

Molybdenum

Molybdenum is considered a critical mineral by several countries including the USA and

Canada. In December 2023, Australia added molybdenum to its list of critical minerals.

Molybdenum is essential for modern technologies, economies and national security. It’s

used in steel alloys to improve strength, resistance to corrosion and heat, and to reduce

brittleness.

The key market drivers are the demand from the steel industry; growing adoption of

chemical and electrical industries; and expansion of aerospace and defense

applications. Molybdenum is also an essential component of radiation shielding

materials used in space travel including by Space Exploration Technologies Corp

(“SpaceX”).

Aidan Bishop, CEO, commented:

“Signing the land access agreement at Everton is a significant step forward for GPS that

paves the way for our continued work program. The identification of previously

unrecognized cupola textures at the historic Everton Mine as well as the occurrence of

USTs is potentially exciting and presents GPS with clear high value drill targets for the

first quarter of 2026.”

The Company has issued 2,000,000 shares (“Consideration Shares”) to Great Pacific

Gold Corp (TSXV:GPAC). The Consideration Shares have certain restrictions including

such that no shares may be disposed of for a period of six months following issuance.

Qualified Person: The scientific and technical data contained in this news release, has

been reviewed and approved by Douglas J. Kirwin, who serves as the qualified person

(QP) under the definition of National Instrument 43-101.

Figure 1. Map showing location of the Everton Project EL00834 in Victoria Australia

Figure 2. Everton Mine

Figure 3. Unidirectional Solidification Textures (USTs) with Molybdenum mineralization

GREAT PLAINS METALS CORP.

For further information, please contact:

Peeyush Varshney

Phone: (604) 684-2181

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 press release.

Cautionary Note Regarding Forward-Looking Statements

This news release contains certain statements that may be deemed “forward-looking

statements.” Forward-looking statements are statements that are not historical facts and

are generally, but not always, identified by the words “expects”, “plans”, “anticipates”,

“believes”, “intends”, “estimates”, “projects”, “potential” and similar expressions, or that

events or conditions “will”, “would”, “may”, “could” or “should” occur. Although the

Company believes the expectations expressed in such forward-looking statements are

based on reasonable assumptions, such statements are not guarantees of future

performance and actual results or realities may differ materially from those in forward

looking statements. Forward looking statements are based on the beliefs, estimates and

opinions of the Company’s management on the date the statements are made. Except

as required by law, the Company undertakes no obligation to update these forward-

looking statements in the event that management’s beliefs, estimates or opinions, or

other factors, should change.

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 press release.