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Glenstar to Attend American Exploration & Mining Association Annual Meeting IN Nevada

Shareholder Meetings

1140-625 Howe Street, Vancouver, British Columbia V6Z 1C2, Canada

GLENSTAR MINERALS INC.

FOR IMMEDIATE RELEASE

GLENSTAR TO ATTEND AMERICAN EXPLORATION & MINING

ASSOCIATION ANNUAL MEETING IN NEVADA

VANCOUVER, BC, CANADA: November 26, 2025 – Glenstar Minerals Inc. (CSE: GSTR, OTCQB:

GSTRF, FRA: VO20) (“Glenstar” or the "Company") is pleased to announce that senior executives of

the Company , along with its project geologist , will be attending the American Exploration & Mining

Association (“AEMA”) annual meeting, which is being held in Sparks, Nevada, December 7 – 12 at the

Nugget Casino Resort.

Glenstar will be providing attendees with the latest information and updates regarding both the Green

Monster Project, and Wildhorse Project in the core shack area of the main presentation hall at Booth

#13. Company geologist Robert Marvin will be on hand to discuss the state of the current exploration

programs on both projects and will be providing the latest geological data sets from the various

exploration initiatives, and their results, undertaken over the past eight months.

According to Mr. Marvin, “The AEMA meeting is a great forum to showcase Glenstar’s projects to

industry professionals , and other various stakeholders, and present the latest information

available from our exploration programs on each property to date , a s well as discuss the

potential of each of the projects going forward”.

Project Background & Recent Exploration Work

The Green Monster Property is comprised of 35 federal lode claims covering ~700 acres located in

Clark County, Nevada, on the west trending spur of the Spring Mountains and is approximately 40 miles

southwest of Las Vegas. Until the recent drill program in May of 2025, no drilling was ever conducted

on the property, but the Company’s previous identification of robust nickel-copper with anomalous cobalt

from sampling work done in 2022 indicated that several targets were ideal for shallow RC drilling (see

news releases dated May 28, 2025, and July 16, 2025).

Glenstar acquired the Green Monster Property and conducted initial groundwork in 2022 that included

reconnaissance geologic mapping, surface rock sampling, soil sampling, and a drone magnetic survey.

Channel sampling across the exposed back of a raise off the main shaft returned 1.18 meters of 3.77%

Cu (Copper), 3.06% Ni (Nickel), 0.21% Co (Cobalt) and 6.83% Zn (Zinc). These values are well in

excess of select dump samples from historical underground workings and represent in-place, vein style

mineralization. Sampling of oxide and sulfide bearing boulders directly downhill of the patented workings

has confirmed the presence of very high zinc (>10%) and silver (>200ppm), as well as copper, uranium,

and lead. (Sampling results provided above were previously published in the Green Monster Project NI

43-101 Technical Report dated June 20, 2023, Section 7.5).

The Wildhorse Property is comprised of 89 mineral claims, representing 1,780 acres (720 hectares)

in Mineral County, Nevada , and was initially targeted after compilation of all available data, including

notes of a 1975 field examination contained in the Anaconda Company archives housed at the

university of Wyoming. The claims show historical workings that appear to date from the late 18 00’s

and early 1900’s. Other claim stakes that the geological team discovered on the property indicate the

last time the area was staked was 2011, however, these cl aims were never registered with the BLM.

Preliminary geological assessment of the claims, and the area in general, indicate there are a series

of east dipping mineralized zones. Initial field examination of the property identified and sampled a

1140-625 Howe Street, Vancouver, British Columbia V6Z 1C2, Canada

quartz veinlet zone containing in excess of 1 gram per ton gold, 1% copper, and 6,100 ppm of antimony.

It was also reported that outcropping zones also contain bismuth and tungsten, which points to a

focused intrusive source for the epidote skarn alteratio n and poly-metallic system (see news release

dated February 11, 2025)

About Glenstar Minerals Inc.

Glenstar is a mineral exploration company with a focus on polymetallic minerals. These elements are

classified as critical minerals and are essential in the manufacturing of sophisticated electronics and

other vital energy technologies. The Company’s mission is to leverage its knowledge and connections

to explore, acquire, and develop critical mineral and energy metal properties throughout the world.

Glenstar’s shares trade on the Canadian Securities Exchange (CSE) under the symbol "GSTR", on the

Frankfurt Stock Exchange under the symbol "VO20", and on the Over-the-Counter market (OTCQB) in

the United States under the symbol “GSTRF”.

Robert Marvin, P.Geo (ONT) is the qualified person as defined by National Instrument 43 -101 and is

the independent consulting geologist for Glenstar Minerals Inc., who has examined the Green Monster

and Wildhorse properties on the ground numerous times since 2022 and 2024 respectively. All fieldwork

relating to geologic observations and sampling as reported herein, has been directly overseen by Mr.

Marvin who supervised the preparation of, and has reviewed and approved, the technical information in

this release.

ON BEHALF OF THE BOARD

“David Ryan”

President & CEO

Further information regarding the Company can be found on SEDAR+ at www.sedarplus.ca, by visiting

the Company's website at www.glenstar.ca or by contacting the Company directly at 604-449-2810.

Neither Canadian Securities Exchange nor its Regulation Services Provider (as that term is defined in policies of the Canadian

Securities Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Statement Regarding Forward-Looking Information Certain information contained in this news release constitutes

“forward-looking information” or “forward-looking statements” (collectively, “forward- looking information”). Without limiting the

foregoing, such forward-looking information includes statements regarding the process and completion of any Offering, the use

of proceeds of the Offering and any statements regarding the Company’s business plans, expectations and objectives. In this

news release, words such as “may”, “would”, “could”, “will”, “likely”, “believe”, “expect”, anticipate”, “intend” , “plan”, “estimate”

and similar words and the negative form thereof are used to identify forward-looking information.

Forward-looking information should not be read as guarantees of future performance or results, and will not necessarily be

accurate indications of whether, or the times at or by which, such future performance will be achieved. Mineral exploration is

subject to risks and uncertainties and there is no assurance that any potential results or findings that may be suggested in this

press release will ultimately happen. Forward-looking information is based on information available at the time and/or the

Company management’s good faith belief with respect to future events and is subject to known or unknown risks, uncertainties,

assumptions and other unpredictable factors, many of which are beyond the Company’s control. For additional information with

respect to these and other factors and assumptions underlying the forward-looking information made in this news release, see

the Company’s most recent Management’s Discussion and Analysis and financial statements and other documents filed by the

Company with the Canadian securities commissions and the discussion of risk factors set out therein. Such documents are

available at www.sedar.com under the Company’s profile and on the Company’s website. The forward-looking information set

forth herein reflects the Company’s expectations as at the date of this news release and is subject to change after such date.

This release may contain certain forward ‐looking statements with respect to the financial condition, results of operations and

business of the Company and certain of the plans and objectives of the Company with respect to the same. By their nature,

forward‐looking statements involve risk and uncertainty because they relate to events and depend on circumstances that will

occur in the future and there are many factors that could cause actual results and developments to differ materially from those

expressed or implied by these forward‐looking statements.

1140-625 Howe Street, Vancouver, British Columbia V6Z 1C2, Canada

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any

sale of securities in any state in the United States in which such offer, solicitation or sale would be unlawful. The sec urities

referred to herein have not been and will not be registered under the United States Securities Act of 1933, as amended, and

may not be offered or sold in the United States absent registration or an applicable exemption from registration requirement s.

This release may contain statements within the meaning of safe harbour provisions as defined under securities laws and

regulations. We seek safe harbour.