Mr. Dave Ryan reports

PHASE 2 DRILL PROGRAM COMMENCES AT GREEN MONSTER PROJECT IN NEVADA

The phase 2 drill program at Glenstar Minerals Inc.'s Green Monster project in Nevada has begun. Alloy Drilling of Elko, Nev., mobilized its crew and equipment over the weekend and has commenced drilling.

Utilizing a track-mounted reverse circulation drill, nine holes will be collared over four targeted locations along 300 metres of strike length. Two holes are targeted in the area where the primary drilling was undertaken in the phase 1 drill program. Three holes will focus on the area that is considered the discovery zone 150 metres to the west of the primary phase 1 drill site, and two holes each at two sites will be situated farther west along what is believed to be the mineralized east-west-trending belt.

Drill hole locations in this phase 2 program have been determined following review of the geophysical data accumulated during the recent hybrid-source audio-magnetotellurics survey that was conducted in November by Hasbrouck Geophysics Inc. (see news release dated Oct. 29, 2025).

Glenstar chief executive officer Dave Ryan stated: "We are pleased to begin the phase 2 drill program at Green Monster before the Christmas holiday and very much look forward to hopefully positive results from each hole but, particularly, what we will see from the three holes planned at the discovery zone. This is a very exciting time for Glenstar and its shareholders."

The phase 1 drill program, which was conducted in May, 2025 (see news release dated July 16, 2025), encountered a new mineralized zone that is approximately 10 metres (32 feet) wide and is centred on a very high-grade zinc occurrence that is greater than 30 per cent, and a significant assay result of up to 177 parts per million of silver (5.7 ounces per ton), 523 ppm of nickel (0.0523 per cent), cobalt up to 91.9 ppm (.0019 per cent) and copper that is greater than 0.36 per cent according to assay results provided by ALS in Vancouver, B.C. The nickel and cobalt percentages reported are subjectively classified as highly anomalous for the geological structure as well. Mineralization in this hole was intersected at depths from approximately 131 metres (approximately 430 feet) to approximately 142 metres (approximately 465 feet), and occurs in the hangingwall of the Green Monster fault zone (see news release dated July 16, 2025).

Project background and recent exploration work

The Green Monster property is composed of 35 federal lode claims covering approxiimately 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 reverse circulation 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 metres of 3.77 per cent copper, 3.06 per cent nickel, 0.21 per cent cobalt and 6.83 per cent 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 sulphide-bearing boulders directly downhill of the patented workings has confirmed the presence of very high zinc (greater than 10 per cent) and silver (greater than 200 ppm), as well as copper, uranium and lead. (Sampling results provided above were previously published in the Green Monster project National Instrument 43-101 technical report dated June 20, 2023, Section 7.5).

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 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, PGeo (Ontario), is the qualified person as defined by National Instrument 43-101 and is the independent consulting geologist for Glenstar, 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.

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