Glenstar Completes Initial Drilling at Wildhorse Project, Nevada

News provided by Glenstar Minerals Inc May 13, 2026, 10:54 ET Share this article Share to X Share this article Share to X VANCOUVER, BC , May 13, 2026 /PRNewswire/ - Glenstar Minerals Inc. (CSE: GSTR, OTCQB: GSTRF , FRA: VO20) (" Glenstar " or the " Company ") announces that the Phase 1 reverse circulation drill program at the Company's Wildhorse Project in Mineral County, Nevada, (see news release dated April 14, 2026), has been completed, with a total of six reverse circulation drill holes being completed at the Rattlesnake Zone, in addition to four holes previously reported at the Coca Cola Zone (see news release dated April 29, 2026). Continue Reading Reverse Circulation drill rig at the Wildhorse Project’s Rattlesnake Zone in Mineral County, Nevada Field work and observations during this initial drill program suggest this zone is part of a larger area that may host a high-grade polymetallic system (CNW Group/Glenstar Minerals Inc) Each of these six holes explored the Rattlesnake Zone's down dip extension 85 to 110 meters east of outcropping mineralization which were worked by a series of historic decline developments. All holes drilled showed intervals of strong alteration with quartz veinlets contained within a strongly foliated meta sedimentary host rock.

Contacts between this receptive host rock and a feldspar porphyry intrusive rock are particularly well altered, with visual mineralization containing abundant oxide minerals and quartz veinlet swarms. The overall plan of the drilling at Rattlesnake was to target the area believed to be the core of a high-grade polymetallic system that previously showed promising results. This style of mineralization is being intersected both at depths of 100 to 150 meters down hole, as well as at near surface positions on hole RTSRC-3 and hole RTSRC-6, where strong quartz veinlet development is present at 0 to 25 meters down hole.

The visual results of the drilling at Rattlesnake continues to indicate strong potential for a polymetallic resource discovery in both near surface and in the down dip extensions of the historic working positions. As a result of observations in the field during the drill program, the total number of feet drilled at Wildhorse increased from a planned 3,500 feet to 4,300 feet. Project Geologist and Exploration Manager Bob Marvin stated, " The drilling program at the Wildhorse Project went as well as could have been expected and we are very pleased to have intersected what appears to be robust area-wide occurrences of poly sulfide mineralization in the Rattlesnake Zone.

Hopefully the assay numbers will confirm the extent and degree of mineralization that visual observations suggest is considerable and widespread". Project Background 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 1800'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 claims 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 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 alteration 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.sedarplus.ca 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. We seek safe harbour.

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