Glenstar Minerals submits 860 drill samples for assay

Vancouver, British Columbia--(Newsfile Corp. - May 20, 2026) - Glenstar Minerals Inc. (CSE: GSTR) (OTCQB: GSTRF) (FSE: VO20) (" Glenstar " or the " Company ") announces that it has submitted a total of 860 samples obtained from the recently completed reverse circulation drill program at the Wildhorse Project in Mineral County, Nevada (see news release dated May 13, 2026). The samples were sent to Paragon Geochemical Inc. of Sparks, Nevada, and the Company anticipates it will receive the assay results in approximately 30 to 45 days. The Company also announces that it has engaged Blossom Social Inc. (" Blossom "), one of North America's leading social investing platforms with over 700,000 retail investors across North America.

Glenstar will launch an interactive campaign on the Blossom platform designed to educate retail investors about mineral exploration and resource development in the publicly traded, junior mining venture investing sector. The term of the engagement is for one year and Glenstar will compensate Blossom the amount of CDN $26,000 for access to the retail investor database and ongoing lead generation activities. 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".

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. 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 securities 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 requirements.

This release may contain statements within the meaning of safe harbour provisions as defined under securities laws and regulations. We seek safe harbour. To view the source version of this press release, please visit https://www.newsfilecorp.com/release/298110 Source: Glenstar Minerals Inc.