GSP Resource retains 100% interest in Olivine Mountain project

Vancouver, British Columbia - TheNewswire – August 21, 2026: GSP Resource Corp. (TSX-V: GSPR / FSE: 0YD / OTC: GSRCF) (the “Company” or “GSP”) announces that the option granted to Full Metal Minerals Ltd. (“Full Metal”) to earn a 60% interest in the Company’s 100% owned Olivine Mountain property in the Similkameen Mining Division, British Columbia (the “Property”) has terminated, and the Company has retained its 100% ownership interest in the Property. The Property is no longer subject to any earn-in right or other interest in favour of Full Metal.

Full Metal was granted the option pursuant to a letter agreement dated February 24, 2020, as amended from time to time (the “Option Agreement”), which was accepted for filing by the TSX Venture Exchange on April 15, 2021 (see the Company’s news releases dated February 26, 2020 and April 30, 2021). Full Metal completed the initial cash payment of $40,000 and issued 100,000 common shares of Full Metal to GSP, and made certain subsequent payments to GSP; however, Full Metal did not complete the cash payments, share issuances and exploration expenditures required to exercise the option, and all deadlines under the Option Agreement, as extended, have passed without the option being exercised. Full Metal has confirmed that it has abandoned the option.

During the option period, Full Metal commissioned an independent technical report on the Property prepared in accordance with National Instrument 43-101 (the “2020 Technical Report”), authored by A. Koffyberg, P.Geo, of Discovery Consultants, with an effective date of July 27, 2020. The 2020 Technical Report summarizes exploration completed on the Property, including the work carried out by GSP in 2018 and 2019, and recommends a two-phase follow-up exploration program. The 2020 Technical Report was filed under Full Metal’s issuer profile on SEDAR+ at www.sedarplus.ca (see Full Metal’s news release dated April 28, 2021).

Simon Dyakowski, Chief Executive Officer of GSP, commented: “The return of a 100% interest in Olivine Mountain comes at no cost to the Company and adds a drill-ready copper-gold-PGE project back into our portfolio outright. Olivine Mountain has benefitted from modern airborne geophysics, an extensive soil geochemistry grid and a maiden diamond drill program, and hosts a large, underexplored land position within the prospective Tulameen ultramafic complex. We look forward to evaluating the recommended follow-up exploration program for the Property.”

Olivine Mountain Project – Overview and Highlights

Location and access: The Property comprises 29 contiguous mineral titles covering approximately 3,022 hectares in the Similkameen Mining Division, approximately 25 km west of Princeton, British Columbia, with year-round road access via the Coalmont Road and the Blakeburn forestry service road.

Geological setting: The Property lies within the Late Triassic Tulameen ultramafic-mafic complex, an Alaskan-type zoned intrusion. The Tulameen district was historically North America’s most important producer of placer platinum in the late 1800s. The Property hosts several copper showings – the Asp, Asp 14, RC and Hop showings – with mineralization occurring as bornite and chalcopyrite hosted in gabbroic rocks.

High-grade surface sampling: A select surface sample of a high-grade chalcopyrite stringer at the Hop showing assayed 23.0 g/t gold, 89.5 g/t silver and 7.49% copper, and a sample from the Asp 14 showing returned 4.74% copper (see the Company’s news release dated December 11, 2018). Select samples are by their nature not representative of mineralization hosted on the Property.

2018 airborne geophysics: A 370 line-kilometre airborne survey outlined a magnetic anomaly of approximately 1,500 m x 900 m, with a superimposed strong conductive body of approximately 100 m x 900 m, located approximately 750 m south of the RC and Asp showings (see the 2020 Technical Report).

2018 soil geochemistry: Approximately 1,750 soil samples collected on a 3 km x 3 km grid outlined a northwest -trending copper-in-soil anomaly across the central grid area, with coincident anomalous nickel, palladium and gold values (see the Company’s news releases dated February 13, 2019 and February 14, 2019)

2019 maiden drill program: Seven diamond drill holes totalling 1,200 m tested geochemical and geophysical targets. Highlights include 7.8 m of 0.27% Cu, 1.12 g/t Ag and 0.17 g/t Au (DDH-5, from 129.2 m); 10.1 m of 0.12% Cu including 0.5 m of 0.83% Cu (DDH-5, from 89.6 m); and 7.0 m of 0.22% Cu including 0.5 m of 0.49% Cu (DDH-4B, from 60.0 m) (see the Company’s news release dated January 15, 2020). Reported intersections are core lengths; true widths have not been determined.

Qualified Person: The scientific and technical disclosure contained in this news release has been reviewed and approved by Christopher I. Dyakowski, P.Geo., a director of the Company and a “Qualified Person” as that term is defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects . Mr. Dyakowski has verified the data disclosed, which includes a review of the sampling, analytical and test data underlying the information and opinions contained herein. Mineralization hosted on nearby properties is not necessarily indicative of mineralization that may be hosted on the Olivine Mountain property.

Marketing and Investor Awareness Engagement

The Company has engaged Hillside Consulting and Media Inc. (“Hillside”), a British Columbia-based firm, to assist in continuing marketing and investor relations efforts, for a period of two months. The Company has paid Hillside a fee of $50,000 (Canadian) plus applicable taxes for this engagement period. Hillside will provide digital marketing services, including SEO (search engine optimization), e-mail and social media outreach, and content creation, including video, in order to increase corporate awareness. The media disseminated will be generated using publicly available information. Hillside and its affiliates currently hold no shares in the Company. Hillside may, however, purchase or sell Company securities in the open market or through other means based on market conditions and other factors. Hillside is at arm’s length to the Company and has no other relationship with the Company, and neither Hillside nor its chief executive officer, Stephen Giberson, has any interest, directly or indirectly, in the Company or its securities or any right or intent to acquire such an interest, other than as disclosed herein. Hillside is located at 474 Main St., Penticton, B.C., V2A 5C5, and can be contacted at 250-485-3615 or at hillsideconsultingmedia@gmail.com.

About GSP Resource Corp. : GSP Resource Corp. is a mineral exploration & development company focused on projects located in Southwestern British Columbia. The Company owns a 100% interest in and title to the past-producing Alwin Mine Copper-Silver-Gold Property and the Mer Claims, both located in the Highland Valley Copper Camp in the Kamloops Mining Division, as well as a 100% interest in and title to the Olivine Mountain Property in the Similkameen Mining Division.

Contact Information - For more information, please contact:

Simon Dyakowski, Chief Executive Officer & Director

Tel: (604) 619-7469

Email: simon@gspresource.com

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 release.

Forward-Looking Information

This news release contains “forward‐looking information or statements” within the meaning of applicable securities laws, which may include, without limitation, statements relating to the termination of the Option Agreement, future exploration work on the Property, the marketing and investor awareness engagement, other statements relating to the technical, financial and business prospects of the Company, its projects and other matters. All statements in this news release, other than statements of historical facts, that address events or developments that the Company expects to occur, are forward-looking statements. 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 may differ materially from those in the forward-looking statements. Such statements and information are based on numerous assumptions regarding present and future business strategies and the environment in which the Company will operate in the future, including the price of metals, the ability to achieve its goals, that general business and economic conditions will not change in a material adverse manner, that financing will be available if and when needed and on reasonable terms. Such forward-looking information reflects the Company’s views with respect to future events and is subject to risks, uncertainties and assumptions, including those filed under the Company’s profile on SEDAR+ at www.sedarplus.ca. Factors that could cause actual results to differ materially from those in forward - looking statements include, but are not limited to, continued availability of capital and financing and general economic, market or business conditions, adverse weather conditions, decrease in the price of copper and gold, failure to maintain all necessary government permits, approvals and authorizations, failure to maintain community acceptance (including First Nations), increase in costs, litigation, and failure of counterparties to perform their contractual obligations. The Company does not undertake to update forward‐looking statements or forward‐looking information, except as required by law.

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TheNewsWire

August 21, 2026 - 2:00 PM PDT

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