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Assays Pending from First Drill Test of Mer Porphyry Copper Target Since 1971

Vancouver, British Columbia – October 27, 2026 – TheNewswire - GSP Resource Corp. ( TSX-V: GSPR / FSE: 0YD / OTC: GSRCF ) (the “ Company ” or “ GSP ”) announces the results for 4 diamond drill holes from its 2026 drill campaign totaling 1,155 metres designed to target extensions of high-grade copper and gold zones at the Alwin Property located in the Highland Valley Copper Camp of British Columbia.  The Alwin Project hosts current inferred mineral resources comprising 1.46 million tonnes (Mt) at an average grade of 1.08% copper (Cu), yielding 34.6 million pounds of Cu 1 .

Assay results for an additional four drill holes totaling approximately 651 metres at the Company’s Mer Porphyry Copper Target are pending and are expected to be released in the coming weeks.   The 2026 program is the first drilling at Mer since 1971, when historic percussion and diamond drilling defined a 70 x 120 metre porphyry copper-molybdenum zone with intercepts including 30 metres grading 0.53% Cu. Follow-up surface sampling in 2026 outlined a 175 x 120 metre copper-in-soil anomaly that remains open to the northwest. Mer is located 1.5 km northwest of Alwin and approximately six kilometres west of Teck’s Valley Pit (see GSP news release dated July 8, 2026).

The drill results reported today include the discovery of a new upper gold zone intersected within two different drill holes grading 0.8% copper (Cu), 0.67 grams-per-tonne (g/t) gold (Au), and 6 g/t silver (Ag) over 6.54 metres (m); including 5.2 g/t Au over 0.67m within AM-26-03 ; in addition to 3% Cu, 1.11 g/t Au, and 61 g/t Ag over 3.02 m within AM-26-05 ( Figure 1 and Table 1 ).

The 2026 drilling was designed to follow up the 2024 drilling discovery of a high-grade gold zone within drill hole AM-24-06 that yielded a single 0.84 m sample that assayed 35.1 g/t Au (1.02 oz/ton) (sample L645413 from 157.36-158.20 m), below the vertical projection of “3 Zone” mineral resources, approximately 40 m below the pit shell, and 120 m vertically from surface 2 .

The same mineralized zone was intersected by drill hole AM-24-01 collared 120 m to the east of AM-24-06 returning a broad copper-gold interval grading 2.4% Cu, 0.68 g/t Au, and 35 g/t Ag over 17.4 m; including 4.1% Cu, 0.95 g/t Au, and 60 g/t Ag over 8.4m (Table 1).

The assay results released today establish the presence of locally high-grade gold mineralization within multiple horizons at Alwin.  To date, two gold horizons have been identified, yielding significant gold intercepts in at least five separate drill holes.  These gold zones correlate with established copper lodes modelled within the current Alwin mineral resource and, given that copper continuity is already well established, represent attractive, low-risk targets for continued drill delineation of a gold subset of mineralization that remains at an early stage of exploration.

Drill holes AM-26-01 and AM-26-02 targeting mineralization west of AM-24-06 , and deep copper zones north of the historic “3 Zone” below the resource pit shell returned assays of 1% Cu over 5.1 m; including 2.5% Cu, 19 g/t Ag over 1.85 m (AM-26-01) ; and 0.6% Cu, 0.20 g/t Au, and 11 g/t Ag over 6.4 m; including 3.5% Cu, 1.35 g/t Au, and 73 g/t Ag over 0.9m (AM-26-02) (Figure 2 and Table 1).   Drill hole AM-26-04 was abandoned at a depth of 33 m due to azimuth deviation and is not included in the 1,155 metres reported above.

Simon Dyakowski, CEO of GSP commented , “With the discovery of a second zone of high-grade gold mineralization at the Alwin Mine Project, we have delivered on the key goal of the Company’s 2026 drill campaign.  Gold has now been intersected in multiple horizons and in five separate holes, in each case alongside the high-grade copper lodes that make up the current resource.  These results point to a gold-primary subset of mineralization at Alwin that is only beginning to be understood, and that carries meaningful resource upside alongside the well-established copper.  Looking ahead, we are eagerly awaiting assays from the four holes drilled this summer at our Mer Porphyry Copper Target – the first drilling on that target in over fifty years.  Mer is a new, early-stage porphyry copper opportunity within the Highland Valley Copper Camp and gives GSP a second avenue for discovery alongside the high-grade mineralization at Alwin. With copper trading near record prices, this is an exciting time for the Company.”

Table 1: Alwin Mine 2026 Diamond Drilling Significant Assay Results

* The estimated true width of mineralization is approximately 75% of the drilled width

**CuEQ % = [Cu (%) x 1] + [Ag (g/t) x 0.0108304] + [Au (g/t) x 0.721785]

(using $US6.35/lb Cu, $US50/oz Ag, $US3,500/oz Au and historic recoveries 95.1% Cu, 89.7% Ag, 85.4% Au)

Figure 1: Alwin Mine Drill Hole AM-26-03, AM-26-05 & AM-24-06 Cross Section

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Figure 2: Alwin Mine Drill Hole AM-26-01 & AM-26-02 Cross Section

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About the Alwin Mine Project

The Alwin Mine Copper-Silver-Gold property is approximately 344 hectares and is located on the semi-arid, interior plateau in south-central British Columbia.  The historic underground mine was developed over 500 m long by 200 m wide by 300 m deep. Production took place between 1916 and 1981 from five major subvertical high-grade copper mineralization zones totaling 233,100 tonnes that milled 3,786 tonnes of copper, 2,729 kilograms of silver and 46.2 kilograms of gold. The average diluted head grade was 1.5% copper.

The Alwin Project hosts a current inferred mineral resource comprising 1.46 million tonnes (Mt) at an average grade of 1.08% Cu, yielding 34.6 million pounds of Cu 3 .

The Alwin Project is adjacent to the western boundary of Teck Resources’ Highland Valley Mine, the largest open-pit porphyry copper-molybdenum mine in western Canada.  Alteration and mineralization of the Highland Valley hydrothermal system extends westward from the Highland Valley mine onto the Alwin Project (see GSP’s news release dated January 30, 2020).

Methodology and QA/QC

The analytical work reported on herein was performed by ALS Global (“ALS”), Vancouver, Canada. ALS is an ISO-IEC 17025:2017 and ISO 9001:2015 accredited geoanalytical laboratory and is independent of GSP Resource Corp. and the QP. Drill core samples were subject to crushing at a minimum of 70% passing 2 mm, followed by pulverizing of a 250-gram split to 85% passing 75 microns. Base and precious metals were determined via four-acid digestion 33 element ICP-AES geochemistry and overlimit values for copper (>1%) and silver (>100 g/t) were analyzed via four-acid digestion ICP-AES or AAS.

GSP Resource Corp. follows industry standard procedures for the work carried out on the Alwin Mine Project, with a quality assurance/quality control (QA/QC) program. Blank, duplicate, and standard samples were inserted into the sample sequence sent to the laboratory for analysis. GSP Resource Corp. detected no significant QA/QC issues during review of the data. GSP Resource Corp. is not aware of any drilling, sampling, recovery, or other factors that could materially affect the accuracy or reliability of the data referred to herein.

Qualified Person:   The scientific and technical information contained in this news release has been reviewed and approved by Kristopher J. Raffle, P.Geo. (B.C.), principal and consultant of APEX Geoscience Ltd. of Edmonton, AB, a consultant to the Company and a “qualified person” as defined in National Instrument 43-101 — Standards of Disclosure for Mineral Projects . Mr. Raffle 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 Alwin Project.

About GSP Resource Corp.

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

For more information, please contact:

Simon Dyakowski, Chief Executive Officer & Director

Tel: +1 (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, completing ongoing and planned work, advancing the Alwin Project, the potential presence of high-grade gold mineralization at the Alwin Project, further evaluation of gold mineralization at the Alwin Project, 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 the risks and uncertainties relating to the interpretation of exploration results, risks related to the inherent uncertainty of exploration and cost estimates and the potential for unexpected costs and expenses, and 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 or climate conditions, failure to maintain all necessary government permits, approvals and authorizations, failure to obtain or maintain community acceptance (including First Nations), decrease in the price of copper, gold, silver and other metals, 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.

1  See GSP Resource Corp. news release dated December 4, 2024

2  See GSP Resource Corp. news release dated January 16, 2025

3  See GSP Resource Corp. news release dated December 4, 2024

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