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Metallurgical Program Appointment

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Gold Port (OTCQB:GPOTF) appointed Alex Mezei, Q.P., as Metallurgical Consultant for the Groete Gold Copper Project. He will lead a two-phase metallurgical program, including data review, gap analysis, and pre-treatment protocol evaluation to support flowsheet design, risk reduction, and an updated NI 43-101 Technical Report.

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VANCOUVER, BC / ACCESS Newswire / June 16, 2026 / Gold Port Corporation (CSE:GPO)(OTCQB:GPOTF) (the "Company") is pleased to announce the appointment of Alex Mezei Q.P. as Metallurgical Consultant to the Company. Mr. Mezei will initiate a two phased metallurgical evaluation of the Groete Gold Copper Project. Phase One is comprised of an Initial Review and Metallurgical Gap Analysis of all metallurgical data. The Phase Two Program will compliment the planned drill program by evaluating pre-treatment protocols.

Samples will be used for comprehensive metallurgical investigation at recognized laboratories. Testing will include baseline, optimization, and variability studies. The results will support process flowsheet development, derisking, and economic evaluation in accordance with the Best Practice Guidelines for Mineral Processing (BPGMP), contributing to the process component of the planned update to the NI 43‑101 Technical Report.

The recovery of both gold and copper will initially focus on well‑proven, low‑cost, low‑risk metallurgical options such as flotation and direct cyanidation. Depending on metallurgical response, the Company may also investigate other industry‑accepted routes, including bio-oxidation, pressure oxidation or roasting, diagnostic leach testing and other metallurgical optimization options if deemed necessary.

Alex Mezei is an independent metallurgical consultant and NI 43-101 Qualified Person with hands-on technical experience spanning hydrometallurgy, mineral processing, rheology, and liquid-solid separation across base, precious, and rare metals, industrial minerals, and oil sands. His career encompasses commercial testwork, plant design, construction, commissioning, ramp-up, and operations at pilot and industrial scale on projects worldwide.

Alex specializes in metallurgical process development, testwork program design and supervision, gap and fatal flaw analysis, and technical risk mitigation. He supports owners, investors, financiers, and engineering firms through stage-gated project development, identifying vulnerable areas of commercial plant operability, flagging unacceptable technical risk factors, and recommending practical de-risking strategies. His work covers the full project development spectrum - from conceptual assessment through bankable feasibility - including process economics evaluation (Capex, Opex, ROI) at all stages.

He has authored and contributed to NI 43-101 Technical Reports across multiple commodities including gold, cobalt, bismuth, lithium, and graphite, and has been involved in the design, construction, and operation of pilot and industrial production facilities across several continents. Prior roles include maintenance, operations, project management, and business development. Alex has contributed to several industry publications and patents. His professional and operational safety record is grounded in actual plant-floor experience, including high-risk industrial environments.

About Gold Port Corporation

Gold Port Resources Corporation (GPO) is focused on the further exploration and development of the 100% owned Groete Gold Project, located in Guyana, South America. The current focus of the Company is to enhance the NI 43-101 gold deposit defined at the Groete Project to a higher-grade lower tonnage resource. The Project was last explored in 2012, which included a drill program that allowed the calculation of an Inferred Mineral Resource of 1.57 million gold equivalent ounces (gold plus copper) within 74 million tonnes, at a grade of 0.66 grams per tonne gold equivalent. A cut-off grade of 0.25 gold equivalent grams per tonne, a gold price of US$1,275 per ounce and copper price of US$3.00 per pound was used in the calculation of the Inferred Mineral Resource. Details of the Mineral Resource are contained in a National Instrument 43-101 report titled, Technical Report and Updated Mineral Resource Estimate on the Groete Gold Copper Deposit, Groete Property, Guyana, South America by P&E Mining Consultants Inc., dated April 16, 2019, available on SEDAR and the Company website at www.goldportcorporation.com.

On Behalf of the Board of Directors of Gold Port Corporation,

Adrian F.C. Hobkirk President and Chief Executive Officer

Further Information: ahobkirk@goldportcorporation.com

Mr. Alex Mezei, a Qualified Person under National Instrument 43-101 approves the scientific and technical content of this press release.

No stock exchange or securities regulatory authority has reviewed or accepted responsibility for the adequacy or accuracy of this release.

This news release contains certain "forward-looking statements" within the meaning of Section 21E of the United States Securities and Exchange Act of 1934, as amended. Except for statements of historical fact relating to the Company, certain information contained herein constitutes forward-looking statements. Forward-looking statements are based upon opinions and estimates of management on the date the statements are made and are subject to a variety of risks and uncertainties and other factors which could cause actual results to differ materially from those projected in the forward-looking statements. The reader is cautioned not to place undue reliance on forward- looking statements. We seek safe harbor.

SOURCE: Gold Port Corporation



View the original press release on ACCESS Newswire

FAQ

What metallurgical role was Alex Mezei appointed to at Gold Port (GPOTF) on June 16, 2026?

Alex Mezei was appointed Metallurgical Consultant to Gold Port for the Groete Gold Copper Project. According to Gold Port, he will design and oversee a staged metallurgical program, focusing on data review, gap analysis, and process development to support project evaluation.

What is included in Phase One of the Groete Gold Copper metallurgical program for Gold Port (GPOTF)?

Phase One centers on an initial review and metallurgical gap analysis of all existing data. According to Gold Port, this work will use recognized laboratories to conduct comprehensive baseline and variability testing, feeding into flowsheet development and risk assessment for the Groete Gold Copper Project.

How will Phase Two of Gold Port (GPOTF)'s metallurgical program support the planned drill program?

Phase Two will evaluate pre-treatment protocols aligned with the planned drill program at Groete. According to Gold Port, samples will undergo optimization and variability studies, guiding process flowsheet refinement, derisking, and economic evaluation in line with Best Practice Guidelines for Mineral Processing.

Which processing options will Gold Port (GPOTF) initially test for gold and copper recovery at Groete?

Gold Port will initially test flotation and direct cyanidation as recovery options for gold and copper. According to Gold Port, other established routes such as bio-oxidation, pressure oxidation, roasting, and diagnostic leach testing may be investigated, depending on metallurgical performance and project needs.

What experience does Alex Mezei bring to Gold Port (GPOTF)'s Groete Gold Copper Project?

Alex Mezei brings global metallurgical experience in hydrometallurgy, mineral processing, and plant operations. According to Gold Port, he has managed testwork, design, commissioning, and operations, authored NI 43-101 Technical Reports across multiple commodities, and specializes in technical risk mitigation and process economics evaluation.

How will the new metallurgical program impact Gold Port (GPOTF)'s NI 43-101 Technical Report update?

The metallurgical program will contribute to the process component of an updated NI 43-101 Technical Report. According to Gold Port, testwork results will support process flowsheet development, derisking, and economic evaluation, aligning the Groete Gold Copper Project with Best Practice Guidelines for Mineral Processing.