<div id="readability-page-1"><div>(TheNewswire)<ul><ul></ul></ul>VANCOUVER, BC — March 13, 2026 –TheNewswire — Giant Mining Corp. (CSE: BFG | OTC:BFGFF | FWB: YW5 | CSE: BFG.WT.A | CSE: BFG.WT.B.) (“Giant Mining” or the “Company”) is pleased to announcethat the 2026 exploration season is underway at its Majuba Hill CopperProject in Pershing County, Nevada. The geologic team has begun systematic mapping and sampling across multipleprospective areas of the property. Click Image To View Full SizeFigure 1: Big Sky Drilling Equipment on Site during 2025 drill campaign The program is designed to strengthen the geological model and prioritize the most prospective breccia-hosted copper targets for upcoming drilling. Majuba Hill is a large copper-silver-gold intrusive-related system with over 100 historical drill holes totaling approximately 89,000 feet, and a long history of copper production and exploration. “Launching the 2026 exploration season marks an exciting step forward for the Majuba Hill project,” said David Greenway, President and CEO of Giant Mining Corp. “Majuba Hill hosts a large hydrothermal breccia system with demonstrated copper-silver mineralization from prior drilling. Our current program is focused on refining high-priority targets and preparing for the next phase of diamond drilling. With a strong technical team on site and clear exploration targets identified, we believe Majuba Hill represents a compelling opportunity to advance a significant copper system in Nevada.” Click Image To View Full SizeFigure 2: Majuba Hill Project 2026 Phase 1 Target Areas 2026 Exploration Program Underway The Company’s geological team has initiated a program of detailed geological mapping, structural interpretation, surface and underground geochemical sampling, enhanced by ongoing review of all core results. The results will be used to refine high-priority drill targets ahead of the Company’s diamond drilling program. As previously announced on January 30th, 2026, Giant Mining has planned amulti-phase diamond drilling program of up to 10,000 feet (3,048meters) designed to further evaluate copper-silver mineralizationacross key target areas.The Company expects to provide additional updates asexploration activities progress.Phase 1<ul><li>Up to 5,000 feet of diamond drilling </li><li>Underground mapping and sampling </li><li>Surface geochemical surveys to refine drilltargeting </li></ul>Phase 2<ul><li>Up to 5,000 feet of additional drilling </li></ul>The 2026 exploration and drill program are building onthe Company’s previous exploration work and drilling across thedistrict. Results from the Company’s2024–2025 exploration programs identified multiple mineralizedbreccia bodies associated with hydrothermal-magmatic tourmalinebreccias and breccia pipe margins, which represent priority targetsfor further drilling.Several historical drill holes returned elevated copperand silver values with locally anomalous gold, highlighting thepotential for additional mineralization within the system. (See NR dated January 16, 2024). Drillintercepts returned elevated copper and silver values, as well asintervals of anomalous gold. Mineralization is commonly associatedwith hydrothermal-magmatic tourmaline matrix breccias and the marginsof breccia pipes. Further drilling is required to determine the extentand continuity of mineralization.Why Majuba HillMajuba Hill is in Pershing County, Nevada,approximately 156 miles (251 km) northeast of Reno, within one of theworld’s most established mining jurisdictions.Key project characteristics include:• Large land position covering approximately 9,684acres• Extensive historical drilling database exceeding89,000 feet• Multiple mineralized breccia targetsidentified• Excellent infrastructure, including road access andnearby power• Located in Nevada — one of the world’s leadingmining jurisdictionsQuality Assurance/Quality Control(“QA/QC”) Historical drilling results referenced herein werepreviously disclosed by the Company in accordance with NationalInstrument 43-101 – Standards of Disclosure for Mineral Projects.Analytical work was performed by ALS USA Inc. (&#34;ALS&#34;), anISO/IEC 17025 accredited prep laboratory located in Elko, Nevada.Industry standard quality assurance and quality control (QA/QC) procedures included the insertion of certified reference materials,blanks, and duplicates at regular intervals within the sample stream.The Qualified Person has reviewed and verifiedthe data underlying the historical results referenced in thisrelease.Qualified PersonThe scientific and technical information contained inthis news release has been reviewed and approved by E.L. “Buster” Hunsaker III, CPG 8137, a non-independent consulting geologist who isa “Qualified Person” as such term is defined under National Instrument 43-101 – Standardsof Disclosure for Mineral Projects (“NI43-101”).Majuba Hill’s critically importantcharacteristics are as follows:<div><table><tbody><tr><td colspan="1" rowspan="1">Location:</td><td colspan="1" rowspan="1">Nevada, USA — a globally top-ranked miningjurisdiction, ranked #1 in the Fraser Institute’s 2022 Annual Surveyof Mining Companies.</td></tr><tr><td colspan="1" rowspan="1">Project Size:</td><td colspan="1" rowspan="1">9,684 Acres</td></tr><tr><td colspan="1" rowspan="1">Infrastructure:</td><td colspan="1" rowspan="1">The Majuba Hill property is located 113 road kilometers(70 miles) southwest of Winnemucca, Nevada, and 251 kilometers (156miles) northeast of Reno. It is accessible via well-maintained countyroads from the Imlay, Nevada exit on U.S. Interstate 80, followed by a23-mile drive west. People, roads, power, and water are fundamentalconsiderations for infrastructure, and Majuba Hill already benefitsfrom a strong foundation in all these areas. This existinginfrastructure provides a significant advantage, offering substantialcost savings compared to more remote projects.</td></tr><tr><td colspan="1" rowspan="1">History:</td><td colspan="1" rowspan="1">Historical Producer</td></tr><tr><td colspan="1" rowspan="1">Drilling:</td><td colspan="1" rowspan="1">Approximately 89,395 feet of drilling to date. Roughreplacement value of drilling USD $12.1 Million using currentcosts.</td></tr><tr><td colspan="1" rowspan="1">Mineralization:</td><td colspan="1" rowspan="1">The project shows indications of a potentially large Cu– Ag +/- Au mineralized body with many features in common with bothlarge porphyry copper, silver, and gold projects; however, furtherdrilling is required to determine the extent and grade ofmineralization.</td></tr><tr><td colspan="1" rowspan="1">Expandability:</td><td colspan="1" rowspan="1">The IP survey, deep drilling, and step-out drillingindicate significant expansion potential, with mineralization open inall directions.</td></tr><tr><td colspan="1" rowspan="1">Fully Financed:</td><td colspan="1" rowspan="1">The Company has secured funding for its next phase ofdrilling at Majuba Hill.</td></tr></tbody></table></div>About Giant Mining Corp.Giant Mining is focused on identifying, acquiring, andadvancing late-stage copper and copper/silver/gold projects to meetthe growing global demand for critical metals. This demand is drivenby initiatives like the Green New Deal in the United States andsimilar climate-focused programs worldwide, which require substantialamounts of copper, silver, and gold for electric vehicles, renewableenergy infrastructure, and the modernization of clean and affordableenergy systems.The Company’s flagship asset is the Majuba HillCopper, Silver, and Gold District, located 156 miles (251 km) fromReno, Nevada. Majuba Hill benefits from a mining-friendly regulatoryenvironment and strong local infrastructure. While still anexploration-stage asset, the geological footprint and scale ofmineralization indicate that further work is clearly justified andthat the system may host significant copper potential. With a strengthened technical framework, supportivejurisdiction, and funded exploration program, Giant Mining is focusedon advancing Majuba Hill through systematic drilling and technicalevaluation. The Company remains committed to responsible exploration,technical transparency, and creating long-term shareholder valuethrough discovery-focused exploration.Neither the Canadian SecuritiesExchange nor its Market Regulator (as that term is defined in thepolicies of the Canadian Securities Exchange) accepts responsibilityfor the adequacy or accuracy of this release.Click Image To View Full Size On Behalf of the Board of Giant Mining Corp.“David Greenway”David C. Greenway President &amp; CEOFor further information, please contact:E: info@giantminingcorp.comP: 1 (236) 788-0643VISIT OUR WEBSITE FOR MORE DETAILSwww.giantminingcorp.comLIKE AND FOLLOWInstagram, Facebook, Twitter, LinkedIn DOWNLOAD INVESTOR INFORMATION Click Here Forward-Looking Statements This news release contains forward-looking information, including but not limited to statements regarding planned exploration activities and anticipated outcomes. This news release contains certain forward‐looking information. Such information involves known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to be materially different from those implied by statements herein, and therefore these statements should not be read as guarantees of future performance or results. All forward‐looking statements are based on the Company’s current beliefs as well as assumptions made by and information currently available to it as well as other factors. Readers are cautioned not to place undue reliance on these forward‐looking statements, which speak only as of the date of this press release. Due to risks and uncertainties, including the risks and uncertainties identified by the Company in its public securities filings, actual events may differ materially from current expectations. These statements involve known and unknown risks, including exploration, metallurgical, permitting, environmental, commodity price, and market risks. The Company disclaims any intention or obligation to update or revise any forward‐looking statements, whether as a result of new information, future events or otherwise. ### Copyright (c) 2026 TheNewswire - All rights reserved.</div></div>

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Giant Mining Corp. has launched its 2026 exploration program at the Majuba Hill Copper Project in Nevada. The program includes systematic mapping and sampling to refine geological models and prioritize drilling targets. The project, covering 9,684 acres, has a history of copper production and extensive drilling data. The company plans a multi-phase diamond drilling program of up to 10,000 feet to evaluate mineralization. CEO David Greenway emphasized the potential of Majuba Hill as a significant copper system in a top mining jurisdiction.

Giant Mining Launches 2026 Exploration Program at Majuba Hill Copper Project in Nevada