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VANCOUVER, BC — July 11, 2025 — TheNewswire - Giant Mining Corp. (CSE: BFG | OTC: BFGFF | FWB: YW5 | CSE: BFG.WT.A | CSE: BFG.WT.B) (“Giant Mining” or the “Company”) and its stakeholders at the flagship Majuba Hill Copper-Silver-Gold Project in Pershing County, Nevada, fully support the U.S. Government’s renewed commitment to fast-track permitting for critical mineral projects as a matter of national security.

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David Greenway, CEO of Giant Mining, commented: “The 2025 drill season at Majuba Hill marked a bold leap forward — our most ambitious and technically advanced campaign yet, building on the exceptional grades we achieved in 2024. Under the strong leadership of President Trump, the United States has issued a clear call to action: secure the metals that power our energy independence, national defense, and critical infrastructure. Giant Mining stands ready to answer that call. With Majuba Hill, we are proud to lead the charge in reshoring copper production, revitalizing U.S. mining districts, and driving long-term value for shareholders — all while putting America First.”

The Company applauds the strategic initiatives announced by President Trump’s administration, which align directly with Giant Mining’s mission to develop secure, domestic copper supply chains. These initiatives include:

Fast-Tracked Permitting

Following the March 20, 2025, Executive Order, copper has been formally designated under FAST-41, significantly accelerating environmental and land-use reviews. The era of decade-long permitting delays is ending.

Defense Production Act Mobilization

The U.S. Government is deploying the Defense Production Act and launching new federal financing programs to expand domestic mining and reduce reliance on foreign supply—essential to national defense and economic security.

Federal Prioritization of Copper

U.S. federal agencies—including the Departments of Interior, Defense, Energy, and Agriculture—are now actively prioritizing the extraction of copper, rare earths, nickel, and lithium on public lands. This supports infrastructure development, clean energy initiatives, and military readiness.

Copper Tariffs to Reshore Production

In July 2025, the U.S. government imposed a 50% tariff on imported copper, a landmark policy designed to reduce reliance on foreign supply chains. This move made global headlines and has already triggered increased domestic demand for U.S.-sourced copper. For projects like Majuba Hill, this policy provides direct support by incentivizing local production and reinvigorating legacy mining districts across the country. 1

Giant Mining is proud to answer the President’s call to action — building strong, secure, and sovereign supply chains that support American jobs, energy independence, and economic security. With President Trump’s clear directive to prioritize critical minerals under the “America First” agenda, we are committed to reshoring copper production and strengthening the backbone of the nation’s industrial future.

Project Development Update:

Giant Mining continues to advance exploration and development at Majuba Hill. The Company recently engaged RESPEC Engineering to complete a NI 43-101 Mineral Resource Estimate ( “MRE” ) and is incorporating data from its recently completed Spring drill program. Preparations are underway for an expanded Summer drill program, positioning the Company to apply for federal programs now available under the U.S. government’s critical mineral initiatives. All Assays are now pending from our Spring 2025 drill program with results expected imminently.

Majuba Hill’s critically important characteristics are as follows:

Quality Assurance/Quality Control (“QA/QC”) Measures, Chain of Custody

The Company utilizes a QA/QC program using best industry practices at the Majuba Hill Project. The samples are placed in cloth sample bags and are transported from the Giant Mining secure warehouse to the ALS Labs Sample Prep Facility in Elko, Nevada. ALS Labs then securely transports the prepared pulps to their analytical lab in North Vancouver, B.C.

Drill core samples are sawn in half lengthwise and one half is placed in labeled cloth sample bags. All samples are analyzed for copper, gold, silver, and 33 other elements. Gold is determined by ALS Labs method Au-AA23 which is a fire assay with an AAS finish on a 30-gram split. Copper, silver, and the remaining 31 elements are determined by ALS Labs method ME-ICP61 which is a four-acid digestion and ICP-AES assay. Approximately 5% of the submitted samples are drill duplicates and copper-gold-porphyry commercial standard reference material pulps. The remaining pulps will be retrieved from ALS Labs.

Qualified Person

The scientific and technical information contained in this news release has been reviewed and approved by E.L. “Buster” Hunsaker III, CPG 8137, a non-independent consulting geologist who is a “Qualified Person” as such term is defined under  National Instrument 43-101 – Standards of Disclosure for Mineral Projects ( “NI 43- 101” ) .

About Giant Mining Corp.

Giant Mining is focused on identifying, acquiring, and advancing late-stage copper and copper/silver/gold projects to meet the growing global demand for critical metals. This demand is driven by initiatives like the Green New Deal in the United States and similar climate-focused programs worldwide, which require substantial amounts of copper, silver, and gold for electric vehicles, renewable energy infrastructure, and the modernization of clean and affordable energy systems.

The Company’s flagship asset is the Majuba Hill Copper, Silver, and Gold District, located 156 miles (251 km) from Reno, Nevada. Majuba Hill is situated in a mining-friendly jurisdiction with supportive regulations and has the potential to become one of the next major copper deposits, critical for meeting the increasing need for this red metal.

Neither the Canadian Securities Exchange nor its Market Regulator (as that term is defined in the policies of the Canadian Securities Exchange) accepts responsibility for the adequacy or accuracy of this release.

On Behalf of the Board of Giant Mining Corp.

“David Greenway”

David C. Greenway

President & CEO

For further information, please contact:

E: info@giantminingcorp.com

P: 1 (236) 788-0643

VISIT OUR WEBSITE FOR MORE DETAILS

www.giantminingcorp.com

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Forward-Looking Statements

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. 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.

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1  Source: U.S. Department of Commerce announcement, July 2025; reported by Reuters and AmericanProgress.org.

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