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NYSE.A: GMTL, LON:GMET, OTCQB:GMTLF 

Securing America's Tungsten Independence

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Given the current tariff environment and China’s recent export restrictions on tungsten, Guardian Metal is well positioned to play a leading role in re-establishing a reliable, domestically mined supply of this critical defense metal on U.S. soil.

Guardian Metal Resources PLC is a Nevada focused tungsten exploration and development company which owns the Pilot Mountain and Tempiute tungsten projects.

Pilot Mountain hosts one of the largest undeveloped tungsten deposits in the U.S. and Tempiute - formerly America’s largest producing tungsten mine – are both located in Nevada, one of the top-rated mining jurisdictions in the world.

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Rebuilding America’s Tungsten Supply Chain From the Ground Up

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U.S. Tungsten Assets: Owner of Pilot Mountain and Tempiute, two significant past-producing tungsten projects in Nevada.

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Strong Project Economics: Pilot Mountain’s Pre-Feasibility Study outlines a 59.6% IRR and one-year payback.

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Critical Supply Gap: China produces ~84% of global tungsten supply and has imposed export restrictions to the U.S.

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Strategic Defense Metal: Tungsten is critical to U.S. defense applications, while geopolitical tensions and upcoming import restrictions reinforce the need for domestic supply.

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Government & Market Tailwinds: Rising tungsten prices, U.S. policy support and potential government funding create a favorable environment for domestic development.

Guardian Metal Resources is Reshoring America’s Tungsten Future

Pilot Mountain

• Positive Pre-Feasibility Study results announced in June 2026, confirming Pilot Mountain as a robust, high-margin project with an after-tax NPV8 of US$660 million, a 60% IRR, a one-year payback and Free Cash Flow of US$1.06 billion; first production targeted for late 2028.

• Gallium (Ga) mineralization adds potential critical metal upside.

• Non-binding off-take letter of intent signed with Global Tungsten & Powders.

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Tempiute Project

• Previously one of the largest producing tungsten mines in the U.S.

• Located on patented and BLM mining claims with a 3,000 kW substation and well-maintained mine roads across the project.

• Mill building and office building located within the project.

• On-site historical mined stockpiles and tailings being evaluated.

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