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Red Mountain Mining Limited (ASX:RMX) (OTCMKTS:RMXFF), a Critical Minerals exploration and development company with active projects in Tier-1 Mining Districts in the United States and Australia, has announced the Company's advanced progression towards a US Stock Exchange listing.

HIGHLIGHTS

- Red Mountain Mining has recently appointed a highly regarded US-based markets advisory team and is in the final stages of confirming a US Stock Market listing on the OTCQB under the US Stock Code "RMXFF"

- In 2024, over US$478 billion (AU$732 billion) in liquidity and volume flowed through the United States OTC Markets Group's exchanges

- Red Mountain has secured multiple US antimony assets in Tier-1 mining districts since mid September 2025, with projects located adjacent to high value, major Antimony projects, including Perpetua Resources' (NASDAQ:PPTA) Stibnite Project in Idaho and Trigg Minerals' (ASX:TMG) Antimony Canyon Project in Utah

- Red Mountain has also made significant progress at its Armidale Antimony-Gold Project in the New England Orogen in New South Wales, the location of Larvotto Resources' (ASX:LRV) Hillgrove project, which is Australia's largest Antimony deposit and the target of a recent acquisition proposal by United States Antimony Corporation (NYSE:UAMY)

- Following highly encouraging inbound interest received from several US investment banks, the Red Mountain Board believes the planned US Stock Market listing provides a series of value accretive opportunities including:

o Providing US retail and institutional investors direct access to invest and trade in the Company's shares on the OTCQB under the US Stock Code "RMXFF"

o Positioning RMXFF alongside US peers in the critical minerals sector, potentially further improving valuation metrics and attracting specialised US resources investors

o Improving Red Mountain's current strong strategic alignment with the US Government's dramatic push to secure a domestic supply of critical minerals, and better positioning the Company to benefit from strong US Federal financial support for critical mineral projects targeting antimony

- Red Mountain expects to confirm the "RMXFF" listing date by next week

Red Mountain has recently appointed its US-based markets advisory team and is in the final stages of confirming a US Stock Market listing on the OTCQB under the US Stock Code "RMXFF". Since mid-September 2025, Red Mountain has pursued an aggressive acquisition strategy, securing three US antimony assets in Tier-1 mining districts since mid-September 2025, with projects located adjacent to high value, major antimony projects, including Perpetua Resources' (NASDAQ:PPTA) Stibnite Project in Idaho and Trigg Minerals' (ASX:TMG) Antimony Canyon Project in Utah.

RMX has also made significant progress during 2025 within its Armidale Antimony-Gold Project in the New England Orogen in New South Wales, by demonstrating high-grade orogenic antimony mineralisation with associated gold at multiple prospects. RMX's project hosts a similar style of mineralisation and is located within the same prospective geological province as of Larvotto Resources' (ASX:LRV) (A$540m market cap) Hillgrove project, which is Australia's largest Antimony deposit and the target of a recent acquisition proposal by United States Antimony Corporation (NYSE:UAMY) (A$1.5b market cap.).

US Government focused on building domestic Antimony supply

Presently, about 90% of global antimony production is controlled by China, Russia, and Tajikistan, which is creating significant supply risks for Western nations such as Australia and the US. Both countries currently have no producing antimony mines, despite the metal's critical role in defence applications, including armament manufacture and semiconductor technologies. With China's current export ban creating acute supply shortages and the antimony price recently reaching US$60,000 per tonne, the US Government has issued emergency declarations and mobilised unprecedented funding for domestic production.

The majority of the available US Federal funding is being directed under White House led initiatives and includes opportunities such as:

- The Export-Import Bank (EXIM) Supply Chain Resiliency Initiative (SCRI), which will provide financing for international projects with signed long-term "off-take" contracts with U.S. companies, providing these U.S. companies with access to critical minerals from partner countries.

- EXIM's China and Transformational Exports Program (CTEP), which provides funding in strategic sectors like critical minerals to support American companies in projects that might otherwise be lost to China, aligning with the U.S.'s broader goals to boost supply chain resilience and national economic competitiveness.

- Defense Production Act Title III funding for strategic materials, which partners with U.S. private industry to mitigate gaps in the domestic supply chain through the use of grants, purchase commitments, loans, or loan guarantees.

 Red Mountain Mining Limited Set to Commence Trading on US Stock Exchange