Core Insights - Red Mountain Mining (ASX: RMX) has been approved for listing on the US OTCQB stock exchange, showing strong pre-listing market activity with high trading volumes and investor interest [1] - The new listing will enhance access for US retail and institutional investors, improving visibility within the US critical minerals network and positioning alongside US-listed peers [2] Company Developments - Red Mountain's antimony projects, including Yellow Pine, Utah, and Silver Dollar, are situated in Tier-1 mining districts near significant developments like Perpetua Resources' Stibnite project and Trigg Minerals' Antimony Canyon project [3] - The company is making progress at its Armidale antimony-gold project in New South Wales, Australia [3][4] Industry Context - The company aims to build a portfolio to address the "unprecedented critical shortage" of strategic metals supply from Western mining companies, engaging with strategic partners to advance its critical minerals assets [5] - A recent $355 million commitment from the US Department of Energy aims to enhance mining, processing, and manufacturing technologies in the sector [5] - The signing of a Critical Minerals Framework agreement between the US and Australia will see both nations invest at least $1 billion each in critical minerals projects over the next six months, providing momentum for the company's US expansion strategy [6]