Kinterra Expands U.S. Copper Platform through Strategic Acquisition

Kinterra Capital Corp. has completed the acquisition of the Antler Copper Project, expanding its U.S. copper platform and initiating a review of leach technologies to supplement domestic copper production. This move aims to address America's growing demand for copper in clean energy industries and technology applications. The Antler project, located in Arizona, boasts an average grade of 3.8% copper equivalent and is one of the highest-grade underground copper development projects globally.

Key Takeaways:

• Kinterra acquired 100% of the issued and outstanding shares of New World Resources Ltd, owner of the Antler Copper Project, for approximately US$160 million.
• The Antler project adds 175,000 tonnes of annual copper production capacity to Kinterra's U.S. portfolio, complementing existing operations in Michigan and Nevada.
• The acquisition strengthens Kinterra's role as a cornerstone contributor to America's copper industry, supporting the U.S. Administration's priority on secure and diversified mineral supply chains.
• Kinterra's Co-Managing Partners, Cheryl Brandon and Kamal Toor, emphasized the strategic importance of Antler, highlighting its exceptional grade, capital efficiency, and location in one of the most established copper jurisdictions worldwide.
• The company is launching a review of sulphide leach technologies to advance domestic copper cathode production, with initial testing and pilot plans expected in early 2026.
• Kinterra aims to shape a balanced domestic processing strategy, leveraging established methods to convert sulphide ores directly into refined copper across its U.S. portfolio.
• The acquisition and leach technology review align with Kinterra's focus on creative ideation, rigorous analysis, and executing with excellence to create sustainable, strong, and secure supply chains.

Statistics:

• US$160 million: total consideration for the acquisition of New World Resources Ltd
• 172,000 tonnes: cumulative copper production capacity across Kinterra's U.S. portfolio, including Antler, White Pine, Pumpkin Hollow, and the adjacent Southwest Open Pit
• 3.8% copper equivalent: average grade of the Antler Copper Project, one of the highest-grade underground copper development projects globally
• 90%: percentage of New World's shares secured by Kinterra under its takeover bid
• 1 million tonnes: annual imports of refined copper into the U.S., highlighting the strategic importance of developing high-grade domestic sources such as Antler
• 2030s: forecasted timeframe for a structural copper deficit in the U.S. without accelerated mine development and new refining capacity, according to the IEA and S&P Global

Sources:

• PR Newswire, Kinterra Expands U.S. Copper Platform by Completing the Acquisition of the Antler Copper Project, issued 27-Oct-2025
• IEA and S&P Global, Independent analyses forecasting a structural copper deficit in the U.S. through the 2030s
• Kinterra Capital Corp., Investor Relations