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M&A / Property

Aris closes acquisition of remaining 49% of Soto Norte

By The Northwire Desk — AI Analysis Dec 12, 2025 · 14:27 ARIS · 21.01 Aris Mining Corporation
ARIS · Price

Executive Summary

  • Aris Mining Corp. has completed the acquisition of the remaining 49% interest in the Soto Norte joint venture in Colombia from Mubadala, bringing its total ownership of the project to 100%.
  • The precious metals stream previously granted to Mubadala regarding the Soto Norte project has been terminated as part of the transaction.
  • With this acquisition, Aris Mining now holds 100% ownership of its four key assets: Segovia, Marmato, Toroparu, and Soto Norte, reinforcing its strategy to build a large, diversified gold business in South America.

Key Details

  • Transaction Completion: Aris Mining finalized the purchase of the remaining 49% stake in the Soto Norte JV from Mubadala (MDC Industry Holding Company LLC).
  • Ownership Structure: Aris Mining now owns 100% of the Soto Norte project.
  • Stream Termination: The associated precious metals stream held by Mubadala has been terminated.
  • Asset Portfolio: The company now owns 100% of Segovia, Marmato, Toroparu, and Soto Norte.
  • Strategic Context: CEO Neil Woodyer stated the company is transitioning from a "buy-and-build" strategy to focusing on building high-quality assets, aiming to join the group of fewer than 15 gold companies producing over one million ounces annually.
  • Operational Metrics (Colombia):
    • Operates two underground gold mines: Segovia and Marmato.
    • 2024 Production: 210,955 ounces of gold.
    • Expansion Target: Annual production rate of more than 500,000 ounces.
    • Segovia: Second mill commissioned in June, ramping up in H2 2025.
    • Marmato: Bulk-mining zone under construction, with first gold expected in H2 2026.
  • Project Updates (Guyana & Colombia):
    • Toroparu (Guyana): Preliminary Economic Assessment (PEA) completed; Prefeasibility Study (PFS) in progress. Will advance toward construction following PFS completion.
    • Soto Norte (Colombia): Prefeasibility Study completed for a smaller-scale development plan, confirming it as a high-grade, long-life project with strong economics. Environmental studies are being finalized for submission in H1 2026 to initiate licensing.

Notable Quotes

  • "With 100-per-cent ownership of Segovia, Marmato, Toroparu and now Soto Norte, Aris Mining is focused on building a large, diversified gold business across Colombia and Guyana. Our strategy combines strong cash flow generation from our operating mines with growth from expansions, exploration and project development." — Neil Woodyer, CEO
  • "Since our formation in 2022, we have progressed from a buy-and-build strategy to focusing on building the high-quality assets we now own. Fewer than 15 gold companies worldwide produce more than one million ounces annually; and, with our current asset base and growth projects, Aris Mining has a clear path to join that group." — Neil Woodyer, CEO
Read the original news release →

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