Southern Copper raises $1.25B in bonds to fund Tía María copper project in Peru

Filed June 26, 2026 · Period ending June 24, 2026 · ~1 min read

Key Changes

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  Southern Peru Copper secured $1.25 billion through a New York bond offering at 5.35% annual interest (maturing 2036) to finance the Tía María copper mining project, which is expected to begin operations in Q3 2027.

  Item 8.01 — Other Events verify on EDGAR →
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  Tía María will produce 120,000 metric tons of refined copper annually using advanced extraction technology. The project has a $1.8 billion total capital budget, with $948 million already committed.

  Exhibit 99.1 verify on EDGAR →
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  Over its first 20 years at current copper prices, Tía María is projected to generate $24.1 billion in exports and contribute $6.2 billion in taxes and royalties to Peru's Arequipa region.

  Exhibit 99.1 verify on EDGAR →