South32 buys 45% stake in Sierra Gorda copper mine for $1.9bn

LONDON, UK: South32 Limited has acquired a 45% interest in the Sierra Gorda copper mine from Sumitomo Metal Mining and Sumitomo Corporation (collectively Sumitomo). The final purchase price includes a US$1.4bn upfront cash payment plus a contingent price-linked consideration component of up to US$500mn, payable at threshold copper production rates and prices in the years 2022-25.…