Sibanye-Stillwater declares Mineral Resources and Mineral Reserves as at 31 December 2017

Sibanye-Stillwater (Tickers JSE: SGL and NYSE: SBGL) is pleased to report updated Mineral Resources and Mineral Reserves, as at 31 December 2017, including 2E Platinum Group Metals (PGM) Mineral Reserves and Resources for the United States region (US region) following the acquisition of Stillwater in May 2017.

Total 4E PGM Mineral Reserves declined by 4% to 22.358Moz mainly due to:

• Depletion of 1.500Moz due to mining activities during 2017
• A revision in the methodology of determining geological losses, by calibrating againstactual historical losses, resulted in a decrease in the overall estimated losses appliedto the SA PGM Operations. This resulted in an increase of 2.077Moz in Reserves
• Mineral Reserves at Siphumelele Mine declined by 0.691Moz as a result of the deferralof the UG2 expansion project. This project will be reviewed subject to an improvingeconomic environment

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