Company said it would keep its Beatrix West gold mine running for as long as it makes a profit, on average, over any continuous period of three months.
Precious metals miner said its platinum group metals (PGM) operations had delivered "solid operational results" in the first-half of 2017, prompting an upward revision to its 2017 production forecast and a downward revision to guided costs.
Company will pay $30 million for a 15 percent interest in a platinum project in the northern Waterberg region and had an option to acquire a majority stake in the development.
The country's chamber of mines and the ministry are locked in a number of legal disputes over the mining charter, which aims to increase black ownership and participation in the industry as part of a government drive to overcome apartheid's legacies.