Kaz Minerals, a copper company focused on Kazakhstan, narrowed its full-year production guidance on Thursday to 235,000-260,000 tonnes after first-half output more than doubled, boosted by a market hitting multi-year highs.
South Africa's Sibanye Gold flagged up a first-half earnings per share loss on Thursday, citing provisions worth 1.1 billion rand ($84 million) for a possible settlement with miners who contracted lung diseases at work.
While suppliers are not required to comply with the 2017 Charter, the procurement targets for Holders indirectly require them to meet such targets to remain competitive.
The miner said it remains cautious about the state of the global market for both rough and polished diamonds, noting that financing challenges persist.
Project will extend the life of its Spence copper mine in Chile by over 50 years, at a time when copper prices have reach their highest levels since late 2014.