Union leader Joseph Mathunjwa has never hesitated to go head-to-head with powerful CEOs in South Africa's mining industry, but now he may have to face down the government.
Sibanye-Stillwater has revised its offer for Lonmin, with new terms that gave a valuation for the struggling platinum miner that was about $77m less than originally proposed.
The company, South Africa's largest gold producer, has run up losses of about 1.6 billion rand ($114 million) and about 110,000 ounces of missed gold output because of the labour action.