South African coal exports from Richards Bay Coal Terminal fell to 4.01 million tonnes in June from 4.6 million in May, exporters said.
Resources giant Anglo American has agreed to sell its interests in five underdeveloped coal assets in Australia for about $500m.
Both Homeland Energy and South African Coal Mining Holdings are being rescued financially by their new, controlling Indian shareholders.
Hundreds of workers at Shanduka Resources' coal mines have downed tools claiming the company had to centralise its bargaining in order to harmonise working conditions at all collieries.
Shiva Uranium, who took over Uranium One's Dominium Reefs Mine, has wasted no time cutting jobs at the mine despite promising the Competition Commission that no job losses would result from the takeover.
Power utility Eskom will hold a briefing on wage negotiations with the National Union of Mineworkers and the National Union of Metalworkers of SA as the unions confirmed strike notices.
The largest union representing Eskom workers have decided to go ahead with a strike next week, which may leave households and businesses in the dark during the World Cup.
Diversified mining group Exxaro has announced that the Tiwest Joint Venture partners - itself and Tronox Incorporated - have successfully commissioned the Tiwest Kwinana titanium dioxide (TiO2) pigment plant expansion project.
Power utility Eskom says that it has contingency plans in place, should it face strike action, but unions say they are reluctant to take the striking option.
Australian junior Riversdale Mining has lined up two major Chinese backers for its second proposed coal venture on the Moatize field in Mozambique.