Decision comes in the wake of a full-scale investor revolt led by the Investor Forum, a London-based body representing some of the world’s biggest money managers.
The two firms are just the latest names in a long list of companies that includes major players such as Rio Tinto, interested in grabbing a stake in Chile’s Chemical and Mining Society (SQM).
The mining veteran could face competition from internal candidates, including former head of UK gas company Centrica, Sam Laidlaw, who now sits on Rio’s board.
Pilbara Minerals has announced a potential joint venture with two South Korean companies to develop a lithium processing facility in the Asian country.