KGHM Polska Miedz Spólka Akcyjna (WSE:KGH) does not plan to sell its Sierra Gorda copper mining project in Chile, its Chief Executive said. “At the moment we do not have plans to sell the Sierra Gorda asset, even though the project historically has been difficult we are now managing to rebuild its value,” Marcin Chludzinski, Chief Executive told reporters after a press conference.