âAnglo Americanâs portfolio is increasingly tilted towards future-enabling metals and minerals, with our recently proposed demerger of our thermal coal operations in South Africa moving us further in that direction,â Anglo American chief executive Mark Cutifani said. Photo: Anglo American Anglo American maintains its 2021 production guidance By Dineo Faku Share JOHANNESBURG - ANGLO American plc, the globally diversified mining company, maintained its production guidance for this year, except for metallurgical and thermal export coal where it has proposed a demerger of its South African thermal coal assets. Anglo expects to produce 14 million tons of thermal coal this year, from a previous estimate of 24 million tons, the group said in its production report for the first quarter to the end of March released yesterday.