Freeport warns copper export ban could cost Indonesia $2bn in lost revenue

Copper miner Freeport Indonesia has warned the Indonesian government that banning exports of copper concentrate in June could lead to a loss of $2-billion in revenues for Jakarta, a company official said on Thursday. Indonesia's export ban takes effect from June in an effort to force miners to invest in domestic smelting facilities, thus adding value to their products, boosting earnings from exports.