Shares in Bisichi Mining moved higher after the South African coal miner said it had finalised a year coal supply contract with a 'large Swiss-based commodity broker.'The contract, the terms of which are confidential, is for 900,000 tonnes of its export steam coal product to be supplied evenly over three years commencing January 2010.'By taking advantage of the higher forward prices for export steam coal, we have managed to secure a fixed price for our product at a significant premium to the current coal price,' Bisichi managing director Andrew Heller said.