Via its Group company Thiess, the HOCHTIEF subsidiary Leighton has been awarded two contracts with a combined volume of approximately EUR 1.07 billion. The contract at the Burton Coal Mine in Queensland was extended by a volume of about EUR 969.7 million (AUD 1.3 billion). Thiess will continue mining operations there now until 2016. Also in Queensland, the company additionally secured a contract worth almost EUR 101.4 million (AUD 136 million) for a coal seam gas project.At the Burton Mine, Thiess will produce more than 2.5 million tons of coal annually. The Leighton subsidiary has already been responsible for contract mining at the open-cut mine since 1996. In this period, Thiess has handled a contract volume of about EUR 1.5 billion (AUD 2.01 billion) at the location and mined close to 50 million tons of coal. The client is Peabody Energy Coal. For the coal seam gas project, the Leighton subsidiary will install, among others, field compressor stations, pipelines and water storage ponds. Work will begin this month and is scheduled for completion in March 2012.