Mine Operations are managed by Sonoma Mine Management Pty Ltd on behalf of joint venture participants:

• QCoal Sonoma Pty Ltd, a privately owned Queensland resource company. QCoal initiated development of the Sonoma deposit;
• Cliffs Australia Coal Pty Ltd, a wholly owned subsidiary of Cliffs Natural Resources Inc, a major US producer of direct-shipping fines and lump ore, coking and thermal coal;
• JFE Shoji Trade Corporation, part of the JFE Steel Goup, one of the largest steel producers in Japan;
• China Steel, the largest steel producer in Taiwan; and
• Watami Trading, a Hong Kong based trading company