Or someone is trying to cash in on a possible settlement. Robert Gottliebsen seems to think if Bolton wins then the Queensland government might have to buy off shareholders. Could be worth a punt if you could structure it to avoid personal liability to the next two instalments.
http://www.businessspectator.com.au/bs.nsf/Article/BrisConnections-on-a-knife-edge-$pd20090330-QLQDJ?OpenDocument&src=sph