It succeeded the Gallop Ministry on 3 February 2006 due to the retirement of Dr Geoff Gallop from politics on 25 January, and was in turn succeeded by the Barnett Ministry on 23 September 2008 after the Labor Party lost government at the state election held on 6 September.
The following ministers and parliamentary secretaries were then appointed to the positions, and served until the reconstitution of the Ministry on 13 December 2006.
The list below is ordered by decreasing seniority within the Cabinet, as indicated by the Government Gazette and the Hansard index.
[7] It was decided not to replace Norm Marlborough's position in the cabinet, vacated a month earlier, so the number of ministers decreased from 17 to 16.
[8] Apart from Tony McRae and John Bowler, the members remained Ministers until the end of the Carpenter Ministry on 23 September 2008.