Barnett ministry

The following ministers and parliamentary secretaries were then appointed to the positions, and served until the reconstitution of the Ministry on 14 December 2010.

The list below is ordered by decreasing seniority within the Cabinet, as indicated by the Government Gazette and the Hansard index.

This followed the retirement of Liz Constable (Education), the removal of Rob Johnson (Police; Road Safety) and the earlier resignation on 12 June of Christian Porter (Treasurer; Attorney General), whose duties had been temporarily split between Premier Colin Barnett and senior minister Norman Moore.

The list below is ordered by decreasing seniority within the Cabinet, as indicated by the Government Gazette and the Hansard index.

John Castrilli (Local Government; Heritage; Citizenship and Multicultural Interests) and the retiring Norman Moore (Mines and Petroleum; Fisheries; Electoral Affairs) both resigned their positions, while Simon O'Brien (Finance; Commerce; Small Business), Robyn McSweeney (Child Protection; Community Services; Seniors and Volunteering; Women's Interests; Youth), and Murray Cowper (Training and Workforce Development; Corrective Services) each lost their portfolios.

[9] Liza Harvey was elected unopposed as his successor,[10] with a resultant ministerial reshuffle that took effect from 31 March 2016.