The Liberal–National coalition ministry was formed following the defeat of the Keneally-led Labor government at the 2011 election.

On 28 March 2011, O'Farrell and Nationals leader Andrew Stoner were sworn in by Governor Marie Bashir, as Premier and Deputy Premier respectively at a ceremony held in the office of the Chief Secretary of New South Wales.

[2] The balance of the ministry was sworn in on 3 April 2011 at Government House by the Lieutenant Governor, James Spigelman.

[3] On 16 April 2014, O'Farrell announced his intention to resign as Premier and as Leader of the Liberal Party, leading to the end of his government.

[b] The ministry was re-arranged when Chris Hartcher resigned from cabinet in December 2013.