January 2013...
" The Ukip leader said he does not want to be prime minister but warned the other political parties not to underestimate his hunger for influence.
Although the party still has no MPs, Mr Farage suggested he would be open to a pact with the Tories..."
http://www.telegraph.co.uk/news/politics/ukip/9784758/Ukip-could-be-in-2015-Coalition-Government.html
September 2013...
"UK Independence Party (Ukip) leader Nigel Farage today said he was ready to do an electoral deal with the Conservatives in return for a promise "written in blood" of an in/out referendum on British membership of the European Union (EU)...
...He predicted that Deputy Prime Minister Nick Clegg would be appointed a European Commissioner ahead of the election,
leaving the Tories facing a possible coalition between Labour and the Liberal Democrats under a more left-wing leader like Vince Cable or Tim Farron,
and in need of allies....
..."But all this talk of a deal with the Conservatives hasn't come from me. It has come from members of the Conservative Party saying to David Cameron 'Look, the Lib Dems are going to get rid of Clegg, because you are going to make him the European Commissioner in November 2014 to replace Baroness Ashton, and the Lib Dems under Vince Cable or Tim Farron will look to do a deal with Labour, and if Ukip are on 10% or more in the polls, you must look to do a deal with Ukip'..."
http://www.independent.co.uk/news/uk/politics/ukip-would-consider-election-deal-with-conservatives-in-return-for-referendum-promise-8163360.html