In October 2004, Kóka was appointed Minister of Economy and Transport, supported by SZDSZ, which he later became a member of in 2006.
On March 31, 2008, various reform-related disagreements between the Hungarian Socialist Party (MSZP) and SZDSZ led SZDSZ leader Kóka to announce that his party would quit the coalition by May 1, 2008 [REF].