In September 2005, highly publicized mutual allegations of corruption erupted between Poroshenko and Prime Minister Yulia Tymoshenko involving the privatizations of state-owned firms.
I september 2005 brød meget omtalte gensidige beskyldninger om korruption ud mellem Porosjenko og premierminister Julia Timosjenko, der involverede privatiseringen af statsejede virksomheder.