Its 3.7% of the 2004 European Parliament election vote won the UEN 27 seats, which have since been augmented by the addition of three Polish MEPs in December.
Pateicoties 3,7% no balsīm 2004. gada Eiropas Parlamenta vēlēšanās, UEN ieguva 27 vietas Parlamentā, un decembrī tās papildināja trīs EP deputāti no Polijas.