The 1999-2004 European Parliament included twelve representatives from the Party of European Socialists and nine from the European People's Party - European Democrats.
The Party of European Socialists (PES) is a social-democratic European political party. Maria Berger PES Herbert Bosch PES Harald Ettl PES Hans-Peter Martin PES Christa Prets PES Karin Scheele PES Hannes Swoboda PES Peter Bossu PES Philippe Busquin PES Claude Desama PES Freddy Thielemans PES Anne Van Lancker PES Freddy Blak PES Torben Lund PES Helle Thorning-Schmidt PES Ulpu Iivari PES Riitta Myller PES Reino Paasilinna PES 
