Its main centre of activity was Belgium, particularly Université catholique de Louvain based in Louvain-la-Neuve.
The ECP was frequently plagued by infiltrations by agents of the Mobutist regime.
[2] Following the Shaba I clashes in 1977, the Front for the National Liberation of the Congo (FLNC) sought contact with ECP.
ECP members went to Angola between July and November 1977 and were incorporated into the FLNC Central Committee.
[3] In July 1980, the ECP, together with the FLNC and other exiled opposition groups, founded the Council for the Liberation of the Congo-Kinshasa (Conseil pour la Libération du Congo-Kinshasa, CLC) in Brussels.