Among the many organisations that supported the petition officially were:
- The National Union of Journalists - UK and Ireland
- The Slovenian Journalists’ Union Sindikat novinarjev Slovenije
- Trade Union of Croatian Journalists Sindikat novinara Hrvatske
- Land and Liberty for the Mapucho people of Latin America: Terre et Liberté pour Arauco
- The Italian National Journalists’ Association: Federazione nazionale stampa italiana FNSI
- The Swiss media workers’ union: Comedia
- The France-Latin America Association: Association France-Amérique Latine
- French Europe-Ecology-Greens Party: Europe Ecologie Les Verts
- Attac France
- Action on Media Criticism (France): Action critique sur les médias (ACRIMED)
- French movement for the right to housing: Association Droit au Logement (DAL)
- French popular education movement: Mouvement politique d’éducation populaire (M’PEP)
- Save our Universities: French pressure group: Sauvons l’Université