Defendants: European Commission (represented by: B. Smulders and J.-P. Keppenne, Agents); and European Central Bank (ECB) (represented by: A. Sáinz de Vicuña Barroso, N. Lenihan and F. Athanasiou, Agents, and by W. Bussian, W. Devroe and D. Arts, lawyers)
Parties défenderesses: Commission européenne (représentants: B. Smulders et J.-P. Keppenne, agents); et Banque centrale européenne (BCE) (représentants: A. Sáinz de Vicuña Barroso, N. Lenihan et F. Athanasiou, agents, assistés de W. Bussian, W. Devroe et D. Arts, avocats)