Translate the following English sentence to French:
"Mr Prodi also announced greater transparency, but his draft regulation signals a clear backward step, and that is not only my assessment, but also that of the European Ombudsman."
M. Prodi avait annoncé une plus grande transparence, mais sa proposition de règlement représente un pas en arrière, ce qui n'est pas seulement mon opinion, mais aussi celle du Médiateur européen.