Potom su 13. jula, energetske kompanije zemalja-učesnica projekta Nabucco -- Austrije, Bugarske, Mađarske, Rumunije i Turske -- potpisale međuvladin sporazum u Ankari, time dodatno poguravši taj projekat.
Then, on July 13th, the energy companies of the countries participating in Nabucco -- Austria, Bulgaria, Hungary, Romania and Turkey -- signed an intergovernmental agreement in Ankara, giving a further push to the project.