The Court:
1. Declares that, by failing to adopt, within the period prescribed, all the measures necessary for recovery, in accordance with Article 1(1) of Commission Decision 2008/723/EC of 18 July 2007 on State aid C 37/05 (ex NN 11/04) implemented by Greece — tax-exempt reserve fund, of the aid held unlawful and incompatible with the internal market, excepting the aid referred to in Article 1(2) and Articles 2 and 3 of that decision, the Hellenic Republic has failed to fulfil its obligations under Articles 4 to 6 of that decision;
2. Orders the Hellenic Republic to pay the costs.