Demand for the paper amounted to RON519.5 million and the ministry allocated RON20 million more than its initial plan of RON300 million.
Romania last sold September 2031 bonds in April at an average yield of 5.21%.
Romania's finance ministry on Thursday raised an above-plan 320 million lei (EUR67.2 million) selling treasury bonds maturing in September 2031 at an average yield of 5.17%, central bank data showed.