Banks offered a total of RON1.4 billion, central bank data showed.
At the latest similar auction April 21, the ministry sold roughly RON110 million of 10-year paper, at 7.4% annual average yield.
The ministry sold debt worth RON4.57 billion in May, down from RON6.1 billion sold a month earlier. Additionally, a three-year foreign currency bond auction held May 4 has brought the ministry EUR939.2 million.
So far this year, Romania sold RON26.3 billion in leu-denominated state notes. (EUR1=RON4.1333)