The leu closed at 4.3856/4.3875 per euro, from 4.391/4.393 per euro a day earlier.
Elsewhere in the region Thursday afternoon, the Hungary’s forint was losing 0.54% versus the euro, while the Polish zloty was down 0.12%.
The leu opened slightly below 4.39 per euro and ranged between an intraday high of 4.3829 per euro and a low of 4.3905.
The central bank set the leu’s reference at 4.3847 to the euro, the strongest rate since May 31, 2013.
Market participants said the appreciation was fueled by reports that the central bank might lower the reserve requirements for foreign currency deposits at its next monetary policy meeting July 1. People familiar with the matter told Mediafax that the reserve requirements would be cut to 18% from 20% presently.
Against the US dollar, the leu’s indicative advanced 0.3% to 3.2205 units.
In the money market, overnight rates were at 2.3%-2.8% a year.