The leu closed at 4.466/4.469 per euro, weaker from 4.454/4.457 per euro at Thursday closing.
It opened at around 4.4645 to the euro, and stayed above 4.46 units during the session.
The central bank set the official exchange rate at 4.4595 per euro, slightly stronger than 4.4617 per euro on Thursday.
On the money market, overnight rates were almost flat at 4.9%-5.4% a year.