On Thursday, the reference was 4.3698 per euro.
Against the US dollar, the leu lost some 0.2%, and the official rate was set at 3.342 units.
The leu opened at 4.3575 per euro, close to Thursday closing values, and traded in a tight range for the first half of the session, on low transferred volumes.
On the money market, overnight rates stayed at 4.9%-5.4% a year.