Manufacturing output increased 12.1% on the year in the first quarter, while energy production was up 2.7%. However, mining output declined 0.5% year-on-year.
The data are adjusted for the number of working days and seasonal factors.
In unadjusted data, Romanian industrial production rose 10.1% on the year in the first quarter.
In March alone, adjusted industrial production increased 1.1% on the month and was up 11.6% compared with the same month of 2013.