Revenues for the first quarter of 2012 declined 15.4% to EUR9.88bn, compared to EUR11.68bn for the same period a year ago.
The company said that the revenues were negatively affected by own debt revaluation, losses from sales of sovereign bonds and losses from sales of loans.
Excluding the above mentioned items, revenues were EUR10.94bn, a decline of only 6.3% compared to the first quarter of last year.
Operating income declined 48.1% to EUR2.90bn for the quarter, compared to EUR4.03bn for the same period prior year.
Corporate and investment banking revenues decreased 11% to EUR3.12bn, compared to EUR3.50bn for the same period last year.
French retail banking revenues rose 0.3% to EUR1.81bn for the quarter while Belgian retail banking revenues rose 3.4% to EUR841m.
BNP Paribas CEO Jean-Laurent Bonnafe said, "This quarter, the BNP Paribas Group had good operating performance with growing business activity in Domestic Markets and good performance of Capital Markets."