The Paris-based group's revenue was 5.48 billion euros ($5.87 billion) in the third quarter of 2023, compared to 5.55 billion a year earlier.
The firm maintains its outlook for the full year.
($1 = 0.9341 euros)
(Reporting by Lina Golovnya and Stéphanie Hamel in Gdansk; Editing by Kim Coghill)