"In addition, the company anticipates other costs to the business that are not possible to determine at this time, " the cruise-ship operator said in a statement.
Passenger bookings fell in January, but the cruise-ship operator added that it doesn't expect the accident to have a significant impact on its business in the long term.
The vessel's operator, the Dubai-based Pioneer Ship Management Services, reported that a cargo of petrol was loaded in Nigeria and was being moved to the US and Europe.