The conference and exhibition venue said that operating profit fell to £3.8m from £9.4m in 2008, while net profit declined from £4.6m to £171,803.
A total of 12 in-house events and 561 external events were held in the RAI complex in 2009, attracting a total of 1.8 million visitors (the same number as in 2007).
Two iconic RAI events celebrated milestones: The 50th edition of the equestrian event Jumping Amsterdam and the 25th edition of Art Amsterdam.
Looking ahead, RAI said it expects turnover and results for 2010 to be considerably higher than 2009.
Three major international exhibitions are planned for 2010, namely Intertraf?c, ISSA/INTERCLEAN and METS.
The RAI will also host a large number of events and exhibitions, including the annual financial industry convention Sibos organised by SWIFT, the 17th World Congress on Information Technology, and Powergen, a three-day exhibition and conference for the European energy sector.