Operating revenues were $997.1m for the fourth quarter of 2011, down 3.1%, compared to $1.03bn for the same period a year ago.
Operating income was $211.6m, up 6.5%, compared to $198.7m for the same period a year ago.
Assets under management grew 1.4% to $625.3bn, compared to $616.5bn for the same period in 2010.
Invesco president and CEO Martin Flanagan said that the company’s efforts to provide strong, long-term investment performance to our clients contributed to the third year of long-term organic growth for the firm in spite of volatile markets, particularly during the final quarter of 2011.
"Strong investment performance led to positive net flows of $24.5 billion for the year and contributed to a 21.7% increase in adjusted earnings per share," added Flanagan.