Affiliated Managers Group Inc. reported consolidated earnings results for the fourth quarter and full year ended Dec. 31, 2012. For the quarter, the company reported revenue of $491 million compared to $402.4 million a year ago. Operating income was $126.9 million compared to $95.2 million a year ago. Income before income taxes was $177.1 million compared to $109.0 million a year ago. Net income was $139.3 million or $1.40 diluted per share compared to $89.1 million or $0.77 diluted per share a year ago. Cash flow from operating activities was $186.2 million compared to $158.6 million a year ago. Purchase of fixed assets was $10.1 million compared to $7.7 million a year ago. EBITDA was $182.1 million compared to $116.3 million a year ago.

For the year ended Dec. 31, 2012, the company reported revenue of $1,805.5 million compared to $1,704.8 million a year ago. Operating income was $400.4 million compared to $486.1 million a year ago. Income before income taxes was $495.2 million compared to $452.7 million a year ago. Net income was $411.4 million or $3.28 diluted per share compared to $359.6 million or $3.11 diluted per share a year ago. Cash flow from operating activities was $633.2 million compared to $708.5 million a year ago. Purchase of fixed assets was $20 million compared to $16.1 million a year ago. EBITDA was $543.4 million compared to $471.3 million a year ago. Excellent results for the quarter and the year were driven by the strong investment performance and new business momentum of affiliates, as well as significant deployment of capital through new investment strategy.

The company provided interest expense guidance for the first quarter and earnings guidance for the full year of fiscal 2013. The company expects total interest expense to be approximately $31 million for the first quarter.

The company raised 2013 guidance as it expects economic earnings per share to be in the range of $8.60 to $9.50. The lower end of 2013 guidance includes a modest contribution from performance fees and organic growth, while the upper end of the range assumes a more robust contribution from both performance fees and net client cash flows.