Company Press Release

NEW YORK, NY, April 18, 2012—Cohen & Steers, Inc. (NYSE: CNS) reported income attributable to common shareholders of $18.1 million, or $0.41 per share (diluted and basic), for the quarter ended March 31, 2012, compared with income attributable to common shareholders of $13.0 million, or $0.30 per share (diluted and basic), for the quarter ended March 31, 2011. Total revenue for the first quarter of 2012 was $63.7 million, an increase of 16.4% from $54.8 million for the first quarter of 2011.

Assets Under Management

Assets under management were $44.9 billion as of March 31, 2012, an increase of 8.7% from $41.3 billion at December 31, 2011 and an increase of 18.0% from $38.0 billion at March 31, 2011. The increase from December 31, 2011 was due to market appreciation of $4.0 billion, partially offset by net outflows of $425 million. The increase from March 31, 2011 was due to net inflows of $5.2 billion, primarily into U.S. real estate strategies, and market appreciation of $1.7 billion. Average assets under management were $43.0 billion for the quarter ended March 31, 2012, an increase of 6.8% from $40.3 billion for the quarter ended December 31, 2011 and an increase of 19.2% from $36.1 billion for the quarter ended March 31, 2011.

Assets under management for institutional accounts were $26.6 billion as of March 31, 2012, an increase of 4.8% from $25.4 billion at December 31, 2011 and an increase of 21.3% from $21.9 billion at March 31, 2011. The increase from December 31, 2011 was due to market appreciation of $2.6 billion, partially offset by net outflows of $1.4 billion, primarily from global/international real estate strategies associated with subadvisory relationships. The increase from March 31, 2011 was due to net inflows of $3.5 billion, primarily into subadvisory relationships, and market appreciation of $1.2 billion. Average assets under management for institutional accounts were $25.9 billion for the quarter ended March 31, 2012, an increase of 3.8% from $24.9 billion for the quarter ended December 31, 2 2011 and an increase of 25.2% from $20.7 billion for the quarter ended March 31, 2011.

Assets under management for open-end mutual funds were $11.6 billion as of March 31, 2012, an increase of 20.5% from $9.6 billion at December 31, 2011 and an increase of 23.4% from $9.4 billion at March 31, 2011. The increase from December 31, 2011 was due to market appreciation of $1.0 billion and net inflows of $938 million. The increase from March 31, 2011 was due to net inflows of $1.7 billion and market appreciation of $480 million.

Average assets under management for open-end mutual funds were $10.6 billion for the quarter ended March 31, 2012, an increase of 15.2% from $9.2 billion for the quarter ended December 31, 2011 and an increase of 20.0% from $8.8 billion for the quarter ended March 31, 2011. Assets under management for closed-end mutual funds were $6.7 billion as of March 31, 2012, an increase of 6.5% from $6.3 billion at December 31, 2011 and a decrease of 0.2% from $6.7 billion at March 31, 2011. The increase from December 31, 2011 was due to market appreciation of $409 million. Average assets under management for closed-end mutual funds were $6.6 billion for the quarter ended March 31, 2012, an increase of 6.0% from $6.2 billion for the quarter ended December 31, 2011 and a decrease of 0.8% from $6.6 billion for the quarter ended March 31, 2011.

About Cohen & Steers

Founded in 1986, Cohen & Steers is a leading global investment management firm focused on global real estate securities, global listed infrastructure, real assets, large cap value stocks, and preferred securities. The company also manages alternative investment strategies such as hedged real estate securities portfolios and private real estate multimanager strategies for qualified investors. Headquartered in New York City, with offices in London, Brussels, Hong Kong, Tokyo and Seattle, Cohen & Steers serves institutional and individual investors through a broad range of investment vehicles. Forward-Looking Statements This press release and other statements that Cohen & Steers may make may contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which reflect the company's current views with respect to, among other things, its operations and financial performance. You can identify these forward-looking statements by the use of words such as "outlook," "believes," "expects," "potential," "continues," "may," "will," "should," "seeks," "approximately," "predicts," "intends," "plans," "estimates," "anticipates" or the negative versions of these words or other comparable words. Such forward-looking statements are subject to various risks and uncertainties.

Accordingly, there are or will be important factors that could cause actual outcomes or results to differ materially from those indicated in these statements. The company believes that these factors include, but are not limited to, those described in the "Risk Factors" section of the company's Annual Report on Form 10-K for the year ended December 31, 2011, which is accessible on the Securities and Exchange Commission's website at www.sec.gov and on the company's website at www.cohenandsteers.com. These factors should not be construed as exhaustive and should be read in conjunction with the other cautionary statements that are included in this release. The company undertakes no obligation to publicly update or review any forward-looking statement, whether as a result 4 of new information, future developments or otherwise.