Cowen Group, Inc. (NASDAQ: COWN) will host a conference call on May 4, 2012 at 9:00 AM Eastern Time to discuss the Company's financial results for the 2012 first quarter. Investors can participate in the conference call by dialing 1-866-730-5766 domestic or 1-857-350-1590 international. The passcode for the call is 66763619. For your convenience, the conference call can be replayed in its entirety beginning at 11:00 AM Eastern Time on May 4, 2012 through May 11, 2012. If you wish to listen to the replay of this conference call, please dial 1-888-286-8010 domestic or 1-617-801-6888 international and enter passcode 67607269. The conference call will also be broadcast live through a link on the Investor Relations page on the Cowen Web site at http://www.cowen.com. Please go to the Web site at least 15 minutes prior to the call to register, download and install any necessary audio software. A replay of the broadcast will be available on the Investor Relations page of the Cowen Web site. About Cowen Group, Inc. Cowen Group, Inc. is a diversified financial services firm and, together with its consolidated subsidiaries, provides alternative investment management, investment banking, research, and sales and trading services through its two business segments: Ramius and its affiliates makes up the Company's alternative investment management segment, while Cowen and Company is its broker-dealer segment. Its alternative investment management products, solutions and services include hedge funds, replication products, managed futures funds, fund of funds, real estate, health care royalty funds and cash management services. Cowen and Company offers industry focused investment banking for growth-oriented companies, domain knowledge-driven research and a sales and trading platform for institutional investors. Founded in 1918, the firm is headquartered in New York and has offices located in major financial centers around the world.