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Cowen Group, Inc. Announces Third Quarter 2010 Earnings Conference Call

NEW YORK, Nov 08, 2010 (BUSINESS WIRE) —

Cowen Group, Inc. (NASDAQ: COWN) will host a conference call on November
11, 2010 at 9:00 AM Eastern Time to discuss the Company’s financial
results for the third quarter of 2010.

Investors can participate in the conference call by dialing
1-800-706-7749 domestic or 1-617-614-3474 international. The passcode
for the call is 80581569.

For your convenience, the conference call can be replayed in its
entirety beginning at 12:00 PM Eastern Time on November 11, 2010 through
November 18, 2010. 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 75911863.

The conference call will also be broadcast live through a link on the
Investor Relations page on the Cowen Web site at
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 leading diversified financial services firm
providing alternative investment management, investment banking,
research, and sales and trading services through its business units,
Ramius and Cowen and Company. Its alternative investment management
products include hedge funds, fund of funds, real estate funds,
healthcare royalty funds, cash management and commodity trading funds,
offered primarily under the Ramius name. 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

SOURCE: Cowen Group, Inc.

Cowen Group, Inc.
Christopher A. White, 1-646-562-1197
Chief of Staff