Cowen Group, Inc.’s Chief Operating Officer and Head of Investment Banking to Present at the Sandler O’Neill 2011 Global Exchange & Brokerage Conference

Cowen Group, Inc. ("Cowen”) (NASDAQ: COWN) announced today that Jeffrey Solomon, Chief Operating Officer and Head of Investment Banking, is scheduled to present at the Sandler O’Neill 2011 Global Exchange and Brokerage Conference at the St. Regis New York Hotel in New York City on Thursday, June 9, 2011 at 11:00 a.m. Eastern Time.

A link to a webcast of the presentation and a downloadable slideshow will be available shortly before the presentation begins on Cowen’s web site at www.cowen.com. In addition, a replay of the event will be available on Cowen’s web site through July 8, 2011.

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.