Eric Greenhut Joins Ramius As Head Of Quantitative Trading Group

Ramius LLC (“Ramius”), the global alternative investment management business of Cowen Group, Inc. (“Cowen”) (NASDAQ: COWN), today announced that Eric Greenhut has joined the firm as a Managing Director and Head of Quantitative Trading. Ramius’ quantitative trading platform was developed in-house and has been deploying proprietary capital through systematic trading programs since early 2010. Ramius is now seeking to expand and diversify the platform in order to enhance returns to proprietary capital and ultimately create systematic trading products for Ramius’ clients. In a newly created role, Mr. Greenhut will be responsible for the management and development of the group, including the ongoing search for premier quantitative traders, researchers, and programmers. Mr. Greenhut will report to Thomas W. Strauss, President and CEO of Ramius.

“We welcome Eric to the firm and believe that his experience and skillset will be a valuable asset as we expand and advance our quantitative trading platform,” said Mr. Strauss. “Over the last two years, this platform has been generating superior results for Ramius’ own proprietary trading activities. As a result, we intend to grow the group substantially, both to enhance returns on our proprietary capital and to develop systematic trading products that will meet the ever evolving needs of our clients. We look forward to Eric’s contributions as we continue to build out Ramius’ quantitative trading group.”

Mr. Greenhut brings 16 years of financial services experience with him to Ramius. Prior to joining the firm, he served as Managing Member of quantitative trading firms Hut Trading LLC & Hut Capital LLC since 2003. Previous to that, he was Managing Director, Portfolio Manager, and a Director of Research at BNP Paribas/Cooper Neff. Mr. Greenhut is an honors graduate of Harvard College and Phillips Academy.

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.

About Ramius LLC

Ramius offers a broad range of investment solutions to institutions and private clients worldwide. Founded in 1994, Ramius and affiliates manage $10.3 billion* (as of January 1, 2012) across multiple asset classes and investing styles. Ramius is headquartered in New York City with offices located in London, Tokyo, Luxembourg and Munich.

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