Cowen Group Announces Addition to Board of Directors

Douglas A. Rediker Appointed to Board

NEW YORK–(BUSINESS WIRE)–Apr. 13, 2015–
Cowen Group, Inc. (“Cowen”) (NASDAQ: COWN) today announced that its
Board of Directors has appointed Douglas A. Rediker as an independent
director of the firm, effective immediately.

“Doug’s exceptional experience on global macro issues will bring a
unique perspective to the Board,” said Peter Cohen, Cowen’s Chairman and
CEO. “Doug has been at the center of the conversation as it relates to
capital markets, the economy and global governance issues. Having worked
with a variety of organizations, including his current and past roles
with the International Monetary Fund (IMF) and the World Economic Forum
(WEF), Doug’s insights are well-respected among international
economists. The Board looks forward to benefiting from his counsel.”

Mr. Rediker’s appointment expands the Board to eight directors, six of
whom are independent.

Mr. Rediker currently serves as the Executive Chairman of International
Capital Strategies, a political economy consulting firm he founded in
2012. He is also a Visiting Fellow at the Peterson Institute for
International Economics. From 2010 to 2012, Mr. Rediker represented the
U.S. on the Executive Board of the International Monetary Fund (IMF).
From 2011-2012, he served as the chairman and vice chairman of the World
Economic Forum (WEF) Geopolitical Risk Global Agenda Council and
currently serves as a member of the WEF’s Geo-economic Global Agenda
Council.

Previously, Mr. Rediker lived and worked in Europe for 16 years as a
senior investment banker with Dresdner Kleinwort, Lehman Brothers,
Merrill Lynch and Salomon Brothers and as a private equity investor with
TD Capital. He began his career as an attorney at Skadden Arps.

He also served as Senior Fellow at the New America Foundation and
director of the Global Strategic Finance Initiative, which he cofounded.
He is a member of the US Council on Foreign Relations.

Mr. Rediker has testified before the US Congress on subjects such as the
role of the IMF, foreign policy implications of the economic crisis, and
the threats and opportunities posed by sovereign wealth funds and state
capitalism. He is coeditor of the e-book, What’s Next: Essays on the
Geopolitics That Matter. He has published opinion pieces in the
Financial Times, New York Times, Foreign Policy, New Republic, Wall
Street Journal, Forbes, Fortune, Globalist, European Affairs, and
National Interest and has appeared on a regular basis on the BBC, CNN,
CNBC, and PBS. He was named an “Emerging Markets Superstar” by Global
Finance Magazine and has received both the “EEMEA Equity” and “M&A Deals
of the Year” by the International Financing Review.

Mr. Rediker graduated from Vassar College with an A.B. in political
science and received a Juris Doctor from Fordham University School of
Law.

About Cowen Group, Inc.

Cowen Group, Inc. is a diversified financial services firm and, together
with its consolidated subsidiaries, provides alternative asset
management, investment banking, research, and sales and trading services
through its two business segments: Ramius and its affiliates make up the
Company’s alternative investment segment, while Cowen and Company and
its affiliates make up the Company’s broker-dealer segment. Ramius
provides alternative asset management solutions to a global client base
and manages a significant portion of Cowen’s proprietary capital. Cowen
and Company and its affiliates offer 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 worldwide.

Source: Cowen Group, Inc.

Media:
Sard Verbinnen & Co
Dan Gagnier/Carissa
Felger, 212-687-8080