Cowen Group, Inc. Completes Acquisition of Dahlman Rose & Company, LLC

NEW YORK–(BUSINESS WIRE)–Mar. 11, 2013–

Cowen Group, Inc. (NASDAQ: COWN) (“Cowen” or “the Company”) today
announced that it completed its previously announced acquisition of
Dahlman Rose & Company, LLC (“Dahlman Rose”), a privately-held
investment bank specializing in the energy, metals and mining,
transportation, chemicals and agriculture sectors. Financial terms of
the all-stock transaction were not disclosed.

About Cowen Group, Inc.

Cowen Group, Inc. is a diversified financial services firm and, together
with its consolidated subsidiaries, provides alternative investment,
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. Its alternative
investment products, solutions and services include hedge funds,
replication products, managed futures funds, fund of funds, real estate
and health care royalty funds. 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 located in major financial centers around the
world.

Source: Cowen Group, Inc.

INVESTORS:
Cowen Group, Inc.
Stephen Lasota, 212-845-7919
or
MEDIA:
Sard
Verbinnen & Co
Dan Gagnier/Carissa Ramirez, 212-687-8080