Willkie Farr & Gallagher LLP acted as legal advisor to Cowen on this transaction. Morgan Lewis & Bockius, LLP acted as legal advisor to Dahlman Rose for this transaction.Conference Call with Management Management of Cowen and Dahlman Rose will host a conference call to discuss the transaction on Monday, February 4, 2013, at 9:00 am EST. The call can be accessed by dialing 1-866-271-5140 domestic or 1-617-213-8893 international. The passcode for the call is 54527173. A replay of the call will be available beginning at 11:00 am EST February 4, 2013 through February 11, 2013. To listen to the replay of this call, please dial 1-888-286-8010 domestic or 1-617-801-6888 international and enter passcode 72705310. The call can also be accessed through live audio webcast or by delayed replay on the Company’s website at www.cowen.com. 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 makes up the Company’s alternative investment segment, while Cowen and Company is its 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 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 Dahlman Rose & Co., LLC Dahlman Rose & Co., LLC is a research-driven investment bank focused on energy, transportation, infrastructure, and other industries that compose the global supply chain. The firm’s industry-leading analysts, bankers, and traders offer unique insight into the companies and markets that provide the building blocks of the global economy. Dahlman Rose provides institutional sales and trading, equity research, mergers and acquisitions advisory, and underwriting services.