MEDIA RELEASE PR39057 
 
Ramius Alternative Solutions and Perpetual Investment Management Announce Partnership 
 
NEW YORK, Apr. 8 /PRNewswire-AsiaNet/ -- 
 
         Ramius Selected by Perpetual to Advise on Customized Hedge Fund 
                                  Products 
 
    Ramius Alternative Solutions LLC ("Ramius"), a division of Cowen Group, 
Inc. (Nasdaq: COWN), and Perpetual Investment Management Limited 
("Perpetual"), today announced that they have agreed to create a partnership 
through which Ramius will advise Perpetual's Multi Manager Group on its hedge 
funds investment activities. Ramius Alternative Solutions is an investment 
advisor offering a range of hedge fund investment and advisory solutions, 
including customized and commingled fund of funds, portfolio completion, 
portfolio hedging, and hedge fund replication services to a global 
institutional client base. Perpetual is one of Australia's most highly 
regarded investment managers offering a broad range of products for personal 
investment, superannuation and retirement as well as corporate funds 
management. 
 
    Under the partnership, Ramius will work with Perpetual's Multi Manager 
Group to manage two separate customized fund of hedge funds products 
specifically designed to complement two multi-asset alternatives portfolios, 
the Perpetual Defensive Alternatives Fund and the Perpetual Growth 
Alternatives Fund. These Funds invest in a range of alternative strategies 
including private equity, private real estate, infrastructure, specialist 
credit and hedge funds. 
 
    Thomas W. Strauss, Chief Executive Officer of Ramius LLC, said, "We are 
delighted to have been selected by Perpetual, one of the most prestigious 
firms in the Australian financial market, as their hedge fund partner and 
advisor and we look forward to working with their talented Multi Manager team 
to maximize the potential of this relationship for both parties. Our 
partnership with Perpetual further validates the model that Ramius has 
established as a sophisticated global hedge fund investment platform that has 
the team, experience, infrastructure and investment processes in place to 
deliver value-added intellectual capital to sophisticated institutional 
clients like Perpetual." 
 
    Damien Webb, Head of Multi Manager at Perpetual, stated, "We believe that 
partnering with Ramius can create significant benefits and opportunities for 
our alternative investments funds to meet the investment objectives of our 
clients, specifically the high net worth client base of Perpetual Private 
Wealth. Through this partnership, we will be able to take advantage of 
Ramius' global expertise and contacts, rigorous due diligence process and 
institutional platform. We are excited about the prospects that our work with 
Ramius has to offer our clients and we look forward to the ongoing 
development of this dynamic relationship." 
 
    About Ramius Alternative Solutions LLC 
    Ramius Alternative Solutions LLC is an investment advisor offering a 
range of hedge fund investment and advisory solutions, including customized 
and commingled fund of funds, portfolio completion, portfolio hedging, and 
hedge fund replication services to a global institutional client base. The 
group has offices in New York, London and Munich. 
 
    About Cowen Group, Inc. 
    Cowen Group, Inc. is a diversified financial services firm providing 
alternative investment management, investment banking, research, and sales 
and trading services through its business units, Ramius and Cowen and 
Company. Its alternative investment management products include hedge funds, 
fund of funds, real estate, healthcare royalty funds and cash management, 
offered primarily under the Ramius name. 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 Perpetual Limited 
    Perpetual is one of Australia's most experienced investment services 
groups, with an enduring passion for protecting and growing our clients' 
wealth. Founded in Sydney in 1886 as Perpetual Trustees, we've helped 
generations of Australians invest and manage their wealth through all market 
conditions. Today we are one of the Top 100 companies listed on the 
Australian Securities Exchange, and manage investment funds exceeding $29 
billion, administer over $222 billion of client funds, and advise clients on 
over $8.1 billion of investments (as at 31 December 2009). We provide quality 
investment products, financial advice and corporate services to individuals, 
families, financial advisers and organisations. Clients can access our 
investment products through a broad range of financial advisers, other 
financial institutions and directly from us. 
 
SOURCE: Cowen Group, Inc. 
 
    CONTACT: Dan Gagnier or Chris Kittredge,  
             both of Sard Verbinnen & Co, 
             +1-212-687-8080,  
             Ramius@sardverb.com,  
 
             or Jean Calleja,  
             +1-646-562-1888