Citi Awarded Contract to Provide Calamos with Investment Administration Services

Mandate Includes Middle Office Services for Calamos'
Institutional Portfolios and Separately Managed Accounts

New York, NY - 14 December 2009 – Citi today announced that it has been awarded a mandate from Calamos Investments (NASDAQ: CLMS), a global investment management firm with $30.5 billion assets under management, to deliver a comprehensive suite of investment administration services. The mandate includes trade processing, portfolio accounting and reconciliation, performance measurement, collateral management and voluntary corporate action services for its institutional portfolios, funds and separately managed accounts.

"In our decision to select Citi, we were impressed by their expertise in investment operations as well as their modern, best-in-class technology," said Nimish Bhatt, Senior Vice President and Director of Operations of Calamos Investments. "Citi is unique in its ability to support both our retail and institutional lines of business. Their integrated offering ensures data consistency and adds scalability to our investment management and investor servicing activities, helping to ensure that our clients experience our commitment to quality." Barrington Partners, based in Boston, assisted Calamos in the due diligence and selection process.

Neeraj Sahai, Global Head of Citi's Securities and Fund Services, said, "We are pleased to have been selected by Calamos Investments after its rigorous and thorough evaluation of servicing options. A leading provider of a growing range of risk-managed strategies, Calamos is known for its service excellence. Their selection of Citi is an endorsement of our flexible and modular investment administration architecture to provide the highest levels of support for their investment products."

Through its Securities and Fund Services business, Citi provides institutions worldwide – investors, intermediaries and issuers – with an unparalleled portfolio of offerings that enable them to grow, reduce cost and mitigate risk. With over $11 trillion of assets under custody and the industry's largest proprietary network, clients can also leverage Citi's strength in capital markets to extract value across the entire investment value chain.

Global Transaction Services, a division of Citi's Institutional Clients Group, offers integrated cash management, trade, and securities and fund services to multinational corporations, financial institutions and public sector organizations around the world. With a network that spans more than 100 countries, Citi's Global Transaction Services supports over 65,000 clients. As of the third quarter of 2009, it held on average $314 billion in liability balances and $11.8 trillion in assets under custody.

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About Calamos
Calamos Investments is a globally diversified investment firm offering equity, fixed-income, convertible and alternative investment strategies, among others. The firm serves institutions and individuals around the world via separately managed accounts and a family of open-end and closed-end funds, providing a risk-managed approach to capital appreciation and income-producing strategies. Additional information may be found at www.calamos.com.

About Citi
Citi, the leading global financial services company, has approximately 200 million customer accounts and does business in more than 140 countries. Through Citicorp and Citi Holdings, Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Additional information may be found at www.citigroup.com or www.citi.com.