Past performance does not guarantee or indicate future results. Portfolios are managed according to their respective strategies which may differ significantly in terms of security holdings, industry weightings, and asset allocation from those of the benchmark(s). Portfolio performance, characteristics and volatility may differ from the benchmark(s) shown.

The Calamos Global Convertible Composite is an actively managed composite investing primarily in a globally diversified portfolio of convertible securities. The Composite includes all fully discretionary fee paying accounts, including those no longer with the Firm. Accounts valued at less than $1,000,000 are not included. The Composite was created May 15, 2008, calculated with an inception date of October 1, 2001. Returns greater than 12 months are annualized.

The opinions referenced are as of the date of publication and are subject to change due to changes in the market or economic conditions and may not necessarily come to pass. Information contained herein is for informational purposes only and should not be considered investment advice.

The information provided in this report should not be considered a recommendation to purchase or sell any particular security. There is no assurance that any securities discussed herein will remain in an account's portfolio at the time you receive this report or that securities sold have not been repurchased. The securities discussed do not represent an account's entire portfolio and in the aggregate may represent only a small percentage of an account's portfolio holdings.

It should not be assumed that any of the securities transactions or holdings discussed were or will prove to be profitable, or that the investment recommendations or decisions we make in the future will be profitable or will equal the investment performance of the securities discussed herein.

The BofA Merrill Lynch Global 300 Cv Index (VG00) is a $US/Local-denominated unmanaged index generally indicative of the overall global convertible market.

Fees include the investment advisory fee charge by Calamos Advisors LLC. Returns greater than 12 months are annualized. Chart Data Sources: Russell/Mellon Analytical Services LLC and Calamos Advisors LLC.

The MSCI World Index is a market capitalization weighted index composed of companies representative of the market structure of developed market countries in North America, Europe, and the Asia/Pacific Region.

Average annual total return measures net investment income and capital gain or loss from portfolio investments as an annualized average assuming reinvestment of dividends and capital gains distributions.

Unmanaged index returns assume reinvestment of any and all distributions and do not reflect fees, expenses or sales changes. Investors cannot invest directly in an index.

Past performance does not guarantee or indicate future results. Portfolios are managed according to their respective strategies which may differ significantly in terms of security holdings, industry weightings, and asset allocation from those of the benchmark(s). Portfolio performance, characteristics and volatility may differ from the benchmark(s) shown.

The information portrayed on the composition tab is supplemental information to the Calamos Global Convertible Composite and as such only relate to the representative portfolio shown. Representative holdings and portfolio characteristics are specific only to the portfolio shown at that point in time. Other portfolios will vary in composition, characteristics, and will experienced different investment results. The representative portfolio shown has been selected by the advisor based on account characteristics that the advisor feels accurately represents the investment strategy as a whole.

The Calamos Global Convertible Composite is an actively managed composite investing primarily in a globally diversified portfolio of convertible securities. The Composite includes all fully discretionary fee paying accounts, including those no longer with the Firm. Accounts valued at less than $1,000,000 are not included. The Composite was created May 15, 2008, calculated with an inception date of October 1, 2001. Returns greater than 12 months are annualized.

The opinions referenced are as of the date of publication and are subject to change due to changes in the market or economic conditions and may not necessarily come to pass. Information contained herein is for informational purposes only and should not be considered investment advice.

The information provided in this report should not be considered a recommendation to purchase or sell any particular security. There is no assurance that any securities discussed herein will remain in an account's portfolio at the time you receive this report or that securities sold have not been repurchased. The securities discussed do not represent an account's entire portfolio and in the aggregate may represent only a small percentage of an account's portfolio holdings.

It should not be assumed that any of the securities transactions or holdings discussed were or will prove to be profitable, or that the investment recommendations or decisions we make in the future will be profitable or will equal the investment performance of the securities discussed herein.

The BofA Merrill Lynch Global 300 Cv Index (VG00) is a $US/Local-denominated unmanaged index generally indicative of the overall global convertible market.

Fees include the investment advisory fee charge by Calamos Advisors LLC. Returns greater than 12 months are annualized. Chart Data Sources: Russell/Mellon Analytical Services LLC and Calamos Advisors LLC.

Average annual total return measures net investment income and capital gain or loss from portfolio investments as an annualized average assuming reinvestment of dividends and capital gains distributions.

Unmanaged index returns assume reinvestment of any and all distributions and do not reflect fees, expenses or sales changes. Investors cannot invest directly in an index.

As of 3/31/11

Past performance does not guarantee or indicate future results. Portfolios are managed according to their respective strategies which may differ significantly in terms of security holdings, industry weightings, and asset allocation from those of the benchmark(s). Portfolio performance, characteristics and volatility may differ from the benchmark(s) shown.

The information portrayed on the composition tab is supplemental information to the Calamos Global Convertible Composite and as such only relate to the representative portfolio shown. Representative holdings and portfolio characteristics are specific only to the portfolio shown at that point in time. Other portfolios will vary in composition, characteristics, and will experienced different investment results. The representative portfolio shown has been selected by the advisor based on account characteristics that the advisor feels accurately represents the investment strategy as a whole.

The Calamos Global Convertible Composite is an actively managed composite investing primarily in a globally diversified portfolio of convertible securities. The Composite includes all fully discretionary fee paying accounts, including those no longer with the Firm. Accounts valued at less than $1,000,000 are not included. The Composite was created May 15, 2008, calculated with an inception date of October 1, 2001.

The opinions referenced are as of the date of publication and are subject to change due to changes in the market or economic conditions and may not necessarily come to pass. Information contained herein is for informational purposes only and should not be considered investment advice.

The information provided in this report should not be considered a recommendation to purchase or sell any particular security. There is no assurance that any securities discussed herein will remain in an account's portfolio at the time you receive this report or that securities sold have not been repurchased. The securities discussed do not represent an account's entire portfolio and in the aggregate may represent only a small percentage of an account's portfolio holdings.

It should not be assumed that any of the securities transactions or holdings discussed were or will prove to be profitable, or that the investment recommendations or decisions we make in the future will be profitable or will equal the investment performance of the securities discussed herein.

The BofA Merrill Lynch Global 300 Cv Index (VG00) is a $US/Local-denominated unmanaged index generally indicative of the overall global convertible market.

Fees include the investment advisory fee charge by Calamos Advisors LLC. Returns greater than 12 months are annualized. Chart Data Sources: Russell/Mellon Analytical Services LLC and Calamos Advisors LLC.

Average annual total return measures net investment income and capital gain or loss from portfolio investments as an annualized average assuming reinvestment of dividends and capital gains distributions.

Unmanaged index returns assume reinvestment of any and all distributions and do not reflect fees, expenses or sales changes. Investors cannot invest directly in an index.