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.

Returns and Risk/Reward statistics presented reflect the Calamos High Yield Composite which is an actively managed composite investing in high yield fixed income securities, primarily with credit ratings lower than investment grade securities. The Composite was created January 1, 2001, calculated with an inception date of November 1, 1999 and includes all fully discretionary, fee paying accounts of $500,000 or more, including those no longer with the Firm.

Unmanaged index returns assume reinvestment of any and all distributions and, unlike fund returns, do not reflect fees, expenses or sales charges. Investors cannot invest directly in an index. The CS High Yield Index consists of US denominated high yield issues of developed countries. Issues must be publicly registered in the U.S. or issued under Rule 144A with registration rights, must be rated “BB” or lower, and the minimum amount outstanding (par value) must be at least $75 million.

The BofA Merrill Lynch US High Yield Master II Index (H0A0) is a commonly used benchmark index for high yield corporate bonds. It is administered by BofA Merrill Lynch. The Master II is a measure of the broad high yield market.

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.

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.

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 High Yield 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.

Returns and Risk/Reward statistics presented reflect the Calamos High Yield Composite which is an actively managed composite investing in high yield fixed income securities, primarily with credit ratings lower than investment grade securities. The Composite was created January 1, 2001, calculated with an inception date of November 1, 1999 and includes all fully discretionary, fee paying accounts of $500,000 or more, including those no longer with the Firm.

Unmanaged index returns assume reinvestment of any and all distributions and, unlike fund returns, do not reflect fees, expenses or sales charges. Investors cannot invest directly in an index. The CS High Yield Index consists of US denominated high yield issues of developed countries. Issues must be publicly registered in the U.S. or issued under Rule 144A with registration rights, must be rated "BB" or lower, and the minimum amount outstanding (par value) must be at least $75 million.

The BofA Merrill Lynch US High Yield Master II Index (H0A0) is a commonly used benchmark index for high yield corporate bonds. It is administered by BofA Merrill Lynch. The Master II is a measure of the broad high yield market.

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.

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.

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 attribution tab is supplemental information to the Calamos High Yield 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.

Returns and Risk/Reward statistics presented reflect the Calamos High Yield Composite which is an actively managed composite investing in high yield fixed income securities, primarily with credit ratings lower than investment grade securities. The Composite was created January 1, 2001, calculated with an inception date of November 1, 1999 and includes all fully discretionary, fee paying accounts of $500,000 or more, including those no longer with the Firm.

Unmanaged index returns assume reinvestment of any and all distributions and, unlike fund returns, do not reflect fees, expenses or sales charges. Investors cannot invest directly in an index. The CS High Yield Index consists of US denominated high yield issues of developed countries. Issues must be publicly registered in the U.S. or issued under Rule 144A with registration rights, must be rated “BB” or lower, and the minimum amount outstanding (par value) must be at least $75 million.

The BofA Merrill Lynch US High Yield Master II Index (H0A0) is a commonly used benchmark index for high yield corporate bonds. It is administered by BofA Merrill Lynch. The Master II is a measure of the broad high yield market.

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.

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.