Calamos Tax Center

2007 Open-End Mutual Fund Income Distributions
Choose a Share Class

Fund R Shares
Ticker Symbol (Inception Date)		 Record Date Ex-date Payable Date Income Dividends
Domestic Equity
Growth Fund
CGRRX (9/4/90)
 3/21/2007 3/22/2007 3/22/2007 -
6/20/2007 6/21/2007 6/21/2007 -
  9/19/2007 9/20/2007 9/20/2007 -
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 -
      Total -
Growth and Income Fund
CGNRX (9/22/88)
 3/21/2007 3/22/2007 3/22/2007 0.090460
6/20/2007 6/21/2007 6/21/2007 0.084160
  9/19/2007 9/20/2007 9/20/2007 0.118370
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 0.172970
      Total 0.465960
Value Fund
CVARX (1/2/02)
 3/21/2007 3/22/2007 3/22/2007 -
6/20/2007 6/21/2007 6/21/2007 -
  9/19/2007 9/20/2007 9/20/2007 -
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 0.071170
      Total 0.071170
Blue Chip Fund
CBCRX (12/1/03)
 3/21/2007 3/22/2007 3/22/2007 -
6/20/2007 6/21/2007 6/21/2007 -
  9/19/2007 9/20/2007 9/20/2007 -
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 0.014090
      Total 0.014090
Multi-Fund Blend
CMQRX (6/28/06)
 3/21/2007 3/22/2007 3/22/2007 -
6/20/2007 6/21/2007 6/21/2007 -
  9/19/2007 9/20/2007 9/20/2007 -
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 0.032090
      Total 0.032090
Global/International
Global Growth and Income Fund
CVLRX (9/9/96)
 3/21/2007 3/22/2007 3/22/2007 -
6/20/2007 6/21/2007 6/21/2007 -
  9/19/2007 9/20/2007 9/20/2007 -
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 -
      Total -
International Growth Fund
CIGFX (3/16/05)
 3/21/2007 3/22/2007 3/22/2007 -
6/20/2007 6/21/2007 6/21/2007 -
  9/19/2007 9/20/2007 9/20/2007 -
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 0.047390
      Total 0.047390
Global Equity Fund
CRGEX (3/1/07)
 3/21/2007 3/22/2007 3/22/2007 -
6/20/2007 6/21/2007 6/21/2007 -
  9/19/2007 9/20/2007 9/20/2007 -
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 -
      Total -
Convertible/Convertible Blends
Convertible Fund1
CCVRX (6/21/85)
 3/21/2007 3/22/2007 3/22/2007 0.121030
6/20/2007 6/21/2007 6/21/2007 0.061900
  9/19/2007 9/20/2007 9/20/2007 0.373560
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 0.462830
      Total 1.019320
Market Neutral Income Fund
CVSRX (9/4/90)
 3/21/2007 3/22/2007 3/22/2007 0.064850
6/20/2007 6/21/2007 6/21/2007 0.075840
  9/19/2007 9/20/2007 9/20/2007 0.084600
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 0.232340
      Total 0.457630
Fixed Income
High Yield Fund
CCYRX (8/2/99)
 3/21/2007 3/22/2007 3/22/2007 0.121190
6/20/2007 6/21/2007 6/21/2007 0.130090
  9/19/2007 9/20/2007 9/20/2007 0.135430
  11/15/2007 11/16/2007 11/16/2007 -
  12/19/2007 12/20/2007 12/20/2007 -
  12/26/2007 12/27/2007 12/27/2007 0.371140
      Total 0.757850
Total Return Bond Fund
CTRRX (6/27/07)
 Daily Daily 6/29/2007 0.005857
Daily Daily 7/31/2007 0.033977
  Daily Daily 8/31/2007 0.032996
  Daily Daily 9/28/2007 0.029142
  Daily Daily 10/31/2007 0.037258
  Daily Daily 11/30/2007 0.095607
  Daily Daily 12/31/2007 0.037019
      Total 0.271856

1The Calamos Convertible Fund is closed to new investments, subject to exceptions enumerated in the prospectus.

For more information about the Funds such as sector weightings, top holdings, credit ratings and distribution rates, please contact Client Services at 800-582-6959.

Each Fund is a series of Calamos Investment Trust. The investment adviser to the Funds is Calamos Advisors LLC. The Calamos Family of Funds offers a range of investment strategies for individual investors with diverse investment objectives and needs. For more information on the Funds, please call 800-582-6959.

Before investing carefully consider the fund's investment objectives, risks, charges and expenses. Please see the prospectus containing this and other information or call 800-582-6959. Read it carefully.
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