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042 B005400   0
042 C005400 100
042 D005400   0
042 E005400   0
042 F005400   0
042 G005400   0
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042 B005600   0
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043  005400   3796
043  005600      7
043  006400   2267
044  005400      0
044  005600      0
044  006400      0
045  005400 Y
045  005600 Y
045  006400 Y
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046  005600 N
046  006400 N
047  005400 Y
047  005600 Y
047  006400 Y
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048 D015400  1500000

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049  005600 N
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050  005400 N
050  005600 N
050  006400 N
051  005400 N
051  005600 N
051  006400 N
052  005400 N
052  005600 N
052  006400 N
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054 B00AA00 Y
054 C00AA00 Y
054 D00AA00 N
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054 F00AA00 N
054 G00AA00 Y
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055 B005400 Y
055 A005600 N
055 B005600 N
055 A006400 N
055 B006400 N
056  005400 Y

056  005600 Y
056  006400 Y
057  005400 N
057  005600 N
057  006400 N
058 A005400 N
058 A005600 N
058 A006400 N
059  005400 Y
059  005600 Y
059  006400 Y
060 A005400 Y
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060 B005600 Y
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060 B006400 Y
061  005400     2000
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062 O005600   0.0
062 P005600   0.0
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062 R005600   0.0
062 A006400 N
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066 A005400 Y
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066 E005400 N
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066 G005400 N
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066 C005600 Y
066 D005600 N
066 E005600 N
066 F005600 N
066 G005600 N
066 A006400 Y
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066 C006400 Y
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066 F006400 N
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067  005400 N

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068 B006400 N
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069  005600 N
069  006400 N
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070 J025400 N
070 K015400 Y
070 K025400 Y
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070 R025400 N
070 A015600 Y
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070 B015600 Y
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070 E015600 Y
070 E025600 N
070 F015600 Y
070 F025600 N
070 G015600 Y
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070 H015600 Y
070 H025600 N
070 I015600 Y
070 I025600 N
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074 D006400        0

074 E006400        0
074 F006400  1094019
074 G006400        0
074 H006400        0
074 I006400    20872
074 J006400        0
074 K006400       50
074 L006400     6066
074 M006400        7
074 N006400  1121014
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074 R046400     2525
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075 B006400   984471
076  005400     0.00
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077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 Y
077 E000000 Y
077 F000000 N
077 G000000 N
077 H000000 Y
077 I000000 Y
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N

077 Q010000 Y
077 Q020000 N
077 Q030000 N
078  000000 N
080 A00AA00 ICI Mutual Insurance Company
080 B00AA00 N/A
080 C00AA00    10000
081 A00AA00 Y
081 B00AA00  48
082 A00AA00 N
082 B00AA00        0
083 A00AA00 N
083 B00AA00        0
084 A00AA00 N
084 B00AA00        0
085 A00AA00 Y
085 B00AA00 N
086 A010000      0
086 A020000      0
086 B010000      0
086 B020000      0
086 C010000      0
086 C020000      0
086 D010000      0
086 D020000      0
086 E010000      0
086 E020000      0
086 F010000      0
086 F020000      0

This report is signed on behalf of the registrant (or depositor or trustee).



City of: Boston     State of: Massachusetts      Date:  May 22, 2013

Name of Registrant, Depositor, or Trustee: Columbia Funds Series Trust I

/s/ Michael G. Clarke
-------------------------------------------------------------------------------
Michael G. Clarke
Treasurer

/s/ Joseph F. DiMaria
-------------------------------------------------------------------------------
Joseph F. DiMaria
Chief Accounting Officer
Witness

                        Columbia Funds Series Trust I