PAGE  1
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      PAGE  2
014 B000001 8-47589
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      PAGE  3
022 B000005 13-3214963
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      PAGE  4
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      PAGE  5
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      PAGE  6
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      PAGE  7
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      PAGE  8
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      PAGE  9
077 P000000 N
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SIGNATURE   JAMES M. ROY
TITLE       V.P. AND C.F.O.

                           EXHIBIT INDEX TO FORM N-SAR
                        OF MASSMUTUAL CORPORATE INVESTORS
                    FOR ANNUAL PERIOD ENDED DECEMBER 31, 2008


EXHIBIT NO.                   DESCRIPTION

77B               Accountant's Report on Internal Controls

77O               Transactions Effected Pursuant to Rule 10f-3

77Q2              Information Called for by Item 405 of Regulation S-K