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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 8
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SIGNATURE PAUL BUCUVALAS
TITLE MANAGING DIRECTOR
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Putnam Diversified Income Trust
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> CLASS A
<S> <C>
<PERIOD-TYPE> SEMI
<FISCAL-YEAR-END> SEP-30-1999
<PERIOD-END> MAR-30-2000
<INVESTMENTS-AT-COST> 4,109,750,847
<INVESTMENTS-AT-VALUE> 3,805,241,563
<RECEIVABLES> 172,967,124
<ASSETS-OTHER> 13,970,400
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3,992,179,087
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<OTHER-ITEMS-LIABILITIES> 70,937,230
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<ACCUM-APPREC-OR-DEPREC> (312,170,163)
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<REALIZED-GAINS-CURRENT> (112,159,909)
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<OVERDISTRIB-NII-PRIOR> (99,104)
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<EXPENSE-RATIO> .47
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Putnam Diversified Income Trust
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> CLASS B
<S> <C>
<PERIOD-TYPE> SEMI
<FISCAL-YEAR-END> SEP-30-1999
<PERIOD-END> MAR-30-2000
<INVESTMENTS-AT-COST> 4,109,750,847
<INVESTMENTS-AT-VALUE> 3,805,241,563
<RECEIVABLES> 172,967,124
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<OVERDISTRIB-NII-PRIOR> (99,104)
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<EXPENSE-RATIO> .85
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Putnam Diversified Income Trust
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> CLASS C
<S> <C>
<PERIOD-TYPE> SEMI
<FISCAL-YEAR-END> SEP-30-1999
<PERIOD-END> MAR-30-2000
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<ACCUM-APPREC-OR-DEPREC> (312,170,163)
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<REALIZED-GAINS-CURRENT> (112,159,909)
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<NET-CHANGE-IN-ASSETS> (437,669,044)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (99,104)
<OVERDIST-NET-GAINS-PRIOR> (304,965,046)
<GROSS-ADVISORY-FEES> 11,200,187
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 26,888,990
<AVERAGE-NET-ASSETS> 7,561,688
<PER-SHARE-NAV-BEGIN> 10.75
<PER-SHARE-NII> .41
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<PER-SHARE-NAV-END> 10.57
<EXPENSE-RATIO> .85
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Putnam Diversified Income Trust
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> CLASS M
<S> <C>
<PERIOD-TYPE> SEMI
<FISCAL-YEAR-END> SEP-30-1999
<PERIOD-END> MAR-30-2000
<INVESTMENTS-AT-COST> 4,109,750,847
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,625,189,762
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<NET-ASSETS> 3,881,417,669
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<EXPENSES-NET> 26,429,307
<NET-INVESTMENT-INCOME> 166,499,420
<REALIZED-GAINS-CURRENT> (112,159,909)
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<OVERDISTRIB-NII-PRIOR> (99,104)
<OVERDIST-NET-GAINS-PRIOR> (304,965,046)
<GROSS-ADVISORY-FEES> 11,200,187
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 26,888,990
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<PER-SHARE-NAV-END> 10.55
<EXPENSE-RATIO> .60
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Putnam Diversified Income Trust
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> CLASS Y
<S> <C>
<PERIOD-TYPE> SEMI
<FISCAL-YEAR-END> SEP-30-1999
<PERIOD-END> MAR-30-2000
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<OVERDISTRIBUTION-NII> (14,476,975)
<ACCUMULATED-NET-GAINS> 0
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<ACCUM-APPREC-OR-DEPREC> (312,170,163)
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<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 185,833
<NUMBER-OF-SHARES-REDEEMED> (615,523)
<SHARES-REINVESTED> 64,452
<NET-CHANGE-IN-ASSETS> (437,669,044)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (99,104)
<OVERDIST-NET-GAINS-PRIOR> (304,965,046)
<GROSS-ADVISORY-FEES> 11,200,187
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 26,888,990
<AVERAGE-NET-ASSETS> 14,634,694
<PER-SHARE-NAV-BEGIN> 10.78
<PER-SHARE-NII> .46
<PER-SHARE-GAIN-APPREC> (0.13)
<PER-SHARE-DIVIDEND> (.50)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.61
<EXPENSE-RATIO> .35
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>