<PAGE> PAGE 1
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<PAGE> PAGE 2
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011 A000001 PAINE WEBBER INCORPORATED
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011 C010001 NEW YORK
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015 A000001 THE BANK OF NEW YORK
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<PAGE> PAGE 3
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015 E040013 X
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015 B000014 S
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015 D010014 FRANCE
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<PAGE> PAGE 4
015 C010015 FRANKFURT/MAIN
015 D010015 GERMANY
015 E040015 X
015 A000016 HONGKONG AND SHANGAI BANKING CORPORATION
015 B000016 S
015 C010016 HONG KONG
015 D010016 HONG KONG
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<PAGE> PAGE 5
015 D010025 PAKISTAN
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015 B000028 S
015 C010028 SINGAPORE
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015 E040028 X
015 A000029 STANDARD BANK OF SOUTH AFRICA LIMITED
015 B000029 S
015 C010029 JOHANNESBURG
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015 A000030 BANCO BILBAO VIZCAYA (BBV)
015 B000030 S
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015 D010034 THAILAND
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015 A000035 OSMANLI BANKASI A.S. (OTTOMAN BANK)
015 B000035 S
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<PAGE> PAGE 6
015 E040035 X
015 A000036 BANK OF NEW YORK
015 B000036 S
015 C010036 LONDON
015 D010036 UNITED KINGDOM
015 E040036 X
015 A000037 STANBIC BANK ZAMBIA LIMITED (STANBIC)
015 B000037 S
015 C010037 LUSAKA
015 D010037 ZAMBIA
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015 A000038 STANBIC BANK ZIMBABWE LIMITED (STANBIC)
015 B000038 S
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015 A000040 DELETE
015 A000041 DELETE
015 A000042 DELETE
015 A000043 DELETE
015 A000044 DELETE
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015 A000049 DELETE
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<PAGE> PAGE 7
018 000000 Y
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022 B000004 13-3311934
022 C000004 445508
022 D000004 4405
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<PAGE> PAGE 8
022 C000005 449033
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022 C000007 431814
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022 B000010 04-2442748
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<PAGE> PAGE 9
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<PAGE> PAGE 10
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<PAGE> PAGE 11
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<PAGE> PAGE 12
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<PAGE> PAGE 13
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<PAGE> PAGE 14
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SIGNATURE DIOMEDES LOO-TAM
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS DOCUMENT CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FRANKLIN
PRINCIPAL MATURITY TRUST NOVEMBER 30, 1998 ANNUAL REPORT AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 7-MOS
<FISCAL-YEAR-END> NOV-30-1998
<PERIOD-END> NOV-30-1998<F1>
<INVESTMENTS-AT-COST> 125,388,392
<INVESTMENTS-AT-VALUE> 144,231,124
<RECEIVABLES> 796,782
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 205,441,143
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 108,781
<TOTAL-LIABILITIES> 108,781
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 186,574,765
<SHARES-COMMON-STOCK> 20,462,600
<SHARES-COMMON-PRIOR> 20,462,600
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<OVERDISTRIBUTION-NII> (32,444)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (52,047)
<ACCUM-APPREC-OR-DEPREC> 18,842,088
<NET-ASSETS> 205,332,362
<DIVIDEND-INCOME> 427,976
<INTEREST-INCOME> 6,953,232
<OTHER-INCOME> 123
<EXPENSES-NET> (748,860)
<NET-INVESTMENT-INCOME> 6,632,471
<REALIZED-GAINS-CURRENT> 10,749,066
<APPREC-INCREASE-CURRENT> (14,386,591)
<NET-CHANGE-FROM-OPS> 2,994,946
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (6,893,851)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (3,898,905)
<ACCUMULATED-NII-PRIOR> 228,936
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (10,801,113)
<GROSS-ADVISORY-FEES> (540,015)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (748,860)
<AVERAGE-NET-ASSETS> 208,373,130
<PER-SHARE-NAV-BEGIN> 10.230
<PER-SHARE-NII> .330
<PER-SHARE-GAIN-APPREC> (.190)
<PER-SHARE-DIVIDEND> (.340)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 10.030
<EXPENSE-RATIO> .620<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> .000
<FN>
<F1>PRINCIPAL MATURITY TRUST MERGED INTO THE FRANKLIN CUSTODIAN FUNDS INCOME
SERIES ON JUNE 26, 1998.
<F2>ANNUALIZED
</TABLE>
