[ARTICLE] 6
[CIK] 0000880583
[NAME] THE TRAVELERS SERIES TRUST
[SERIES]
   [NUMBER] 3
   [NAME] UTILITIES PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               JUN-30-1999
[INVESTMENTS-AT-COST]                       27,346,902
[INVESTMENTS-AT-VALUE]                      35,079,201
[RECEIVABLES]                                  753,055
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                              35,832,256
[PAYABLE-FOR-SECURITIES]                       532,370
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       61,284
[TOTAL-LIABILITIES]                            593,654
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                    27,035,165
[SHARES-COMMON-STOCK]                        2,121,529
[SHARES-COMMON-PRIOR]                        1,915,301
[ACCUMULATED-NII-CURRENT]                      436,612
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                         34,526
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     7,732,299
[NET-ASSETS]                                35,238,602
[DIVIDEND-INCOME]                              520,780
[INTEREST-INCOME]                               64,754
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 148,922
[NET-INVESTMENT-INCOME]                        436,612
[REALIZED-GAINS-CURRENT]                        34,523
[APPREC-INCREASE-CURRENT]                    1,034,991
[NET-CHANGE-FROM-OPS]                        1,506,126
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      791,288
[DISTRIBUTIONS-OF-GAINS]                     1,799,094
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        270,208
[NUMBER-OF-SHARES-REDEEMED]                    218,804
[SHARES-REINVESTED]                            154,824
[NET-CHANGE-IN-ASSETS]                       2,329,552
[ACCUMULATED-NII-PRIOR]                        791,288
[ACCUMULATED-GAINS-PRIOR]                    1,799,097
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          121,151
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                148,922
[AVERAGE-NET-ASSETS]                        34,423,100
[PER-SHARE-NAV-BEGIN]                            17.18
[PER-SHARE-NII]                                  00.20
[PER-SHARE-GAIN-APPREC]                          00.55
[PER-SHARE-DIVIDEND]                             00.40
[PER-SHARE-DISTRIBUTIONS]                        00.92
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              16.61
[EXPENSE-RATIO]                                  00.87
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>