CERTIFICATIONS PURSUANT TO SECTION 302
EX-99.CERT

                                 CERTIFICATIONS

I, R. Jay Gerken, certify that:

1.     I have reviewed this report on Form N-CSR of The Travelers Series Trust -
       MFS Value Portfolio;

2.     Based on my knowledge, this report does not contain any untrue statement
       of a material fact or omit to state a material fact necessary to make the
       statements made, in light of the circumstances under which such
       statements were made, not misleading with respect to the period covered
       by this report;

3.     Based on my knowledge, the financial statements, and other financial
       information included in this report, fairly present in all material
       respects the financial condition, results of operations, changes in net
       assets, and cash flows (if the financial statements are required to
       include a statement of cash flows) of the registrant as of, and for, the
       periods presented in this report;

4.     The registrant's other certifying officers and I are responsible for
       establishing and maintaining disclosure controls and procedures (as
       defined in Rule 30a-3(c) under the Investment Company Act of 1940) for
       the registrant and have:

      a)  Designed such disclosure controls and procedures, or caused such
          disclosure controls and procedures to designed under our supervision,
          to ensure that material information relating to the registrant,
          including its consolidated subsidiaries, is made known to us by others
          within those entities, particularly during the period in which this
          report is being prepared;

      b)  Evaluated the effectiveness of the registrant's disclosure controls
          and procedures and presented in this report our conclusions about the
          effectiveness of the disclosure controls and procedures, as of a date
          within 90 days prior to the filing date of this report base on such
          evaluation; and

      c)  Disclosed in this report any change in the registrant's internal
          control over financial reporting that occurred during the registrant's
          most recent fiscal half-year (the registrant's second fiscal half-year
          in the case of an annual report) that has materially affected, or is
          reasonably likely to materially affect, the registrant's internal
          control over financial reporting; and

5.    The registrant's other certifying officers and I have disclosed to the
      registrant's auditors and the audit committee of the registrant's board of
      directors (or persons performing the equivalent functions):

      a)  All significant deficiencies and material weaknesses in the design or
          operation of internal control over financial reporting which are
          reasonably likely to adversely affect the registrant's ability to
          record, process, summarize, and report financial data; and

      b)  Any fraud, whether or not material, that involves management or other
          employees who have a significant role in the registrant's internal
          control over financial reporting.




Date:     September 25, 2003                          /s/ R. Jay Gerken
      -----------------------------           ----------------------------------
                                                      R. Jay Gerken
                                                      Chief Executive Officer



I, Richard L. Peteka, certify that:

1.     I have reviewed this report on Form N-CSR of The Travelers Series Trust -
       MFS Value Portfolio;

2.     Based on my knowledge, this report does not contain any untrue statement
       of a material fact or omit to state a material fact necessary to make the
       statements made, in light of the circumstances under which such
       statements were made, not misleading with respect to the period covered
       by this report;

3.     Based on my knowledge, the financial information included in this report,
       and the financial statements on which the financial information is based,
       fairly present in all material respects the financial condition, results
       of operations, changes in net assets, and cash flows (if the financial
       statements are required to include a statement of cash flows) of the
       registrant as of, and for, the periods presented in this report;

4.     The registrant's other certifying officers and I are responsible for
       establishing and maintaining disclosure controls and procedures (as
       defined in rule 30a-3(c) under the Investment Company Act) for the
       registrant and have:

       a)  Designed such disclosure controls and procedures, or caused such
           disclosure controls and procedures to designed under our supervision,
           to ensure that material information relating to the registrant,
           including its consolidated subsidiaries, is made known to us by
           others within those entities, particularly during the period in which
           this report is being prepared;

       b)  Evaluated the effectiveness of the registrant's disclosure controls
           and procedures and presented in this report our conclusions about the
           effectiveness of the disclosure controls and procedures, as of a date
           within 90 days prior to the filing date of this report base on such
           evaluation; and

       c)  Disclosed in this report any change in the registrant's internal
           control over financial reporting that occurred during the
           registrant's most recent fiscal half-year (the registrant's second
           fiscal half-year in the case of an annual report) that has materially
           affected, or is reasonably likely to materially affect, the
           registrant's internal control over financial reporting; and

5.     The registrant's other certifying officers and I have disclosed to the
       registrant's auditors and the audit committee of the registrant's board
       of directors (or persons performing the equivalent functions):

       a)  All significant deficiencies and material weaknesses in the design or
           operation of internal control over financial reporting which are
           reasonably likely to adversely affect the registrant's ability to
           record, process, summarize, and report financial data; and

       b)  Any fraud, whether or not material, that involves management or other
           employees who have a significant role in the registrant's internal
           control over financial reporting.





Date:     September 25, 2003                        /s/ Richard L. Peteka
      ---------------------------             ----------------------------------
                                                    Richard L. Peteka
                                                    Chief Financial Officer