CERTIFICATIONS PURSUANT TO SECTION 906
EX-99.906CERT

CERTIFICATION

Elizabeth M. Forget, Chief Executive Officer, and Peter H. Duffy, Chief Financial Officer of The Travelers Series Trust – U.S. Government Securities Portfolio (the “Registrant”), each certify to the best of his knowledge that:

     1. The Registrant’s periodic report on Form N-CSR for the period ended June 30, 2005 (the “Form N-CSR”) fully complies with the requirements of section 15(d) of the Securities Exchange Act of 1934, as amended; and

     2. The information contained in the Form N-CSR fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Chief Executive Officer The Travelers Series Trust– U.S. Government Securities Portfolio	Chief Financial Officer The Travelers Series Trust– U.S. Government Securities Portfolio
/s/ Elizabeth M. Forget	/s/ Peter H. Duffy
Elizabeth M. Forget Date: September 7, 2005	Peter H. Duffy Date: September 7, 2005

This certification is being furnished to the Securities and Exchange Commission solely pursuant to 18 U.S.C. § 1350 and is not being filed as part of the Form N-CSR with the Commission.

CERTIFICATIONS PURSUANT TO SECTION 906
EX-99.906CERT

CERTIFICATION

Elizabeth M. Forget, Chief Executive Officer, and Peter H. Duffy, Chief Financial Officer of The Travelers Series Trust – Pioneer Fund Portfolio (the “Registrant”), each certify to the best of his knowledge that:

     1. The Registrant’s periodic report on Form N-CSR for the period ended June 30, 2005 (the “Form N-CSR”) fully complies with the requirements of section 15(d) of the Securities Exchange Act of 1934, as amended; and

     2. The information contained in the Form N-CSR fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Chief Executive Officer The Travelers Series Trust– Pioneer Fund Portfolio	Chief Financial Officer The Travelers Series Trust– Pioneer Fund Portfolio
/s/ Elizabeth M. Forget	/s/ Peter H. Duffy
Elizabeth M. Forget Date: September 7, 2005	Peter H. Duffy Date: September 7, 2005

This certification is being furnished to the Securities and Exchange Commission solely pursuant to 18 U.S.C. § 1350 and is not being filed as part of the Form N-CSR with the Commission.

CERTIFICATIONS PURSUANT TO SECTION 906
EX-99.906CERT

CERTIFICATION

Elizabeth M. Forget, Chief Executive Officer, and Peter H. Duffy, Chief Financial Officer of The Travelers Series Trust – Pioneer Mid Cap Value Portfolio (the “Registrant”), each certify to the best of his knowledge that:

     1. The Registrant’s periodic report on Form N-CSR for the period ended June 30, 2005 (the “Form N-CSR”) fully complies with the requirements of section 15(d) of the Securities Exchange Act of 1934, as amended; and

     2. The information contained in the Form N-CSR fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Chief Executive Officer The Travelers Series Trust– Pioneer Mid Cap Value Portfolio	Chief Financial Officer The Travelers Series Trust– Pioneer Mid Cap Value Portfolio
/s/ Elizabeth M. Forget	/s/ Peter H. Duffy
Elizabeth M. Forget Date: September 7, 2005	Peter H. Duffy Date: September 7, 2005

This certification is being furnished to the Securities and Exchange Commission solely pursuant to 18 U.S.C. § 1350 and is not being filed as part of the Form N-CSR with the Commission.