CERTIFICATIONS PURSUANT TO SECTION 906 EX-99.906CERT CERTIFICATION R. JAY GERKEN, Chief Executive Officer, and ANDREW B. SHOUP, Chief Administrative Officer of Smith Barney Trust II - Smith Barney Diversified Large Cap Growth Fund (the "Registrant"), each certify to the best of his or her knowledge that: 1. The Registrant's periodic report on Form N-CSR for the period ended October 31, 2003 (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 Chief Administrative Officer Smith Barney Trust II - Smith Barney Trust II - Smith Barney Diversified Large Cap Smith Barney Diversified Large Cap Growth Fund Growth Fund /s/ R. Jay Gerken /s/ Andrew B. Shoup - --------------------------- ---------------------------- R. Jay Gerken Andrew B. Shoup Date: December 22, 2003 Date: December 22, 2003 This certification is being furnished to the Securities and Exchange Commission solely pursuant to 18 U.S.C. ss. 1350 and is not being filed as part of the Form N-CSR with the Commission.