CERTIFICATIONS PURSUANT TO SECTION 906
EX-99.906CERT
CERTIFICATION
R. Jay Gerken, Chief Executive Officer, and Robert J. Brault, Chief Financial Officer of Legg Mason Partners Municipal Funds — Massachusetts Money Market 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 September 30, 2006 (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 Legg Mason Partners Municipal Funds – Massachusetts Money Market Portfolio /s/ R. Jay Gerken R. Jay Gerken Date: December 8, 2006 | Chief Financial Officer Legg Mason Partners Municipal Funds – Massachusetts Money Market Portfolio /s/ Robert J. Brault Robert J. Brault Date: December 8, 2006 |
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.