SAN FRANCISCO (Standard&Poor's) Oct. 5, 2007--Standard&Poor's Ratings Services assigned its 'A' rating to the Port of Oakland, Calif.'s $514.34 million series 2007A, 2007B, and 2007C intermediate lien refunding revenue bonds. In addition, Standard&Poor's affirmed its 'A+' rating on the port's outstanding senior lien revenue bonds. The outlook is stable. "The port shows excellent diversity in its revenue base, including the airport, marine port, and commercial real estate divisions," said Standard&Poor's credit analyst Robert Hannay. "The series 2007 refunding bonds represent the port's first debt issuance under its new intermediate lien. Future senior and intermediate lien bond issues are planned as part of the port's capital improvement program." The bonds are secured by