S&P Global Ratings has assigned its 'A' rating to the Port of Oakland, Calif.'s $259.3 million series 2017 D-G intermediate-lien refunding revenue bonds. At the same time, S&P Global Ratings affirmed its 'A+' rating and underlying rating (SPUR) on the port's senior-lien revenue bonds and affirmed its 'A' SPUR on the port's intermediate-lien revenue bonds. The outlook is stable. The ratings reflect what we view as the following credit strengths: The diversity of the port's business operations and revenues securing the bonds; A good service area for both the seaport and the airport; and Management's efforts to reduce expenses, increase unrestricted cash balances, and scale down the capital program to improve financial margins. Our view of the following partially offset