Standard&Poor's Ratings Services assigned its 'AAA' long-term rating to Naperville, Ill.'s series 2014 general obligation (GO) bonds. At the same time, we affirmed our 'AAA' long-term rating on the city's previously issued GO debt based on the application of our local GO criteria released Sept. 12, 2013. The outlook is stable. The city's unlimited-tax GO pledge secures the series 2014 bonds. The city plans to use the bond proceeds for various capital projects, including the construction of a parking garage. The rating reflects our assessment of the city's: Very strong economy, which benefits from participation in the broad and diverse economy of the Chicago metropolitan statistical area (MSA); Very strong budgetary flexibility with 2013 audited reserves at 33%