The rating upgrade on Iowa Board of Regents' bonds, issued for State University of Iowa, reflects: * Increasing enrollment, * Improved demand, * Growing levels of state appropriations, * Strengthened balance sheet, and * Consistently low debt burden. Other continuing factors include: * The university's position as the premiere comprehensive university in Iowa, * Strong levels of state support, and * Sound financial performance. The State University of Iowa (UI) receives about $295 million of state appropriations and shares co-flagship status with Iowa State University. The 1997 student health facility bonds are secured by net revenue of the student health service and unlimited student fee. The parking system revenue bonds are secured by net revenues from the 11,000-plus space parking