Standard&Poor's Ratings Services assigned its 'AA+' rating on Minnesota Housing Finance Agency's (MHFA) residential housing finance bonds series 2009A and 2009B, reflecting the issuer credit rating (ICR) of the agency (AA+). Standard&Poor's also assigned its 'AA+/A-1+' rating to Minnesota Housing Finance Agency's (MHFA) residential housing finance bonds series 2009C. The long-term component of the rating reflects the ICR of the agency. The short-term component of the rating reflects a standby purchase agreement (SBPA) with the Federal Home Loan Bank of Des Moines (AAA/A-1+). Standard&Poor's also affirmed its 'AA+' rating on all of the agency's outstanding debt under the Residential Housing Finance Bond (RHFB) portfolio. The long-term components of the ratings on MHFA's residential housing