Standard&Poor's Ratings Services revised its rating on Pennsylvania Housing Finance Agency's (PHFA) series 2008-102C single-family mortgage revenue bonds to 'AA+/A-1' from 'AA+'. The interest rate bearing mode on these bonds is also changed, converting to weekly variable-rate mode from index-rate period mode. At the same time, Standard&Poor's affirmed its 'AA+/A-1' rating on PHFA's series 2004-83B, 2004-83C, 2004-84D, 2004-86B, 2005-89, and 2005-91B single-family mortgage revenue bonds. The outlook on all issues is negative. The new short-term component of the rating on the 2008-102C bonds reflects a new standby bond purchase agreement (SBPA) provided by Bank of Tokyo-Mitsubishi UFJ Ltd. (A+/A-1), substituting a prior direct-purchase agreement issued by U.S. Bank National Assn. The 2004-83B, 2004-83C, 2004-84D, 2004-86B, 2005-89,
