SAN FRANCISCO (S&P Global Ratings) March 10, 2017--S&P Global Ratings lowered its ratings on the following series of bonds, supported by guaranteed-investment contracts (GICs) or counterparty guarantor provided by American International Group Inc., N.Y. to 'BBB+' from 'A-': Los Angeles' series 1997A-2 single-family mortgage revenue bonds; Los Angeles' series 1997B single-family mortgage revenue bonds; New Mexico Mortgage Finance Authority's series 2004C taxable multifamily housing revenue bonds (the Alta Vista apartment project); New Mexico Mortgage Finance Authority's series 2004D taxable multifamily housing revenue bonds (the Alta Vista apartment project); and San Bernardino County, Calif.'s series 1997B single-family home mortgage revenue bonds (the mortgage-backed securities program). The outlook on all the ratings is stable.