The assigned 'AAA' long-term rating on Colorado Housing and Finance Authority's (CHFA) series 2007 B-1 and 2007 B-2 bonds and existing class I single-family mortgage bonds reflects: Substantial overcollateralization, exceeding 113% on the senior class I bonds; The extremely strong credit quality of the FHA-insured, conventionally insured, other insured, and uninsured mortgage loans backing the bonds; Sufficiency of reserves to cover potential credit and liquidity shortfalls; High-quality investments; and The ability of the cash flows to withstand swap risks in accordance with Standard&Poor's Ratings Services' criteria. The 'A-1+' short-term rating on the series 2007 B-1 bonds reflects liquidity for tenders provided by an SBPA from KBC Bank NV ('AA-/A-1+'). The 'A-1+' short-term rating on the series 2007 B-2
