OREANDA-NEWS. Fitch Ratings assigns the following ratings to the Floater Certificates and Residual Certificates of the Tender Option Bond Trust series listed below:

--Floater Certificates, Series 2015-XF2131 - 'AA-/F1', Stable Outlook; Residual Certificates, Series 2015-XF2131 -'AA-', Stable Outlook;
--Floater Certificates, Series 2015-XF2155 - 'AA/F1', Stable Outlook; Residual Certificates, Series 2015-XF2155 -'AA', Stable Outlook;
--Floater Certificates, Series 2015-XF2156 - 'AA/F1', Stable Outlook; Residual Certificates, Series 2015-XF2156 -'AA', Stable Outlook;
--Floater Certificates, Series 2015-XF2157 - 'AA/F1', Stable Outlook; Residual Certificates, Series 2015-XF2157 -'AA', Stable Outlook.

KEY RATING DRIVERS

The long-term 'AA-', Stable Outlook ratings assigned to the series 2015-XF2131 Floater Certificates and series 2015-XF2131 Residual Certificates are based on the ratings that Fitch has assigned to General Authority of Southcentral Pennsylvania Revenue Bonds, Series 2008A (WellSpan Health Obligated Group), term bonds (rated 'AA-', Stable Outlook) that have been deposited in the series 2015-XF2131 trust.

The long-term 'AA', Stable Outlook ratings assigned to the series 2015-XF2155 Floater Certificates and series 2015-XF2155 Residual Certificates are based on the ratings that Fitch has assigned to The City of New York General Obligation Bonds, Fiscal 2013 Series D and E, serial bonds (rated 'AA', Stable Outlook) that have been deposited in the series 2015-XF2155 trust.

The long-term 'AA', Stable Outlook ratings assigned to the series 2015-XF2156 Floater Certificates and series 2015-XF2156 Residual Certificates are based on the ratings that Fitch has assigned to New York City Transitional Finance Authority Building Aid Revenue Bonds Fiscal 2012, Subseries S-1A Tax-Exempt Bonds, term bonds (rated 'AA', Stable Outlook) that have been deposited in the series 2015-XF2156 trust.

The long-term 'AA', Stable Outlook ratings assigned to the series 2015-XF2157 Floater Certificates and series 2015-XF2157 Residual Certificates are based on the ratings that Fitch has assigned to New York City Transitional Finance Authority Building Aid Revenue Bonds Fiscal 2013 Series S-1 term bonds (rated 'AA', Stable Outlook) that have been deposited in the series 2015-XF2157 trust.

The short-term 'F1' rating assigned to the Floater Certificates is based on the liquidity facilities provided by Citibank, N.A. (rated 'A+/F1', Stable Outlook) in the form of four separate shortfall liquidity swap agreements, which have a stated expiration date of July 1, 2016, unless such date is extended or earlier terminated.

RATING SENSITIVITIES

The short-term rating assigned to the Floater Certificates reflects the short-term rating that Fitch maintains on the bank providing liquidity support and will be adjusted upward or downward in conjunction with the short-term rating of the bank, and, in some cases, the long-term ratings of the underlying bonds deposited in the trusts. The long-term ratings assigned to the Floater Certificates and Residual Certificates are exclusively tied to the creditworthiness of the underlying bonds deposited in the trusts and will reflect all changes to the underlying bond ratings.