NEW YORK--(BUSINESS WIRE)--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-XF2033 'AA-/F1', Positive Outlook; Residual Certificates, Series 2015-XF2033 'AA-', Positive Outlook; --Floater Certificates, Series 2015-XF2035 'A+/F1', Negative Outlook; Residual Certificates, Series 2015-XF2043 'A+', Negative Outlook; --Floater Certificates, Series 2015-XF2043 'AA+