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-XF2003 - 'AA/F1', Stable Outlook; Residual Certificates, Series 2015-XF2003 -'AA', Stable Outlook; --Floater Certificates, Series 2015-XF2004 - 'AAA/F1', Stable Outlook; Residual Certificates, Series 2015-XF2004 -'AAA', Stable Outlook; --Floater Certificates, Series 2015-XF2005 - 'AAA