NEW YORK--(BUSINESS WIRE)--Fitch Ratings currently maintains ratings on student loan bonds issued by SLM Private Credit Student Loan Trust 2005-B (full list detailed below). SLM has requested that Fitch confirm its existing ratings in connection with the proposed amendments to the 1994 ISDA Credit Support Annex, dated as of Nov. 4, 2011, between Royal Bank of Scotland Plc and SLM Private Credit Student Loan Trust 2005-B. Consistent with its statements on policies regarding rating confirmations