Fitch Affirms SLM Student Loan Trust Series 2005-4

NEW YORK--()--On Feb. 14, 2011, Fitch Ratings affirmed the senior notes at 'AAAsf' and subordinate student loan notes at 'BBBsf' issued by SLM Student Loan Trust Series 2005-4. The Rating Outlook remains Stable for both the senior and subordinate bonds. A full ratings list is shown below.

The ratings on the senior and subordinate notes are affirmed based on the sufficient level of credit enhancement to cover the applicable basis factor stress.

Credit enhancement consists of subordination, overcollateralization and the projected excess spread. Additionally, the class A notes benefit from subordination provided by the lower priority notes.

The loans are serviced and originated by SLM Corp. SLM Corp. provides funds for educational loans, primarily federal guaranteed student loans originated under the FFELP. SLM Corp. and its subsidiaries are not sponsored by or are agencies of the U.S. government. Fitch has assigned SLM Corp. long- and short-term Issuer Default Ratings (IDRs) of 'BBB-' and 'F3', respectively.

SLM Student Loan Trust Series 2005-4:
--Class A-2 affirmed at 'AAAsf/LS1'; Outlook Stable;
--Class A-3 affirmed at 'AAAsf/LS1'; Outlook Stable;
--Class A-4 affirmed at 'AAAsf/LS1'; Outlook Stable;
--Class B affirmed at 'BBBsf/LS3'; Outlook Stable.

Additional information is available at www.fitchratings.com.

Applicable Criteria and Related Research:
--'Global Structured Finance Rating Criteria' dated Aug. 13, 2010;
--'U.S.FFELP Student Loan ABS Rating Criteria' dated April 11, 2008;
--'Fitch to Begin Review of U.S. FFELP SLABS Applying Updated Criteria' dated June 29, 2010.

Applicable Criteria and Related Research:
Global Structured Finance Rating Criteria
http://www.fitchratings.com/creditdesk/reports/report_frame.cfm?rpt_id=547326

ALL FITCH CREDIT RATINGS ARE SUBJECT TO CERTAIN LIMITATIONS AND DISCLAIMERS. PLEASE READ THESE LIMITATIONS AND DISCLAIMERS BY FOLLOWING THIS LINK: HTTP://FITCHRATINGS.COM/UNDERSTANDINGCREDITRATINGS. IN ADDITION, RATING DEFINITIONS AND THE TERMS OF USE OF SUCH RATINGS ARE AVAILABLE ON THE AGENCY'S PUBLIC WEBSITE WWW.FITCHRATINGS.COM. PUBLISHED RATINGS, CRITERIA AND METHODOLOGIES ARE AVAILABLE FROM THIS SITE AT ALL TIMES. FITCH'S CODE OF CONDUCT, CONFIDENTIALITY, CONFLICTS OF INTEREST, AFFILIATE FIREWALL, COMPLIANCE AND OTHER RELEVANT POLICIES AND PROCEDURES ARE ALSO AVAILABLE FROM THE 'CODE OF CONDUCT' SECTION OF THIS SITE.

Contacts

Fitch Ratings
Primary Analyst:
Stefanie Leung, +1-212-908-0826
Director
Fitch, Inc.
One State Street Plaza
New York, NY 10004
or
Committee Chairperson:
Cynthia Ulrich, +1-212-908-0609
Senior Director
or
Media Relations:
Sandro Scenga, +1-212-908-0278
sandro.scenga@fitchratings.com

Contacts

Fitch Ratings
Primary Analyst:
Stefanie Leung, +1-212-908-0826
Director
Fitch, Inc.
One State Street Plaza
New York, NY 10004
or
Committee Chairperson:
Cynthia Ulrich, +1-212-908-0609
Senior Director
or
Media Relations:
Sandro Scenga, +1-212-908-0278
sandro.scenga@fitchratings.com