e424b3
 

Pricing Supplement No. 6 dated October 25, 2006
(to Prospectus dated May 5, 2006
and Prospectus Supplement dated May 5, 2006)
  Filed under Rule 424(b)(3)
File No. 333-130584
SLM Corporation
Medium Term Notes, Series A
Due 9 Months or Longer From the Date of Issue
                         
Principal Amount:
  $1,250,000,000     Floating Rate Notes:   x   Fixed Rate Notes:   ¨
 
   
Original Issue Date:
  October 31, 2006     Closing Date:   October 31, 2006   CUSIP Number:   78442F EE 4
 
   
Maturity Date:
  October 25, 2011     Option to Extend   x No   Specified Currency:   U.S. Dollars
 
          Maturity:   ¨ Yes        
 
                     
 
          If Yes, Final Maturity Date:            
Redeemable at the option of the Company:   x No   Redemption Price:   Not Applicable.    
 
          ¨ Yes   Redemption Dates:   Not Applicable.    
Repayment at the option of the Holder:   x No   Repayment Price:   Not Applicable.    
 
          ¨ Yes   Repayment Dates:   Not Applicable.    
Applicable to Floating Rate Notes Only:                
Floating Rate Index:                
¨   CD Rate   Index Maturity:   Three Months.
¨   Commercial Paper Rate            
¨   CMT Rate   Spread:   Plus 23 basis points (0.23%).
¨   Federal Funds Rate            
x   LIBOR Telerate   Initial Interest Rate:   TBD.
¨   LIBOR Reuters            
¨   Prime Rate   Interest Rate Reset Period:   Quarterly.
¨   91-Day Treasury Bill Rate            
 
         
    Lead Managers    
Morgan Stanley   Banc of America Securities LLC   Merrill Lynch & Co.
         
    Co-Managers    
Barclays Capital
HSBC
  BNP PARIBAS   Deutsche Bank Securities
Wachovia Securities
 
October 25, 2006
CALCULATION OF REGISTRATION FEE
         
Title of Each Class of Securities Offered
Floating Rate
(LIBOR-Telerate) Medium Term Notes
  Maximum Aggregate
Offering Price
$1,250,000,000
  Amount of
Registration Fee
$133,750.00


 

         
Reset Date(s): 
Each January 25th, April 25th, July 25th and October 25th during the term of the Notes, subject to adjustment in accordance with the following business day convention, beginning January 25, 2007.
 
   
Interest Determination Date(s): 
2 London and New York Business Days prior to the related Reset Date (or Original Issue Date in the case of the first Interest Period).
 
   
Lock-in Period Start Date: 
Not Applicable.
 
   
Maximum Interest Rate: 
Not Applicable.
 
   
Interest Payment
Date(s): 
Each January 25th, April 25th, July 25th and October 25th during the term of the Notes, subject to adjustment in accordance with the following business day convention, beginning January 25, 2007.
 
   
Interest Period(s): 
From and including the previous Interest Payment Date (or Original Issue Date, in the case of the first Interest Period) to but excluding the current Interest Payment Date (or Maturity Date, in the case of the last Interest Period).
 
   
Accrual Method:
Actual/360.
 
   
Minimum Interest Rate: 
Not Applicable.
 
   
Form:  Book-entry.
 
   
Denominations:  $1,000 minimum and integral multiples of $1,000 in excess thereof.
 
   
Trustee:  The Bank of New York, as successor trustee by virtue of a transfer of all or substantially all of the corporate trust business assets of JPMorgan Chase Bank, National Association, formerly known as JPMorgan Chase Bank and The Chase Manhattan Bank.
 
   
Agents:  The following agents are acting as underwriters in connection with this issuance.
 
   
  Agents   Principal Amount of Notes
  Morgan Stanley & Co. Incorporated $ 354,166,667.00  
  Banc of America Securities LLC   354,166,666.00  
  Merrill Lynch, Pierce, Fenner & Smith Incorporated   354,166,666.00  
  Barclays Capital Inc.   37,500,000.00  
  BNP Paribas Securities Corp.   37,500,000.00  
  Deutsche Bank Securities Inc.   37,500,000.00  
  HSBC Securities (USA) Inc.   37,500,000.00  
  Wachovia Capital Markets, LLC   37,500,000.00  
 
       
 
               Total $ 1,250,000,000.00  
 
   
Issue Price: 
100.0%.  
 
   
Agents’ Commission: 
0.1750%.  
 
   
Net Proceeds: 
$1,247,812,500.  
 
   
 
   
 
   
Concession:
0.1050%.  
 
   
Reallowance:
0.0525%.  
 
   
CUSIP Number:
78442F EE 4.
 
   
ISIN Number:
US78442FEE43.
Obligations of SLM Corporation and any subsidiary of SLM Corporation are not guaranteed by the full
faith and credit of the United States of America. Neither SLM Corporation nor any subsidiary
of SLM Corporation is a government-sponsored enterprise or an instrumentality
of the United States of America.