1. Name and Address of Reporting Person Diefenderfer III, William M. 11600 Sallie Mae Drive Reston, VA 20193 2. Issuer Name and Ticker or Trading Symbol SLM Corporation (SLM) 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Year 11/2002 R1 5. If Amendment, Date of Original (Month/Day/Year) 11/18/2002 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) (X) Director ( ) 10% Owner ( ) Officer (give title below) ( ) Other (specify below) 7. Individual or Joint/Group Filing (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person TABLE I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned +---------------------------------+----------+-------------+-----------------------------+----------------+-----------+------------+ |1. Title of Security |2. Trans- |3. Trans- |4. Securities Acquired (A) |5. Amount of |6. Owner- |7. Nature | | | action | action | or Disposed of (D) | Securities | ship | of In- | | | Date | Code | | Beneficially | Form: | direct | | | | | | Owned at | Direct | Bene- | | | (Month/ | | | End of | (D) or | ficial | | | Day/ +-------+-----+-----------+------+----------+ Month | Indirect| Owner- | | | Year) |Code |V |Amount |A/D |Price | | (I) | ship | +---------------------------------+----------+-------+-----+-----------+------+----------+----------------+-----------+------------+ Common Stock 11/14/2002 M 830 A $43.3125 D Common Stock 11/14/2002 S -223 D $104.0000 D Common Stock 11/14/2002 F -346 D $104.0000 9790 D TABLE II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned +-------------+--------+----------+---------+-----------+---------------------+----------------+----------+--------+-------+-------+ |1. |2. |3. |4. |5. |6. |7. |8. |9. |10. |11. | | | | | | | | | |Number |Owner- | | | | | | | | | | |of |ship | | | | | | | | | | |Deriv- |Form of| | | | | | | | |Title and Amount| |ative |Deriv- | | | | | | | | |of Underlying | |Secur- |ative |Nature | | |Conver- | | |Number of | |Securities | |ities |Secur- |of | | |sion or | | |Derivative |Date Exercisable +-------+--------+ |Benefi- |ity: |In- | | |Exercise| | |Securities |and Expiration Date | |Amount | |cially |Direct |direct | | |Price of|Transac- |Transac- |Acquired(A)|(Month/Day/Year) | |or | |Owned |(D) or |Bene- | |Title of |Deriv- |tion Date |tion Code|Disposed(D)+----------+----------+ |Number |Price of |at End |In- |ficial | |Derivative |ative |(Month/ +------+--+-----+-----+Date Exer-|Expira- | |of |Derivative|of |direct |Owner- | |Security |Security|Day/Year) |Code |V |(A) |(D) |cisable |tion Date |Title |Shares |Security |Month |(I) |ship | +-------------+--------+----------+------+--+-----+-----+----------+----------+-------+--------+----------+--------+-------+-------+ Stock Option $43.3125 11/14/2002 M 83005/20/2009 Common 830 $43.3125 27170 D (Right to buy) Stock Stock Option $105 11/15/2002 A 346 11/15/2003 05/20/2009 Common 346 $105.0000 346 D (Right to buy) Stock Explanation of Responses: SIGNATURE OF REPORTING PERSON /s/Mary F. Eure (POA) DATE 11/18/2002 The options become exercisible in increments of one-third; One-third became exercisible one year from the date of grant, one-third upon the Company's common stock having a closing price on the New York Stock Exchange of $57.15 and $71.43, respectively, for five trading days, they also become exercisible on the eighth anniversary of the grant (May 20, 2007) subject to terms regarding the reporting person's continued service with the Company.