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
12/2002
5. If Amendment, Date of Original (Month/Year)
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- |2A.Execu- |3. Trans-|4. Securities Acquired (A)|5. Amount of |6. Owner- |7. Nature |
| | action | action | action| or Disposed of (D) |Securities | ship | of In- |
| | Date | Date | Code | |Beneficially | Form: | direct |
| | | | | |Owned | Direct | Bene- |
| | (Month/ | (Month/ | | |Following | (D) or | ficial |
| | Day/ | Day/ | +-----------+---+----------+ Year | Indirect| Owner- |
| | Year) | Year) | |Amount |A/D|Price | | (I) | ship |
+------------------------------+----------+----------+---------+-----------+---+----------+--------------+-----------+------------+
Common Stock 9790 D
TABLE II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
+----------+--------+-------+-------+---------+-----------+---------------------+----------------+----------+-------+-------+------+
|1. |2. |3. |3A. |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- |Trans- |Execu- | |Number of | |Securities | |ities |Secur- |of |
| |sion or |action |tion | |Derivative |Date Exercisable +-------+--------+ |Benefi-|ity: |In- |
| |Exercise|Date |Date | |Securities |and Expiration Date | |Amount | |cially |Direct |direct|
| |Price of| | |Transac- |Acquired(A)|(Month/Day/Year) | |or | |Owned |(D) or |Bene- |
|Title of |Deriv- |(Month/|(Month/|tion Code|Disposed(D)+----------+----------+ |Number |Price of | |In- |ficial|
|Derivative|ative |Day/ |Day/ | +-----+-----+Date Exer-|Expira- | |of |Derivative|at End |direct |Owner-|
|Security |Security|Year) |Year) | |(A) |(D) |cisable |tion Date |Title |Shares |Security |of Year|(I) |ship |
+----------+--------+-------+-------+---------+-----+-----+----------+----------+-------+--------+----------+-------+-------+------+
Stock $86 01/24/2 01/24/2 A 20000 01/24/2012 Common 20000 $86.0000 20000 D
Option 002 002 Stock
(Right to
buy)
Stock $91 07/31/2 07/31/2 A 3317 07/31/2003 11/21/2007 Common 3317 $91.0000 3317 D
Option 002 002 Stock
(Right to
buy)
Stock $91 07/31/2 07/31/2 A 1356 07/31/2003 05/20/2009 Common 1356 $91.0000 1356 D
Option 002 002 Stock
(Right to
buy)
Stock $91.05 01/30/2 01/30/2 A 2953 01/30/2003 05/20/2009 Common 2953 $91.0500 2953 D
Option 002 002 Stock
(Right to
buy)
Phantom $0 11/15/2 11/15/2 A 19.39 Common 19.39 $0.0000 997.8 D
Stock 002 002 Stock
Units
Explanation of Responses:
These options become exercisable upon the Company's common stock having a
closing price on the New York Stock Exchange of $103.20, for five trading days,
they also become exercisable on the fifth anniversary of the grant (January 24,
2007).
Conversion or Exercise Price of Derivative Security is 1 to 1.
Phantom Stock Units accrued under the Director Deferred Compensation Plan are to
be settled in the Company's common stock upon the reporting person's separation
from service.
SIGNATURE OF REPORTING PERSON
/s/ Mary F. Eure (POA)
DATE
02/10/2003
