UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
( ) Check this box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue. See Instructions 1(b).
1. Name and Address of Reporting Person
   Daniel G. Shephard
   2710 Wycliff Road
   NC, Raleigh 27607
2. Issuer Name and Ticker or Trading Symbol
   Martin Marietta Materials, Inc. (MLM)

3. IRS or Social Security Number of Reporting Person (Voluntary)

4. Statement for Month/Day/Year
   12/2/2002
5. If Amendment, Date of Original (Month/Day/Year)

6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   ( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
   (specify below)
   Vice President and Treasurer
7. Individual or Joint/Group Filing (Check Applicable Line)
   (X) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person


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 Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned                                                 |
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1. Title of Security|2.    |2A.   |3.    |4.Securities Acquired (A)         |5.Amount of        |6.Dir |7.Nature of Indirect       |
                    |Trans-|Exec- |Trans |  or Disposed of (D)              |  Securities       |ect   |  Beneficial Ownership     |
                    |action|ution |action|                                  |  Beneficially     |(D)or |                           |
                    |      |      |    | |                  | A/|           |  Owned Following  |Indir |                           |
                    |Date  | Date |Code|V|    Amount        | D |    Price  |  Reported Trans(s)|ect(I)|                           |
___________________________________________________________________________________________________________________________________|
                                                                         
Common Stock        |12/2/ |12/2/ |M   | |418               |A  |           |                   |D     |                           |
                    |2002  |2002  |    | |                  |   |           |                   |      |                           |
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Common Stock        |12/2/ |12/2/ |F   | |138               |D  |31.43      |7704               |D     |                           |
                    |2002  |2002  |    | |                  |   |           |                   |      |                           |
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Common Stock        |      |      |    | |                  |   |           |582                |I     |by minor children          |
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 Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned                                                   |
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1.Title of   |2.Con-  |3.     |3A.   |4.    |5.Number of De |6.Date Exer|7.Title and Amount  |8.Price|9.Number    |10.|11.Nature of|
  Derivative |version |Trans- |Deemed|Trans-| rivative Secu |cisable and|  of Underlying     |of Deri|of Deriva   |Dir|Indirect    |
  Security   |or Exer |action |      |action| rities Acqui  |Expiration |  Securities        |vative |tive        |ect|Beneficial  |
             |cise    |       |Execu-|      | red(A) or Dis |Date(Month/|                    |Secu   |Securities  |(D)|Ownership   |
             |Price of|       |ution |      | posed of(D)   |Day/Year)  |                    |rity   |Benefi      |or |            |
             |Deriva- |       |      |      |               |Date |Expir|                    |       |ficially    |Ind|            |
             |tive    |       |      |      |           | A/|Exer-|ation|   Title and Number |       |Owned Follow|ire|            |
             |Secu-   |(Month/|(Month|    | |           | D |cisa-|Date |   of Shares        |       |ing Reported|ct |            |
             |rity    |Day/   |/Day/ |Code|V|  Amount   |   |ble  |     |                    |       |Trans-      |(I)|            |
             |        |Year)  |Year) |    | |           |   |     |     |                    |       |action(s)   |   |            |
___________________________________________________________________________________________________________________________________|
                                                                         
Incentive Sto|1-for-1 |12/2/ 2|12/2/ |M   | |418        |D  |1    |12/2/|Common Stock|418    |       |0           |D  |            |
ck FY 1999   |        |002    |2002  |    | |           |   |     |2002 |            |       |       |            |   |            |
             |        |       |      |    | |           |   |     |1    |            |       |       |            |   |            |
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             |        |       |      |    | |           |   |     |     |            |       |       |            |   |            |
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Explanation of Responses:
1. Units were awarded in January 2000 under the Martin Marietta Materials, Inc.
Incentive Stock Plan.  Units vested as of December 2, 2002.
SIGNATURE OF REPORTING PERSON
Daniel G. Shephard
Daniel G. Shephard