Martin Marietta Materials, Inc.

Filed Pursuant to Rule 433
Registration Statement No. 333-142343
April 16, 2008
Martin Marietta Materials, Inc.
Pricing Term Sheet
$300,000,000 6.60% Senior Notes Due 2018
April 16, 2008
  Martin Marietta Materials, Inc.
Aggregate Principal Amount:
Security Type:
  Fixed Rate Senior Notes
  April 15, 2018
Coupon (Interest Rate):
Issue Price (Price to Public):
Yield to maturity:
Spread to Benchmark Treasury:
  2.95%; 295 bps
Benchmark Treasury:
  3.50% due February 15, 2018
Benchmark Treasury Spot and Yield:
  98-22; 3.66%
Interest Payment Dates:
  April 15 and October 15, commencing October 15, 2008
Day Count Convention:
  $2,000 x $1,000
  At any time at the greater of 100% and the make-whole amount (the present value of principal and the remaining interest discounted at the Treasury Rate plus 45 basis points)
Change of Control Offer:
  As described in the preliminary prospectus supplement, dated April 16, 2008
Trade Date:
  April 16, 2008
Settlement Date:
  April 21, 2008 (T+3)
Net Proceeds Before Underwriting Discount and Expenses:
Anticipated Ratings:
  Baa1 (Moody’s); BBB+ (S&P)
Joint Book-Running Managers:
  J.P. Morgan Securities Inc.
Banc of America Securities LLC
Wachovia Capital Markets, LLC
  BB&T Capital Markets, a division of Scott & Stringfellow, Inc.
Wells Fargo Securities, LLC
Citigroup Global Markets Inc.



A rating reflects only the view of a rating agency and is not a recommendation to buy, sell or hold the Notes. Any rating can be revised upward or downward or withdrawn at any time by a rating agency, if it decides that circumstances warrant that change.
The issuer has filed a registration statement (including a prospectus and a prospectus supplement) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus and prospectus supplement in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus and prospectus supplement if you request it by calling J.P. Morgan Securities Inc. collect 1-212-834-4533, Banc of America Securities LLC toll free 1-800-294-1322 or Wachovia Capital Markets, LLC toll free 1-800-326-5897.
Any disclaimer or other notice that may appear below is not applicable to this communication and should be disregarded. Such disclaimer or notice was automatically generated as a result of this communication being sent by Bloomberg or another email system.