Stock Trading History of Bar Roselyn R

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Bar Roselyn R since year 2005. The trader's CIK number is 1164744. At the time of this reporting, Bar Roselyn R is the SVP, General Counsel and Secy of Martin Marietta Materials Inc (stock ticker symbol MLM).

Stock purchases, sales, and option exercises reported by *Bar Roselyn R* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-05-24	MLM	Martin Marietta Materials Inc	Option Exercise	5,000	38.32	191,600
2007-05-24	MLM	Martin Marietta Materials Inc	Sale	5,000	151.24	756,225
2006-12-05	MLM	Martin Marietta Materials Inc	Sale	11,000	102.33	1,125,630
2006-12-05	MLM	Martin Marietta Materials Inc	Option Exercise	11,000	47.23	519,520
2006-12-04	MLM	Martin Marietta Materials Inc	Sale	1,227	100.00	122,700
2006-02-24	MLM	Martin Marietta Materials Inc	Sale	17,025	97.32	1,656,873
2006-02-24	MLM	Martin Marietta Materials Inc	Option Exercise	21,000	41.43	869,960

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Bar Roselyn R (SVP, General Counsel and Secy of Martin Marietta Materials Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.