Insider Transactions

Corporate Governance
Transaction Date Filer Title Filing Transaction Type Shares Traded Price Total Held*
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 435 $68.29 1,507
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 443 $68.29 3,206
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 875 $68.29 4,117
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 435 $68.29 1,507
Mar 20, 2006 Director Form 3 Initial Statement of Beneficial Ownership of Securities -- -- --
Mar 02, 2006 Director Form 4 Other acquisition or disposition -- -- 5,626
Mar 02, 2006 Director Form 4 Other acquisition or disposition -- -- 5,716
Mar 01, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 2,746 -- --
Feb 28, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 2,880 -- 2,746
Feb 28, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 2,880 -- 2,880

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.

Investor Contact

Phone: 703-280-2268
Email: investors@ngc.com