Insider Transactions

Corporate Governance
Transaction Date Filer Title Filing Transaction Type Shares Traded Price Total Held*
Apr 03, 2006 Director Form 4 Other acquisition or disposition -- -- 41,922
Apr 03, 2006 Director Form 4 Other acquisition or disposition -- -- 500
Apr 03, 2006 Director Form 4 Other acquisition or disposition -- -- 4,286
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 865 $68.29 1,937
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 887 $68.29 6,603
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 886 $68.29 6,277
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 432 $68.29 886
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 865 $68.29 1,937
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 438 $68.29 1,876
Mar 31, 2006 Director Form 4 Other acquisition or disposition (describe transaction) 143 $68.29 143

* 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