Insider Transactions

Corporate Governance
Transaction Date Filer Title Filing Transaction Type Shares Traded Price Total Held*
May 27, 2008 Director Form 3 Initial Statement of Beneficial Ownership of Securities -- -- --
May 27, 2008 Director Form 4 Bona fide gift 200 -- 12,729
May 08, 2008 Director Form 4 Other acquisition or disposition -- -- 7,914
May 08, 2008 Director Form 4 Other acquisition or disposition -- -- 51,922
May 07, 2008 Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 3,000 $51.63 14,430
May 07, 2008 Director Form 4 Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 2,073 $74.70 12,357
May 07, 2008 Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 3,000 $51.63 --
May 01, 2008 Director Form 4 Other acquisition or disposition -- -- 10,150
May 01, 2008 Corp VP & Pres Integrated Sys. Form 4 Other acquisition or disposition -- -- 42,966
May 01, 2008 Director Form 4 Other acquisition or disposition -- -- 7,914

* 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