TGS-NOPEC - Mandatory Notice of Trade


Karen El-Tawil, V.P. Business Development, purchased 3,000 shares of TGS on Friday, September 12, 2008. The purchase prise per share will be notified when known.  Due to the hurricane Ike and the following shut-down of power supply in Houston, Mrs. El-Tawil has not yet been notified of the purchase price by her US broker.
 
After the transaction Karen El-Tawil holds 51,000 shares and 91,000 stock options.