Mandatory Notification of Trade

 | Source: TGS ASA TGS ASA

J.Kim Abdallah, V.P. New Ventures AMEAP, purchased 3,700 shares of TGS on Tuesday, September 9, 2008 at 61.10 Kroner per share. After the transaction Mr. Abdallah holds 14,200 shares and 77,000 stock options.