TGS ASA — Share Issue/Capital Change 2014

May 14, 2014

Share capital registered

Share capital registered

ASKER, NORWAY (14 May 2014) Following the stock option exercises as notified by

Oslo Stock Exchange on 8 May 2014, 37,250 new shares were today registered in

the Company Register in Brønnøysund for exercises from the 2009 stock option

plans secured by warrants. The share capital of TGS is thereafter NOK

25,897,618.50 consisting of 103,590,474 shares at a nominal value of NOK 0.25

per share. TGS holds 1,531,200 of the issued shares as treasury shares.

This information is subject of the disclosure requirements acc. to §5-12 vphl

(Norwegian Securities Trading Act)

[HUG#1785382]