TGS ASA - Director's Dealing 2015

Stock Options Exercised

ASKER, NORWAY (13 August 2015) - 15 employees of TGS have today, exercised in

total 120,800 stock options. All options were exercised from the award in August

2011 secured by treasury shares at an exercise price of NOK 113.80 per share.

Following the exercise TGS holds 732,000 treasury shares. TGS' share capital is

NOK 25,533,997.50 consisting of 102,135,990 shares at a nominal value of NOK

0.25 per share.

The following primary insiders in TGS have on 13 August 2015 traded TGS

shares related to their exercise of stock options:

Robert Hobbs, Chief Executive Officer, has exercised 25,000 stock options and

sold the same number of shares in TGS at an average price of NOK 167.28 per

share. After this transaction Robert Hobbs holds 34,250 shares in TGS.

Kristian Johansen, Chief Operating Officer/Interim Chief Financial Officer,

has exercised 14,000 stock options and sold the same number of shares in TGS at

an average price of NOK 167.28 per share. After this transaction Kristian

Johansen holds 1,500 shares in TGS.

Stein Ove Isaksen, Senior VP Eastern Hemisphere and member of TGS'

Executive management, has exercised 7,200 stock options and sold the same number

of shares in TGS at an average price of NOK 167.28 per share. After this

transaction Stein Ove Isaksen holds 2,000 shares in TGS.

Knut Agersborg, VP Global Services and member of TGS' Executive management,

has exercised 14,000 stock options and sold the same number of shares in TGS at

an average price of NOK 167.28 per share. After this transaction Knut

Agersborg holds 2,100 shares in TGS.

Attached is the list of the primary insiders exercising stock options.

This information is subject to the disclosure requirements pursuant to section

5-12 of the Norwegian Securities Trading Act.

[HUG#1945536]

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