TGS ASA — Share Issue/Capital Change 2014

Jul 25, 2014

New Share Capital

New Share Capital

ASKER, NORWAY (25 July 2014) In reference to the

decision made by the shareholders of TGS-NOPEC

Geophysical Company ASA (TGS) at the Annual General

Meeting on 3 June 2014 to cancel 406,186 treasury

shares held, the cancellation of these shares has now

been registered in the Company Register in

Brønnøysund.

The Share Capital of TGS is after the transaction

NOK 25,796,072.00 consisting of 103,184,288 shares at

a nominal value of NOK 0.25 per share. The balance of

treasury shares held is 1,116,764 shares.

This information is subject of the disclosure

requirements acc. to §5-12 vphl(Norwegian Securities

Trading Act)

Company summary

TGS-NOPEC Geophysical Company (TGS) provides multi-

client geoscience data to oil

and gas Exploration and Production companies

worldwide. In addition to

extensive global geophysical and geological data

libraries that include multi-

client seismic data, magnetic and gravity data,

digital well logs, production

data and directional surveys, TGS also offers

advanced processing and imaging

services, interpretation products, permanent

reservoir monitoring and data

integration solutions.

For more information visit TGS online at www.tgs.com.

Forward-looking statements and contact information

All statements in this press release other than

statements of historical fact

are forward-looking statements, which are subject to

a number of risks,

uncertainties and assumptions that are difficult to

predict, and are based upon

assumptions as to future events that may not prove

accurate. These factors

include TGS' reliance on a cyclical industry and

principal customers, TGS'

ability to continue to expand markets for licensing

of data, and TGS' ability to

acquire and process data products at costs

commensurate with profitability.

Actual results may differ materially from those

expected or projected in the

forward-looking statements. TGS undertakes no

responsibility or obligation to

update or alter forward-looking statements for any

reason.

TGS-NOPEC Geophysical Company ASA is listed on the

Oslo Stock Exchange

(OSLO:TGS).

TGS sponsored American Depositary Shares trade on the

U.S. over-the-counter

market under the symbol "TGSGY".

For additional information about this press release

please contact:

Kristian Johansen

Chief Financial Officer

Cell: +47 47 60 33 34

Email: kristian.johansen@tgs.com

Will Ashby

Director Finance Western Hemisphere & Investor

Relations

Tel: +1 713 860 2184

Email: will.ashby@tgs.com