Mandatory Notification of Trades

ASKER, NORWAY (19 August 2019) – In February 2019, TGS implemented an Employee Share Purchase Plan (ESPP) pursuant to which eligible employees are allowed to purchase TGS common shares at a discount through payroll deductions.  The ESPP operates in six-month periods, and at the end of each period, employees have the option to purchase stock at a 15% discount to the market price at the time of purchase.  The plan sets a maximum purchase of 100 shares per employee per six-month period.  On August 19, 2019 the following primary insiders purchased shares through as participants in the ESPP.  The schedule attached reflects the holdings of the primary insiders following the purchase.  

Knut Agersborg -- 100 shares
Katja Akentieva -- 100 shares
Fredrik Amundsen -- 100 shares
William J.C. Ashby -- 100 shares
Kristian Kuvaas Johansen -- 100 shares
Tana LaDon Pool -- 100 shares
Sven Borre Larsen -- 100 shares
Stein Ove Isaksen -- 100 shares
Vivi Suhr Engebretsen -- 50 shares

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, and data integration solutions.
For more information visit TGS online at www.tgs.com.

For additional information about this press release please contact:

Sven Børre Larsen
Chief Financial Officer
Tel: +47 90 94 36 73
Email: investor@tgs.com

This information is subject to the disclosure requirements pursuant to Section 5-12 the Norwegian Securities Trading Act

Attachment

• TGS Shareholding balance primary insiders