TGS ASA - Major Shareholding Notification 2021

TGS: Correction of Warrants Held by Primary Insider

OSLO, Norway (30 November 2021) - Reference is made to the stock exchange

announcement made on 6 October 2021 published by TGS ASA ("Notification")

regarding Registration of new shares and Share capital in relation to vesting of

Performance Stock Units ("PSUs") and Restricted Stock Units ("RSUs") (the

"Notification").

The total balance of free-standing warrants related to RSUs/PSUs for primary

insider, CFO Sven Børre Larsen was in the Notification reported to be 67,000.

The correct total balance of free-standing warrants related to RSUs/PSUs for Mr.

Larsen is 55,300.

About TGS

TGS provides scientific data and intelligence to companies active in the energy

sector. In addition to a global, extensive and diverse energy data library, TGS

offers specialized services such as advanced processing and analytics alongside

cloud-based data applications and solutions.

Forward Looking Statement

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 product at costs commensurate with profitability, as

well as volatile market conditions, which have been exacerbated by the COVID-19

pandemic and the severe drop in oil prices. 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.

For more information, visit TGS.com or contact:

Sven Børre Larsen

Chief Financial Officer

+47 909 43 673

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