TGS ASA — Director's Dealing 2026

Mar 9, 2026

TGS ASA: REPORTING OF TRANSACTIONS MADE BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND PERSONS CLOSELY ASSOCIATED WITH THEM IN TGS ASA'S SHARES

OSLO, Norway, 9 March 2026: Pursuant to the Market Abuse Regulation article 19, TGS ASA (the "Company"), hereby notify receipt of information of the following transactions made by persons discharging managerial responsibilities in the Company and persons closely associated with them in the Company's shares and other financial instruments linked thereto.

1	Details of the Reporting Person / their Closely Associated Persons
a)	Name	Carel Hooijkaas
2	Reason for the notification
a)	Position/status	EVP Marine Data Acquisition
b)	Initial notification /Amendment	Initial Notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	TGS ASA
b)	LEI	549300NUPLAXPB0WYH90
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument and identification code	Ordinary shares in TGS ASA
ISIN: NO0003078800
b)	Nature of the transaction	Share transferred to employee in connection with vesting of RSUs granted on 1 March 2023.
c)	Price(s) and volume(s)	Price(s) in NOK	Volume(s)
		0	12,534
d)	Aggregated information
- Aggregated volume
- Price	A total of 12,534 shares
		Aggregate price of NOK 0
e)	Date of the transaction	9 March 2026
f)	Place of the transaction	Outside of trading venue