Bel-Mar Holding AS, a person closely associated with Piotr C. Wingaard, Chief Commercial Officer (CCO) in Grieg Seafood ASA, has acquired 9,000 shares in Grieg Seafood ASA (ISIN: NO0010365521) at NOK 28.3746 per share on Oslo Stock Exchange on 3 September 2026. Bel-Mar Holding AS's total shareholding after this trade is 16,000 shares. In addition, Piotr C. Wingaard owns 1,322 shares personally.

Details in accordance with Article 19(6) of Regulation (EU) No 596/2014 (MAR)
1. Details of the person discharging managerial responsibilities/person closely associated
a) Name: Bel-Mar Holding AS
b) Position/status: Person closely associated with Piotr C. Wingaard, Chief Commercial Officer (CCO) of Grieg Seafood ASA
c) Initial notification/amendment: Initial notification
2. Reason for the notification
This is an initial notification of a transaction by a person closely associated with a person discharging managerial responsibilities, made pursuant to Article 19 of Regulation (EU) No 596/2014.
3. Details of the issuer
a) Name: Grieg Seafood ASA
b) LEI: 5967007LIEEXZXH5VC37
4. Details of the transaction
a) Description of the financial instrument, type of instrument, identification code: Shares, ISIN NO0010365521
b) Nature of the transaction: Acquisition
c) Price(s) and volume(s): NOK 28.3746 per share; 9,000 shares
d) Date of the transaction: 3 September 2026
e) Place of the transaction: Oslo Stock Exchange (Oslo Børs)

This information is subject to the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act and art. 19 of the Market Abuse Regulation.