Arribatec Group ASA: Purchase of 2,000,000 own shares

Oslo, 13 March 2026 – Arribatec Group ASA (“Company”) has today purchased 2,000,000 own shares at a price of NOK 6.50 per share.

The Company received an invitation to participate in a block sale of existing shares conducted through Pareto Securities AS. Based on the Company’s solid liquidity position, the buyback mandate granted by the Extraordinary General Meeting held on 29 August 2025, and the favorable terms offered, the Board considered the transaction to represent an attractive opportunity. The Company decided to participate in the block sale, which was accepted by the seller, and the shares have been acquired accordingly.

Transaction details • Trade date: 13 March 2026 • Number of shares purchased: 2,000,000 • Price (NOK): 6.50 • Total value (NOK): 13,000,000 • Settlement date: 17 March 2026 (T+2)

Following settlement of the transaction, Arribatec Group ASA will hold 2,148,459 own shares.

For further information, please contact: Ole Jakob Kjølvik, CEO, Arribatec Group ASA, +47 915 98 395, olejakob.kjolvik@arribatec.com Magnus Hofshagen, CFO, Arribatec Group ASA, +47 48 49 91 95, Magnus.hofshagen@arribatec.com

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

About Arribatec | www.arribatec.com Arribatec is a software and consulting company headquartered in Oslo. With a customer centric engagement model combined with deep system, integration, and domain competence, Arribatec builds long term strategic partnerships with a broad customer base. The Company serves more than 1,700 customers across 25 countries and various industries in the private and public sectors. Arribatec employs over 320 people in 11 countries and is listed on the Oslo Stock Exchange under the ticker code ARR.