Sea1 Offshore Inc. SEA1 ADDITIONAL REGULATED INFORMATION REQUIRED TO BE DISCLOSED UNDER THE LAWS OF A MEMBER STATE

Special Dividend

30. March 2026 kl. 06:00

Due to solid results, a strong balance sheet, good liquidity and significant backlog, the Board of Directors on 28 March 2026 authorized a dividend payment of NOK 4 per share.

Sea1 Offshore Inc. (“SEA1”) provides the following key information relating to its cash dividend.

Cash dividend: Cash dividend amount: NOK 4 per share Declared currency: NOK Category: Special Dividend

Timeline: Date of approval: 28 March 2026 Last day inclusive: 1 April 2026 Ex-date: 7 April 2026 Record date: 8 April 2026 Dividend payment date: On or about 16 April 2026.

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