Constellation Announces Key Information Related to Share Premium Distribution in Cash

Luxembourg, 24 April 2026 - Reference is made to Constellation Oil Services Holding S.A.'s (the "Company") stock exchange notice of 14 April 2025, regarding the results of the Company’s Annual General Meeting (AGM), at which shareholders approved four distributions, each of USD 25,000,000 (one distribution per quarter, each a "Tranche") to be effected through repayment of share premium. Each distribution is subject to (a) compliance with the Company’s existing contractual arrangements, (b) the Company maintaining, as of the distribution date and after giving effect thereto, an unrestricted cash balance of at least USD 100,000,000 and (c) no communication having been received from the Company’s Audit, Risk and Compliance Office (GRC), as of the day preceding the date on which the Board of Directors verifies the conditions precedent, indicating that the relevant distribution should not proceed (jointly the "Conditions").

The first tranche of the share premium distribution is USD 0.296068543704916 per share and has been verified by the Board of Directors pursuant to the Conditions defined above.

Tranche 1: Dividend amount: USD 0.2960685437049160 per common share (based on the total of 84,439,906 common shares) Declared currency: USD. Distributions payable to NDRs registered in the Euronext VPS will be made in NOK, with the conversion from USD to NOK to be based on Norges Bank official closing exchange rate at the record date. Date of approval: 14 April 2026 (AGM) / 23 April 2026 (verification of the Conditions by the Board of Directors) Last day including right: 7 May 2026 Ex-date: 8 May 2026 Record date: 11 May 2026 Payment date: 21 May 2026

The key information for the remaining three Tranches is as follows:

Tranche 2: Dividend amount: USD 0.2960685437049160 per common share (based on the total of 84,439,906 common shares) Declared currency: USD. Distributions payable to NDRs registered in the Euronext VPS will be made in NOK, with the conversion from USD to NOK to be based on Norges Bank official closing exchange rate at the record date. Date of approval: 14 April 2026 (AGM) / 27 May 2026 (contemplated date for verification of the Conditions by the Board of Directors) Last day including right: 1 June 2026 Ex-date: 2 June 2026 Record date: 3 June 2026 Payment date: 16 June 2026

Tranche 3: Dividend amount: USD 0.2960685437049160 per common share (based on the total of 84,439,906 common shares) Declared currency: USD. Distributions payable to NDRs registered in the Euronext VPS will be made in NOK, with the conversion from USD to NOK to be based on Norges Bank official closing exchange rate at the record date. Date of approval: 14 April 2026 (AGM) / 19 August 2026 (contemplated date for verification of the Conditions by the Board of Directors) Last day including right: 24 August 2026 Ex-date: 25 August 2026 Record date: 26 August 2026 Payment date: 4 September 2026

Tranche 4: Dividend amount: USD 0.2960685437049160 per common share (based on the total of 84,439,906 common shares) Declared currency: USD. Distributions payable to NDRs registered in the Euronext VPS will be made in NOK, with the conversion from USD to NOK to be based on Norges Bank official closing exchange rate at the record date. Date of approval: 14 April 2026 (AGM) / 18 November 2026 (contemplated date for verification of the Conditions by the Board of Directors) Last day including right: 24 November 2026 Ex-date: 25 November 2026 Record date: 26 November 2026 Payment date: 7 December 2026

For Tranches 2, 3 and 4, the Company will confirm each distribution following verification of the Conditions for the relevant Tranche by the Board of Directors.

This information is published in accordance with the requirements of the continuing obligations of companies admitted to trading on Oslo Børs.

For further inquiries, please contact: Investor Relations Team ir@theconstellation.com