3 Conclusion Based on our procedures and the evidence obtained, we are not aware of any material modifications that should be made to sustainability metrics in Annex A, in order for it to be in accordance with the Criteria. Restricted Use The report is intended solely for the information and use of ADNOC for the disclosures made in the Sustainability Report for the year ended 31 December 2025 and is not intended to be and should not be used by anyone other than ABU DHABI NATIONAL OIL COMPANY (ADNOC) P.J.S.C for Ernst & Young Middle East (Abu Dhabi Branch) Mobin Khan Partner May 13, 2026 Abu Dhabi, United Arab Emirates 144