To ensure accuracy, completeness and reliability, this Report has been audited and validated - as a whole and in terms of its substance - by an independent, external certification body prior to its publication.

We inform our stakeholders that the documentation and certification of this Report were performed in order to assure that it complies with the requirements of the GRI Standards (in accordance with/Comprehensive Option). The independent body which reviewed the Report has also certified that the Oil & Gas Sector.

Supplement indicators have been covered. This Report also satisfies the requirements of the CoP Report (Advanced Level) of the UNGC.

Furthermore, the accuracy of the data is assured through internal validation procedures and annual audits made by accredited certification bodies. These inspections and audits ensure that the Report is reliable, adequately balanced and relevant to the expectations and interests of the Group’s stakeholders.