— Inquiries with staff at group level responsible for the collection and consolidation as well as the performance of internal control procedures with regard to the disclosures; — Inspection of selected internal and external documents in order to determine whether qualitative and quantitative information is supported by appropriate evidence and presented in an accurate and balanced manner; — Assessment of data collection, validation and reporting processes as well as of the reliability of the reported data on the basis of sample testing and the examination of selected calculations; — Analytical evaluation of the quantitative data and development of the selected GRI and PRI disclosures, which were submitted for consolidation at group level; — Evaluation of the consistency of the requirements applicable to the company for the selected GRI and PRI disclosures with other disclosures and key figures in the corporate sustainability report — Evaluation of the overall presentation of the disclosures by critical reading of the corporate sustainability report 2020.