External audit

​​​​​​Significant sustainability-related content, indicators and text passages that do not fall within the scope of the statutory audit of the management report with reasonable assurance are indicated by arrow markings at the beginning ( ) and end ( ) of the corresponding passage and a gray font color and are audited with limited assurance by a third party appointed separately by the Management Board, the auditing company PricewaterhouseCoopers GmbH (PwC).