The statement notes that the company has a 'whistleblowing policy' 'designed to make it easy for workers to make disclosures, without fear of retaliation', but it does not include any specifics as to any protections that this policy might include for direct employees or supply chain workers.
Although the report states that there is a whistleblowing policy - it does not go into specifics about the mechanisms or protections afforded to whistleblowers, as such it is not possible to determine the extent the policy extends.