Until the end of 2020, the functions to receive, investigate, handle, and resolve grievances related to the violation of the corporate regulations and other regulations pertinent to the Company's business, are currently performed by the Internal Audit Unit. The Internal Audit Unit maintains the confidentiality and protects the identity of the whistleblowers within reasonable levels in accordance with the Law No. 31/2014 on Witness and Victim Protection.

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The results of the grievance handling and resolution are reported by the Internal Audit Unit to the President Director and the Audit Committee, to be used as a consideration for the management, for further improvement measures to be taken in the future. In 2020, the Internal Audit Unit did not receive any report or grievance related to any violation of regulations, as explained above.