Page 342 - CRC_One Report 2021_EN

Business Overview and Performance Corporate Governance Financial Statements Enclosure

(4) Whistleblowing

In case of suspected any act of corruption or breached any rules, regulations, or code of conduct, Complainants
must provide details of complaints along with their names, addresses and contact telephone numbers to
CRCWhistleblower@central.co.th or by post:

Head of Internal Audit Department
Central Retail Corporation PCL
22 Soi Somkid, Ploenchit Road
Lumpini Sub-district,
Pathumwan District,
Bangkok 10330

In case of complaining towards the Chief Executive Officer, complaints have to be filed directly with the Chairman
of the Audit Committee AuditChairman@central.co.th or by post:

The Chairman of the Audit Committee
Central Retail Corporation PCL
22 Soi Somkid, Ploenchit Road,
Lumpini Sub-district,
Pathumwan District
Bangkok 10330

Person who can make complaint on corruption are all stakeholders of the Company, namely shareholders, customers,
competitors, creditors, public sector, community, society, executives and employees. No matter channels they utilize
for making complaints, the Company will strictly keep the reported information confidential.

The Company has the clear written operating procedure demonstrating the procedure and process of investigation
in accordance with the Whistleblowing Policy and the Company’s Code of Business Conduct, to acknowledge
the employees the investigation procedure and process for complaints regarding corruption and misconduct,
and to show or disseminate to those involved, including complainers, complainants, witnesses, investigators and
other related people. The Company regularly reviews and improves the guidelines for handling complaints related
to wrongdoing. The latest revision has been updated in December 2021, to be more concise for more efficient
operations. The process can be summarized as follows:

342 Annual Report 2021 (Form 56-1 One-Report)