Whistleblowers may report matters related to wrongdoing or corruption through the following channels and methods:

1. Electronic Mail (E-mail)
Send to: whistleblower@thai-iod.com

2. Postal Mail
Addressed to:

Chairman of the Board and/or
Chairman of the Audit Committee

Address:
CMA. Building2, 2/9 Moo 4 Northpark Project
Vibhavadi-Rangsit Road, Thung SongHong, Laksi
Bangkok 10210, Thailand