Advanced Info Service Public Company Limited Advanced Info Service Public Company Limited ("ADVANC") had duties to prepare and submit a report of key financial ratio for the year 2021

Mr. Somchai Lertsutiwong Mr. Somchai Lertsutiwong, a Chief Executive Officer for the operation of Advanced Info Service Public Company Limited ("ADVANC"), shall be liable for ADVANC's

"Stable". RML acknowledged the downgrade credit rating result prior to the effective date of Filing Form but RML did not reveal this credit rating in Filing Form. 27/12/2021 agreed to comply

liable for RML’s failure to reveal the downgrade credit rating which should have been stated in the registration statement and draft prospectus (Filing Form) in materiality. 27/12/2021 agreed to comply