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

procedures as specified in the notification of the Capital Market Supervisory Board by engaging in any other business which is not a licensed securities business without the Capital Market Supervisory Board’s