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

fixed income which are (1) TMB Ultra - Short Bond Fund ("TMBUSB") (2) TMB Aggregate Bond Fund ("TMBABF") (3) TMB THANAPLUS Fund ("TMBTHANAPLUS") and (4) TMB Bond Fund ("

risk of daily fixed income which are (1) TMB Ultra - Short Bond Fund ("TMBUSB") (2) TMB Aggregate Bond Fund ("TMBABF") (3) TMB THANAPLUS Fund ("TMBTHANAPLUS") and (4) TMB