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
materiality. TRIS informed RML that TRIS downgraded the RML credit rating to "BB+" (Double B Plus) from "BBB-" (Triple B Minus) and the rating outlook is revised to "Negative" from