period of last year The explanation for Company’s Operation change from same period more than 20% To : The President, The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 1/2019 February 28, 2019 To : The President The Stock Exchange

ทดสอบกระดาษหัวจดหมาย IRC 5 -Translation- 13 May 2019 Subject: Notification of a Related-Party Transaction To: Managing Director of the Stock Exchange of Thailand Please be informed that the Board of

of last year The explanation for Company’s Operation change from same period more than 20% To : The President, The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

: Clarification of the Company’s operation for 6 month period of 2019 compared to year 2018 To: Directors and Managers The Stock Exchange of Thailand PAE (Thailand) Public Company Limited and its subsidiaries would

BOD Resolution 4_2018 EN_Connected Transactions_ITTC_v2 -Translation- 11 May 2018 Subject: Notification of a Related-Party Transaction To: President and Managing Director The Stock Exchange of

. To : The director of the Stock Exchange of Thailand Ramkhamhaeng Hospital Public Company Limited would like to clarify the operation results, as follows: 1. Ramkhamhaeng Hospital Public Company Limited

period of last year The explanation for Company’s Operation change from same period more than 20% To The President The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

period of last year The explanation for Company’s Operation change from same period more than 20% To : The President The Stock Exchange of Thailand T.C.J. Asia Public Company Limited (“TCJ”) and its

ทดสอบกระดาษหัวจดหมาย IRC 5 -Translation- 11 May 2020 Subject: Notification of a Related-Party Transaction To: Managing Director of the Stock Exchange of Thailand Please be informed that the Board of