Investor Contact” means any investor contact who is also authorized to analyze securities investments; “Category B Investor Contact” means any investor contact who is not authorized to analyze securities

with the Notification of the Ministry of Finance Re: Ministerial Order given to Authorized Juristic Person No. 11, with salient points as follows. 1. Eliminate Foreign Exchange Transaction Form: Foreign

for the three- month period and nine- month period ended 30 September 2017, which have been reviewed by the company’ s authorized auditor. The company would like to clarify the operating results of the

fiscal year 2020. The above auditors are authorized to review and give opinion on the financial statement of the Company and its subsidiaries as well as approved the audit fee of the Company for the fiscal

policy-making or the Company's operation (for example, assigning a person to be an authorized director). If the shareholders identified above do not represent the true shareholders, for example, those

the director, executives, the major shareholders or the authorized person of the Company at the price of not exceeding Baht 100,000,000. Details are as followed 1) Transaction Date Within March 2018 2

period Please be informed accordingly, Yours sincerely, (Associate Prof. Dr.Chiraphol Chiyachantana) Authorized person for disclosure of information

wishes to hereby report to the SET the resolution earlier adopted at its Board of Directors’ meeting no. 7/2018 on February 21, 2019. Said resolution authorized the company to enter into transaction to

hereby report to the SET the resolution earlier adopted at its Board of Directors’ meeting no. 7/2018 on February 21, 2019. Said resolution authorized the company to enter into transaction to sell assets

(391%) profit lower than in the year 2017 (2017’s profit 13 million Baht). Please be informed accordingly. Sincerely yours, Ms. Vilai Siripoonkiatikul Authorized Signature