Microsoft Word - MDA FY18 EN February 20, 2019 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent

according to notification of The Stock Exchange of Thailand regarding “disclosure of information and other acts of listed companies concerning the acquisition or disposition of assets, 2004”. The transaction

Microsoft Word - MDA FY19 EN.docx February 24, 2020 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent

Transaction according to the Notification of the Board of Governors of the SET Re: Disclosure of Information and Other Acts of Listed Companies Concerning the Acquisition and Disposition of Assets; it is

totaling of 376.53 Million Baht. (Already signed contract totaling of 798.70 Million Baht, refer to Notification of project awarded to the SET on July 20, 2017 and August 3, 2017). 4. Testing and Inspection

Microsoft Word - MD&A 2Q17 EN August 15, 2017 To President, The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent

companies as specified in The Notification of The Capital Market Supervisory Board No. Tor Chor. 21/2551, regarding rules on connected transactions provided as transactions relating to assets and services

Microsoft Word - MDA Q219 EN August 14, 2019 To President The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20 percent

considered as related transaction according to Notification of Capital Market Commission as the category of assets or services transaction which is more than 1 million baht but less than 20 million baht or

transaction is less than 15 percent. Therefore, the information disclosed in the Notification of the Acquisition or Disposal of Assets 3.5 Criteria for Measurement of Connected Transactions Comparing net asset