May 12, 2022 Subject: Management’s Discussion and Analysis for 1st quarter of 2022 ended as of March 31, 2022 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (“the

No. ADD 25/2022 9 August 2022 Subject: Management discussion and analysis for the performance for the six-month period ended 30 June 2022 To: President The Stock Exchange of Thailand AddTech Hub

(English Translation) Page 1 Date : 5 February 2018 Subject : Notification of the Board of Directors’ Resolution Concerning the Plan to Spin Off its Subsidiary and to List Shares on the Stock

Microsoft Word - 2019_Q1 Results Notification letter_English May 14, 2019 The Director and Manager The Stock Exchange of Thailand Re: Information on First Quarter of 2019 Operating Results KCE

: The President The Stock Exchange of Thailand The Extraordinary Board of Directors’ meeting of Bangkok Airways Public Company Limited, (“Company” or “BA”) No. 1/2019 held on March 19, 2019 and the Board

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand

crop season. CMG inventories from customers’ stock also increased. Meanwhile, there was also higher trade receivables resulted from higher sales contribution of domestic whose collection period is longer

sales volumes. The sharp decline in the Finished Goods prices has also led to a decline in Raw material prices and the Company suffered devaluation loss on Finished Goods stock, Raw Material in stock and

affected by the decline in most of the finished product and crude oil crack spreads, as a result of the oversupply situation in finished oil products, and the anxieties over the trade war between the US and