Limited and its subsidiaries Ref. PDI/BK-BS-022/2020 May 12, 2020 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2020 To: President The Stock Exchange of Thailand

Page 1 of 2 SET 007/2020 12 August 2020 Subject Management Discussion and Analysis for the second quarter 2020 To The President of the Stock Exchange of Thailand The Company would like to provide

reference. Notification of the Securities and Exchange Commission No. KorThor. 26/2560 Re. Determination of Paid-Up Registered Capital of Licensed Operators to Undertake Derivatives Business By virtue of

Microsoft Word - MD&A_2022 27 February 2023 Subject: Management Discussion and Analysis Ending 31 December 2022 To: The Managing Director The Stock Exchange of Thailand Unit: MB Summary of operating

310.4 26.0 767.1 582.3 31.7 Total revenue from sales 495.6 428.2 15.8 1,008.5 820,8 22.9 Foreign exchange gain (loss) 2.3 2.7 (16.2) 3.3 7.5 (56.6) Other income 1.2 0.8 47.6 2.6 1.4 88.7 Total revenues

Ref.No.1905/026EN July 16, 2019 Subject Inform about The Connected Transaction Attention President of the Stock Exchange of Thailand According to the Board of Directors Meeting No.9/2019 of UBIS

lease office space for the Company and its subsidiaries. To : President The Stock Exchange of Thailand JCK International Public Company Limited (“the Company”) would like to notify that the Board of

Limited, which is an independent appraiser approved by the Office of the Securities and Exchange Commission (SEC) to appraise land and property, which in accordance with the market price and higher than the

years To: The President The Stock Exchange of Thailand GFPT Public Company Limited ( “ The Company” or “ GFPT” ) would like to disclose the resolution of the Board of Directors’ meeting no. 6/ 2561 on

Exchange of Thailand The Board of Directors of Eastern Water Resources Development and Management Public Company Limited (“Company / EASTW”) at the meeting No.8/2020 held on May 8, 2020 has resolved that