1 No. CC20180203ELE February 23, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No.1/2018 To President The Stock Exchange of Thailand The Board of Directors of Cal-Comp

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

periods etc. 2. Price movements graphs, e.g., share prices during one year after IPO compared with IPO prices, graphs showing relative returns compared to sector’s benchmarks and to SET index or MAI index

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended) To: The President The Stock Exchange of Thailand

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 2) To: The President The Stock Exchange of

September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 (Amended 3) To: The President The Stock Exchange of

Stock Exchange of Thailand Refer: The letter no. TorLor 049/2014; dated on 24th November 2014; subject: Information on investment increase in shares of Millcon Steel Public Company Limited resulting from

. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss of damages arising from or related to its use. PAGE (Translation) 2 The Securities and Exchange

. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss of damages arising from or related to its use. The Securities and Exchange Commission Notification

, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss of damages arising from or related to its use. The Securities and Exchange Commission Notification of the