1 / 2 IR.023/2018 13 November 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited

a result of the ability to maintain profitability, the stock buyback, and the Company’s interim dividend payment. Quarter Quarter Quarter 1/2019 4/2019 1/2020 Current ratio 0.63 0.64 0.57 Debt to

: President The Stock Exchange of Thailand CH. Karnchang Public Company Limited (“the Company”) and its subsidiaries would like to clarify the consolidated operating result and financial position for the six

-9320 1 Ref: PCL 2020/018 November 14, 2020 Subject: Management Discussion and Analysis for the 9-month period ended 30 September 2020 To: The President of the Stock Exchange of Thailand Panjawattana

PERFORMANCE OF OVER 20 PERCENT FOR THE THIRD QUARTER OF YEAR 2017 COMPARED TO THE SAME PERIOD OF THE PREVIOUS YEAR ATTENTION PRESIDENT, THE STOCK EXCHANGE OF THAILAND Khon Kaen Sugar Industry Public Company

, 2017 To: President of the Stock Exchange of Thailand Seamico Securities Public Company Limited (“The Company”) would like to report the unaudited operating result for the period ended June 30, 2017 as

Ref Ref. 2S_BoD017/2018 May 9th, 2018 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

Microsoft Word - Eng-SET Q4-19 audited Final Ref: FASET 01/2020 February 24, 2020 Subject: Report the operating result for the year ended December 31, 2019 To: President of the Stock Exchange of

Ref Ref. 2S_BoD001/2020 February 26th, 2020 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

จดหมายชี้แจงq260e August 15, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2017 Summary on Second Quarter