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

IN NET PROFIT OF OVER 20 PERCENT FOR 1st QUARTER 2018, COMPARED TO THE PREVIOUS YEAR ATTENTION PRESIDENT, THE STOCK EXCHANGE OF THAILAND Khon Kaen Sugar Industry Public Company Limited and its

1188 FAX : +66 (0) 2625 1103 www.jubileediamond.co.th CS 08/2018 May 8, 2018 Subject Declaration of Operating Results for the first quarter of year 2018 Attention Directors and Managers The Stock

* Note Please find further information in the consolidated financial statements. 1 9th May, 2018 Subject: Management Discussion & Analysis (MD&A) for the 1st quarter of 2018 Attention: The President

- Translation – MPIC 007/2018 May 09, 2018 Subject: Submit the Financial Statement for the quarter ended March 31, 2018 and clarification for the change of operating result more than 20% Attention

1 - TRANSLATION - VS/PC (Q-CON) 016/2018 May 10th , 2018. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2018

- Translation - MPIC 007/2019 February 13, 2019 Subject: Submit the Year End Financial Statement ended December 31, 2019 and clarification for the change of operating result more than 20% Attention

1 - TRANSLATION - KT/PB (Q-Con) 001/2020 February 13, 2020. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2019 Quality Construction

- Translation - MPIC 002/2020 February 17, 2020 Subject: Submit the Year End Financial Statement ended December 31, 2019 and clarification for the change of operating result more than 20% Attention

1st Quarter 2017 ended of 31 March 2017 Attention The President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the