- 1 - AIT (VP-SEC) 005E/2019 February 13, 2020 Subject: Management's Discussion and Analysis of Operating Results for the year 2019 and Q4-2019 To: The President of the Stock Exchange of Thailand

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

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

-5170529 14 November 2017 RE: Explanation of performance for the third quarter of 2017 with a change exceeding twenty percent from the previous year. ATTN: Managing Director, Stock Exchange of Thailand

1 - TRANSLATION - VS/PC (Q-Con) 004/2018 February 1st , 2018. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2017 Quality

ACC6206/004 28 June 2019 Subject Inform the progress of the sale stock in the subsidiary company To Director/ Managing Director The Stock Exchange of Thailand According to the meeting of the Board of

1 - TRANSLATION - KT/PB (Q-Con) 020/2019 August 7, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter ended 30 June 2019

Discussion and Analysis on operating results for Q2/2019 ended June 30, 2019. To: President The Stock Exchange of Thailand The results of operations of Castle Peak Holdings Public Co., Ltd. (CPH) and its

No No. CC20180505ELE May 15, 2018 Re: Clarification of the changes in operation performance for the first quarter ended 31 March 2018 Attn: The President The Stock Exchange of Thailand Cal-Comp

PERCENT FOR 2nd QUARTER 2018, COMPARED TO THE PREVIOUS YEAR ATTENTION PRESIDENT, THE STOCK EXCHANGE OF THAILAND Khon Kaen Sugar Industry Public Company Limited and its subsidiaries (“KSL”) would like to