October 30, 2020 Subject: The Management Discussion and Analysis for the second quarter ended June 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

increased 0.9% when comparing to the year 2016 (in 2016: 8.2% / in 2017: 9.1%). This was due to an increase in promotion expenses to stimulate sale. In 2017, 5 low-rise housing projects was launched together

align with business restructuring of MK Group. The objectives were to reduce the business risk and increase revenue from recurring business in the long-term. Real estate business of low- rise housing

revenue from sales and services amounted to Baht 7,815 million, decreased by Baht 334 million or 4% QoQ. This result from the decrease in sale volume and selling price while increase in production cost both

4_MDA Year2019 EN -Translation- No. ECF2 007/2020 February 28, 2020 Subject: Management Discussion and Analysis of the year 2019 ended December 31, 2019 To President The Stock Exchange of Thailand

(Translation) No. MD119/2560 August 29, 2017 Re: Clarification on the Financial Performance of the Company and its subsidiaries as of Year 2015 Attn: President The Stock Exchange of Thailand We, K. C

ABICO 009/KV/2017 May 11, 2017 Subject : Explanation on operation result for the Quarter ended March 31, 2017 To : Director and Manager Stock Exchange of Thailand Abico Holdings Public Company

Stock Exchange of Thailand Reference is made to the fact that BCP Innovation Pte. Ltd. (“BCPI”), which is the subsidiary of Bangchak Corporation Public Company Limited (“Company”), had signed an

Ref. MD 115/2017 August 25, 2017 Re: Clarification on the Financial Performance of the Company and its subsidiaries as of Year 2015 Attn: President The Stock Exchange of Thailand We, K. C. Property

Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.1/2018 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 21 February