Management Discussion and Analysis for Interim Business Operations Investment in Subsidiaries In the 3rd quarter of 2018, Hydrotek Public Co., Ltd. has additionally invested in the following

บริษัท เอบิโก้ โฮลดิงส์ จํากดั (มหาชน) 401/1 หมู่ 8 อาคารเอบิโก้ ชัน 5 ถ.พหลโยธนิ ต.คูคต อ.ลําลูกกา จ.ปทมุธานี 12130 โทร - - โทรสาร - - Management Discussion and Analysis (MD&A) ABICO HOLDINGS ABICO

2,240,000 approximately Baht 2,397,920, accounted for 0.014% of NTA as December 31, 2018. The pricing will be contract price. 5. Details of related person -Name of related person : Kinpo Group Management

and contract work 11.8 14.9 -21.0% 1.1 Turnkey Total Solutions 11.8 14.9 -21.0% 2. Revenue from services 744.5 696.0 7.0% 2.1 Fully Outsourced Contact Center Management Service 527.5 499.5 5.6% 2.2

No. INSET 007/2563 24 February 2020 Subject Management Discussion and Analysis of the Year 2019 Operating Results, Ending 31 December 2019 Dear Governors and President Market for Alternative

- Translation - Management Discussion and Analysis for Interim Business Operations Financial Performance for the year ended December 31 , 2017 (Unit : M ill ion Baht) 2017 2016 Inc./(Dec

contract that had no pipe delivery, just installation. 1.2 Export sales revenue increased Baht 12.84 million or 35.56%. 2. Incomes from the water management business in quarter 1/2018 increased from the

73 1 / 4 Pef. MD 042/2017 15th August 2017 Subj Management Discussion and Analysis (MD&A) Q2/2017 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public Company

(Translation) PRG.MD. 021/2019 February 26th, 2019 Subject: Management Discussion and Analysis (MD&A) of 2018 Attention: Managing Director of the Stock Exchange of Thailand We, Patum Rice Mill and

the company had an extra expense from a delayed project and it is one time cost. Moreover, revenue increased Bath 25 million. 2. Management Service (“MS”) had an increase in gross profit for Baht 10