- Translation - MPIC 014/2017 November 8, 2017 Subject: Submit the Financial Statement for the quarter ended September 30, 2017 and clarification for the change of operating result more than 20

- Translation - MPIC 002/2018 February 14, 2018 Subject: Submit the Year End Financial Statement ended December 31, 2017 and clarification for the change of operating result more than 20% Attention

จัดการผลกระทบด้านความยั่งยืนตามหลัก Impact Management Project (IMP) รวมทั้งสามารถนำมาใช้ประกอบการรายงานในแบบ 56-1 One Report ได้ โดยมีนางพรอนงค์ บุษราตระกูล เลขาธิการ ก.ล.ต. และ Ms. Niamh Collier-Smith ผู้

2018_Q1_MDA_ENG Ocean Glass Public Company Limited Page 1/2 Management Discussion and Analysis Operating Results In the 1st quarter of 2018, Ocean Glass Public Company Limited and Subsidiaries (“the

. 2019 2018 Change 2019 2018 Change 2019 2018 Change Engineering 199.42 162.30 37.12 24.44 31.62 (7.18) 12.3% 19.5% -7.2% Management 210.01 189.76 20.25 10.71 16.05 (5.34) 5.1% 8.5% -3.4% Solar energy

decreased Baht (1) million, which was mainly derived from the overall operating results. 2020 2019 Change 2020 2019 Change 2020 2019 Change Engineering 113 199 (86) 16 24 (8) 14.4% 12.3% 2.1% Management 232

. 2019 2018 Change 2019 2018 Change 2019 2018 Change Engineering 706 680 25 57 28 28 8.1% 4.2% 3.9% Management 860 770 90 71 60 10 8.2% 7.8% 0.4% Solar energy 130 128 3 62 62 0 47.4% 48.2% -0.8% Trading

Company Limited Management Discussion and Analysis Consolidated Financial Results For the period ended September 30, 2018 Statement of Comprehensive Income Total Expenses (Million Baht) Quarterly Change

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0268/2020 10 August 2020 Subject: Management Discussion and Analysis for the Second Quarter ended 30 June 2020 To President The Stock Exchange of Thailand

tracking system and cargo management of the State Railway of Thailand, etc. In Q3- 2022, the change of cost of sales and service was similar to the change of the revenue. However, when compare to the costs