compared to +1.1% in FY19. Cost & Expense Cost of service for 2020 was Bt81,641mn, flat YoY from decrease in regulatory fee and prepaid commission following revenue decline offset by higher network OPEX

Sales revenues at 5.8% which was driven by the strong recovery of power supplies for Computer & Networking and DC-DC Power. In the same period last year, the Company has booked a major expense item

acquired in 2016 and 2017. In 2018, the revenues from renewable energy are starting to contribute a significant portion of the profits. Padaeng Industry Public Company Limited and its subsidiaries (“the

PowerPoint Presentation After You Public Company Limited Management Discussion & Analysis Q2/2020 Management Discussion & Analysis Q2/2020 Q2/2020 Key Financial Highlights Executive Summary 2 Overall

Generation Capacity of Nava Nakorn Electr icity Generating Company Limited Nava Nakorn Electricity Generating Company Limited (an indirect joint venture in which Ratchaburi Electricity Generating Company

Company Limited and its subsidiaries (Hereinafter called “The Group”) would like to submit Management’s discussion and analysis for the Quarter 2’ 2018 with the summary as follows: - 1. Nature of operations

information for any purpose. For further detail, please contact Investor Relations Division of the Electricity Generating Public Company Limited (EGCO) at Tel: 662-998-5150-3 or Email: ir@egco.com Page 2

Zen Corporation Group Public Company Limited 782/1 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND. Tel: 02-0195000 13 May 2019 No. ZEN 2562-018 Subject Management Discussion and Analysis for 3

percent compared to the first six-month period of the previous year, the main reason is that the Company recognized past service cost as an expense in statement of comprehensive income due to the

ซอยศนูยว์ิจยั ถนนพระรำม 9 แขวงบำงกะปิ เขตหว้ยขวำง กรุงเทพฯ 10310 ส ำนกังำนใหญ่ FIRETRADE ENGINEERING PUBLIC COMPANY LIMITED 21/57-58 Soi Soonvijai, Rama 9 Road, Bangkapi, Huaykwang, Bangkok 10310