Osotspa Public Company Limited Q3’19 and 9M’19 Management Discussion & Analysis 13 November 2019 Q3’19 and 9M’19 Management Discussion & Analysis Page 1/6 Financial Highlights - Overall Q3’19 Net

1.3 Gain (loss) on Securities trading 1.4 Gain (loss) on Derivatives trading 1.5 Interest and dividend 1.6 Interest on margin loans 1.7 Share of profit of subsidiaries and associates 1.8 Others incomes

Brokerage fees from Derivatives business 1.2 Fees and services incomes 1.3 Gain (loss) on Securities trading 1.4 Gain (loss) on Derivatives trading 1.5 Interest and dividend 1.6 Interest on margin loans 1.7

business 1.1.2 Brokerage fees from Derivatives business 1.2 Fees and services incomes 1.3 Gain (loss) on Securities trading 1.4 Gain (loss) on Derivatives trading 1.5 Interest and dividend 1.6 Interest on

previous year. EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED MANAGEMENT DISCUSSION AND ANALYSIS FOR 2017 EASTERN WATER RESOURCES DEVELOPMENT AND MANAGEMENT PUBLIC COMPANY LIMITED

Sakhon 74110 Thailand. E-mail: ir@aienergy.co.th บริษัท เอไอ เอนเนอร์จี จ ำกดั (มหำชน) AI Energy Public Company Limited ทะเบียนเลขที่ 0107556000311 AIE 258/2019 13 November 2019 Subject: Management’s

1 Zen Corporation Group Public Company Limited 662 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND. Tel: 02-0195000 8 May 2020 No. ZEN 2563-011 Subject Management Discussion and Analysis for the 1st

experience, for example, education, employment record/ affiliation, job positions, work experience, test/training records, certification numbers of locally certified public accountants/international certified

securities trading system and other relevant systems of the Stock Exchange. Meanwhile, an information technology system is necessary for securities clearing houses and central securities depositories to

, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 078/0960 21