% 352 233 51% Profit/(loss) before finance costs and income tax expense 1,001 1,121 -11% 3,143 -68% 2,928 6,853 -57% Finance costs (412) (421) -2% (401) 3% (1,276) (1,140) 12% Profit/(loss) before income

investors to carefully study the prospectus before making any securities investment decision, where the caution statement shall be in easily legible print and in a size not less than the size of the letters

Derivative Warrants of Securities Issuing Companies. Clause 9 Documents or evidence filed with the SEC Office as specified under this Notification, whether before or after approval, shall comply with the rules

บริษทั ไฮโดรเท็ค จํากดั 72/2558 before the allocation and offering of the Company’s newly issued ordinary shares to SUTG “Market Price” means the weighted average price of the Company’s shares listed on

the Ordinary Shares of KPN Academy Company Limited. Page 5 Diagram of the Company’s shareholding structure before and after the transaction Before the transaction After the transaction Remark: based on

of Goods and Rendering of Services (295.26) (323.07) (380.98) Other Income 30.28 15.40 18.37 Selling and Administrative Expenses (93.13) (172.38) (168.80) Profit before Finance Costs and Income Tax

1/8 เลขท่ี 1 อาคาร ทีพี แอนด์ ที ชัน้ 14 ซอยวิภาวดีรังสติ 19 14th Floor, TP&T Tower 1 Soi Vibhavadee-Rangsit 19 Tel : (662) 936-1661-2 แขวงจตจุกัร เขตจตจุกัร กรุงเทพฯ 10900 Chatuchak, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 079/0960 25 September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary...

1/8 เลขท่ี 1 อาคาร ทีพี แอนด์ ที ชัน้ 14 ซอยวิภาวดีรังสติ 19 14th Floor, TP&T Tower 1 Soi Vibhavadee-Rangsit 19 Tel : (662) 936-1661-2 แขวงจตจุกัร เขตจตจุกัร กรุงเทพฯ 10900 Chatuchak, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 082/0960 25 September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary...

1/8 เลขท่ี 1 อาคาร ทีพี แอนด์ ที ชัน้ 14 ซอยวิภาวดีรังสติ 19 14th Floor, TP&T Tower 1 Soi Vibhavadee-Rangsit 19 Tel : (662) 936-1661-2 แขวงจตจุกัร เขตจตจุกัร กรุงเทพฯ 10900 Chatuchak, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) (Translation) No. 084/0960 26 September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary...

which are SME entities with annual income of not exceeding Baht 500 million that have not filed a tax return or have filed an invalid tax return before this law takes effect are entitled to exemption of