Notification of the Board of Directors No.6/2018 Re: Convening the Extraordinary Shareholders’ Meeting No.1/2018; an Acquisition of Assets and Connected Transaction for the Entire Business Transfer and

having a common director(s) with major shareholder. Letter of Intent / Memorandum of Understanding is signed with Christiani & Nielsen Energy Solutions (“CNES”) to provide services of designing

Subject Notification of the Board of Directors No.6/2018 Re: Convening the Extraordinary Shareholders’ Meeting No.1/2018; an Acquisition of Assets and Connected Transaction for the Entire Business Transfer

the Connected Transaction of the Offering and Allocation of the Newly Issued Shares of Hydrotek Public Company Limited Following Hydrotek Public Company Limited (the “Company”)’s Board of Directors

/ EBITDA from Natural Resources business of Nido Petroleum Pty. Ltd., BCP Energy International Pte. Ltd., BCP Innovation Pte. Ltd., and share of profit from associated companies 6/ Others items and

(Translation) 9 April 2019 Subject: Disclosure of Additional Information on the Tender Offer for the Securities of Glow Energy Public Company Limited (Form 247-4) No.1 Attention: Secretary-General

., Bangchak Bioethanol (Chachoengsao) Co., Ltd., KSL Green Innovation Plc.) and share of profit from Ubon Bioethanol Co., Ltd. 5/ EBITDA from Natural Resources business of Nido Petroleum Limited, BCP Energy

Plant: Total revenue in Q4/2017 decreased by 45% due to the maintenance shutdown caused the revenue from Availability Payment (AP) and Energy Payment (EP) to fall in which at the same time, the

from sales and services decreased Baht 321.01 million or 53.91% from the corresponding period of the previous year, mostly from revenue from Trading in Energy & Petroleum which decreased Baht 310.21

transaction. 3. Business operation of CAZ is not overlap with the Company business. CAZ provides EPC service with project value more than Baht 100 million. CAZ’s customers are mainly in energy business. 4. In