-Translation- No. ECF2 044/2561 3 December 2018 Subject: Notification of the resolutions of the Board of Directors’ Meeting approving the investment in purchasing the ordinary shares of S-TREK (Thailand) Co., Ltd., capital increase, and the issuance and allocation of the newly issued ordinary shares to the specific person under the private placement basis, and the schedule for Extraordinary General Meeting No. 1/2019 To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum...

No. ECF2 044/2561 3 December 2018 Subject: Notification of the resolutions of the Board of Directors’ Meeting approving the investment in purchasing the ordinary shares of S-TREK (Thailand) Co., Ltd., capital increase, and the issuance and allocation of the newly issued ordinary shares to the specific person under the private placement basis, and the schedule for Extraordinary General Meeting No. 1/2019 (Additional) To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum...

-Translation- No. ECF2 005/2019 17 January 2019 Subject: Cancellation of the resolutions of the Board of Directors’ Meeting No. 13/2018 in relation to the investment in the ordinary shares of S-TREK (Thailand) Co., Ltd., the investment in the ordinary shares of S-TREK (Thailand) Co., Ltd., capital increase, and the issuance and allocation of the newly issued ordinary shares to the specific person under the private placement basis, and the schedule for 2019 Annual General Meeting of Shareholders...

to store excess electricity to be used during peak demands in order to help optimize and stabilize power system at the Science & Innovation Centre of GC, Rayong and “Smart city” pilot project for

securities underwriter after an offer for sale of the underwritten securities so that the underwriter shall be able to allocate shares in excess of the underwriting amount. Such proceeding will increase the

Ayutthaya province. A total area of 262-1-71 rai (Less is devoted to the public interest, the remaining area of 0-2-50 rai valuation of 261-3-21 rai or 104,721 square meters, was not indivisible unit

of 262-1-71 rai (Less is devoted to the public interest, the remaining area of 0-2-50 rai valuation of 261-3-21 rai or 104,721 square meters, was not indivisible unit.) and deed number

effective in 2019. 2.2 The decrease gross profit margin in the remaining portion resulted from the Indirect costs, most of which are fixed costs, were not decreased in the same direction of Sales. Gross

Estimated total improvement cost (until Q2 2017) Aggregate actual cost Ended at Jun 30, 2017 Estimated Improvement cost (For remaining works) At Jun 30, 2017 Improvement cost Re-design cost, advisor cost

/period (the last repayment will be made for remaining principal) at rate of 3-month fixed deposit rate plus percent of fixed rate per annum - Long term loan from TBANK was of Bt26.3 million due on Nov 28