-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...

investment, land, building and equipment, goodwill, non-tangible assets, lease hold, deferred tax assets and other non- current assets. Note 3 Comprising income from rental fee received in advance, estimation

-tangible assets, lease hold, deferred tax assets, withholding tax and other non-current assets. Note 3 Comprising income from rental fee received in advance, estimation of staff benefits, deposit of rental

other non-current assets. Note 3 Comprising income from rental fee received in advance, estimation of staff benefits, deposit of rental and service fee and other non-current liabilities. Please kindly be

and related assets in LPG trading business may less than carrying value. The estimation of recoverable amount based on value in use was lower than net book value. However, allowance for doubtful account

Company increased the project cost estimation because of the problem of delay in handover of work area by the employer, overlapping tasks of the employer and changes and adjustment of the construction

, estimation of staff benefits, deposit of rental and service fee and other non-current liabilities. Please kindly be informed accordingly. Sincerely yours, (Mr. Opas Sripayak) Chief Executive Officer and

, withholding tax and other non-current assets. Note 3 Comprising income from rental fee received in advance, estimation of staff benefits, deposit of rental and service fee and other non-current liabilities