-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...

Committee (“MCDC”) Name of Operating Company Hydrotek Supreme Mandalay Company Limited (“HSMC”) Company Holding The Company 80% : Supreme Enterprise Limited 20% Detail of Supreme Enterprise Supreme Enterprise

3.00 - - Operating expenses 0.10 0.01 10.13 EBIT 2.90 (0.01) (10.13) Income tax expense 0.001 - - Net profit(loss) 2.90 (0.01) (10.13) Description PBSB Financial Statement For the Year Ended May 31 (Unit

performance of gas turbine [to lower the heat rate of the power plant, shorten the maintenance period (or add operating days) by 5-10 days and add capacity by 7 MW], its efficiency improvement was already

subsidiary of the Company operating publication of books and journals business), i.e. disposing 42,250,000 ordinary shares in WPS, equivalent to 84.50 percent of the total number of shares in WPS (“Shares of

responsible for these lawsuits and assigned the lawyer to negotiate with 1 0 creditors which the negotiation was completed in 10 creditors and inform them of future operating policies, including the Company's

21.8% 5.5% 2.6% Service & Administrative expenses (59.91) -8.4% (86.99) -10.5% (66.14) -7.9% -24.0% 10.4% Operating profit 119.28 16.7% 87.32 10.5% 117.67 14.0% 34.8% -1.4% Other income 44.82 6.3% 59.08

Company and its subsidiaries generated cash flows from operating activities amounting to Baht 3,838 Million. Cash utilized of Baht 642 Million from investing activities as follows (1) paid for the M&E