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...

8.30 percent to 17.88 percent. The increased gross profit rate from trading business of telecommunication towers , which resulted in economies of scale lead to lower costs. 3. Sales and administration

administration costs: Sales and administration costs of the 3rd quaternary for the year 2017 was MTHB 87.79 increased MTHB 3.34 or 3.95 percent comparing to the one of the amount MTHB 84.45 for the 3rd quaternary

additional investment to upgrade office building’s facilities. - Administration expenses increased due to additional headcount required for the succession plan. Extraordinary items included 15.2 million baht

- - - - -33.64 -100.00 Profit before Selling and Administration expenses 60.37 47.40 33.87 -13.53 -28.54 -26.50 -43.90 Selling expense 9.18 8.54 11.26 2.72 31.85 2.08 22.66 Administration expense 34.78 30.99 25.73

purchase 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Profit before Selling and Administration expenses 48.29 33.87 39.31 5.44 16.06 -8.98 -18.59 Selling expense 11.70 11.26 11.33 0.07 0.62 -0.37 -3.13 Administration

in normal administration. 3. Finance cost was Baht 14.84 million; increased Baht 1.19 million or 8.72 % This is the result from increasing in short term loans from financial institutions using for

intensified and currency exchange fluctuated. Loss on exchange rate amounted to 4.9 mil. baht. Selling and administration expenses were about the same as last year. - Profit for the period fell 34% from 48.9

administration expenses as to some expenses prepared for investment in other companies. Please be informed. Yours Sincerely, Panya Boonyapiwat Chairman