1 August 17, 2018 Subject: Notification of the Resolutions of the Board of Directors’ Meeting and Determination of the Date of Extraordinary General Meeting of Shareholders No. 1/2018 To: President The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary Shares to Specific Investors (Private Placement) at the Offering Price with a Discount of not more than ten percent of the Market Price 2. Capital Increase Report Form (F53-4) 3. Information M...

No. ECF2 035/2562 23 September 2562 Subject Notification on the resolutions of the Board of Directors’ Meeting approving the purchase of the ordinary shares in KPN Academy Company Limited, the increase of registered capital, the issuance and the allocation of the newly-issued shares to specific persons (Private Placement) and the convening of the Extraordinary General Meeting of Shareholders No. 1/2019 To Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on...

No. ECF2 035/2562 23 September 2562 Subject Notification on the resolutions of the Board of Directors’ Meeting approving the purchase of the ordinary shares in KPN Academy Company Limited, the increase of registered capital, the issuance and the allocation of the newly-issued shares to specific persons (Private Placement) and the convening of the Extraordinary General Meeting of Shareholders No. 1/2019 (additional) To Director and Manager The Stock Exchange of Thailand Enclosure 1. Information M...

No. ECF2 035/2562 23 September 2562 Subject Notification on the resolutions of the Board of Directors’ Meeting approving the purchase of the ordinary shares in KPN Academy Company Limited, the increase of registered capital, the issuance and the allocation of the newly-issued shares to specific persons (Private Placement) and the convening of the Extraordinary General Meeting of Shareholders No. 1/2019 (2nd additional) To Director and Manager The Stock Exchange of Thailand Enclosure 1. Informati...

Directors certifies that the Board of Directors has performed its duty with honesty and has carefully preserved the benefit of the Company in relation to such increase of the registered capital. However, in

of Directors The Board of Directors certifies that the Board of Directors has performed its duty with honesty and has carefully preserved the benefit of the Company in relation to such increase of the

-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...

has performed its duty with honesty and has carefully preserved the benefit of the Company in relation to such increase of the registered capital. However, in the case that such performance of duty