1. Capital Increase Form (F 53-4) 2. Information Memorandum concerning the Offering and Allocation of the Newly Issued Shares of Hydrotek Public Company Limited 3. Information Memorandum concerning

Bangkok, 20 October 2016 - The SEC has suspended approval of 11 investment consultants of six securities companies for soliciting investors to purchase IPO and over-the-counter shares to seek

in compliance with the instruction the registrar in order to duly complete the registration 3. In case there are remaining unallotted shares after the first allotment to existing shareholders

โทร 02 118 9599 โทรสาร 02 118 9598 ทะเบยีนเลขที ่0107554000232 No.: PACE-L 27/2019 Date: 8 November 2019 Subject: Disposal of shares in the subsidiary To: President Stock Exchange of Thailand By virtue

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

Allotment of Shares in Excess of Underwriting Amount (No. 2)

Re: Allotment of Shares in Excess of Underwriting Amount

Distribution of Newly Issued Shares and Share Warrants by Issuer

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

No. 2/2019 held on February 25, 2019 authorized the Acting Managing Director and/or Executive Committee to proceed and complete the sales of ordinary shares and claim payment of the company’s loans