Thailand Enclosure 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

. 2535 (as amended) – as per the resolution of the Board of Directors’ Meeting No. 8/2017 held on September 21, 2017 approving to propose to the shareholders’ meeting to consider and approve the allocation

Management Name : Mrs BLANCA SHULAN HUANG | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 29/01/2016

Management Name : Air Vice Marshal ISARAYA SUKCHAROEN | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 23/03/2017

Management Name : Miss LA-ORSRI MATURANONT | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 18/05/2016

Management Name : Miss LA-ORSRI MATURANONT | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 27/05/2016

Management Name : Miss MUNCHUSA TERAPONGPIPAT | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer to depositor | Transaction Date : 05/04/2016

Management Name : Miss MUNCHUSA TERAPONGPIPAT | Type of securities : Common share | Methods of Acquisition / Disposition : Accept Transfer from depositor | Transaction Date : 08/04/2016

Management Name : Flight Lieutenant SATTA SUPARP | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 16/11/2017

Management Name : Mom Luang SANTIDIS DISKUL | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 04/11/2016