Shares to Specific Investors (Private Placement) constituting a Connected Transaction, Reduction of Registered Capital, Increase of Registered Capital, Amendment of Memorandum of Association, Waiver from

assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 3) To : President, The Stock Exchange of Thailand Attachment : 1. Capital Increase Report Form (F 53-4) 2

Meeting No. 1/2019 To President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Asset Acquisition (Addendum 1) regarding acquisition of shares of S-TREK (Thailand) Co., Ltd. in the

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

., and Schedule for the EGM of Shareholders No. 1/2019 (Revised2) To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of

for sale of investment units to increase registered capital of a mutual fund, the particulars and information required in paragraph one shall be up-to-date, and the prospectus shall also include the

percent To The President of the Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Results for the three-month and the six-month : Q2/2017 For the three-month ended 30

Page 1 of 4 No. RJH – SET 10/2018 12 November 2018 Subject : Management Discussion and Analysis for the 3rd quarter of 2018 ending September 30, 2018 To : The President The Stock Exchange of Thailand

ที่ กบร No. Kor Bor Ror. 008/2018 May 10, 2018 President The Stock Exchange of Thailand Re : Credit guarantee to A Tech Textile Co., Ltd. on shareholding proportion Ref : Document no. Kor Bor Ror

ที่ กบร No. Kor Bor Ror. 021/2017 August 10, 2017 President The Stock Exchange of Thailand Re : Credit guarantee to Sahapat Real Estate Co., Ltd. on shareholding proportion Ref : Document no. Kor Bor