March 20, 2018 Subject The amendment of Information Memorandum on Acquisition of Assets To President The Stock Exchange of Thailand According, Bangkok Dec-con Public Company Limited has reported

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 To The President The Stock Exchange of

and improves engine cleaning, allowing the engine to work at maximum performance, the Company is the first and the only company to have such a product at the moment, and the number of Bangchak service

inflation is expected to average 0.4-0.9 percent, lower than the 0.7 percent in 2019 while the Monetary Policy Committee (MPC) may signal a more accommodative stance if the Thai economy sees only a lackluster

UNOFFICIAL TRANSLATION Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. Notification of the Capital Market

compensation for design and construction to related person. To: Managing Director The Stock Exchange of Thailand Reference: 1. Capital Increase Report Form (F53-4) 2. Report of Information Memorandum on the

Carnival Magic Project, and compensation for design and construction to related person. (Update) To: Managing Director The Stock Exchange of Thailand Reference: 1. Capital Increase Report Form (F53-4) 2

; income (loss) from continuing operations per share; 3    total assets; total liabilities; net assets or liabilities; capital stock (excluding long term debt and redeemable preferred stock); number of

Assets and Connected Transaction for the Entire Business Transfer and Allocation of Securities to the Specific Investor (Private Placement) To The President The Stock Exchange of Thailand Attachment 1

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together