/2018 December 19, 2018 Re: Notification of Resolutions of the Board of Directors’ Meeting No. 8/2018 Attn.: President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on Acquisition of

; “central securities depository” means any central securities depository according to the Law on Securities and Exchange; “Stock Exchange” means the Stock Exchange of Thailand according to the Law on

operator of the outcome of the application for approval under Clause 2 (1) (a) within thirty days from the date of receipt of the valid and completed documents, except in case it is necessary to examine

operator of the outcome of the application for approval under Clause 2 (1) (a) within thirty days from the date of receipt of the valid and completed documents, except in case it is necessary to examine

SEC Office shall notify the derivatives business operator of the outcome of the application for approval under Clause 2 (1) (a) within thirty days from the date of receipt of the valid and completed

used to repay corporate loan, refinance existing corporate debts and project finance to reduce interest rate and extend tenors. Successful BGYSP acquisition BGYSP acquisition successfully completed in

Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond

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Transaction on Acquisition of Assets and Determination of the 2020 Annual General Meeting of Shareholders To: Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the

paid up; “Stock Exchange” means the Stock Exchange of Thailand; “related person” means the related person under the Notification of the Capital Market Supervisory Board concerning the Related Party