data, particularly those from outside the company. In addition, any forward looking statements are subject to change as market conditions and actual outcomes may differ from forecasts. BAM makes no

to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise) To : President, The Stock Exchange of Thailand

President The Stock Exchange of Thailand Capital Engineering Network Public Company Limited (“the company” or “CEN”) hereby noticed that resolution from Board of Directors No.4/2020 held on August 14, 2020

Analysis Q2/2020 IR63/013 13 August 2020 Subject Management Discussion and Analysis for the second quarter ended 30 June 2020 Attention President The Stock Exchange of Thailand According to the resolution of

: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No. 8/2017 of

) To: President The Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No

investment on assets (Revision 2) Attention: Directors and Managers The Stock Exchange of Thailand Attachment: 1. Information on the investment on assets 2. F53-4 form 3. Details on the issuance of warrants to

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

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand

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