Ref. No. IVL 003/08/2020 13 August 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

No. WHAUP-CS014-2562 1 8 August 2019 Re Share Acquisition in Duong River Surface Water Plant JSC in Vietnam Dear President The Stock Exchange of Thailand WHA Utilities and Power Public Company

of a Company’s subsidiary Cal-Comp Precision Holding Co., Ltd. for the purpose of future organization structure and operating plan for precision entities, as per the Notifications of the Stock Exchange

disclosure of information to the Stock Exchange, which shall be sent to shareholders consequently. 1.4 Details of Acquired Assets and Future Business Plan The acquired assets are the property equipment and

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

R&B Food Supply Public Company Limited 1 14 August, 2020 Re Management Discussion and Analysis for the 6-month period ended 30 June, 2020 Attn. The President The Stock Exchange of Thailand (SET) R&B

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

Stock Exchange of Thailand Attachment: Management Discussion and Analysis ended 31 March 2019 As Golden Lime Public Company Limited (“the Company”) has submitted the Auditor’s report on the Consolidated

shares or rendering a financial support that will later generate the right to acquire shares of such business, and being involved in the supervision of the business plan, the operation or the improvement

rendering a financial support that will later generate the right to acquire shares of such business, and being 2 involved in the supervision of the business plan, the operation or the improvement of the