(Translation) UAC.CS/021/2020 November 11, 2020 Subject: Explanation of the operating results for the third quarter period ended September 30, 2020 To: President The Stock Exchange of Thailand

. 1/2018 To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Offering and Allocation of the Newly Issued Shares of Ocean Commerce Public Company Limited to

of Governors of the Stock Exchange of Thailand Reference is made to the resolutions of the Board of Directors’ Meeting No. 6/2018 of Master Ad Public Company Limited (the “Company”), held on May 17

on Issuance for Sale of Sukuk and Disclosure of Information By virtue of Section 16/6 of the Securities and Exchange Act B.E. 2535 (1992) (SEA), as amended by the Securities and Exchange Act (No. 4

in FY22 1. In Feb-22, AIS announced the Joint Development Agreement (“JDA”) with Gulf Energy Development Plc. (“Gulf”) and Singapore Telecommunications Limited (“Singtel”) to jointly establish a data

Acquisition. To: The President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Acquisition of Assets of Hydrotek Public Company Limited 2. Capital Increase Form (F 53-4) 3. Information

latter decreased in production due to the adjustment stock management to suitable with the decrease in HRC market price worldwide. - Gain on exchange rate was achieved of THB 193 million in Q2-2017, which

Cease Such Business to Connected Person Attn.: President The Stock Exchange of Thailand Enclosure Information Memorandum re: The Disposition of Assets Relating to the Business of Manufacturing Accessories

entitled for subscription of new ordinary shares (Record Date) and Subscription period To: The President of the Stock Exchange of Thailand Enclosure: 1. No. For. 19/2018 Capital Increase, Waiver from

Events in 2018  January o Bangchak Retail Co,. Ltd. signed an agreement to give the master franchise license for Inthanin Coffee shops in Cambodia and Laos PDR. to RCG Retail Co., Ltd. (Cambodia); the