(English translation) No. BGRIM 17/2563 17 September 2020 Subject: Information Memorandum on Asset Acquisition from Investment in the Development of 7 Combined Cycle Cogeneration Plants To: President

Entering into the Transaction In evaluating fairness of price in entering into the transaction of selling this land to SPI, the Independent Financial Advisor assessed the fair value of the asset based on

gross margin to sales decreased by 3.6 percent mainly from the seaweed cost increase by more than 20% as the quantity of seaweed production in China in the production cycle of the year 2017 decreased by

period last year but slightly dropped 5.2% from last quarter due to electric vehicle business slowdown and telecommunication technology life cycle impact . Gross profit of this quarter amounted to Baht

31 Mar 17 Return on Equity (%) 16.5% 18.9% Return on Assets (%) 12.7% 14.4% Collection period (days) 78 79 Inventory Days 46 44 Account Payable Days 91 101 Cash Cycle (days) 33 22 Leverage & Financial

 to make sure that the personal data management is compliance with PDPA by creating Data Governance Policy and Guidelines for personal data protection management throughout the data life cycle

size is equivalent to or more than 15% but less than 50% when evaluating the item size conforming to the criteria of total asset value of return. It is 3.99% of total assets of company’s of the

disposition”); the item size is equivalent to or more than 15% but less than 50% when evaluating the item size conforming to the criteria of total asset value of return. It is 3.99% of total assets of company’s

agreements of Riau Combined-Cycle Power Plant Project in the Republic of Indonesia On March 20, 2019, PT Medco Ratch Power Riau, an indirect joint venture that the Company held a 49 percent stake through RH

financial statement of the Company ending 31 December 2019 Page 6 of 7 8. Rationale and benefits Best position to lead in the 5G technology cycle This spectrum acquisition marks an important execution for AIS