May 12, 2022 Subject: Management’s Discussion and Analysis for 1st quarter of 2022 ended as of March 31, 2022 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (“the

November 13, 2017 The President & Director, The Stock Exchange of Thailand (SET) LETTER OF CLARIFICTION: CENTEL’s Q3/2017 & YTD 9 MONTHS /2017 OPERATING PERFORMANCE RESULTS This is to inform the SET

as of 31 March 2018. Total current assets were THB 7,582mn, increasing by 104.6% or THB 3,877mn, primarily from 1) an increase in cash & cash equivalents and short-term investments of THB 3,320mn, due

the year period ended December 31, 2019 To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited ("the Company") would like to report the information according to the

Company’s land (additional disclosure) To: The President The Stock Exchange of Thailand The Board of directors meeting # 8/2019 held on June 4, 2019 has a resolution to sell a piece of land to increase

Manager The Stock Exchange of Thailand The Board of Directors Meeting of O.C.C. Public Company Limited No. 5/2561 held on October 17, 2018 had resolved to approve the purchase of ordinary shares of Shop

1 Ref: CK-20-0000-AFD(AC)-L-0042 August 14, 2020 Subject: Clarification on Operating Result and Financial Position for the six-month period ended June 30, 2020 Attention: President The Stock Exchange

pushing biodiesel B10 to be the mandatory diesel in 2020 that lead to sharply rise in crude palm oil ( CPO) and crude palm kernel oil (CPKO) prices at the end of 2019. Since early 2019, the stock of crude

amended) and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed Companies Concerning the Acquisition and Disposition of

received the Top Innovative Organization Award 2018, which was arranged by National Innovation Agency (Public Organization), The Stock Exchange of Thailand (SET), Market for Alternative Investment (MAI) and