: Operational Control and Security of the Information Technology of Securities Company For the purpose of rendering the securities companies to efficiently comply with the Notification of the Office of Securities

entity or natural person, as well as the nature of such control. To the extent known to the issuer, indicate whether the issuer is directly or indirectly owned or controlled by another corporation, by any

29 percent of shares of NYKT (“NYKT Shares”) from Artlion Development Limited (“ArtLion”) which is a subsidiary of and under the control of NYK Group. The purchase of NYKT Shares is regarded as a

are clearly defined in conformity with the good internal control principle. We also emphasize thorough, accurate and regular disclosures on risk, capital and liquidity management to the public. 3

process of rectifying its financial statements or reports required to be prepared under Section 56 or Section 57 or as ordered by the SEC Office or the Exchange; (d) have an ongoing obligation to comply

person, as well as the nature of such control. To the extent known to the issuer, indicate whether the issuer is directly or indirectly owned or controlled by another corporation, by any foreign government

to an inventory gain of THB 856 million. However, there was a loss from crude and product oil price hedging contract at THB 75 million. Furthermore, the refinery planned to manage the stocks of

million or 2% from Q1/2020 • However, EBITDA margin in Q1/2021 was 31.5%, increased by 5.1% from Q1/2020 as a result of the effective control of selling and administrative expenses under the implementation

Department of Special Investigation (DSI), and the Narcotics Control Board (NCB), etc. In the case that no wrongdoing is detected, the SEC Office will not store such data. Data for authentication from the

acquiring a good quality of bad debt to manage to bring a good return for its shareholders in future and be a No.1 in Private Company Debt Management in Thailand   Management Discussion and Analysis of FS2018