The Board of Directors is responsible for the separate financial statements and consolidated financial statements of TSTE Public Company Limited and its subsidiaries which are prepared following financial reporting standards. It has been considered to choose the accounting policy, appropriate and consistent practice, and uses careful judgment and reasonable estimation principles, and carefully, including adequate and transparent disclosure of important information in the notes to the financial statements. The separate financial statements and consolidated financial statements have been audited and given an unqualified opinion from the auditor’s independent license.

The Board of Directors has established and maintained a risk management and internal control system to ensure that accounting records are recorded accurately, completely, timely and sufficient to maintain assets as well as to prevent significant corruption or unusual operations. The Board of Directors has appointed the Audit Committee, which is consists of independent directors who are responsible for overseeing and reviewing the separate and consolidated financial statements, including evaluating the efficiency and effectiveness of the internal control system and internal auditing. The opinions of the Audit Committee appear in the Board of Directors’ report. Members of the Audit Committee, which has been shown in this annual report.

The Board of Directors believes that the Company’s internal control and internal audit system can ensure that the separate and consolidated financial statements of TSTE Public Company Limited and Subsidiaries presented for the year ended December 31, 2022, presenting accurate financial position, operating results and cash flows under generally accepted accounting principles…