sasipim Typewriter (ไม่เปิดเผย) sasipim Typewriter (ไม่เปิดเผย) sasipim Typewriter (ไม่เปิดเผย) 6. 1 - 39/2553 23 2553 8 1. 2. (Governance and Leadership) 3. (Relevant Ethical Requirements) 4

: Clause 1. The following Notifications shall be repealed: (1) Notification of the Securities and Exchange Commission Re: Requirements relating to Accounting of Securities Company dated 18 May 1992; (2

, precast concrete, special cement and architecture was increased. (2) Cost of sales The Company and its subsidiaries’ total cost of sales in the second quarter of 2018 was Baht 441.81 million, increased by

13.58% from the same period of previous year. This was due to decrease in the delivery of pre-stressed concrete piles, post-tensioned and special cement which was Baht 101.24 million. However, the

AQIs ) 1 % 2564 2563 1 (Leadership Responsibilities for Quality within the Firm) ( ) (1) 2 (Relevant Ethical Requirements) ( ) (3) 3 (Acceptance and Continuance of Client Relationships and Specific

2562 1 (Leadership Responsibilities for Quality within the Firm) ( ) (2) 2 (Relevant Ethical Requirements) ( ) ( ) 3 (Acceptance and Continuance of Client Relationships and Specific Engagements) (1) (3

Responsibilities for Quality within the Firm) ( ) (1) 2 (Relevant Ethical Requirements) ( ) (2) 3 (Acceptance and Continuance of Client Relationships and Specific Engagements) (1) (1) 4 (Human Resources) ( ) ( ) 5

and perform the auditing to provide opinion on the financial statements in compliance with the requirements of the law relating to auditors and additional requirements as specified in the notification

has been received from its clients; 4. I well acknowledge and understand the requirements in the Notification of the SEC Office regarding Approval of Auditors, and I am willing to comply with all

related Cooperation (“HK-TH MRF MoU”) on 20 January 2021. To ensure that business operators have the same understanding of the requirements under HK-TH MRF MoU, the SEC hereby would like to clarify the