Board hereby issues the following regulations: Clause 1 This Notification shall come into force as from 1 July 2017. Chapter 1 General Provisions Part 1 Objectives of the Supervision of Derivatives

Securities and Exchange Act B.E. 2535 (1992), the Securities and Exchange Commission hereby issues the following regulations: Clause 1 The following notifications shall be repealed: (1) Notification of the

and Exchange Commission hereby issues the following regulations: Clause 1 . This Notification shall come into force as from 1 January 2010. Clause 2 . In this Notification: (1) The term “Executive

Thailand so permit by virtue of law, the Securities and Exchange Commission hereby issues the following regulations: Clause 1. This Notification shall come into force as from 16 November, 2008. Clause 2. In

September 2013, the SEC Office hereby issues the following regulations: Clause 1 This Notification shall come into force as from 1 October 2015. Clause 2 The following Notifications shall be repealed: (1

เจา้ขอรับรองว่า ขอ้มูลท่ีรายงานขา้งตน้น้ีครบถว้นและเป็นความจริงทุกประการ I hereby certify that the above report is complete and true in all respects. ช่ือบุคคลท่ีไดรั้บมอบหมายให้ติดต่อกบั ก.ล.ต. (ถา้มี

Controlling Power To prepare the consolidated financial statements Per the investment proportion The Company hereby informs you that the consideration and approval of the investment in S-TREK ordinary shares in

, hereby report the resolutions of the Board of Directors' meeting No. 8/ 2017, held on 21 September 2017 at 1.00 p.m. relating to the capital increase and the share allocation as follows: 1. Capital

Execution of Connected Transaction on Disposal of Investment in SUT Global Co., Ltd. Hydrotek Public Company Limited ( the “Company”) hereby informs that the Board of Directors’ Meeting No. 9/2019, held on

Assets and Execution of Connected Transaction on Disposal of Investment in SUT Global Co., Ltd. Hydrotek Public Company Limited ( the “Company”) hereby informs that the Board of Directors’ Meeting No. 9