Limited (Mr. Wiroj Bunsirirungruang) Senior Executive Vice President, and Company Secretary

แบบแสดงราการข้อมูลประจำปี (UNOFFICIAL TRANSLATION) (Updated 2015) PAGE 4. Certification of Leader of Audit Firm Date ........ Month ............ Year.......... To: Secretary-General Office of the

(UNOFFICIAL TRANSLATION) (Updated 2015) 4. Certification of Leader of Audit Firm Date ........ Month ............ Year.......... To: Secretary-General Office of the Securities and Exchange Commission

the procedures prescribed on the SEC website. Clause 5 This Notification shall come into force as from 1 February 2017. Notified this 29th day of December 2016. (Mr. Rapee Sucharitakul) Secretary

2016. (Mr. Rapee Sucharitakul) Secretary-General Office of the Securities and Exchange Commission

Sucharitakul) Secretary-General Office of the Securities and Exchange Commission

as from 16 August 2005. Notified this 28th day of July 2005. Thirachai Phuvanatnaranubala (Mr. Thirachai Phuvanatnaranubala) Secretary-General The Office of the Securities and Exchange Commission.

. Notified this 31st day of August 2007. (Mr. Thirachai Phuvanatnaranubala) Secretary-General The Office of the Securities and Exchange Commission

. (Thirachai Phuvanatnaranubala) Secretary-General Office of the Securities and Exchange Commission __________________________________________________________________ Remark: The rationale for issuing this

market to encourage SMEs to raise funds investors, and a talk about four aspects of knowledge about digital assets , a new subject receiving interest from the public. SEC Assistant Secretary-General