UNOFFICIAL TRANSLATION Certification and Consensus of Audit Firm Date ........ Month ....................... Year ............... Dear Secretary-General of the Office of the Securities and Exchange

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

แบบแสดงราการข้อมูลประจำปี UNOFFICIAL TRANSLATION Notification of the Change of Audit Firm Date ....... Month ............ Year ....…. Dear Secretary-General of the Office of the Securities and

firm” means a company that has obtained a license to operate business concerning securities brokerage; “registration statement” means a registration statement for the offering of units of foreign

1 2Q19 MD&A Advanced Info Service Plc. Executive Summary Competition in mobile saw an improvement In 2Q19 the price competition in mobile industry had improved with fixed speed unlimited data pricing

แบบแสดงราการข้อมูลประจำปี (UNOFFICIAL TRANSLATION) (Revision 2015) 8. Audit Firm Profile and Details Name of Audit Firm................................. For the year ending

แบบแสดงราการข้อมูลประจำปี (UNOFFICIAL TRANSLATION) (Updated 2015) 5. Submission Letter of Evidentiary Documentation of Audit Firm Date ........ Month ............. Year.......... To: Secretary

……................ working for ……..(NAME OF AUDIT FIRM)......, wish to apply for an approval of the SEC Office to be an auditor of businesses under the Securities and Exchange Act B.E. 2535 (1992) and the Trust for

operators retained higher price point for unlimited data plan which had been raised since 2Q20. However, overall pricing environment was still challenging to uplift ARPU as customers affected by sluggish

-border gateway for other e-wallets. Revenue continued pressured by unlimited plans Mobile revenue in 3Q18 remained softened from the customer’s subscription of fixed-speed unlimited plans, resulting in