Certification of audit firm leader Date……..Month………….Year………… Dear Secretary – General of the Securities and Exchange Commission I, Mr./Mrs./Miss………………………………………………….… (leader’s name), the leader of

all android handsets, to exhibit leadership in 4G. Handset subsidies remained stable and more targeted; however, the competition in fixed- speed unlimited plans has challenged an ability to increase

% respectively, while international business grew at 7.3% at constant FX. Q4’19 Revenue from sales were at THB 6,621 million (+4.6% YoY). - Fit Fast Firm project (OSP’s cost saving program) successfully delivered

was still maintained at around Bt600 but with a speed range scaled up to 30-50Mbps, while the 100Mbps package is now accessible at below Bt1,000. 1Q18 Operational Summary In 1Q18, total mobile

and Kinpo Shareholding after injection Each 46.61% shareholding owned by Company and Kinpo Paid-up capital before injection NTD 600M (or equivalent Baht 660,960,000) Paid-up capital after injection NTD

6 months of this year. This caused most developers to delay launching new housing projects as well as speed up the sale of housing inventory. Unavoidably, these created price competitiveness among the

developers adopted a price war to speed up their sales. This caused MK’s gross margin to decline from its normal level by 3%. However, at the end of the second quarter, MK could generate sales, from both pre

Industry and Be a Firm and Fair Regulator ● Proposed Changes of the Structure of the SEC ● Procedures for Issuing Rules and Regulations Governing the Capital Market ● Roles of the SEC as Law Enforcement

shareholders or top executives. It also revealed instances where some companies took advantage of unclear interpretation of accounting principles to dress up their financial statements. We cooperated with the

margin of 34.7% reported in 2018. MK’s gross profit margin was also impacted by the economic slowdown. This caused most developers to delay launching new housing projects as well as speed up the sale of