Chief Executive Officer M Vision Public Company Limited

informed for your acknowledgement. Sincerely Yours, (Mr. Suphot Wanna) Chief Executive Officer

.) Chief Executive Officer Revenue Structure Q2/2018 Q2/2017 Difference Cash-Base Revenue (Walk-In) 670.7 501.0 169.7 33.9% Social Security Scheme Revenue 413.3 299.0 114.3 38.2% Universal Coverage Revenue

same period of last year. Please be informed accordingly. Yours sincerely, (Dr. Ungoon Chantanavich) Chief Executive Officer

. Sincerely yours, (Mr. Tradsin Chongussayakul) Chief Executive Officer and Acting Managing Director T Engineering Corporation Public Company Limited

19.20% and 17.56% respectively. Yours sincerely, (Mr. Chuangchai Nawongs) Chief Executive Officer and President            

kindly be informed accordingly. Yours sincerely, (Mr. Chaipatr Srivisarvacha) Chief Executive Officer

) and Interest Bearing Debt to Equity Ratio represented at 1.68 and 1.49, respectively. Yours faithfully, Mr.Chamroon Chinthammit Chief Executive Officer and President Khon Kaen Sugar Industry Public

Chief Executive Officer Authorized Signatory (Translation) — 1 — Enclosure 1 Summary of Adjustment of the Exercise Ratio by adjusting Number of ORI-W1 Reference is made to the issuance of 406,573,990

, WIIK & HOEGLUND PUBLIC CO., LTD. Mr. Wiboon Sangwithayanon Chief Executive Officer