.) 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

impairment loss in debt securities which Innotech invested in WCI Holding Co., Ltd. of Baht 105.00 million. Please kindly be informed accordingly. Yours sincerely, (Mr. Chaipatr Srivisarvacha) Chief Executive

the shareholders’ meeting. The company hereby reports to the SET accordingly. Sincerely yours, Boondee Amnuayskul (Mr.Boondee Amnuayskul) Chief Executive Officer and Managing Director