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

. Faithfully yours, Boondee Amnuayskul (Mr. Boondee Amnuayskul) Chief Executive Officer and Managing Director

acknowledgement. Sincerely Yours, - Singed – (Mr. Suphot Wanna) Chief Executive Officer Investor Relation Department JAS Asset Public Company Limited

. Yours sincerely, (Assoc.Prof. Chalerm Harnphanich M.D., Hon.D.) Chief Executive Officer Revenue Structure Q3/2018 Q3/2017 Difference Cash-Base Revenue (Walk-In) 820.9 577.1 243.8 42.2% Social Security

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

have any material impact to the financial statements. Please be informed accordingly. Sincerely yours, (Mr. Tradsin Chongussayakul) Chief Executive Officer and Acting Managing Director T Engineering

Chief Executive Officer Authorized Signatory (Translation) — 1 — Enclosure 1 The amended contents are written and underlined in blue. Summary of Adjustment of the Exercise Ratio by adjusting Number of ORI