mention must have authorized from board of the company and publish to the Stock Exchange of Thailand. This is in accordance with the Notification of the Board of the Stock Exchange of Thailand. Disclosure

directors authorized to sign and bind the Company, namely, Mr. Suntorn Jantranusorn, Mrs. Boonrueang Jantranusorn and Mrs. Panida Laorsuwan, who have no relationship with the Buyer and the Company, and are

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

increased. Sincerely Yours, (Mr.Wichian Silapacharanan) Deputy Managing Director Authorized to sign on behalf of the company 5 Investor Relations Department Tel: 0-2531-6633, 0-2993-5080-7 ext. 403, 401

be authorized to perform any actions related to the disposal of Land and Buildings to NML, including to sign and negotiate terms and other details in land and buildings sale and purchase agreement

Gumchai Director and The Company’s Secretary Authorized sign on behalf of the Company

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

6.22 percent of authorized and paid-up share capital as at 3 December 2018. 5. Source of Fund Operating cash flow of the company and shall not impact core business operation. 6. Interested Director The

accordingly Yours respectfully, …………………………………………. (Associate Prof. Dr. Chirasak Chiyachantans) Authorized person for disclosure of information N Hospital Co.,Ltd 33.33% 19.48 % 8.62 % 38.56 % Information

, …………………………………………. (Associate Prof. Dr. Chirasak Chiyachantans) Authorized person for disclosure of information N Hospital Co.,Ltd 33.33% 19.49 % 8.62 % 38.56 % Information Memorandum 1. Timing of the transaction and the