Company Limited (Mr. Wiroj Bunsirirungruang) Senior Executive Vice President and Company Secretary

Registration No. 0107554000208 Tel. (66) 02-150-5988, (66) 0-3483-9130-1 Fax. (66) 02-150-5987, (66) 0-3483-9320 3 (Mrs. Prim Chaiyawat) Company’s Secretary

. - Signed - Yours sincerely, (Miss Thitapat Issarapornpat) Company Secretary

, Ekachai Medical Care PCL. (Dr. Amnaj Eur-Areemitr) Director Ms. Nichanun Lertpunyaphol Company Secretary Tel. 034417999 ext. 205 nichanun.le@ekachaihospital.com

Deputy to Chief Executive Officer – KTIS Group Company Secretary Telephone 02 693 2869 – 73 Ext. 175 Email: cs@ktisgroup.com

of directors. : None Please be informed accordingly. Sincerely yours Apinya Jarutrakulchai (Ms. Apinya Jarutrakulchai) Senior Executive Vice President Corporate Secretary Department Tel. 0-2677-7000

different from The Board of directors. : None Please be informed accordingly. Sincerely yours Apinya Jarutrakulchai (Ms. Apinya Jarutrakulchai) Senior Executive Vice President Corporate Secretary Department

Executive Vice President and Company Secretary

Viriya Ampornapakul) Company Secretary

from The Board of directors. : None Please be informed accordingly. Sincerely yours Apinya Jarutrakulchai (Ms. Apinya Jarutrakulchai) Senior Executive Vice President Corporate Secretary Department Tel. 0