SBN 007/2019 May 14, 2019 Subject : Operating Result for the first quarter of 2019 To : The Managing Director, The Stock Exchange of Thailand Sabina Public Co.,Ltd. Would like to clarify the

1/3 REF: SET-2018-018 November 14, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 4/2018 To President The Stock Exchange of Thailand Filter Vision Public Company Limited

Assets (revised) To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company”) No.8/2019 Held on November 14, 2019 at 14.00

Assets N Hospital Company Limited with additional 16.67 percent To : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of World Corporation Public Company Limited (“the Company

ที่ กม Translation No. Gor.Mor. 42/2560 October 10, 2017 President The Stock Exchange of Thailand Dear Madam, Approval for Buying Land for Investment Purposes The Board Meeting of O.C.C. Public

capital To: President The Stock Exchange of Thailand The Extraordinary General Meeting of WCI Holding Public Company Limited (“WCIH”), subsidiary company of E for L Aim Public Company Limited (“EFORL”), no

given or received. The size of the transaction is below 15 percents and there is no newly issued share of in return of payment. However the company will report the transaction to the Stock Exchange of

\(Microsoft Word - 7 \\301\\244.61 _Eng_.doc\) January 7 th , 2019 To : Managing Director The Stock Exchange of Thailand Re : The acquisition of investment in Vientiane International Hospital Co.,Ltd

received. The size of the transaction is below 15 percents and there is no newly issued share of in return of payment. However the company will report the transaction to the Stock Exchange of Thailand. 8

August 30th, 2019 To : Managing Director The Stock Exchange of Thailand Re : The acquisition of investment in Nan-Ram Hospital Co.,Ltd. The board of directors of Ramkhamhaeng Public Co.,Ltd. held on