entitled to the right to attend the Extraordinary General Meeting of Shareholders No. 1/2019 (Record Date) To: Director and Manager The Stock Exchange of Thailand Reference is made to the notification which

Stock Exchange of Thailand Union Pioneer Public Company Limited would like to clarify the net profit for the 2nd quarter and 6-month periods of the year ending on 30th June 2019 had decreased more than 20

the Stock Exchange of Thailand Union Pioneer Public Company Limited would like to clarify the net profit for the 2nd quarter and 6-month periods of the year ending on 30th June 2019 had decreased more

(Translation) CS 0297/2019 August 13, 2019 Subject: Connected transaction : Renewal of a hotel management advisor agreement Attn: President The Stock Exchange of Thailand With reference to the Board

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

comparing to last year. For your consideration to the members of The Stock Exchange of Thailand and those interested to be informed accordingly would be appreciated. Yours faithfulkly, -Signature- (Mr

1 / 2 IR.009/2018 14 May 2018 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand We, T Engineering Corporation Public Company Limited (the

ที่ กตพ Ref. DBP. 080 / 2018 May 31, 2018 Subject : Connected Transaction in Respect of Office Lease Agreement Extension To : President The Stock Exchange of Thailand Diamond Building Products Public

and Managers The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.5/2018 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 7

of shareholding proportion by buying of 23% newly issued common shares of Ekachai International Co., Ltd., which is Ekachai Medical Care PCL. subsidiary. To : Directors and Manager The Stock Exchange