Ref. 0347/2018 Date August 14, 2018 Subject 20% Performance Growth in the second quarter of 2018 Attention: Directors and Managers The Stocks Exchange of Thailand QTC Energy Public Company Limited

MD&A Q.2'18EN 1 RP-AC 003/201 AUGUST 1, 201 Subject: Clarification of the operating results for the second quarter of 2018 To: Directors and Managers of the Stock Exchange of Thailand Richy Place

Managers The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.1/2019 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 20 February

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

RP-AC 001/2020 February 27, 2020 Subject Clarification of 2019 Operating Results To Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company Limited (RICHY) would like

1 RP-AC 002/2020 May 13, 2020 Subject: Clarification of the operating results for the first quarter of 2020 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

1 RP-AC 003/2019 AUGUST 13, 2019 Subject: Clarification of the operating results for the second quarter of 2019 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

1 RP-AC 004/2019 NOVEMBER 13, 2019 Subject: Clarification of the operating results for the third quarter of 2019 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

1 RP-AC 003/2020 AUGUST 14, 2020 Subject: Clarification of the operating results for the second quarter of 2020 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

RP-AC 001/2019 February 26, 2019 Subject Clarification of 2018 Operating Results To Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company Limited (RICHY) would like