14 August 2018 Subject: Management Discussion and Analysis for the Six-Month Period Ended June 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

14 November 2018 Subject: Management Discussion and Analysis for the Nine-Month Period Ended September 30, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public

Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No. 3/2020 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 13 May 2020

1 No. KK ELCID 2563/003 November 11, 2020 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2020 To: President The Stock Exchange of Thailand K&K Superstore

Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.3/2018 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 8 May 2018

30-E 1/1 RC 030/18 10 May 2018 Subject : Report on the Company’s operating results for the first quarter of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of

1/2 RC 040/17 9 August 2017 Subj. : Report on the Company’s operating results for the second quarter of the year 2017 To : President of the Stock Exchange of Thailand Encl. : 1) A copy of financial

MMS-AC60/038 8 November 2017 Subject : Clarification of the operating results for the third quarter of 2017, ending 30 September 2017 To: The President of the Stock Exchange of Thailand Matching

049-E 1/2 RC 049/17 10 November 2017 Subj. : Report on the Company’s operating results for the third quarter of the year 2017 To : President of the Stock Exchange of Thailand The Board of Directors

August 14, 2019 Subject : Management Discussion and Analysis for Six-month and 2nd quarter ended June 30, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1