in blue. No. ORI 48/2017 31 July 2017 Subject: The Disposal of Asset of the Company Attention: President Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Disposal of Asset of the

the Stock Exchange of Thailand ( “ SET” ) immediately and submit the information; with the minimum requirement according to List (1) of the Notification concerning acquisition or disposal of assets, to

result, the Company is required to disclose the information memorandum on entering into such transaction to the Stock Exchange of Thailand (the “SET”) and to send a circular letter to the shareholders of

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

Ref: FASET 01/2562 February 26, 2019 Subject: Report the operating result for the year ended December 31, 2018 To: President of the Stock Exchange of Thailand Seamico Securities Public Company

I - Translation - Ref : LPH/SET 2020/004 February 25, 2020 Subject : Clarification on the Operating Results for Year 2019 period ended December 31, 2019 To : President The Stock Exchange of Thailand

and Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No. 1/2020 of Wattanapat Hospital Trang Public Company Limited (“the Company”) held on 20

The Stock Exchange of Thailand The Board of Directors Meeting of O.C.C. Public Company Limited No. 5/2560 held on August 8, 2017 had resolved to approve investment in capital increase shares of

15 August 2017 Subject: Management Discussion and Analysis for the 6-Month Period Ended June 30, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company

2016. To : The director of the Stock Exchange of Thailand Ramkhamhaeng Hospital Public Company Limited would like to clarify the operation results, as follows: 1. Ramkhamhaeng Hospital Public Company