February 27, 2019 Subject : Management Discussion and Analysis for year and 4th quarter ended December 31, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1

May 12, 2018 Subject : Management Discussion and Analysis for quarter ended March 31, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance . Revenues (Thousands Baht

Page 1 of 2 No. ACC6108/02 August 14, 2018 Subject: Explanation of Financial Performance for the Quarter 2/2018 ended June 30, 2018 To: President, The Stock Exchange of Thailand According to the

Exchange of Thailand The operating performance for three-month period ended 31 March 2017 of Mahachai Hospital Public Company Limited was highlighted as follow: Company performance for three-month period

At Hor-For 0126/2550 November 7th, 2017 At Hor-For 0133/2560 Subject Notification of the performance of 3rd quarter ended September 30, 2017 Attn Directors and Manager, The Stock Exchange of Thailand

At Hor-For 0126/2550 February 23th, 2018 At Hor-For 0020/2561 Subject Notification of the performance of 2017 Attn Directors and Manager, The Stock Exchange of Thailand We, Hwa Fong Rubber (Thailand

Announcement of 2006 Public Holidays HPIR /015 August 13, 2019 Subject : Management Discussion and Analysis of the operating performance for the 2st quarter of 2019 Attention : The President of the

Thailand The operating performance for three-month period ended 31 March 2018 of Mahachai Hospital Public Company Limited was highlighted as follow: Company performance for three-month period ended 31 March

Announcement of 2006 Public Holidays HPIR -022/2562 November 13, 2019 Subject : Management Discussion and Analysis of the operating performance for the 3rd quarter of 2019 Attention : The President

Announcement of 2006 Public Holidays HPIR -009/2020 February 28, 2020 Subject : Management Discussion and Analysis of the operating performance for the year of 2019 Attention : The President of the