three -month period ended March 31, 2020 Attention: President The Stock Exchange of Thailand Further to our submission of the report and the financial statements for the three-month period ended March 31

AC 52/07-003 ACC1/20-030 May 11, 2020 Subject: Management Discussion and Analysis Quarter 1 Ending March 31, 2020 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

Stock Exchange of Thailand The operating performance for three-month period end of 31 March 2020 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit

Stock Exchange of Thailand The operating performance for three-month period end of 30 June 2020 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net loss amounting

28th February 2020, Management Discussion and Analysis Attention: President of the Stock Exchange of Thailand, Eason Paint Public Company Limited (EASON) reported the Statement of Comprehensive

Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating performance

Stock Exchange of Thailand The operating performance for year end 31 December 2019 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit amounting to Baht

Market Supervisory Board No. ThorJor. And announcing the marketing committee The Stock Exchange of Thailand Re: Disclosure of Information and Actions Of the listed companies in the connected transaction

Stock Exchange of Thailand Re: Disclosure of Information and Actions Of the listed companies in the connected transaction 2003 (including Amendment) Investment in the said project Is considered a

หนา้ 1 จาก 1 Translation May 13, 2020 Subject: Management explanation and analysis for Year ended 31 March 2020 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public Company