Microsoft Word - MD&A FY17 EN (1) February 26, 2018 To President, The Stock Exchange of Thailand Subject Notification on the difference of revenue from sales and net profit YOY by more than 20

President The Stock Exchange of Thailand Rajthanee Hospital Public Company Limited (“the Company”) would like to clarify the operating results of the Company and its subsidiaries for the 2nd quarter of 2018

(Translation) NEP-AC 003/2561 8 November 2018 Subject : Management Discussion and Analysis for 3rd Quarter ended 30 September 2018 To : The President The Stock Exchange of Thailand Operating Result

Page 1 of 4 No. RJH – SET 10/2018 12 November 2018 Subject : Management Discussion and Analysis for the 3rd quarter of 2018 ending September 30, 2018 To : The President The Stock Exchange of Thailand

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 11 August 2017 Re: To clarify the financial statements as of 30 June 2017 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

654 3323 No. PACE 201711/01 Date: 14 November 2017 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

654 3323 No. PACE IR2018/007 Date: 9 February 2018 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 9 May 2019 Re: To clarify the financial statements as of 31 March 2019 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

growth in domestic market at 3.4%, was due to last year forward stock into Q1’18 to prepare for the company name change from private to public company. Joint-scheme with BNK 48 helped uplifting Twelve Plus

at the end of Q4/2019, thus the Company expects gross profit margin from sales to get back to a normal level in Q1/2020. • In Q4/2018, there were one-time reversal expenses of Baht 83.9 million from