หน้า 1 จาก 1 Translation August 13, 2019 Subject: Management explanation and analysis for Quarter ended 30 June 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

Manager The Stock Exchange of Thailand The operating performance for three-month period end 30 June 2019 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit

developing new platforms, have significant effects on the company’s income structure especially advertising revenue. However, our company isn’t rely on only this particular income. There are other channels

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

reduce of service fee income received for income from Road Accident Victims Protection Company Limited. Kindly be informed accordingly. Yours sincerely Wichai Intaranukulkij Managing Director

new platforms, have significant effects on the company’s income structure revenue. However, our company isn’t rely on only this particular income. There are other channels, such as organizing seminars

หนา้ 1 จาก 1 Translation November 13, 2019 Subject: Management explanation and analysis for Quarter ended 30 September 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe

expansion projects of the subsidiaries. 4.Share of profit on investment in associated company decreased by Baht 3.25 million or 30.63% Sincerely yours, (Mr.Pongpat Patanavanich) Managing Director

rates decreased. 4. Share of profit on investment in associated company decreased by Baht 1.67 million or 14.85% . Sincerely yours, (Mr.Pongpat Patanavanich) Managing Director

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