yours, Boondee Amnuayskul (Mr. Boondee Amnuayskul) Chief Executive Officer and Managing Director

หน้า 1 จาก 1 Translation May 10, 2019 Subject: Management explanation and analysis for Quarter ended 31 March 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

จดหมายชี้แจงQ162e May 15, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for the three- month period ended 31 March 2019 Summary of the 1 st

period of last year, it showed a loss of Baht 916.24 million. Signature___________________________ (Mr.Chatchai Pokogwai) Position Managing Director Authorized to sign on behalf of the company

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

จดหมายชี้แจงq262e August 14, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2019 Summary on Second Quarter

operating loss of Baht 41.15 million. Compared to the same period of last year, it showed a loss of Baht 68.67 million. Signature___________________________ (Mr.Chatchai Pokogwai) Position Managing Director

mil. baht to 32.5 mil. baht. Earnings per share dropped from 2.74 baht to 1.82 baht. Please be informed accordingly. Yours sincerely, Araya Tejanant Managing Director

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

68.10 million. Compared to the same period of last year, it showed a loss of Baht 119.65 million. Signature___________________________ (Mr.Chatchai Pokogwai) Position Managing Director Authorized to sign