gain of Baht 3.02 million. The company hereby reports to the SET accordingly. Sincerely yours, Boondee Amnuayskul (Mr. Boondee Amnuayskul) Chief Executive Officer and Managing Director Translation

Translation November 10, 2017 Subject: Management explanation and analysis for Quarter ended 30 September 2017 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public Company

policies with acceptable risks. This information is provided for notification to the SET and for disclosure to investors. Yours sincerely, (Mr. Somboon Fusriboon) Managing Director /home/nsi/Desktop/นนนำสส่ง

จดหมายชี้แจงq360e November 14, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2017 Summary on third Quarter

notification to the SET and for disclosure to investors. Yours sincerely, (Mr. Somboon Fusriboon) Managing Director

per share dropped from 10.13 baht to 7.74 baht. Please be informed accordingly. Yours sincerely, Araya Tejanant Managing Director

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