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

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

sales of 2,811.00 million baht (equivalent to 87.30 percent when compared to sales), net profit of 36.77 million baht. Compared to the same period of 2017, had sales revenue of 3,038.73 million baht, cost

of 733.58 million baht, cost of sales of 623.87 million baht (equivalent to 85.04 percent when compared to sales), net profit of 17.52 million baht. Compared to the same period of 2018, had sales

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

, in order to disclose as the information to the investor and public. Consolidated Operating Results for Quarter 1/2018, the company reported a net profit of Baht 27.92 million, compared to the same

จดหมายชี้แจงq261e August 14, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2018 Summary on Second Quarter

Company had total revenues of Baht 2,432.43 million. Cost of sales was Baht 2,122.18 million (87.25% of sales). Operating result Net profit 37.55 Cost of sales was Baht 1,902.36 million (83.77% of sales

writer Ref. No. 158/2562 November 13, 2019 SUBJECT : Management Discussion and Analysis ending September 30, 2019 ATTN : The President Stock Exchange of Thailand The Company realized profit for the

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