) November 14, 2018 Re : Report the operating result for the year ended September 30 ,2018 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors

MDA Q2_2017 (Eng.) August 10, 2017 Subject : Interim Management Discussion and Analysis of Q2/2017 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

MDA 2017 (Eng.) February 20, 2018 Subject : Yearly Management Discussion and Analysis of 2017 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements of

MDA Q3_2018 (Eng.) November 7, 2018 Subject : Interim Management Discussion and Analysis of Q3/2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

Translation August 9, 2017 Subject: Management explanation and analysis for Quarter ended 30 June 2017 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public Company Limited

หน้า 1 จาก 1 Translation August 8, 2018 Subject: Management explanation and analysis for Quarter ended 30 June 2018 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

inventory stock. There were current liability amount 179.80 Million Baht decreased from the year 2016 amount 23.04 Million Baht. Because of short term loan decreasing 40 Million Baht and increased 16.84

gas selling system, gas packaging tanks purchasing system and small-sized gas cylinders quantity control system, inability to audit outstanding balance of petroleum gas stock inventory, gas tanks

ที่ กตพ Ref. DBP. 108 / 2019 August 13, 2019 Subject : Clarification on Operating Results for the 2nd quarter and 6-month Period ending June 30, 2019 To : President The Stock Exchange of Thailand

Ref. DBP. 153 / 2019 November 11, 2019 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2019 To : President The Stock Exchange of Thailand