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

Ref: SP 2020/008 Date : May 14, 2020 Subject : The Explanation to SET concerning the operating result for Q1/2020 more than 20% Attention : The Director and Manager of the Stock Exchange of Thailand

1 / 4 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS • Explanation and analysis of financial performance for the year ended 31 December 2019 • Explanation and

2024 annual compliance reports. In this front, reporting of any non-application or unfinished application of the recommended guidelines shall be accompanied by the explanation of the associated

already investigated TTA shareholding structure and request explanation from relevant persons. Under the SEC regulations, any person and persons hold or announce intention to hold at least 25% stake in TTA

management companies must provide explanation concerning the funds for investors? understanding and must also take necessary steps to ensure that investors learn of associated risks prior to making investment

Discussion and Analysis Quarter 3 Ending 30 Sep 2023 08/08/2023 20:39 Management Discussion and Analysis for the six-month period ended June 30, 2023 and clarification of the operating results changed over 20

19 เมษายน 2539 (TRANSLATION) Tor. For. 15 /2019 November 14, 2019 Subject : Submission of the Financial Statements for Q3/2019 and clarification on the Company’s Operating Results. To : President of

ชี้แจงผลQ3_60_en (Translation) August 15, 2017 Subject Clarification of performance difference of the 3rd quarter for the year 2017 from the same period of last year Attention The President The Stock

19 เมษายน 2539 (TRANSLATION) Tor. For. 7 / 2019 May 15, 2019 Subject : Submission of the Financial Statements for Q1/2019 and clarification on the Company’s Operating Results. To : President of the