amount of Baht 3.43 million due to the tax effects on timing difference of taxable income and expenses. Please be informed accordingly. Yours sincerely (Mr. Wichai Intaranukulkij) Managing Director

Translation - 2 - The company hereby reports to the SET accordingly. Sincerely yours, Boondee Amnuayskul (Mr. Boondee Amnuayskul) Chief Executive Officer and Managing Director

หนา้ 1 จาก 1 Translation August 13, 2020 Subject: Management explanation and analysis for Year ended 30 June 2020 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

Microsoft Word - ชี้แจงเกิน20% Q4'62-EN Date : February 28, 2020 Subject : The Explanation to SET concerning the operating result for the year 2019 more than 20% Attention : The Director and Manager

performance in this period. Please be informed accordingly. Sincerely Yours, - SOMKIAT VONGSAROJANA – (Mr. Somkiat Vongsarojana) Managing Director

(Translation) (Translation) IR 014/19 November 12, 2019 President and Director The Stock Exchange of Thailand Subject : To explain the reasons on the company’s net profit (net loss) more than 20

share of my audit clients or its related entities; 2. My immediate family members, including spouse and children, and I are not director, executive or representative of my audit clients or its related

spouse and minor children, and I do not hold any share of my audit clients or its related entities; 2. My immediate family members, including spouse and children, and I are not director, executive or

US dollars. And the cost is reduced as stated above. Please be informed Yours sincerely, (Ms. Sineemas Sotpiparpnukul) Chief Executive Officer Authorized Director

Director