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

At Hor-For 0126/2550 February 23th, 2018 At Hor-For 0020/2561 Subject Notification of the performance of 2017 Attn Directors and Manager, The Stock Exchange of Thailand We, Hwa Fong Rubber (Thailand

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

AC 52/07-003 ACC1/19-042 August 13, 2019 Subject: Management Discussion and Analysis Quarter 2 Ending June 30, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

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

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

จดหมายชี้แจงq361e November 12, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2018 Summary on Third Quarter

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

three -month period ended March 31, 2020 Attention: President The Stock Exchange of Thailand Further to our submission of the report and the financial statements for the three-month period ended March 31