: The Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the 2nd Quarter ended June 30, 2017 that total revenue was THB7.03 million

Ref.No.IVL001/10/2017 3rd October 2017 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of the Tire Cord business of DuraFiber Mexico and setting up of a new indirect

To: The Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the 3rd Quarter ended September 30, 2017 that total revenue was THB25.86

No UN/SET/HO/A61/011503 15th January 2018 Subject: Clarification of the Connected Transaction in the company’s asset disposal Attention: President of the Stock Exchange of Thailand Unique Engineering

Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the year ended December 31, 2017 that total revenue was THB84.90 million increased by

หนา้ 1/1 NO. FA61-1201 28 February 2019 Subject : Management Discussion and Analysis of operating performance for the year 2018 Attention : President of the Stock Exchange of Thailand JCK Hospitality

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

: The Director and Manager The Stock Exchange of Thailand The Company would like to report the operating results for the 2nd Quarter ended June 30, 2018 that total revenue was at THB8.94 million

หนา้ 1/1 (Translation) Ref. JCKH 024/2561 14 August 2018 Subject: Management Discussion and Analysis for the Quarter 2/2018 To: The President The Stock Exchange of Thailand CC: The Secretary General

หน้า 1 จาก 1 Translation November 12, 2018 Subject: Management explanation and analysis for Quarter ended 30 September 2018 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe