หน้า 1 จาก 1 Translation May 8, 2018 Subject: Management explanation and analysis for Quarter ended 31 March 2018 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

same period of last year. This is the result from increasing in short term loans from financial institutions using for company’s working capital. Yours faithfully (Mr. Pert Leevilaikunratt) Company

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

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

million or 51.29% from the same period of last year. This is the result from increasing in short term loans from financial institutions using for company’s working capital. Yours faithfully (Mr. Pert

หน้า 1 จาก 1 Translation August 13, 2019 Subject: Management explanation and analysis for Quarter ended 30 June 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

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

total amount of 17.5 million baht, and the increasing of registered capital would be in accordance to current proportion. The transaction size is 1.32% calculated according to the acquisition of assets

Thailand. This transaction resulted in the total number of shares that the Company holds in MK increasing to 100,179,108 shares or 10.099% of the paid up capital of MK. The transaction size of this

Baht 3.81 million, increased Baht 1.44 Million or 60.7% when compared to the same period of 2016, due to increasing of the loan from financial institutions for working capital. Please be informed