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

has decreased And the market situation is highly competitive Consumers have changed their purchasing behavior. Yours Sincerely, Ms. Piyanan Suwannaphasri Assistant Managing Director Authorized to sign

previous year. Please be informed accordingly. Sincerely Yours, ( Mr. Nipon Leelasithorn ) Chairman of the Executive Director, and Managing Director

. Finance costs increased by Baht 2.95 million or 18.81 % due to the Investments in subsidiaries and the building expansion projects of the subsidiaries. Sincerely yours, (Mr.Pongpat Patanavanich) Managing

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

period of last year, it showed a loss of Baht 916.24 million. Signature___________________________ (Mr.Chatchai Pokogwai) Position Managing Director Authorized to sign on behalf of the company

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

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

for employee benefits of Baht 24.97 million in the consolidated financial statements. Sincerely yours, (Mr.Pongpat Patanavanich) Managing Director

operating loss of Baht 41.15 million. Compared to the same period of last year, it showed a loss of Baht 68.67 million. Signature___________________________ (Mr.Chatchai Pokogwai) Position Managing Director