หน้า 1 จาก 1 Translation February 19, 2020 Subject: Management explanation and analysis for Year ended 31 December 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

proper product management and effective resulting in reduced cost of sales. Yours Sincerely, Mr. Perapol Suwannapasri Managing Director

MATI 03/2563 February 28, 2020 Subject Report on Year End Period Consolidated Financial Statement which ended on December 31, 2019 To Director and Manager The Stock Exchange of Thailand Matichon

the period amounting to Baht 12.03 million, a decrease of Baht 3.05 million or equivalent to 20.24%, due to the following significant factors: Net investment income, gains (losses) on investments, fair

expansion of subsidiaries, staff cost and expenses of hospital quality improvement. Please be informed accordingly. Sincerely yours, (Mr Pongpat Patanavanich) Managing Director

The Results of the Comsolidated Financial Statements Clarification on Percentage of Change More Than 20% The consolidated financial statements of Nation Broadcasting Corporation Public Company

and gain on investment (minus fair value losse) totally increased by 26.5 million Baht partly due to the fact that the Company won savings lottery issued by Bank for Agriculture and Agricultural Co

be inform accordingly, (Mr. Chaiyasit Samrittivanicha) Managing Director Q2/2016 Q1/2017 Q2/2017 Total Revenue (Million Baht) 217.56 218.95 204.10 Gross Profit Margin (%) 18.05 13.09 8.86 Net Profit

company will continue to seek stability, safety and consider to all interested persons. Sincerely Yours, Mr.Thakoon Boonparn Managing Director

จดหมายชี้แจงq260e August 15, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2017 Summary on Second Quarter