ACC1/20-012 February 25, 2020 Subject: Management Discussion and Analysis for the year ended December 31, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

Translation November 10, 2017 Subject: Management explanation and analysis for Quarter ended 30 September 2017 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public Company

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

AC 52/07-003 ACC1/19-055 November 11, 2019 Subject: Management Discussion and Analysis Quarter 3 Ending September 30, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech

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

1 Forth Smart Service Public Company Limited (FSMART) 3Q18 Management Discussion and Analysis Operational Summary 9M18 Operational Summary  Total revenue from core business was Bt2,523mn, increasing

high net worth individual only. To widen investors? investment choices of increasing return or creating variety and complexity of investment strategy, the AI funds will be allowed to invest in

increasing 51.0% YoY. 2 Forth Smart Service Public Company Limited (FSMART) 2Q17 Management Discussion and Analysis Financial Summary Income Statement Income Statement 2Q16 1Q17 2Q17 %QoQ %YoY MB % MB % MB

1 - TRANSLATION - KT/PB (Q-Con) 012/2019 May 9, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2019

Baht 20.16 Million or 1.38% when compare to the same period of 2019, due to the increasing of the quantity of Sales. 2. Cost of Sales was Baht 1,284.25 million, decreased 4.66% when compare to the same