. 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

Pongpat Patanavanich) Managing Director

AC 52/07-003 ACC1/19-019 May 13, 2019 Subject: Management Discussion and Analysis Quarter 1 Ending March 31, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

0.47% in 2017 and was at 0.29% in 2016. Please be informed accordingly, Sincerely yours, Chaiyan Chakarakul Managing Director Lalin Property Public Co., Ltd.

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

Our Ref : No.V 009 /2018 February 26,2019 Subject : Explanation for operation of the year 2018 Attn : Managing Director The Stock Exchange of Thailand Varopakorn Public Company Limited would like to

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

Our Ref: No.V. 019/2018 May 15,2018 Subject : Explanation for operation of first quarter of year 2018 Attn : Managing Director The Stock Exchange of Thailand Enclosed please find the financial

Microsoft Word - Operating Result for the third quarter of 2017.doc SBN 025/2017 November 13, 2017 Subject : Operating Result for the third quarter of 2017 To : The Managing Director, the Stock

Microsoft Word - Operating Result for the first quarter of 2018.doc SBN 008/2018 May 14, 2018 Subject : Operating Result for the first quarter of 2018 To : The Managing Director, the Stock Exchange