the company has used the part of expenditures is not over 1 million baht for calculating of consent. Signature…………........……………………….Authorized director (Mr.Surin Tohtubtiang) Position Chief Executive

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

Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the 1st Quarter ended March 31, 2018 that total revenue was THB8.24 million decreased

equivalent to 21.5% increase when compared to the same period last year. Ms. Siriwan Chamnannarongsak Finance Director

Intaranukulkij Managing Director

หน้า 1 จาก 1 Translation February 22, 2019 Subject: Management explanation and analysis for Year ended 31 December 2018 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

. Siriwan Chamnannarongsak Finance Director

in term of percentage of revenues which was 0.58% in Q3/2018 to 0.44% in Q3/2019. Please be informed accordingly, Sincerely yours, Chaiyan Chakarakul Managing Director Lalin Property Public Co., Ltd.

, (Mr. Wichai Intaranukulkij) Managing Director

(Translation) IR 003/20 February 28, 2020 President and Director The Stock Exchange of Thailand Subject : To explain the