ADMS 30/07 1/2 RC 23/19 6 August 2019 Subject : Report on the Company’s operating results for the second quarter of the year 2019 Attention : President of the Stock Exchange of Thailand The Board of

MMS-AC62/013 August 7, 2019 Subject: Management Discussion and Analysis of Operating Results for 2Q19 ending June 30, 2019 To: The President of the Stock Exchange of Thailand Matching Maximize Solution

Page 1 of 3 PAP_SET19016 - Translation - August 13rd, 2019 Re: Connected Transaction Information Office Space Rental Attn: The Managing Director The Stock Exchange of Thailand Pacific Pipe Public

2019 Subject: Management Discussion and Analysis - for the three-month period ended 30 June 2019. To: The President of Stock Exchange of Thailand B-52 Capital Public Company Limited (“the Company”) would

2019 Subject: Management Discussion and Analysis - for the three-month period ended 30 June 2019 (Revise) To: The President of Stock Exchange of Thailand B-52 Capital Public Company Limited (“the Company

Director The Stock Exchange of Thailand Pacific Pipe Public Company Limited ( “ Company” ) would like to notify the resolution of Board of directors’ meeting no.6/2019 held on 13 August 2019. The Board

No. B52-201911/001 11 November 2019 Subject: Management Discussion and Analysis - for the three-month period ended 30 September 2019. To: The President of Stock Exchange of Thailand B-52 Capital

at THB 51 mil. (10.3%), 3.2% incremental primary by impairment losses on trade accounts receivable in accordance with Thai Financial Reporting Standard No.9, which is effective in Q1 20 of THB 1.4 mil

-4124 MMS-AC63/039 August 7, 2020 Subject: Management Discussion and Analysis of Operating Results for 2Q20 ending June 30, 2020 To: The President Stock Exchange of Thailand Matching Maximize Solution

Microsoft Word - MD&A SET Q2'2020 ENG.doc Page 1 of 2 August 10, 2020 Re: Management Discussion and Analysis for Quarter 2/2020 (June 30 ,2020) To: Director and Manager of the Stock Exchange of