(Translation) Re: BOD.SET 013/2019 November 12, 2019 Subject: Clarification on the Change in operating results for the nine month ended September 30, 2019 over 20% compared with the same period of

14 November 2019 Re Explanation and analysis of the Management for the 3rd. quarter of 2019 ended 30 September 2019 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 4/2562

/2563 13 May 2020 Re Explanation and analysis of the Management for the 1st quarter of 2020 ended 31 March 2020 To Director and Manager, Stock Exchange of Thailand The Company would like to submit

“Company”) would like to notify the Stock Exchange of Thailand regarding the business operation ended 31 March 2020 as follows; Outline of Business operation For the first quarter of 2020, the economic

period 30.39 67.00 (36.67) (54.64) Gross profit margin (%) 22.73 31.40 (0.87) Profit (loss) for the period margin (%) 3.11 6.44 (3.32) Explanation of financial position for year 2020 For three-month ended

/2563 13 Aug 2020 Re Explanation and analysis of the Management for the 2nd quarter of 2020 ended 30 June 2020 To Director and Manager, Stock Exchange of Thailand The Company would like to submit herewith

Samutprakarn, Samutprakarn 10280, Thailand Tel. 66 2323 1085..96 Fax. 66 2323 9283 Translation 14th August 2020 Subject: Management Discussion and Analysis (MD&A) of Q2/2020, ended 30th June 2020 To: Director

ที ่B52-2020-08/001 14 August 2020 Subject: Management Discussion and Analysis - for the three-month period ended 30 June 2020 To: The President of Stock Exchange of Thailand B-52 Capital Public

Microsoft Word - MD&A SET Q1'2020 ENG.doc Page 1 of 2 May 14, 2020 Re: Management Discussion and Analysis for the period ended March 31 ,2020 To: Director and Manager of the Stock Exchange of

MD & A - Q3-62 _สอบทาน__EN November 7, 2019 Subject : Management Discussion and Analysis For the second quarter ended 30 September 2019 (reviewed) To : Director and Manager The Stock Exchange of