No. CC20180803ELE August 14, 2018 Re: Clarification of the changes in operation performance for the second quarter and the first half ended 30 June 2018 Attn: The President The Stock Exchange of

its subsidiaries for the ended 31 December 2017 represented a loss of Baht 2,156.49 million. Compared to the same period of 2016, the loss was Baht 1,179.47 million (restated), an increase loss of 83

12 November, 2018 Re Explanation and analysis of the Management for the 3rd. quarter of 2018 ended 30 September 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 5/2561

MD & A - Q3-62 _ก่อนสอบทาน__EN October 18, 2019 Subject : Management Discussion and Analysis For the second quarter ended 30 September 2019 (Unreviewed) To : Director and Manager The Stock Exchange

supporting our financial statements for period ended September 30th, 2019. Performance for 3 months ended September 30th, 2019 Total revenues decreased slightly to THB 255.8 million from THB 271.4 million in

(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