หนา้1/2 (Translation) Ref. JCKH 014/2561 May 15, 2018 Subject: Management Discussion and Analysis for the Quarter 1/2018 To: The President The Stock Exchange of Thailand CC: The Secretary General The

9 August, 2018 Re Explanation and analysis of the Management for the 2nd. quarter of 2018 ended 30 June 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 4/2561 of the

August 9, 2018 Subject : Management Discussion and Analysis for six-month and 2nd quarter ended June 30, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance . Revenues

November 9, 2018 Subject : Management Discussion and Analysis for nine-months and 3rd quarter ended September 30, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance

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

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

August 11, 2020 Subject : Management Discussion and Analysis for Six-month and 2nd quarter ended June 30, 2020 Attention : President The Stock Exchange of Thailand Operating Performance 1. Revenues

/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

Ref No.Sor.Kor. 39/63 August 13 , 2020 Manager and Director of The Stock Exchange of Thailand Subject: Management discussion and Analysis for the three month and six month periods of year 2020 For