Page 1 of 2 August 14, 2019 เรื่อง Clarification of the operating results for the second quarter ended June 30, 2019 เรียน Director/ Managing Director The Stock Exchange of Thailand According to

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

August 14, 2019 Subject: Managing Discussion and Analysis for Q2/2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

Period (Q1/2018) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Three Month period ended 31 March

Period (Q1/2018) (Revise No.1) Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Three Month period

-4124 MMS-AC61/020 August 8, 2018 Subject: Clarification of the operating results for the second quarter of 2018, ending June 30, 2018 To: The President of the Stock Exchange of Thailand Matching Maximize

Page 1 of 2 No. ACC6108/02 August 14, 2018 Subject: Explanation of Financial Performance for the Quarter 2/2018 ended June 30, 2018 To: President, The Stock Exchange of Thailand According to the

-month period ended September 30, 2018 To The President The Stock Exchange of Thailand Management Discussion and Analysis Consolidated Financial Statements For the nine-month period ended September 30

2017. To : The director of the Stock Exchange of Thailand Ramkhamhaeng Hospital Public Company Limited would like to clarify the operation results, as follows: 1. Ramkhamhaeng Hospital Public Company

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