1 Ref : JSP/18/02/03 28 February 2018 Subject : Report the operating result for the year ended December 31, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property Public

73 1 / 4 Ref. MD 016/2018 10th May 2018. Subj Management Discussion and Analysis (MD&A) Q1/2018 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary Public Company

Discussion and Analysis for Year Ending December 31, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1

ที่ กบร No. Kor Bor Ror. 032/2017 November 9, 2017 President The Stock Exchange of Thailand Re : Increase of the investment proportion in the ordinary shares of Pattaya Manufacturing Co., Ltd

November 12, 2017 Subject: Management Discussion and Analysis For the three-month period ended September 30, 2017 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited

26 February 2018 Subject: Management Discussion and Analysis for the Year Ended December 31, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

February 24, 2018 Subject: Management Discussion and Analysis For the year ended December 31, 2017 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited (“The Company

25 April 2019 To: The President The Stock Exchange of Thailand Re: Q1-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q1-2019 (Jan-Mar

. OCMSET / 1905/002 May 8, 2019 Subject: Clarification of the operating results for the three-month period of 2019, change of rate more than 20 percent Dear Director and Manager the Stock Exchange of

31, 2019) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial status had varied over