Translation August 9, 2017 Subject: Management explanation and analysis for Quarter ended 30 June 2017 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public Company Limited

November 14, 2017 Subject : Management Discussion and Analysis of 3rd quarter ended September 30, 2017 Attention : President The Stock Exchange of Thailand Operating Performance . Revenues Three

Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for year ended of 31 December 2017 as follows. The operation results

and several institutions in the capital market, such as the Stock Exchange of Thailand, Thai Listed Companies Association, Association of Thai Securities Companies, Associations of Investment Management

No: AH 03052022 May 17, 2022 Subject: Management Discussion & Analysis (MD&A) for the Financial Statements of the 1st Quarter of Fiscal Year 2022 Ended as of March 31, 2022 To: The President The Stock

หน้า 1 จาก 1 Translation February 19, 2020 Subject: Management explanation and analysis for Year ended 31 December 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

หน้า 1 จาก 1 Translation May 10, 2019 Subject: Management explanation and analysis for Quarter ended 31 March 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

writer Ref. No. 158/2562 November 13, 2019 SUBJECT : Management Discussion and Analysis ending September 30, 2019 ATTN : The President Stock Exchange of Thailand The Company realized profit for the

Bangkok, 25 October 2017 ? The SEC in cooperation with securities companies, asset management companies and the Stock Exchange of Thailand Group exercised a joint cyber drill to raise the industry's

1/4 REF: SET-2018-021 December 12, 2018 Subject Report of the Resolutions of Board of Directors’ Meeting No. 5/2018 – Related Party Transaction To President The Stock Exchange of Thailand Filter