October 11, 2019 Re: Clarification of the operating results of company and its subsidiaries for the year ended as at December 31, 2018 To: Boards and Managements The Stock Exchange of Thailand K.C

Acc. 001/2019 February 25, 2019 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Year 2018 Dear Sir, S. Khonkaen Foods Public Company Limited or

% or Baht 97 million due to the successful of new product development and successful of promotional campaigns. Cost of sales Total cost of sales of the company for Q2’2017 was Baht 2,108 million or

Stock Exchange of Thailand Reference is made to the fact that BCP Innovation Pte. Ltd. (“BCPI”), which is the subsidiary of Bangchak Corporation Public Company Limited (“Company”), had signed an

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, Chatuchak, Bangkok 10900, Thailand Fax : (662) 936-1669 ทะเบียนเลขท่ี 0107554000097 Registration No. 0107554000097 HYDROTEK PUBLIC COMPANY LIMITED บริษทั ไฮโดรเท็ค จ ำกดั (มหำชน) 22 สิงหาคม 2562 เรื่อง การวเิ

Acc. 006/2018 August 9, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 2/2018 Dear Sir, S. Khonkaen Foods Public Company Limited

Acc. 008/2018 November 8, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 3/2018 Dear Sir, S. Khonkaen Foods Public Company

October 3, 2019 Re: Clarification of the operating results of company and its subsidiaries for the six month periods ended June 30, 2018 To: President The Stock Exchange of Thailand K.C. Property

หนังสือบริคณห์สนธิ RHOM BHO PROPERTY PUBLIC COMPANY LIMITED 53 Sukontasawad Rd. Ladprao, Ladprao, Bangkok 10230 Tel: 02-907-8140-2 Fax: 02-907-8144 Page 1 of 3 TITLE 008/2020 August 14, 2020 Subject