1 Translation CEN 004-2019 February 27, 2019 Subject Management Discussion, analysis and business operation of year 2018 To The Manager and President The Stock Exchange of Thailand Yearly business

Ref. No. 1805/025EN May 14, 2018 Subject Management Discussion and Analysis for Q1/2018 (Ending March 31, 2018) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company

Microsoft Word - E-0045 (Translation) No. CK-17-0000-PO-L-0045 August 29, 2017 Re: Notification of Resolution of the Board of Directors) Meeting No. 4/2017 Attn.: President of the Stock Exchange of

1 No. EXE. 041-12-17 December 4, 2017 Re: Report of Information on the Connected Transaction To: President The Stock Exchange of Thailand Reference is made to the resolution of Board of Directors of

. TorJor. 20/2551 Re: Rule on Entering into Material Transactions Deemed as Acquisition or Disposal of Asset dated 31 August 2008 (as amended) , and the Notification of the Board of Governors of the Stock

1 EFORL 031/2017 August 15, 2017 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Co., Ltd. To: President The Stock Exchange of Thailand Ref: Letter no. EFORL

- Translation - CS 26/2019 4 November 2019 Subject: To set up a subsidiary in the Socialist Republic of Vietnam Attention: President Stock Exchange of Thailand With reference to the resolution of the

Acc.028/2017 November 9, 2017 To: The President The Stock Exchange of Thailand Subject: Management discussion and Analysis Quarter 3 Ending 30 Sep 2017 Dear Sir, S. Khonkaen Foods Public Company

Acc.002/2018 February 21, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Year 2017 Dear Sir, S. Khonkaen Foods Public Company Limited or

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 Limited and its