determination of record date and the date of 2020 Annual General Meeting of Shareholders) To: President The Stock Exchange of Thailand Attachment: 1. Financial assistance to KT Medical Service Company Limited 2

The Stock Exchange of Thailand Reference: The Notification No. BGRIM 16/2563 dated 31 August 2020 Re: the readiness for development of 7 combined cycle cogeneration power plants as planned B.Grimm Power

.: _____________________________ In case the ARFP Passport Fund is to be listed on the Stock Exchange of Thailand (SET) or any other organised and regulated exchange in Thailand, e.g. an ETF), please state the names of market maker

Page 1 of 5 - Translation - Ref. WINNER 0018/2019 May 13, 2019 Re Management Discussion and Analysis (MD & A) for Q1/2019 To The President The Stock Exchange of Thailand 1. Analysis of Overall

operating results of the third quarter of 2018, ended 30 September 2018 To Director and Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 7/2018 of General Engineering Public Company

.: _____________________________ Fax No.: _____________________________ In case the ARFP Passport Fund is to be listed on the Stock Exchange of Thailand (SET) or any other organised and regulated exchange in Thailand, e.g. an ETF

research prepared by ASCO’s members Disclosure of CG symbols designated by the National CG Committee 1. Please

-Translation- NO. ED-MD2020-0009 March 12th, 2020 Subject: Notification of Acquisition Assets To: Director and General Manager The Stock Exchange of Thailand Enclosed Report Eureka Design Public

public offering of BBGI Company Limited (“BBGI”) (IPO), the proposed listing of BBGI on the Stock Exchange of Thailand, the employee stock option programme for the benefit of directors, management and

No. Kor Bor Ror. 026/2018 March 6, 2019 President The Stock Exchange of Thailand Sub : Dividend payments, connected transaction, the shareholders’ meeting date, and the dissemination of the meeting