30-E 1/1 RC 030/18 10 May 2018 Subject : Report on the Company’s operating results for the first quarter of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of

(Translation) UAC.CS/002/2018 February 20, 2018 Subject: Explanation of the operating results for the year period ended December 31, 2017 To: President The Stock Exchange of Thailand Attachment

(Translation) UAC.CS/011/2018 May 14, 2018 Subject: Explanation of the operating results for the first quarter period ended March 31, 2018 To: President The Stock Exchange of Thailand Attachment

1/2 RC 57/18 6 November 2018 Subject : Report on the Company’s operating results for the third quart er of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of Directors

-AC61/022 November 7, 2018 Subject : Management discussion and analysis of the operating results for the third quarter of 2018, ending September 30, 2018 To : The President of the Stock Exchange of

Microsoft Word - CS 2563-010 Q2 to SET (T_E) [ TRANSLATION ] Our Ref. JTS/CS-010/2563 August 13, 2020 Subject : Report on the Company’s operating results for the second quarter of the year 2020 To

Consolidated Financial Statements for the second quarter of 2020, reviewed by auditor, to the Stock Exchange of Thailand. The clarification on the Company’s operating results for the second quarter of 2020, are

regulations to remain only those necessary and consistent with current situations. These efforts aim to strengthen business sectors’ competitiveness, and reduce operating costs of private sectors and burdens

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (amended) To The President The Stock

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 (Amended No.2) To The President The Stock