Other Information Tender Offer List of management who submitted the changes in securities holding report (59-2) Reports on Acquisition or Disposition of Securities (246-2) Financial Statements (Concise

conducted by the Dow Jones Sustainability Indices (DJSI) 5  Financial Data / Company Business / Address / Major Shareholders / Management / Business News / Opportunity day belongs to The Stock Exchange of

Sustainability Indices (DJSI) 5  Financial Data / Company Business / Address / Major Shareholders / Management / Business News / Opportunity day belongs to The Stock Exchange of Thailand . Website users agree and

changes in securities holding report (59-2) Reports on Acquisition or Disposition of Securities (246-2) Financial Statements (Concise Version) 5/ Full Version Statement of Comprehensive Income (MB.) 2021

borrowings from financial institutions (2) reversal of provision for decommissioning expenses and (3) increased shareholder equity related to the capital increase in preparation for registration on the stock

SAAM Energy Development Public Company Limited - 1 - 10 May 2019 Subject: Management Discussion and Analysis for the period ended 31 March 2019 To: The President The Stock Exchange of Thailand SAAM

SAAM Energy Development Public Company Limited - 1 - 9 August 2019 Subject: Management Discussion and Analysis for the period ended 30 June 2019 To: The President The Stock Exchange of Thailand SAAM

President The Stock Exchange of Thailand The Board of Director’s Meeting No. 13/2018 of J.S.P. Property Public Company Limited, held on October 16, 2018 agree to approved the receive financial assistance from

(Translation) Page 1 of 2 No. CBG 053/2017 14 November 2017 Re: Board resolution and change of overseas subsidiaries’ capital structure To Managing Director Stock Exchange of Thailand Reference is

-Translation- Ref. IR 62/005 March 13, 2019 Subject: transaction yDisclosure of the information regarding related part To : President, The Stock Exchange of Thailand T.K.S. Technologies Public