determination of such dates and time to be made as appropriate. Please be informed accordingly. the meeting empower the Executive Committee or the Managing Director to amend or change the date of determination of

November 13, 2006 August 13, 2019 Subjects : The acquisition of ordinary shares of WPS (Thailand) Co., Ltd. increased 0.50% Attention : The Director and Manager of the Stock Exchange of Thailand The

( Translation ) Ref. No. HARN 011/2019 14 November 2019 Subject: Notification about Related Parties Transaction To: Director and Manager The Stock Exchange of Thailand (“the SET”) The committee of

having a common director(s) with major shareholder. Letter of Intent / Memorandum of Understanding is signed with Christiani & Nielsen Energy Solutions (“CNES”) to provide services of designing

Board of Director No. 10/2017 on 19 October 2017 The Company hereby certifies that the information contained in this report is true and complete in all respects. (Mr. Slib Soongswang) Chief Executive

offering and the allocation of the newly issued shares on the private placement basis to Mr. Surachet Chaipatamanont who is a connected person of the Company as he will thereafter become a director of the

December 12, 2018 Subject : Acquisition of 84.50% shares of WPS (Thailand) Co., Ltd. Attention : Director and Manager Stock Exchange of Thailand Enclosure : 1. Memorandum of the Acquisition of Asset

increase of the Approve the allocation of the Company’s newly issued ordinary shares to specific investors (Private However, the meeting empower the Executive Committee or the Managing Director to amend or

is Baht 50 million. The considering proportion of Fer EN investment will have more Baht 25 million. Total investment value is Baht 27.5 million. The Board of Directors authorized to The Executive

project value is Baht 50 million. It is a joint venture between ERV and other investors. ERV will invest in the value of Baht 25 million. The Board of Directors authorized to The Executive Committee to have