No. 10000/003/2020 11th February 2020 Subject: Acquisition of all shares in Nam San 3A Power Sole Co., Ltd. and Nam San 3B Power Sole Co., Ltd. of BCPG Public Company Limited to invest in hydro power

shares in SGAH in the amount of 4,977 shares at the par value of USD 1, representing 24.89% of all registered and paid-up shares of SGAH, at the total value of USD 25 million or equivalent to approximately

-Translation- Ref. No. PorBor.027 / 2019 September 11, 2019 Subject: Entering into Transaction of Disposing of Subsidiary’s ordinary shares To: President The Stock Exchange of Thailand Enclosure

principle) 8. Type of securities subject to the reporting obligation for this acquisition or disposition: 8.1 Shares ( √ ) Common shares ( ) Preferred shares 8.2 Convertible securities ( ) Warrants

business), i.e., disposing ordinary shares of NU of 30,599,999 shares, equivalent to 90 percent of the total NU shares to Chirasak Chiyachantana Ph.D. Asso.Prof. at an approximate price of Baht 8.3824 per

No. TorChor. 20/2551 Re: Rules on Entering into Material Transactions Deemed as Acquisition or Disposal of Assets. 3. Approved the related transactions with the related companies (Details as attachment

statement, Approval of the disposition of shares in subsidiary and Appointment of new director replacing resigned director Edited To: The President, The Stocks Exchange of Thailand The Board of Directors

obligation for this acquisition or disposition: 8.1 Shares ( ) Common shares ( ) Preferred shares 8.2 Convertible securities ( ) Warrants ( X ) Convertible debentures (CD) ( ) Transferable subscription rights

the chain principle) 8. Type of securities subject to the reporting obligation for this acquisition or disposition: 8.1 Shares ( ✔ ) Common shares ( ) Preferred shares 8.2 Convertible securities

the case of acquisition through the chain principle) 8. Type of securities subject to the reporting obligation for this acquisition or disposition: 8.1 Shares ( ) Common shares ( ) Preferred shares 8.2