September 2017 Subject: Notification of the Board of Directors No.8/2017 and the date of the Extraordinary General Meeting of Shareholders No. 1/2017 To: The President The Stock Exchange of Thailand Enclosure

amount of Baht 400,540,000 (the “Selling Price”). In this regard, such transaction constitutes an asset disposal transaction pursuant to the Notification of the Capital Market Supervisory Board No. TorChor

Company in an amount of Baht 400,540,000 (the “Selling Price”). In this regard, such transaction constitutes an asset disposal transaction pursuant to the Notification of the Capital Market Supervisory

authorized land office within 31 March 2019. The transaction mentioned above is considered as a disposal of assets in accordance with the Notification of the Capital Market Supervisory Board No. TorChor. 20

accounting standards under WHA level. However, the genuine gross margin was 55.3%. Utilities & Power Business 2018 2019 Increase/ (Decrease) THB mm THB mm % Revenue 2,095.1 2,258.7 7.8% Gross Profit 895.2

genuine gross margins for 3 months and 9 months were 51.5% and 54.8%, respectively. Utilities & Power Business Q3 2018 Q3 2019 Increase/ (Decrease) 9M 2018 9M 2019 Increase/ (Decrease) THB mm THB mm % THB

for reference. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ---------------------- Notification

undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ---------------------- Notification of the Office of the Securities and Exchange

. The SEC, Thailand cannot undertake any responsibility for its accuracy, nor be held liable for any loss or damages arising from or related to its use. ---------------------- Notification of the Office

connected transaction according to the Notification of the Capital Market Supervisory Commission No. Tor Chor 21/2551 Re: Rules on Connected Transactions and the Notification of the Board of Governors of the