TRANSLATION Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. Notification of the Office of the Securities and

1 August 17, 2018 Subject: Notification of the Resolutions of the Board of Directors’ Meeting and Determination of the Date of Extraordinary General Meeting of Shareholders No. 1/2018 To: President

1 Ref. 29/01/36 19 June 2020 Subject: Notification on the Entering into the Public-Private Partnership Agreement for the U-Tapao International Airport and Eastern Aviation City Development Project To

of Baht 256,500,000. The investment is considered as an acquisition of assets in accordance with the Notification of the Capital Market Supervisory Board No. TorJor. 20/2551 Re: Rule on Entering into

. 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

. This transaction is not considered as an acquisition or disposition of assets pursuant to the Notification of the Capital Market Supervisory Board No. Tor Jor. 20/2551 Re: Rules on Significant

above would be within scope of the related transaction according to the Notification of the Capital Market Supervisory Board 21/2008 Re: Rules and regulations on connected transactions and Notification of

Ref. SorNor. 043/2017 August 10, 2017 To: President The Stock Exchange of Thailand Re: Notification on Business Restructuring, Change of Name and Capital Increase of the Subsidiaries Whereas, the

the Transaction: Given that BTH is the major shareholder of the Company and BTSC, the transaction is considered a connected transaction in accordance with the Notification of the Capital Market

categorized as connected persons with the Company as follows details:- This amendment of investment value does not cause the Company to fall within the disclosure requirement under the Notification of the