Bangkok, November 4, 2014 ? The SEC will launch infrastructure trust regulations recently approved by the Capital Market Supervisory Board.Vorapol Socatiyanurak, SEC Secretary-General said that the

The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary Shares to Specific Investors (Private Placement) at the Offering Price with a Discount of

offering of warrant to purchase ordinary shares of the Company to existing shareholders and joint ventures in subsidiary. (Edited) To: The President The Stock Exchange of Thailand Enclosure 1. Capital

(English Translation) Page 1 Date : 5 February 2018 Subject : Notification of the Board of Directors’ Resolution Concerning the Plan to Spin Off its Subsidiary and to List Shares on the Stock

Extraordinary General Meeting of the Shareholders No. 2/ 2 5 6 1 , Land purchased from the connected person and sell in investment of the subsidiary (Revised 2) Attention The President The Stock Exchange of

(Thailand) Co., Ltd. (“Investment in S-TREK”), capital increase, the issuance and allocation of the newly issued ordinary shares relating to Investment in S-TREK, and the amendment of 2019 Annual General

1 August 17, 2018 Subject: Capital Increase for Offering for Sale to Specific Investors (Private Placement), Connected Transaction, Amendments to Articles of Association/Objectives of the Company and

(Translation) No OCMSET/6106/002 June 12, 2018 Subject Increase of Registered Capital, Allocation and Offering of the Newly Issued Ordinary Shares to a Specific Investor (Private Placement), Application for

specified in the Notification of the Capital Market Supervisory Board No. TorChor. 21/2551 Re: Rules on Connected Transaction and the Notification of the Stock Exchange of Thailand Re: Disclosure of

June 12, 2018 Subject Increase of Registered Capital, Allocation and Offering of the Newly Issued Ordinary Shares to a Specific Investor (Private Placement), Application for Waiver from the Requirement