Disposal of Assets To: President The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Acquisition and disposal of Assets Board of Directors Meeting of E for L Aim Public Company

the People's Republic of China and Thailand  We would like to bring your attention to the Memorandum of Understanding between the Government of the Hong Kong Special Administrative Region of the

the Memorandum of Understanding between the Government of the Hong Kong Special Administrative Region of the People’s Republic of China (“Hong Kong”) and the Government of the Kingdom of Thailand

Enclosure: 1. Information Memorandum Re: Acquisition of Assets of T.K.S. Technologies Public Company Limited (Schedule 1) (Second Amendment) 2. Information Memorandum Re: the Allocation of the Newly-Issued

Disposal of Asset of the Company Attention: President Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Disposal of Asset of the Company (1st) 2. Information Memorandum on the Disposal

in blue. No. ORI 48/2017 31 July 2017 Subject: The Disposal of Asset of the Company Attention: President Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Disposal of Asset of 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

Determination of the Date of Extraordinary General Meeting of Shareholders No. 1/2018 To: President The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary

is not required to be disclosed the information memorandum in accordance with the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts

Page 1 of 9 Ref. PDI/BK-BS-049/2017 31 August 2017 To: President The Stock Exchange of Thailand Re: Acquisition of shares in Symbior Elements Pte. Ltd. Enclosure: Information Memorandum regarding the