from the Board of Directors’ opinion. Information Memorandum regarding the Acquisition of Assets (List 2) of Master Ad Public Company Limited The acquisition of shares in Puncak Berlian Sdn.Bhd. 1

1 25 May 2020 Subject: Notification on Resolution of the Board of Directors’ Meeting No. 5/2020, Change of Directors and Directors’ Power, Entering into Connected Transaction, Entering into

Company’s net tangible assets. The Company therefore wishes to disclosure the details of such transaction pursuant to the Related Party Transaction Notification as follows: 1. Transaction date, month and year

The Company’ s Board of Directors had passed its resolution to arrange the 1/2017 extraordinary general meeting of shareholders on November 21, 2017 for consideration and approval of the capital

to Equity Ratio (Time) 1.78 5.88 Total Expenses The 2017 Operating Result as ended 31 December 2017 General Information The Company’ s Board of Directors had passed its resolution to arrange the 1/2017

previous year which a net loss of Baht 9.99 million, the loss decrease Baht 1.54 million or decrease by 15.36% , the main reasons are as follow 1. Revenue from sale , Other income The company had revenue

to the same period of previous year which a net loss of Baht 5.43 million, the loss increase Baht 7.45 million or increase by 137.09% , the main reasons are as follow 1. Revenue from sale , Other

quarter of 2018. The Company has waived its rights to purchase the new ordinary shares of Dhipaya Bodin to Ramkhamhaeng Hospital Public Company Limited ("RAM") as a new investor. 1. Transaction date The

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

Capital Market Supervisory Board hereby issues the following regulations: Clause 1 Notification of the Capital Market Supervisory Board No. TorKhor. 56/2552 Re: Rules, Conditions and Procedures for