2015, which is the latest financial statement before the transaction. However, according to the Notification of the Acquisition and Disposal of Assets, this transaction is not required for submission of

ended 31 March 2015, which is the latest financial statement before the transaction. However, according to the Notification of the Acquisition and Disposal of Assets, this transaction is not required for

disclose information on the said transaction to the Stock Exchange of Thailand (“SET”) in accordance with the Acquisition or Disposal Notification as follows: 1. Date / Month / Year of the Transaction After

- Translation- June 11, 2019 Subject: Notification the Acquisition of share of BS Myco Biotech Company Limited. (Additional Information Memorandum Concerning the Acquisition of Assets) To: Director and Manager

of Approval for Investor Contacts In continuation of the Notification of the SEC Office No. SorKhor. 15/2548 Re: Approval for Investor Contacts and Standards of Conduct dated 21 June 2005 as amended by

Approval for Investor Contacts In continuation of the Notification of the SEC Office No. SorKhor. 15/2548 Re: Approval for Investor Contacts and Standards of Conduct dated 21 June 2005 as amended by the

) 25/2550 Re: Guidelines for Renewal of Approval for Investor Contacts In continuation of the Notification of the SEC Office No. SorKhor. 15/2548 Re: Approval for Investor Contacts and Standards of

, Sansiri and Arnawat Limited does not have any relationship with the Company and this transaction is not a connected transaction under the Notification of the Capital Market Supervisory Board No. TorChor. 21

Company The transaction size of said acquisition is within the scope of acquisition of assets under the Notification of the Capital Market Supervisory Board No. TorChor 20/2551 Re: Rules on Entering into

- ร่าง - UNOFFICIAL 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 Capital