ด4 UNOFFICIAL TRANSLATION Readers should be aware that only the original Thai text has legal force and that this English translation is strictly for reference. PAGE 4 Notification of the Securities

ด4 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 Securities and

. Notification of the Securities and Exchange Commission No. Kor Jor. 4/2560 Re: Determination of the Definitions of Institutional Investor, Ultra-high Net Worth Investor and High Net Worth Investor

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 Securities and Exchange Commission No. KorKhor

which the transaction size as basis no.2, the calculation based on total value of consideration paid or received according to the Notification of the Capital Market Supervisory Board No. Tor.Jor. 20/2551

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 Market

6.37% per annum. This transaction is connected transaction according to the Notification of the Capital Market Supervisory Board No. TorJor 21/2551 on the rules of the connected transactions under

ไฮโดรเท็ค จํากดั (Translation) No. 024/0461 April 4, 2018 Subject Notification of the Board of Directors No.6/2018 Re: Convening the Extraordinary Shareholders’ Meeting No.1/2018; an Acquisition of

reference. PAGE 4 Notification of the Capital Market Supervisory Board No. Tor Nor. 89/2558 Re: Rules for Management of Retail Funds, Mutual Funds for Accredited Investors, Mutual Funds for Institutional

reference. Notification of the Capital Market Supervisory Board No. Tor Nor. 89/2558 Re: Rules for Management of Retail Funds, Mutual Funds for Accredited Investors, Mutual Funds for Institutional Investors