[COMPANY NAME] Ref.: EFORL IR 037/2018 August 15, 2018 Subject: Notification of allocation and subscription of capital increase ordinary shares of WCI Holding Public Company Limited. (Edit) To: The

same rules as much as possible, and (4) re-definition of the term, “major shareholder” based on “the number of the voting shares” instead of “the number of the outstanding shares” to truly reflect the

required from the Company as UAPC will be capable to raise funds through the IPO and other financial sources following the listing. 2) The shares value of the Company will accurately reflect the actual

to Clause 4. of the Company's Memorandum of Association so as to reflect the capital increase Agenda item no. 11 To consider and approve the allotment of new shares (FVC – W3) Agenda item no. 12 Others

1. Capital Increase Form (F 53-4) 2. Information Memorandum concerning the Offering and Allocation of the Newly Issued Shares of Hydrotek Public Company Limited 3. Information Memorandum concerning

Allotment of Shares in Excess of Underwriting Amount (No. 2)

Re: Allotment of Shares in Excess of Underwriting Amount

Distribution of Newly Issued Shares and Share Warrants by Issuer

Granting the Purchasing Right to Provider of Over-Allotment Shares After Allotment of Shares in Excess of Underwriting Amount

Provisions relating to Offer for Sale of Shares Issued by Foreign Company Whose Shares Are Not Traded on Foreign Exchange