Commission No. KorThor. 3/2551 Re: Additional Determination of Type of Juristic Person Classified as Institutional Investors _____________ By virtue of Clause 3 and Clause 9 of the Derivatives Act B.E.2546

Retail on the Stock Exchange of Thailand through the big lot trading process as soon as the stock exchange opens for trading. The transaction size of divestment of shares in WG is classified as the

e-service Online Submission Derivatives Agent >>   Type Title Section See document Status Notified Date Effective Date 1. Notification of the Securities and Exchange Commission  KorThor 3/2551

e-service Online Submission Derivatives Dealer >>   Type Title Section See document Status Notified Date Effective Date 1. Notification of the Securities and Exchange Commission  KorThor 3/2551

. The principal business operaton of the Group are summarized in 4 categories as follow; 1. EPC Serive such Engineering, Procurement, Construction, and Construction management, 2. Structural Mechanical

Mechanical Piping (SMP) and Electrical and Instrument service, 3. Civil and Building service. 4. Fabrication and Other service. For the Group’s 2017 operation ended 31 December 2017 could summarize as follows

Printable Format - Laws and Regulations Securities Brokerage Business |- Licensing / Registered Capital / Fees | - |- Licensing (Section 90) | - |- Activities NOT deem TO be classified AS operating

Printable Format - Laws and Regulations Securities Underwriter Business |- Licensing / Registered Capital / Fees | - |- Licensing (Section 90) | - |- Activities NOT deem TO be classified AS operating

) | - |- Others    Securities Dealer Business |- Licensing / Registered Capital / Fees | - |- Licensing (Section 90) | - |- Activities NOT deem TO be classified AS operating securities business | - |- Registered

investment exceeding 100% of NAV will be classified as high risk products and subject to additional regulations to mitigate risk of misselling; for instance, description of the worst case scenario for