Calculation Formula Transaction Size 1. Net tangible assets method Net tangible asset of the disposed company x 100 Net tangible asset of the Company N/A1 2. Net profit method Net profit of the disposed company

tangible assets (NTA) (NTA* of investment in the company x Proportion of assets acquired or disposed) x 100 = 410,623*0.38 / 852,192,000 0.02 2. Calculation based on net operating profits (Net operating

acquired or disposed) x 100 = 1,883,127*0.50 / 852,192,000 0.11 -Translation- Seven Utilities and Power Public Co., Ltd. 73 Mahachol Building, Soi Sukhumvit 62, Sukhumvit Rd., Phrakhanong Tai, Phrakhanong

Size 1. Calculation based on the value of net tangible assets (NTA) (NTA* of investment in the company x Proportion of assets acquired or disposed) x 100 = 1,883,127*0.50 / 852,192,000 0.11 -Translation

consideration including with the cash loans, guarantees, and other liabilities will affect highest of disposed transaction value at 60.99 percent of total assets based on the consolidated financial statement as

consideration including with the cash loans, guarantees, and other liabilities will affect highest of disposed transaction value at 60.99 percent of total assets based on the consolidated financial statement as

Company Limited Purchaser : Sino-Thai Engineering and Construction Public Company Limited or STEC Amount of Ordinary Shares to be Disposed : 29,550,000 shares or equivalent to 100 percent of total shares of

acquired or disposed) x 100 NTA of the listed company** *Net tangible assets (NTA) = total assets – intangible assets – total liabilities – non-controlling interests (if any) (Intangible assets are such as

and connected party with the Company. 3. Details, Category, and Transaction Size of the Disposed Assets 3.1 Details of the Disposed Assets The disposed asset in this transaction is the ordinary shares

tangible assets (NTA) (NTA* of investment in the company x Proportion of assets acquired or disposed) x 100 NTA of the listed company This basis could not calculated because of negative NTA of Eco NA