institutional investor under the Notification of Securities and Exchange Commission concerning the Determination regarding Definition of Institutional Investor and High Net Worth Investor . “ high net worth

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 To: The President of the Stock Exchange of Thailand Enclosure: 1. Capital Increase

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 (Revised No.2) To: The President of the Stock Exchange of Thailand Enclosure: 1

Amount and Term of Bond Issuance, and Determination of Date of the Extraordinary General Meeting of Shareholders No.1/2018 (Revised No.3) To: The President of the Stock Exchange of Thailand Enclosure: 1

Determination of Definitions in Notifications Relating to Issuance and Offer for Sale of All Types of Debt Securities. Part 1 General Provisions ____________________ Chapter 1 Scope of the Notification and

. Net Profit Margin (%) 10.63 10.48 10.94 Remark: For more information, please go to https://www.csloxinfo.com/ 5 Total Value of Consideration and Criteria of Determination of Consideration Value 5.1

investor” shall have the same definitions as specified in the Notification of the Securities and Exchange Commission concerning Determination of Definitions of Institutional Investor, Ultra-High Net Worth

and evaluation expense (11) (8) (15) 32% 75% (48) (45) -5% Gain (loss) from crude and product oil price hedging contract 46 (95) (138) N/A N/A 366 (442) N/A Gain (loss) from foreign currency forward

Revenues 1,570,917,679 2,461,057,268 (890,139,589) (36.17) Cost of Goods Sold and Services 1,534,434,537 2,399,582,723 (865,148,186) (36.05) Sales & Administration Expenses and Financial Cost and Tax Expense

) / Total revenues from sales EBIT margin (%) = (Profit before income tax expense + Finance Cost) / Total revenues from sales EBITDA margin (%) = (Profit before income tax expense + Finance Cost