Inventory Turnover 6 (times) 66.93 70.56 70.75 Average Inventory Turnover Period 7 (days) 5 5 5 Account payable Turnover 8 (times) 23.35 22.54 20.43 Average Payment Period 9 (days) 15 16 18 Cash Cycle 10

seller agrees to proceed for the Nation University to repay for the last installment of the debt within 31 January 2019. 2. Involved Parties and Relationships between the Parties Shares Purchase Agreement

Amortization (EBITDA) In 3Q 2018, the Company has earnings before interest payable, tax, and depreciation ( EBITDA) pursuant to the Financial Statements in the amount of THB 268 million, which decreased by 1. 4

increase in trade accounts payable and other accounts payable of Baht 101.90 million, increase in provision for post-employment benefits obligation of Baht 4.97 million and increase in current income tax

Period (Days) 46 47 Inventory Turnover Period (Days) 18 17 Average Payable Period (Days) 17 15 Cash Cycle (Days) 47 49 Total Debt to Equity Ratio (Times) 0.78 0.55 Interest Coverage Ratio (Times) 53.85

baht and intense competition. Transaction For the Year ended 31st December Unit 2018 2017 Gross Profit Ratio % 14.58 15.60 Earnings Ratio % 3.15 4.88 Debt to Equity Ratio Time 0.27 0.29 Return on Equity

Margin (%) 2.33 2.40 2.50 Current Ratio (Times) 1.34 1.43 1.43 Debt to Equity Ratio (Times) 2.16 1.79 1.82 Book Value per Share (Baht) 2.16 2.22 2.34 Net Profit per Share (Baht) 0.46 0.45 0.12 Interim

Margin (%) 2.33 2.40 2.35 Current Ratio (Times) 1.34 1.43 1.43 Debt to Equity Ratio (Times) 2.16 1.79 1.81 Book Value per Share (Baht) 2.16 2.22 2.25 Net Profit per Share (Baht) 0.46 0.45 0.43 Yearly

Net Profit Margin (%) 2.17 2.34 2.02 Current Ratio (Times) 1.33 1.34 1.33 Debt to Equity Ratio (Times) 2.27 2.16 2.26 Book Value per Share (Baht) 2.11 2.16 2.16 Net Profit per Share (Baht) 0.40 0.46

Margin (%) 2.40 2.35 3.32 Current Ratio (Times) 1.43 1.43 1.46 Debt to Equity Ratio (Times) 1.79 1.81 1.72 Book Value per Share (Baht) 2.22 2.25 2.41 Net Profit per Share (Baht) 0.45 0.43 0.15 Interim