Ratio 2Q22 1Q23 2Q23 Interest-bearing debt to equity (times)* 1.1 1.0 1.0 Net debt to equity (times)* 0.9 0.8 0.9 Net debt to EBITDA (times)* 0.8 0.7 0.8 Net debt & lease liability & spectrum license

investment growth, reflected from the annual budget disbursement has been below target. Expediting public investment and also key infrastructure projects will assist in crowding-in of private investment. 3

-based. 2) Public and private investment growth, reflected from the annual budget disbursement has been below target. Expediting public investment and also key infrastructure projects will assist in

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

(0.19) (0.92) Debt service coverage ratio (Cash Basis)7 times 0.07 0.25 (0.02) (0.05) (0.09) Dividend payout ratio8 % 80.79 97.77 309.91 N/A N/A Interest Bearing Debt to equity 9 times 1.39 1.38 2.04 1.32

ratio6 times 3.58 5.54 0.37 (0.19) (0.92) Debt service coverage ratio (Cash Basis)7 times 0.07 0.25 (0.02) (0.05) (0.09) Dividend payout ratio8 % 80.79 97.77 309.91 N/A N/A Interest Bearing Debt to equity

Exemption from Filing of Registration Statement for the Offer for Sale of Debt Securities

Re: Determination of Definitions in Notifications relating to Issuance and Offer for Sale of Debt Securities

Re : Application for and Approval of Offer for Sale of Newly Issued Debt Securities

Re: Offer for Sale of Debt Securities of Thai Government Agencies