1 - Translation – Bor.Chor.Ngor 0078/2018 March 30, 2018 Subject: Connected transaction (renew the property management contract) and the allocation for legal reserve Attn : President The Stock

ended 31 March 2018 and 2017 are as follows; Unit: THB million Q1-2018 Q1-2017 % Change 1. Revenue from sales and contract work 1.2 1.2 2.1% 1.1 Turnkey Total Solutions 1.2 1.2 2.1% 2. Revenue from

the revenue from services and revenue from contract work. The total cost was reported at THB 601.5 million, decreased by THB 93.9 million or 13.5%. The gross profit for the year 2018 was decreased by

transaction 1. The use of the DURO trademark includes sales commission 2% from sales, a normal business support program with an extension of the contract year by year. 2. Technical service fee 1 % from sales, a

crude and product oil price hedging contract, resulting in the performance to decline from Q1/2017. Nevertheless, performance was better than the previous quarter from the expenses reduction which was

proceeding to enforce a lien against the issuer’s property or before taking any other action upon the request of the debt securities holders. 5. Disclose the material terms of the contract or provisions of law

lien against the issuer’s property or before taking any other action upon the request of the debt securities holders. 5. Disclose the material terms of the contract or provisions of law governing the

of this year, BAC has entered into contract with Qantas Airways. As of 31 December 2017, BAC has 24 airline customers on hand. Worldwide Flight Services Bangkok Air Ground Handling Company Limited (BFS

(excluding VAT); 2. The extension of the contract term of the Management Agreement for Maintenance Service on Civil Infrastructure and E&M Systems for the MRT Blue Line Project (M.R.T. Chaloem Ratchamongkhon

approximately Baht 1,505.0 Million (excluding VAT); 2. The extension of the contract term of the Management Agreement for Maintenance Service on Civil Infrastructure and E&M Systems for the MRT Blue Line Project