Memorandum in relation to Related Parties Transaction Re: the Disposal of Rights under Loan Agreement, Share Pledge Agreement and Memorandum of Understanding re: the Feasibility Study for the Solar Power Plant

associated companies 4/ EBITDA from BBGI Plc., its subsidiaries, and share of profit from associated companies 5/ EBITDA from Natural Resources business of Nido Petroleum Pty. Ltd., BCP Energy International

PTT group’s policy in renewable energy investment. This investment will be either in the form of joint venture or share of returns on investment. Currently, GPSC is studying in more detail with PTT

/ EBITDA from BBGI Plc., its subsidiaries, and share of profit from associated companies 5/ EBITDA from Natural Resources business of Nido Petroleum Limited, BCP Energy International Pte. Ltd. and BCP

Nido Petroleum Limited, BCP Energy International Pte. Ltd. and BCP Innovation Pte. Ltd., and share of profit from associated companies 6/ Others items and elimination For 2018 performance, Bangchak

Solutions (TPS) 8,364 17.0 8,998 19.2 10,321 22.0 - Mission Critical Infrastructure Solutions (MCIS) 990 2.0 1,137 2.4 1,052 2.2 EISBG (Energy Infrastructure Solution) 1,178 2.4 953 2.0 937 2.0 - PV Inverter

share of profit from SouthEast Asia Energy Limited, a joint venture in proportion of 33.33 percent, increased in the amount of Baht 51.81 million, mainly due to the higher electricity generation

Services 424 361 17 1,224 1,120 9 - 3 - Selling and Administrative Expenses 44 32 38 130 130 - Share of profit (loss) from investments in joint ventures (2) (1) 100 (2) 1 (300) Finance Cost 5 6 (17) 15 21

December 2016 mainly due to cash and cash equivalents increased from advance from share subscription for the period, trade and other receivables increased from advance to Safe Energy Holdings Company Limited

12.06% - 0.00% 137,396 100.00% Reversal of allowance for diminution in value 50,000 4.39% - 0.00% 50,000 100.00% Share of profit (loss) from investment in associate 4,106 0.36% - 0.00% 4,106 100.00% Share