November 1, 2017 Re: Clarification on Extension of the Completion of the Acquisition of Shares in the Biogas Power Plant Project of Aukkarawat Plant Renewable Energies Co., Ltd. (the “Project”) To: President

investors. The proceeds will be used to support financing of Rayong Waste to Energy (WTE) project and solar power plant projects as parts of GPSC’s plan to scale up our renewable businesses. GPSC’s senior

) 19045561.pdf 5,294 (55)% Property , plant and equipment 214,435 205,182 5% Intangible assets 42,751 40,349 6% Deferred tax assets 2,583 2,714 (5)% Other assets 2,735 1,371 99% Total assets 395,465 379,195 4

10,169 22% EBITDA Refinery Business 1/ 1,503 916 2,198 46% 140% 3,389 5,340 58% EBITDA Marketing Business 2/ 607 669 474 -22% -29% 2,531 1,999 -21% EBITDA Power Plant Business3/ 612 789 781 28% -1% 1,991

%) (70.5%) 13.6 11.1 (18.4%) Sales from Natural Gas Power Plant 518.9 496.5 462.0 (6.9%) (11.0%) 1,561.3 1,429.3 (8.5%) Sales of electricity - Base tariff and Ft 25.3 25.3 24.0 (5.1%) (5.1%) 76.8 77.1 0.4

) (9.1%) Sales of steam (IU) 2.5 1.4 (1.1) (44.0%) Sales from Natural Gas Power Plant 422.3 668.6 246.3 58.3% Sales of electricity - FiT, base tariff and Ft 70.1 68.1 (2.0) (2.9%) FiT Premium 6.0 6.0

result, sales expenses was higher than the same quarter in 2016 at Baht 11.16 million. Advance Prefab Co., Ltd., the precast concrete products manufacturer, completely established its plant and has started

the investment in the construction of the Central Wastewater Treatment Plant and Collecting System of the Industrial Zone of Mandalay, the Republic of the Union of Myanmar which is deemed to an

baht solar power plant project of The Bangchak Petroleum Public Company Limited that he obtained by attending the negotiation, before such information became public. SEC Act S.241 Settlement Committee

(IU) 1.1 0.8 1.1 37.5% - 6.5 3.3 (49.2%) Sales from Natural Gas Power Plant 507.7 657.4 884.1 34.5% 74.1% 1,396.9 2,210.1 58.2% Sales of electricity - FiT, base tariff and Ft 59.5 73.5 76.7 4.4% 28.9