are solar projects which achieved COD in December 2015 with total installed capacity of 46.5 MW, FiT 5.66 Baht/kWh and sells all electricity to PEA under a 25-year PPA. Successful commercial operation

(agreement with the Provincial Electricity Authority ) PEA .(The commercial operation date was October 11, 2011 . Head office 386, Village no.8, Mitraparb Rd., Ban Po sub- district, Muang Nakhon Ratchasima

capacity of 4.8 MW) selling electricity to PEA under a 20-year PPA with Schedule Commercial Operation Date (“SCOD”) within December 31, 2019. The project received a feed-in tariff of Baht 6.08 per unit for

2,617 0.5% 1.4% Sales to IUs - Vietnam 874 913 4.5% 312 321 323 3.5% 0.6% Sales to PEA 173 512 196.0% 138 181 157 13.8% (13.3%) Sales to MEA - 96 n/a - 33 31 n/a (6.1%) Sales to EDL 84 190 126.2% 32 38

2,418 -3.9% -7.6% Sales to IUs - Vietnam 1,183 1,238 4.6% 309 323 324 4.9% 0.3% Sales to PEA / MEA 300 773 157.7% 127 188 165 29.9% -12.2% Sales to EDL 107 268 150.5% 24 145 78 225.0% -46.2% Sales to EVN

PowerPoint Presentation Management Discussion and Analysis MD&A Q2/2020 THE INNOVATIVE POWER FLAGSHIP OF PTT GROUP 1 Q2/2020 and Recent Highlights In the second quarter of 2020, economic factors that affected company's results of operations include (i) coal price and gas price that continued to drop further from previous quarter resulting in lower costs of sales and (ii) COVID-19 pandemic. Based on our close monitoring of the ongoing impacts of the pandemic on our industrial customers' operation...

PEA tariff of which Ft is a major component. With situation of a stable gas price this year if Ft trends is continuous to increase, it would be favorable to our operating margin, i.e. electricity sales

Baht q-on-q Electricity sales Sales to EGAT 4,740 5,032 6.2% 4,713 5,032 6.8% Sales to IUs - Thailand 2,275 2,450 7.7% 2,388 2,450 2.6% Sales to IUs - Vietnam 277 262 -5.4% 300 262 -12.7% Sales to PEA 18

10,729 10.4% 5,032 5,697 13.2% Sales to IUs - Thailand 4,564 4,922 7.8% 2,450 2,472 0.9% Sales to IUs - Vietnam 581 561 -3.4% 262 300 14.5% Sales to PEA 35 35 0.0% 18 17 -5.6% Sales to EDL 0 51 n/a 8 43

EGAT 14,641 17,012 16.2% 5,697 6,283 10.3% Sales to IUs - Thailand 7,006 7,525 7.4% 2,472 2,603 5.3% Sales to IUs - Vietnam 889 874 -1.7% 300 312 4.0% Sales to PEA 50 173 246.0% 17 138 711.8% Sales to