Purchase Agreement 407.5 388.0 355.9 (8.3%) (12.7%) 1,232.8 1,107.2 (10.2%) Sales of electricity to Industrial Users (IU) 2.4 1.3 1.1 (15.4%) (54.2%) 6.5 4.1 (36.9%) Sales of steam (IU) 6.1 4.4 1.8 (59.1

%) 751.4 680.5 (9.4%) Sales of electricity to Industrial Users (IU) 1.3 1.1 1.4 27.3% 7.7% 2.9 2.5 (13.8%) Sales of steam (IU) 4.4 2.5 2.9 16.0% (34.1%) 9.3 5.4 (41.9%) Sales from Natural Gas Power Plant

Industrial Users (IU) 1.1 1.4 1.2 (14.3%) 9.1% 4.0 3.7 (7.5%) Sales of steam (IU) 1.8 2.9 1.1 (62.1%) (38.9%) 11.1 6.5 (41.4%) Sales from Natural Gas Power Plant 462.0 466.9 507.7 8.7% 9.9% 1,429.3 1,396.9

Purchase Agreement 319.5 361.0 400.5 459.8 59.3 14.8% 1,394.9 1,540.8 145.9 10.5% Sales of electricity to Industrial Users (IU) 1.1 1.4 1.2 1.3 0.1 8.3% 5.1 5.0 (0.1) (2.0%) Sales of steam (IU) 2.5 2.9 1.1

% 680.5 1,124.4 65.2% Sales of electricity to Industrial Users (IU) 1.4 1.0 0.8 (20.0%) (42.9%) 2.5 1.8 (28.0%) Sales of steam (IU) 2.9 1.4 0.8 (42.9%) (72.4%) 5.4 2.2 (59.3%) Sales from Natural Gas Power

% Revenue from service under a Power Purchase Agreement 400.5 560.5 772.8 37.9% 93.0% 1,081.0 1,897.2 75.5% Sales of electricity to Industrial Users (IU) 1.2 0.8 0.8 - (33.3%) 3.7 2.6 (29.7%) Sales of steam

1,079.9 70.1% Sales of electricity to Industrial Users (IU) 1.0 0.8 0.8 0.8 - - 5.0 3.4 (1.6) (32.0%) Sales of steam (IU) 1.4 0.8 1.1 0.7 (0.4) (36.4%) 8.4 4.0 (4.4) (52.4%) Sales from Natural Gas Power

Instrument Baa1 Baa1 Baa1 Subordinated Debt Instrument Baa3 Baa3 Baa3 Financial Strength (BCA) baa2 baa2 baa2 Outlook Stable Stable Stable Standard & Poor’s Long-term Counterparty Credit Rating BBB+ BBB+ BBB

V3 27/02/63 0 V3 27/02/63 1 Management Discussion and Analysis Overview of the Economy and Banking Industry Thai Economy in 2019 In 2019, the Thai economy grew by 2.4 percent year-on-year, down from 4.2 percent in 2018. Against the backdrop of a global trade slowdown and US-China trade uncertainty, merchandise exports and imports for the year contracted by 2.7 and 4.7 percent from 2018, respectively. Private investment slowed to 2.8 percent from 4.1 percent in 2018 while manufacturing production...

Subordinated Debt Instrument Baa2 Baa2 Baa2 Baa3 Subordinated Debt (Basel III-compliant Tier 2 securities) Baa3 Baa3 Baa3 - Financial Strength (BCA) baa1 baa1 baa1 baa2 Outlook Stable Positive Positive Stable S