) Natural gas (SPP) Maintenance fee Other raw materials Others Cost of sales and services (exclude depreciation and amortization) (THB million) Industrial and chilled water +9% YoY +14% QoQ -4% YoY Management

due to the decreased in revenue from solar cell implementation service from Combine Heat and Power Producing Company Limited (CHPP) as well as the decrease in revenue from chilled water following the

) Industrial and chilled water Steam 28% 35% 30% 37% 33% 35% 33% 30% 32% 2% 2% 2% 5,553 5,366 5,459 Q2/2016 Q1/2017 Q2/2017 -2% YoY +2% QoQ -2% 28% 35% 30% 60% 51% 56% 5% 5% 5% 4% 5% 5% 3% 3% 3% 4,302 4,268

concerning personnel . Clause 7 1 The SEC Office would deliberate the application for obtaining an approval to appoint a person to be personnel in the capital market business within 5 business days as from the

The SEC Office would deliberate the application for obtaining an approval to appoint a person to be personnel in the capital market business within 5 business days as from the date when the SEC Office

deliberate further, in accordance with Article 5 of the Social Enterprise Promotion Act B.E. 2562 (2018), which stipulates that social enterprises must have good corporate governance in its

revenue from chilled water of Combine Heat and Power Producing Company Limited (CHPP). The Proportion of Gross Profit in Q2/2019 Small Power Producer (SPP) Baht 3,616 million (60%) Independent Power

) Industrial and chilled water Revenue (THB million) Natural gas (SPP) Maintenance fee Other raw materials Cost of sales and services (exclude depreciation and amortization) (THB million) Management Discussion

and amortization) (THB million) Industrial and chilled water +7% YoY +18% QoQ Management Discussion & Analysis Management Discussion & Analysis (MD&A) Q1/2018 Selling and administrative expenses In Q1

(THB million) Natural gas (SPP) Maintenance fee Other raw materials Others Cost of sales and services (exclude depreciation and amortization) (THB million) Industrial and chilled water +66% YoY +7% QoQ