) 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

of Thailand Derivatives exchange ë Set licensing and approval https://www.sec.or.th/EN/Documents/AnnualReport/pb_ar_2006.pdf Annual Report 2007 ) Publications "R2 Project" - an educational brochure on

Derivatives exchange ë Set licensing and approval https://www.sec.or.th/EN/Documents/AnnualReport/pb_ar_2006.pdf Annual Report 2007 ) Publications "R2 Project" - an educational brochure on fundamental rights of

) Publications "R2 Project" - an educational brochure on fundamental rights of investors that should be exercised to protect themselves from unfair treatment. "Investment in Property Fund" - a booklet on how to

investors to get started; especially the first jobbers with small earnings to obtain adequate returns for their needs.  The SEC also published the Project brochure for dissemination through the selling points

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

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