been a change in the necessary circumstances as provided in the first paragraph, the Minister upon the recommendation of the SEC may modify or change the conditions already specified.

. Another key factor in reduction in Cost of Goods Sold is the change in estimated useful life of fixed assets as disclosed in the Note to Financial Statements no. 3.3 resulting in reduction in depreciation

% Gas cost Baht/mmBtu 251.99 235.45 -6.6% 2.2) Cost structure 6M'2016 6M'2017 % change million Baht % million Baht % % Cost of sales and services Natural gas 8,166 72% 9,040 70% 10.7% Cost of electricity

income and cost of sales resulting in the operating income until the gross profit being reported differently from the previous periods Operating Results Adjusted Net Income Q4/18 Q3/19 Q4/19 Change

IPD which posted 28% growth yoy due to epidemics, weather change as well as increasing number of beds in service. Cost of Hospital Operations Cost of hospital operations in 2Q’18 and 1H18 increased by

and 30.2% y-on-y in 6M’2019 to Baht 720 million, primarily due to commercial operations of new power plants in 2018 described previously. COST STRUCTURE FINANCIAL PERFORMANCE 6 6M’18 6M’19 change Q2’18

million or 16.5 percent from Baht 975.56 million in the 3 rd quarter of 2017. The change was due to the decreased lease receivable, calculated according to the Effective Interest Method. =., Other income

the future; higher excise tax and sugar tax following the Excise Act, B.E. 2560 which was effective since 16 September 2017; cost from trial runs and start-up of a new production line for some products

/17 9M/18 Change +/(-) (THB million) QoQ YoY YoY Operating revenue 4,243 6,563 6,661 1% 57% 15,067 18,940 26% Cost of sales (exclude depreciation and amortization) (3,044) (4,729) (5,055) 7% 66% (11,515

in the nine-month period of the year 2018. The change was due to the decreased lease receivable, calculated according to the Effective Interest Method. 3.3 Cost of sales and rendering of services