Common use of OPERATING SEGMENT Clause in Contracts

OPERATING SEGMENT. The Company and its subsidiaries operate in 2 main reportable operating segments in one geographical area, Thailand as follows : Type of operating segment Nature of operating segment Hospital General Hospital, Hospital in Social Security and the National Health Security Office systems Others Rental and Hotel services The operating segment’s performance is regularly reviewed by the chief operating decision maker who is the Executive Directors in order to make decisions about the allocation of resources to the segment and assess its performance. The Company and its subsidiaries assess the performance of the operating segment by using the operating profit or loss as the basis consistent with that used to assess operating profit or loss in the financial statements. Operating segment information for the years ended December 31, 2020 and 2019 were as follows : Baht Consolidated financial statements Hospital Others Total 2020 2019 2020 2019 2020 2019 Revenue from services 5,909,504,131 6,450,680,338 114,944,776 95,213,190 6,024,448,907 6,545,893,528 Cost of services (4,406,035,846) (4,678,123,924) (79,845,496) (100,459,102) (4,485,881,342) (4,778,583,026) Gross profit 1,503,468,285 1,772,556,414 35,099,280 (5,245,912) 1,538,567,565 1,767,310,502 Unallocated other income (other Dividend income expenses) 192,089,968 210,425,919 Gain on sale of investment - 180,526 Other income 121,711,160 116,161,383 Administrative expenses (925,035,511) (953,466,030) Finance cost (202,720,725) (201,101,377) Share of profit of associates (62,354,689) 259,733,939 Income tax expenses (123,738,982) (206,445,299) Profit for the year 538,518,786 992,799,563

OPERATING SEGMENT. The Company and its subsidiaries operate in 2 main reportable operating segments in one geographical area, Thailand as follows : Type of operating segment Nature of operating segment Hospital General Hospital, Hospital and Hospital in Social Security and the National Health Security Office systems single geographical area of their operations is Thailand. Others Rental Sale of medical equipment and Hotel services instruments The operating segment’s performance is regularly reviewed by the chief operating decision maker who is the Executive Directors in order to make decisions about the allocation of resources to the segment and assess its performance. The Company and its subsidiaries assess the performance of the operating segment by using the operating profit or loss as the basis consistent with that used to assess operating profit or loss in the financial statements. Operating segment information for the years nine-month periods ended December 31September 30, 2020 and 2019 were as follows : Baht Consolidated financial statements Hospital Others Sale of medical equipment and Total instruments 2020 2019 2020 2019 2020 2019 Revenue from services 5,909,504,131 6,450,680,338 114,944,776 95,213,190 6,024,448,907 6,545,893,528 5,170,043,919 2,811,991,678 485,463,745 502,218,684 5,655,507,664 3,314,210,362 Cost of services (4,406,035,846) (4,678,123,924) (79,845,496) (100,459,102) (4,485,881,342) (4,778,583,026) 4,287,323,718 1,930,788,931 334,590,064 377,409,477 4,621,913,782 2,308,198,408 Gross profit 1,503,468,285 1,772,556,414 35,099,280 (5,245,912) 1,538,567,565 1,767,310,502 882,720,201 881,202,747 150,873,681 124,809,207 1,033,593,882 1,006,011,954 Unallocated other income (other income/(other expenses) Dividend income expenses) 192,089,968 210,425,919 223,895,871 262,707,681 Gain on sale of investment investments - 180,526 43,450,814 Finance income 24,672,246 10,413,267 Other income 121,711,160 116,161,383 88,171,521 31,955,979 Administrative expenses (925,035,511948,210,550) (953,466,030405,149,482) Finance cost (202,720,725156,029,772) (201,101,37727,361,555) Share of profit of associates (62,354,689) 259,733,939 46,228,334 565,634,195 Income tax expenses (123,738,982107,989,772) (206,445,299138,920,268) Profit for the year 538,518,786 992,799,563period 204,331,760 1,348,742,585

OPERATING SEGMENT. The Company and its subsidiaries operate in 2 main reportable operating segments in one geographical area, Thailand as follows : Type of operating segment Nature of operating segment Hospital General Hospital, Hospital and Hospital in Social Security and the National Health Security Office systems single geographical area of their operations is Thailand. Others Rental Sale of medical equipment and Hotel services instruments The operating segment’s performance is regularly reviewed by the chief operating decision maker who is the Executive Directors in order to make decisions about the allocation of resources to the segment and assess its performance. The Company and its subsidiaries assess the performance of the operating segment by using the operating profit or loss as the basis consistent with that used to assess operating profit or loss in the financial statements. Operating segment information for the years ended December 31, 2020 and 2019 were as follows : Baht Consolidated financial statements Hospital Others Sale of medical equipment and Total instruments 2020 2019 2020 2019 2020 2019 (Restated) (Restated) (Restated) Revenue from services 5,909,504,131 6,450,680,338 114,944,776 95,213,190 6,024,448,907 6,545,893,528 7,062,592,182 3,631,950,938 759,569,228 815,624,784 7,822,161,410 4,447,575,722 Cost of services (4,406,035,8465,732,140,083) (4,678,123,9242,478,484,516) (79,845,496491,879,580) (100,459,102602,328,968) (4,485,881,3426,224,019,663) (4,778,583,0263,080,813,484) Gross profit 1,503,468,285 1,772,556,414 35,099,280 (5,245,912) 1,538,567,565 1,767,310,502 1,330,452,099 1,153,466,422 267,689,648 213,295,816 1,598,141,747 1,366,762,238 Unallocated other income (other income/(other expenses) Dividend income expenses) 192,089,968 210,425,919 Gain on sale of investment - 180,526 229,042,021 272,633,225 Other income 121,711,160 116,161,383 110,913,454 104,670,959 Administrative expenses (925,035,5111,259,581,230) (953,466,030496,147,090) Loss on impairment of assets - (248,042,872) Finance income 30,286,596 13,922,500 Finance cost (202,720,725210,999,976) (201,101,37746,173,941) Share of profit of associates (62,354,689) 259,733,939 119,665,024 546,750,639 Income tax expenses (123,738,982148,057,982) (206,445,299199,790,965) Profit for the year 538,518,786 992,799,563469,409,654 1,314,584,693 42. RESTATEMENT OF FINANCIAL STATEMENTS During year 2020, the company has retrospectively adjusted the wrong recorded of the fair value of the identifiable assets acquired at the business acquisition as previously recorded. The effect to the financial statements was summarized as follows. Baht Consolidated financial statements As at December 31, 2019 As at January 1, 2019 Statement of financial position Increase in property, plant and equipment 69,762,843 77,435,142 Decrease in goodwill (8,798,660) (8,798,660) Increase (decrease) in deferred tax assets (14,289,783) 68,636,482 Increase (decrease) in deferred tax liabilities (337,215) 15,487,028 Increase in retained earnings - unappropriated 19,137,064 23,904,324 Decrease in other components of equity (1,170,138) (1,170,138) Increase in non-controlling interests in the subsidiaries 29,044,689 30,415,267 Baht Consolidated financial statements The statement of comprehensive income Increase in cost of medical treatment 5,737,483 Increase in administrative expenses 1,934,815 Decrease in income tax expense (1,534,461) Increase (decrease) in profit and loss for the year Profit (loss) attributable to owners of the parent (4,767,259) Profit (loss) attributable to non-controlling interests in the subsidiaries (1,370,578) Decrease in basic earnings per share (0.02)

OPERATING SEGMENT. The Company and its subsidiaries operate in 2 main reportable operating segments in one geographical area, Thailand as follows : Type of operating segment Nature of operating segment Hospital General Hospital, Hospital in Social Security and the National Health Security Office systems Others Rental and Hotel services The operating segment’s performance is regularly reviewed by the chief operating decision maker who is the Executive Directors in order to make decisions about the allocation of resources to the segment and assess its performance. The Company and its subsidiaries assess the performance of the operating segment by using the operating profit or loss as the basis consistent with that used to assess operating profit or loss in the financial statements. Operating segment information for the years ended December 31, 2020 2018 and 2019 2017 were as follows : Baht Consolidated financial statements Hospital Others Total 2020 2019 2020 2019 2020 2019 2018 2017 2018 2017 2018 2017 Revenue from services 5,909,504,131 6,450,680,338 114,944,776 95,213,190 6,024,448,907 6,545,893,528 6,367,334,641 5,983,218,285 106,709,959 118,735,222 6,474,044,600 6,101,953,507 Cost of services (4,406,035,846106,419,603 (4,529,489,838 (4,425,382,098) (4,678,123,9244,042,501,640) (79,845,496104,107,740) ) ) (100,459,102) (4,485,881,342) (4,778,583,0264,148,921,243) Gross profit 1,503,468,285 1,772,556,414 35,099,280 (5,245,912) 1,538,567,565 1,767,310,502 1,941,952,543 1,940,716,645 2,602,219 12,315,619 1,944,554,762 1,953,032,264 Unallocated other income (other expenses) Dividend income expenses) 192,089,968 210,425,919 80,820,750 59,676,559 Gain on sale of investment - 180,526 4,008,054 9,336,195 Other income 121,711,160 116,161,383 96,363,078 100,295,046 Administrative expenses (925,035,511915,851,845) (953,466,030868,969,680) Finance cost (202,720,725159,694,158) (201,101,377153,477,249) Share of profit of associates (62,354,689) 259,733,939 15,623,584 160,952,801 Income tax expenses (123,738,982189,415,821) (206,445,299196,320,703) Profit for the year 538,518,786 992,799,563876,408,404 1,064,525,233