Common use of INVESTMENTS IN ASSOCIATES Clause in Contracts

INVESTMENTS IN ASSOCIATES. 11.1 Investments in associated companies accounted for using the cost and equity method which consisted of : Paid-up capital (Baht) Proportion of share holding (%) As at September As at December As at September As at December Name of company Type of business Consolidated financial statements / Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 Vibharam Hospital Co., Ltd. Hospital 2,000,000,000 2,000,000,000 33.73 33.73 Thippayabadin Co., Ltd. Trading medical instrument 522,840,000 392,840,000 38.18 38.18 Bangpo General Hospital Co., Ltd. Hospital 350,000,000 350,000,000 28.57 28.57 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. Hospital 89,708,200 89,708,200 11.99 11.99 Pawo Hospital Co., Ltd. Hospital 11,625,750 11,625,750 23.54 23.54 Baht At equity method At cost method As at September As at December As at September As at December Name of company Consolidated financial statements / Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 Vibharam Hospital Co., Ltd. 2,181,979,733 1,690,154,047 1,304,865,248 1,304,865,248 Thippayabadin Co., Ltd. 58,733,456 21,127,292 222,134,000 172,500,000 Bangpo General Hospital Co., Ltd. 334,314,350 318,939,772 300,000,000 300,000,000 Less Allowance for impairment of investments in Thippayabadin Co., Ltd. - - (136,005,080) (136,005,080) Total 1,690,994,168 1,641,360,168 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. 107,483,678 109,516,558 30,882,500 30,882,500 Pawo Hospital Co., Ltd. 21,877,709 10,344,577 29,813,600 29,813,600 Less Allowance for impairment of investments in Pawo Hospital Co., Ltd. - - (7,935,891) (19,469,023) Total 2,704,388,926 2,150,082,246 1,743,754,377 1,682,587,245

INVESTMENTS IN ASSOCIATES. 11.1 Investments in associated companies accounted for using the cost and equity method which consisted of : Paid-up capital (Baht) Proportion of share holding (%) As at September As at December As at September As at December Name of company Type of business 2019 2018 2019 2018 Consolidated financial statements / Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 company Vibharam Hospital Co., Ltd. Hospital 2,000,000,000 2,000,000,000 33.73 33.73 1,654,803,530 1,654,803,530 40.75 40.75 Thippayabadin Co., Ltd. Trading medical instrument 522,840,000 392,840,000 38.18 38.18 450,000,000 450,000,000 33.33 33.33 Bangpo General Hospital Co., Ltd. Hospital 350,000,000 350,000,000 28.57 28.57 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. Hospital 89,708,200 89,708,200 11.99 11.99 Pawo Hospital Co., Ltd. Hospital 11,625,750 11,625,750 23.54 23.54 Baht At equity method At cost method As at September As at December As at September As at December Name of company 2019 2018 2019 2018 Consolidated financial statements / Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 company Vibharam Hospital Co., Ltd. 2,181,979,733 1,690,154,047 1,304,865,248 1,304,865,248 1,844,434,138 1,762,781,223 1,304,865,788 1,304,865,788 Thippayabadin Co., Ltd. 58,733,456 21,127,292 222,134,000 70,726,462 81,845,306 172,500,000 172,500,000 Bangpo General Hospital Co., Ltd. 334,314,350 318,939,772 312,300,353 300,791,832 300,000,000 300,000,000 Less Allowance for impairment Total 1,777,365,788 1,777,365,788 Baht At equity method At cost method Name of investments in Thippayabadin Co., Ltd. - - (136,005,080) (136,005,080) Total 1,690,994,168 1,641,360,168 company 2019 2018 2019 2018 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. 107,483,678 109,516,558 110,655,531 101,804,620 30,882,500 30,882,500 Pawo Hospital Co., Ltd. 21,877,709 10,344,577 15,835,382 13,030,339 29,813,600 29,813,600 Less Allowance for impairment of investments in Pawo Hospital Co., Ltd. - - (7,935,89113,978,218) (19,469,02316,783,261) Total 2,704,388,926 2,150,082,246 1,743,754,377 1,682,587,2452,353,951,866 2,260,253,320 1,824,083,670 1,821,278,627

INVESTMENTS IN ASSOCIATES. 11.1 Investments in associated companies accounted for using the cost and equity method which consisted of : Paid-up capital (Baht) Proportion of share holding (%) As at September As at December As at September As at December Name of company Type of business Consolidated financial statements / statements/Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 Vibharam Hospital Co., Ltd. Hospital 2,000,000,000 2,000,000,000 33.73 33.73 1,654,803,530 1,654,803,530 40.75 40.75 Thippayabadin Co., Ltd. Trading medical instrument 522,840,000 392,840,000 38.18 38.18 450,000,000 450,000,000 33.33 33.33 Bangpo General Hospital Co., Ltd. Hospital 350,000,000 350,000,000 28.57 28.57 Direct associated company 30, 2019 31, 2018 30, 2019 31, 2018 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. Hospital 89,708,200 89,708,200 11.99 11.99 Pawo Hospital Co., Ltd. Hospital 11,625,750 11,625,750 23.54 23.54 Baht At equity method At cost method As at September As at December As at September As at December Name of company 30, 2019 31, 2018 30, 2019 31, 2018 Consolidated financial statements / statements/Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 company Vibharam Hospital Co., Ltd. 2,181,979,733 1,690,154,047 1,304,865,248 1,304,865,248 1,741,570,778 1,762,781,223 1,304,865,788 1,304,865,788 Thippayabadin Co., Ltd. 58,733,456 21,127,292 222,134,000 74,671,489 81,845,306 172,500,000 172,500,000 Bangpo General Hospital Co., Ltd. 334,314,350 318,939,772 307,996,041 300,791,832 300,000,000 300,000,000 Less Allowance for impairment of investments in Thippayabadin Co., Ltd. - - (136,005,080) (136,005,080) Total 1,690,994,168 1,641,360,168 1,777,365,788 1,777,365,788 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. 107,483,678 109,516,558 106,726,161 101,804,620 30,882,500 30,882,500 Pawo Hospital Co., Ltd. 21,877,709 10,344,577 15,888,746 13,030,339 29,813,600 29,813,600 Less Allowance for impairment of investments Investments in Pawo Hospital Co., Ltd. - - (7,935,89113,924,854) (19,469,02316,783,261) Total 2,704,388,926 2,150,082,246 1,743,754,377 1,682,587,2452,246,853,215 2,260,253,320 1,824,137,034 1,821,278,627

INVESTMENTS IN ASSOCIATES. 11.1 Investments in associated companies accounted for using the cost and equity method which consisted of : Paid-up capital (Baht) Proportion of share holding (%) As at September As at December As at September As at December Name of company Type of business As at June 30, 2019 As at December 31, 2018 As at June 30, 2019 As at December 31, 2018 Consolidated financial statements / statements/Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 company Vibharam Hospital Co., Ltd. Hospital 2,000,000,000 2,000,000,000 33.73 33.73 1,654,803,530 1,654,803,530 40.75 40.75 Thippayabadin Co., Ltd. Trading medical instrument 522,840,000 392,840,000 38.18 38.18 450,000,000 450,000,000 33.33 33.33 Bangpo General Hospital Co., Ltd. Hospital 350,000,000 350,000,000 28.57 28.57 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. Hospital 89,708,200 89,708,200 44,854,100 44,854,100 11.99 11.99 Pawo Hospital Co., Ltd. Hospital 11,625,750 11,625,750 23.54 23.54 Baht At equity method At cost method As at September June As at December As at September June As at December Name of company 30, 2019 31, 2018 30, 2019 31, 2018 Consolidated financial statements / statements/Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 company Vibharam Hospital Co., Ltd. 2,181,979,733 1,690,154,047 1,304,865,248 1,304,865,248 1,824,998,523 1,762,781,223 1,304,865,788 1,304,865,788 Thippayabadin Co., Ltd. 58,733,456 21,127,292 222,134,000 78,603,005 81,845,306 172,500,000 172,500,000 Bangpo General Hospital Co., Ltd. 334,314,350 318,939,772 304,420,912 300,791,832 300,000,000 300,000,000 Less Allowance for impairment of investments in Thippayabadin Co., Ltd. - - (136,005,080) (136,005,080) Total 1,690,994,168 1,641,360,168 1,777,365,788 1,777,365,788 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. 107,483,678 109,516,558 101,721,376 101,804,620 30,882,500 30,882,500 Pawo Hospital Co., Ltd. 21,877,709 10,344,577 13,439,596 13,030,339 29,813,600 29,813,600 Less Allowance for impairment of investments Investments in Pawo Hospital Co., Ltd. - - (7,935,89116,374,004) (19,469,02316,783,261) Total 2,704,388,926 2,150,082,246 1,743,754,377 1,682,587,2452,323,183,412 2,260,253,320 1,821,687,884 1,821,278,627

INVESTMENTS IN ASSOCIATES. 11.1 Investments in associated companies accounted for using the cost and equity method which consisted of : Paid-up capital (Baht) Proportion of share holding (%) As at September June As at December As at September June As at December Name of company Type of business Consolidated financial statements / Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 Vibharam Hospital Co., Ltd. Hospital 2,000,000,000 2,000,000,000 33.73 33.73 Thippayabadin Co., Ltd. Trading medical instrument 522,840,000 392,840,000 38.18 38.18 Bangpo General Hospital Co., Ltd. Hospital 350,000,000 350,000,000 28.57 28.57 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. Hospital 89,708,200 89,708,200 11.99 11.99 Pawo Hospital Co., Ltd. Hospital 11,625,750 11,625,750 23.54 23.54 Baht At equity method At cost method As at September June As at December As at September June As at December Name of company Consolidated financial statements / Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 Consolidated financial statements / Separate financial statements Direct associated companies Vibharam Hospital Co., Ltd. 2,181,979,733 1,791,175,917 1,690,154,047 1,304,865,248 1,304,865,248 Thippayabadin Co., Ltd. 58,733,456 60,077,032 21,127,292 222,134,000 172,500,000 Bangpo General Hospital Co., Ltd. 334,314,350 331,723,967 318,939,772 300,000,000 300,000,000 Less Allowance for impairment of investments in Thippayabadin Co., Ltd. - - (136,005,080) (136,005,080) Total 1,690,994,168 1,641,360,168 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. 107,483,678 106,986,895 109,516,558 30,882,500 30,882,500 Pawo Hospital Co., Ltd. 21,877,709 15,003,736 10,344,577 29,813,600 29,813,600 Less Allowance for impairment of investments in Pawo Hospital Co., Ltd. Total - 2,304,967,547 - 2,150,082,246 (7,935,89114,780,877) 1,736,909,391 (19,469,023) Total 2,704,388,926 2,150,082,246 1,743,754,377 1,682,587,245

INVESTMENTS IN ASSOCIATES. 11.1 Investments in associated companies accounted for using the cost and equity method which consisted of : Paid-up capital (Baht) Proportion of share holding (%) As at September March As at December As at September March As at December Name of company Type of business 31, 2021 31, 2020 31, 2021 31, 2020 Consolidated financial statements / Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 company Vibharam Hospital Co., Ltd. Hospital 2,000,000,000 2,000,000,000 33.73 33.73 Thippayabadin Co., Ltd. Trading medical instrument 522,840,000 392,840,000 38.18 38.18 Bangpo General Hospital Co., Ltd. Hospital 350,000,000 350,000,000 28.57 28.57 Ltd.Consolidated financial statements Indirect associated companies Hospital 350,000,000 350,000,000 28.57 28.57 Khelang Nakorn Hospital Co., Ltd. Hospital 89,708,200 89,708,200 11.99 11.99 Pawo Hospital Co., Ltd. Hospital 11,625,750 11,625,750 23.54 23.54 Baht At equity method At cost method As at September March As at December As at September March As at December Name of company 31, 2021 31, 2020 31, 2021 31, 2020 Consolidated financial statements / Separate financial statements Direct associated companies 30, 2021 31, 2020 30, 2021 31, 2020 company Vibharam Hospital Co., Ltd. 2,181,979,733 1,704,960,527 1,690,154,047 1,304,865,248 1,304,865,248 Thippayabadin Co., Ltd. 58,733,456 61,340,201 21,127,292 222,134,000 172,500,000 Bangpo General Hospital Co., Ltd. 334,314,350 319,717,136 318,939,772 300,000,000 300,000,000 Less Allowance for impairment of investments in Thippayabadin Co., Ltd. - - (136,005,080) (136,005,080) Total 1,690,994,168 1,641,360,168 Consolidated financial statements Indirect associated companies Khelang Nakorn Hospital Co., Ltd. 107,483,678 107,476,825 109,516,558 30,882,500 30,882,500 Pawo Hospital Co., Ltd. 21,877,709 15,032,723 10,344,577 29,813,600 29,813,600 Less Allowance for impairment of investments in Pawo Hospital Co., Ltd. - - (7,935,89114,780,877) (19,469,023) Total 2,704,388,926 2,208,527,412 2,150,082,246 1,743,754,377 1,736,909,391 1,682,587,245