-Dec-17 Gross profit (%) 57.2% 60.6% Current ratio (times) 0.9 1.9 Operating EBITDA (%) 32.1% 38.0% Quick ratio (times) 0.8 1.8 Cash-to-net profit (%) 128.9% 100.9% Account receivable turnover (times

(times) 1.8 3.2 Operating EBITDA (%) 45.4% 41.5% Quick ratio (times) 1.2 2.0 Cash-to-net profit (%) 96.8% 53.9% Account receivable turnover (times) 4.1 3.6 Net profit (excl. NCI) (%) 20.3% 20.8% Average

June 2020 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for the second quarter ended 30 June

Derivative Warrants | NIKKEI41P2603C | DERIVATIVE PUT WARRANTS ON NIKKEI 225 STOCK AVERAGE INDEX ISSUED BY JPMORGAN SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2026 # C | NIKKEI 225 STOCK

Derivative Warrants | NIKKEI41P2603B | DERIVATIVE PUT WARRANTS ON NIKKEI 225 STOCK AVERAGE INDEX ISSUED BY JPMORGAN SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2026 # B | NIKKEI 225 STOCK

Derivative Warrants | NIKKEI41C2603B | DERIVATIVE CALL WARRANTS ON NIKKEI 225 STOCK AVERAGE INDEX ISSUED BY JPMORGAN SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2026 # B | NIKKEI 225 STOCK

Derivative Warrants | NIKKEI41C2603C | DERIVATIVE CALL WARRANTS ON NIKKEI 225 STOCK AVERAGE INDEX ISSUED BY JPMORGAN SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2026 # C | NIKKEI 225 STOCK

Derivative Warrants | NIKKEI41P2603A | DERIVATIVE PUT WARRANTS ON NIKKEI 225 STOCK AVERAGE INDEX ISSUED BY JPMORGAN SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2026 # A | NIKKEI 225 STOCK

Derivative Warrants | NIKKEI41C2603A | DERIVATIVE CALL WARRANTS ON NIKKEI 225 STOCK AVERAGE INDEX ISSUED BY JPMORGAN SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2026 # A | NIKKEI 225 STOCK

Derivative Warrants | NIKKEI28C2603A | DERIVATIVE CALL WARRANTS ON NIKKEI 225 STOCK AVERAGE INDEX ISSUED BY MACQUARIE SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2026 # A | NIKKEI 225 STOCK