Derivative Warrants | BCH01C2310A | DERIVATIVE CALL WARRANTS ON BANGKOK CHAIN HOSPITAL PUBLIC COMPANY LIMITED ISSUED BY BUALUANG SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN OCTOBER 2023 # A

Derivative Warrants | BCH06C2308A | DERIVATIVE CALL WARRANTS ON BANGKOK CHAIN HOSPITAL PUBLIC COMPANY LIMITED ISSUED BY KIATNAKIN PHATRA SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN AUGUST 2023

Derivative Warrants | BCH06C2305A | DERIVATIVE CALL WARRANTS ON BANGKOK CHAIN HOSPITAL PUBLIC COMPANY LIMITED ISSUED BY KIATNAKIN PHATRA SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN MAY 2023 # A

Derivative Warrants | BCH13C2309A | DERIVATIVE CALL WARRANTS ON BANGKOK CHAIN HOSPITAL PUBLIC COMPANY LIMITED ISSUED BY KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN SEPTEMBER 2023

Derivative Warrants | BCH19C2310A | DERIVATIVE CALL WARRANTS ON BANGKOK CHAIN HOSPITAL PUBLIC COMPANY LIMITED ISSUED BY YUANTA SECURITIES (THAILAND) COMPANY LIMITED LAST TRADING IN OCTOBER 2023 # A

Derivative Warrants | BCH06C2309A | DERIVATIVE CALL WARRANTS ON BANGKOK CHAIN HOSPITAL PUBLIC COMPANY LIMITED ISSUED BY KIATNAKIN PHATRA SECURITIES PUBLIC COMPANY LIMITED LAST TRADING IN SEPTEMBER

Derivative Warrants | BCH13C2307A | DERIVATIVE CALL WARRANTS ON BANGKOK CHAIN HOSPITAL PUBLIC COMPANY LIMITED ISSUED BY KGI SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN JULY 2023 # A

ที่ BCH No.BCH.019/2018 26 February 2018 Subject : Approval of transaction with connected person Attention : The President The Stock Exchange of Thailand The Board of Directors’ Meeting of Bangkok

ที่ BCH No.BCH.019/2018 26 February 2018 Subject : Approval of transaction with connected person (Additional) Attention : The President The Stock Exchange of Thailand The Board of Directors’ Meeting

capital market throughout the value chain to effectively achieve the Net-Zero goal, addressing both national and international objectives. The event took place on 18 June 2024, at the Stock Exchange of