Harn Engineering Solutions Public Company Limited acknowledged resignation of Mr. Wirat Sukchai from Managing Director: Fire Protection System Business, Air-conditioning system and sanitary due to in order to the succession plan and to maintain the continuity
of the business, in this regards, still have a position of Director, Chairman of the Executive
Committee, (Acting) Chairman of the Risk Management Committee, (Acting) Managing
Director: Refrigeration System Business, effective from March 1, 2022 onward and appointed appoint Mr. Rattanaphan Mukhariwattananon from Sales Director: Fire Protection System Business, Air-conditioning system and sanitary to be Chief Marketing
Officer: Fire Protection System Business, Air-conditioning system and sanitary, effective
from March 1, 2022 onward.