ISDN Holdings Limited announced that as part of the group's restructuring exercise, Mr. Chow Ka Man (Mr. Chow), an executive officer of the Group, the vice president of Hong Kong operations will cease to be an executive officer of the Group, effective April 1, 2022. Mr. Chow will remain as the vice president of Hong Kong operations of Servo Dynamics (H.K.) Limited after his cessation as the executive officer of the Group.