Abstract: A security gate for use with an emergency or fire door mounted within an emergency exit wherein the gate is mountable in facing relationship to the door and is constructed to permit the door to be opened while the gate blocks or prevents unauthorized access through the exit to a protected area and wherein the gate includes a member for engaging a touch bar operating mechanism associated with the door to automatically and simultaneously open the door as the gate is opened outwardly from inside the protected area and wherein no modification to the door is necessary.