THE RAMPAGE from EXILE TRIBE will hold an event called 'THE RAMPAGE from EXILE TRIBE 5th Anniversary Special Event' on September 12 in Tokyo. 

Everyone became official members of THE RAMPAGE back on September 12, 2014 during the event 'Musha Shugyou Final' at Shinkiba STUDIO COAST. 'THE RAMPAGE from EXILE TRIBE 5th Anniversary Special Event' will be held to commemorate exactly five years since the group's formation. More details will be announced later.

Source: natalie