Iron Mountain Continues to Advance Its Strategic Agenda by Signing Definitive Agreement to Sell Certain Digital Solutions

Iron Mountain Incorporated (NYSE: IRM), the information management company, continued to
advance its strategic agenda with today’s announcement that it has entered into
a definitive agreement with Autonomy Corporation plc (LSE: AU. or AU.L) under which Autonomy will acquire Iron Mountain’s online
backup & recovery, digital archiving and eDiscovery solutions for $380
million in cash.