Iron Mountain Declares Quarterly Dividend

The Board of Directors (the "Board") of Iron Mountain Incorporated IRM/ASX, the storage and information management company, declared a cash dividend of $0.485 USD per share on the common stock and Chess Depository Interests (CDIs) of the company, to shareholders of record at the close of business on September 12, 2016. The payable date for NYSE listed common stock holders is September 30, 2016 and the payable date for ASX listed CDIs is October 14, 2016. CDI holders will be paid in Australian dollars and the conversion is expected to occur on September 30, 2016.

About Iron Mountain

Iron Mountain Incorporated IRM is the global leader for storage and information management services. Trusted by more than 220,000 organizations around the world, Iron Mountain boasts a real estate network of more than 80 million square feet across more than 1,350 facilities in 45 countries dedicated to protecting and preserving what matters most for its customers. Iron Mountain's solutions portfolio includes records management, data management, document management, data centers, art storage and logistics, and secure shredding help organizations to lower storage costs, comply with regulations, recover from disaster, and better use their information. Founded in 1951, Iron Mountain stores and protects billions of information assets, including critical business documents, electronic information, medical data and cultural and historical artifacts. Visit www.ironmountain.com for more information.

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