IRON MOUNTAIN INC — Director's Dealing 2013

Jun 10, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2013-06-06

Reporting Person: VERRECCHIA ALFRED J (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-06-06	Phantom Stock	$	A	3953	Acquired		Common Stock (3953)	Direct
2013-06-06	Phantom Stock	$	A	218.3949	Acquired		Common Stock (218.3949)	Direct

Footnotes

F1: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan with respect to certain restricted stock units ("RSUs") received on June 6, 2013, which RSUs shall vest on the one year anniversary of the grant date (or, if earlier, the annual meeting of stockholders that is closest to the one year anniversary), the shares of phantom stock (the "Phantom Shares") become payable in Iron Mountain Incorporated common stock following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of common stock.

F2: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the Phantom Shares become payable in shares of common stock following the Reporting Person's disability or cessation of service as a director. Each Phantom Share is the economic equivalent of one share of common stock.

F3: These shares give effect to dividends paid on previously reported restricted stock units as if reinvested in Phantom Shares.