IRON MOUNTAIN INC — Director's Dealing 2014

Nov 6, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2014-11-04

Reporting Person: VERRECCHIA ALFRED J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-11-04	Common Stock, par value $.01 per share	A	1074	—	Acquired	11644	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-11-04	Phantom Stock	$	A	962.6644	Acquired		Common Stock (962.6644)	Direct

Footnotes

F1: This report reflects shares received by the Reporting Person as a result of the Reporting Person's receipt of his pro rata portion of a special distribution declared by the Board of Directors of the issuer on September 15, 2014 and paid on November 4, 2014 (the "Special Distribution").

F2: Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock (the "Phantom Shares") become payable in shares of 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.

F3: These shares give effect to dividends paid on common stock as if reinvested in phantom stock.

F4: Includes 355 previously unreported unvested Phantom Shares allocated on November 4, 2014 in connection with the Special Distribution and with respect to certain restricted stock units ("RSUs") granted on May 29, 2014, 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).