IRON MOUNTAIN INC — Director's Dealing 2012

Oct 22, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2012-10-18

Reporting Person: LITTLE ARTHUR D (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-10-18	Stock Option (Right to Buy)	$21.1998	A	1514	Acquired	2020-06-04	Common Stock (1514)	Direct
2012-10-18	Stock Option (Right to Buy)	$17.5150	A	1224	Acquired	2014-05-26	Common Stock (1224)	Direct
2012-10-18	Stock Option (Right to Buy)	$21.9661	A	951	Acquired	2016-05-24	Common Stock (951)	Direct
2012-10-18	Stock Option (Right to Buy)	$24.6996	A	856	Acquired	2017-05-23	Common Stock (856)	Direct
2012-10-18	Stock Option (Right to Buy)	$27.4227	A	901	Acquired	2018-06-05	Common Stock (901)	Direct
2012-10-18	Stock Option (Right to Buy)	$25.3648	A	886	Acquired	2019-06-04	Common Stock (886)	Direct

Footnotes

F1: This report reflects adjustments effective on October 18, 2012 approved by the Board of Directors of the issuer (the "Board") made in connection with a special dividend declared by the Board on October 11, 2012.

F2: This option is fully vested.