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: Duale Marc A (President, Iron Mountain Intl.)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-10-18	Employee Stock Option (Right to Buy)	$24.2666	A	11042	Acquired	2017-03-01	Common Stock (11042)	Direct
2012-10-18	Employee Stock Option (Right to Buy)	$24.2666	A	11042	Acquired	2019-03-01	Common Stock (11042)	Direct
2012-10-18	Employee Stock Option (Right to Buy)	$25.0925	A	2971	Acquired	2021-03-11	Common Stock (2971)	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.

F3: This non-qualified stock option vests in equal annual installments on March 2 of each year until 2017.

F4: This stock option vests in equal annual installments on March 11 of each year until 2014.