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: REESE C RICHARD (Director, CEO & Executive Chairman)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-10-18	Stock Option (Right to Buy)	$25.3112	A	8469	Acquired	2019-06-04	Common Stock (8469)	Direct
2012-10-18	Stock Option (Right to Buy)	$23.0435	A	6977	Acquired	2020-03-05	Common Stock (6977)	Direct
2012-10-18	Stock Option (Right to Buy)	$25.0925	A	8253	Acquired	2021-03-11	Common Stock (8253)	Direct
2012-10-18	Stock Option (Right to Buy)	$28.4226	A	6042	Acquired	2021-05-06	Common Stock (6042)	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 stock option vests in equal annual installments on March 11 of each year until 2014.

F4: This stock option vests in equal annual installments on May 6 of each year until 2014.