IRON MOUNTAIN INC — Director's Dealing 2017

May 8, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2017-05-04

Reporting Person: Bicks Edward (Sr VP & Chief Strategy Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-04	Common Stock, par value $.01 per share	G	4243	—	Disposed	0	Direct
2017-05-04	Common Stock, par value $.01 per share	G	4243	—	Acquired	4243	Indirect

Footnotes

F1: This transaction is being reported to reflect the transfer of all of the Reporting Person's shares of Iron Mountain Incorporated common stock to The Edward T. Bicks Living Trust dated October 27, 2015 (the "Trust"), of which the Reporting Person is a co-trustee and of which the Reporting Person and the Reporting Person's wife and descendants are beneficiaries.

F2: Shares held by the Trust.