IRON MOUNTAIN INC — Director's Dealing 2017

May 26, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2017-05-24

Reporting Person: RAKOWICH WALTER C (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-24	Common Stock, par value $.01 per share	A	3879	$0.01	Acquired	16626	Direct

Footnotes

F1: Consists of shares issuable upon the settlement of restricted stock units ("RSUs") granted on May 24, 2017. The RSUs vest on the grant date.