IRON MOUNTAIN INC — Director's Dealing 2019

May 24, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2019-05-22

Reporting Person: DENINGER PAUL F (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-22	Common Stock, par value $.01 per share	A	5060	$0.01	Acquired	52771	Direct

Footnotes

F1: Consists of shares issuable upon the settlement of restricted stock units ("RSUs") granted on May 22, 2019. The RSUs vest on the grant date.