Iron Mountain Incorporated Schedules First Quarter 2009 Earnings Release and Conference Call

April 23, 2009

BOSTON--(BUSINESS WIRE)--Apr. 23, 2009-- Iron Mountain Incorporated (NYSE:IRM), the global leader in information protection and storage services, today announced that the press announcement of its first quarter 2009 financial results is scheduled to be released before market hours on Thursday, April 30, 2009. A conference call has been scheduled to discuss the results and a taped replay of the conference call will be available shortly after the end of the call. Call and replay information are as follows:

Call Date: Thursday, April 30, 2009

Call Time: 8:30 A.M. (Eastern Time)

Call Hosts: Stephen Golden , Vice President, Investor Relations; Bob Brennan , President & CEO; Brian McKeon , Executive Vice President & CFO

Domestic Call Dial In: 888-263-0282

International Dial In: 706-902-0708

Conference ID: 93576824

Online Info: www.ironmountain.com at the Investor Relations page

Live Simulcast (listen only) available during the call.

Replay available one hour after the conclusion of the call for one week.

Replay Domestic Dial In: 800-642-1687

Replay International Dial In: 706-645-9291

Conference ID: 93576824

About Iron Mountain:

Iron Mountain Incorporated (NYSE:IRM) helps organizations around the world reduce the costs and risks associated with information protection and storage. The Company offers comprehensive records management and data protection solutions, along with the expertise and experience to address complex information challenges such as rising storage costs, litigation, regulatory compliance and disaster recovery. Founded in 1951, Iron Mountain is a trusted partner to more than 120,000 corporate clients throughout North America, Europe, Latin America and Asia Pacific. For more information, visit the Company's Web site at www.ironmountain.com.

Source: Iron Mountain Incorporated

Iron Mountain Incorporated
Stephen P. Golden, Vice President, Investor Relations
617-535-4769