Investor FAQs

Iron Mountain's headquarters are located at One Federal Street, Boston, MA 02110.

Iron Mountain's independent registered public accounting firm is Deloitte & Touche LLP, 200 Berkeley Street, Boston, MA 02116.

Iron Mountain's fiscal year ends on December 31.

Iron Mountain is traded on the NYSE, ticker symbol IRM.

Iron Mountain currently pays dividends on its common stock. Dividends are declared by the Board of Directors and announced via press release. Please visit the Historical Dividends Page under Stock Information for historical dividend information.

Iron Mountain's transfer agent is Computershare. You can reach Computershare by calling 877-897-6892 (inside the US) or 201-680-6578 (outside the US) or by visiting: www.computershare.com/investor

You may address stockholder inquiries related to certificates to the transfer agent at: Iron Mountain, c/o Computershare, P.O. Box 505000 Louisville, KY 40233. Overnight correspondence should be sent to: Computershare, 462 South 4th Street, Suite 1600, Louisville, KY 40202

Effective February 25, 2019, Iron Mountain shareholders may purchase additional shares of common stock through Computershare’s Direct Stock Purchase and Dividend Reinvestment Plan. Visit www.computershare.com to make a stock purchase.

Iron Mountain typically announces quarterly results between 25 and 35 days after the close of the first, second and third calendar quarters, and between 45 and 60 days after the close of the calendar year. Details are typically announced via press release approximately two weeks in advance of each quarterly results release. To ensure you are aware of these details, we encourage you to sign up to receive alerts for news releases.

You may contact Sarah Barry, Manager, Investor Relations, at 617-237-6597.

Iron Mountain operates in more than 50 countries across North America, Latin America, Europe, Africa and the Asia Pacific region.

Iron Mountain's SEC filings, annual reports and quarterly financial information are available on the Investor Relations website under Financial Information.

Iron Mountain's CUSIP number is 46284V101

Iron Mountain does not specifically offer a distribution list, but you may sign up for alerts to be notified of important news. If you would like a physical copy of any reports, please refer to either Information Request, or Contact Us under the Investor Resources section of the website.

You may request a copy of the annual report through the Information Request form found under Investor Resources, or by calling or emailing one of the individuals listed under Contact Us.

The details of the date and location of Iron Mountain's Annual Stockholders Meeting are typically provided each Spring. Proxy materials are made available to stockholders of record either via hard copy or electronically, for those stockholders who have elected to receive materials online.