NYSE: IRM 34.50 -0.32 (-0.92%) Volume: 1,689,242 March 19, 2019
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Iron Mountain
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Greer Aviv, SVP
Investor Relations

Anjaneya Singh, Director
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Iron Mountain Incorporated Announces Tax Treatment of 2016 Distributions


BOSTON--(BUSINESS WIRE)-- Iron Mountain Incorporated (NYSE: IRM), the storage and information management services company, announced the tax treatment for all 2016 distributions on its common stock.


Record Date




($ per share)


Form 1099
Box 1a

($ per share)


Form 1099
Box 1b

($ per share)


Form 1099

Box 3

Return of

($ per share)

Mar 7, 2016 Mar 21, 2016 $0.485000 $0.305864 $0.062400 $0.179136
Jun 6, 2016 Jun 24, 2016 $0.485000 $0.322698 $0.102114 $0.162302
Sept 12, 2016 Sept 30, 2016 $0.485000 $0.358183 $0.185827 $0.126817
Dec 15, 2016 Dec 30, 2016 $0.550000 $0.346856 $0.070763 $0.203144
Total           $2.005000     $1.333601     $0.421104     $0.671399

(1) Qualified Taxable Dividends is a subset of, and included in, Ordinary Taxable Dividends.

If you held common stock of Iron Mountain in your name at any time during 2016, an IRS Form 1099-DIV will be provided to you by Computershare, Iron Mountain's transfer agent. If you held shares in "street name" during 2016, the IRS form provided by your bank, brokerage firm or nominee may report only the gross distributions paid to you. Therefore, you may need the information included in this press release to properly complete your federal tax return.

This information has been prepared using the best available information to date. Iron Mountain's federal income tax return for the year ended December 31, 2016 has not yet been filed. Please note that federal tax laws affect taxpayers differently, and we cannot advise you on how distributions should be reported on your federal income tax return. Please also note that state and local taxation of REIT distributions vary and may not be the same as the federal rules.

About Iron Mountain
Iron Mountain Incorporated® (NYSE: IRM) is the global leader in storage and information management services. Trusted by more than 220,000 organizations around the world, Iron Mountain’s real estate network comprises more than 85 million square feet across more than 1,400 facilities in 46 countries dedicated to protecting and preserving what matters most for its customers. Iron Mountain’s solutions portfolio includes records management, data management, document management, data centers, art storage and logistics, and secure shredding, helping organizations to lower storage costs, comply with regulations, recover from disaster, and better use their information. Founded in 1951, Iron Mountain stores and protects billions of information assets, including critical business documents, electronic information, medical data and cultural and historical artifacts. Visit for more information.

Source: Iron Mountain

Iron Mountain Incorporated

Investor Relations Contacts:

Melissa Marsden, 617-535-8595

Senior Vice President, Investor Relations


Faten Freiha, 617-535-8404

Director, Investor Relations