Iron Mountain Incorporated (NYSE: IRM), the storage and information management company, today announced a proposed public offering of $450 million in aggregate principal amount of its USD Senior Notes due 2023 (the “U.S. Notes”) and C$300 million in aggregate principal amount of its subsidiary’s (Iron Mountain Canada Operations ULC, or the “Canadian Issuer”) CAD Senior Notes due 2023 (the “Canadian Notes”). The company and the Canadian Issuer intend to use the net proceeds from the offering for the redemption of all of the company’s 8% USD Senior Subordinated Notes due 2018 and 8% USD Senior Subordinated Notes due 2020, for the redemption of the Canadian Issuer’s outstanding 7-1/2% CAD Senior Subordinated Notes due 2017, and to fund the purchase of up to $137.5 million in aggregate principal amount of the company’s 8-3/8% USD Senior Subordinated Notes due 2021 pursuant to a tender offer. The company intends to use the remaining net proceeds to repay existing indebtedness under its revolving credit facility and for general corporate purposes. The exact terms and timing of the offering will depend upon market conditions and other factors. Wells Fargo Securities, BofA Merrill Lynch, J.P. Morgan, Credit Agricole CIB, HSBC, Morgan Stanley and RBS Securities Inc. are the joint bookrunners for the U.S. Notes. Scotiabank, BofA Merrill Lynch, J.P. Morgan, Barclay’s and TD Securities are the joint bookrunners for the Canadian Notes. Iron Mountain is making the offering under an effective shelf registration statement. This offering will be made solely by means of a preliminary prospectus supplement and related base prospectus, copies of which may be obtained on the SEC Web site at www.sec.gov. Alternatively, the underwriters will arrange to send you the preliminary prospectus supplement and related base prospectus if you request them by contacting Wells Fargo Securities, LLC at 550 South, Tryon Street, 7 th Floor MAC D1086-070, Charlotte, NC 28202, Attn: Client Support, via telephone, at (800) 326-5897, or via email at firstname.lastname@example.org. This announcement shall not constitute an offer to sell or the solicitation of an offer to buy securities, nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. This announcement does not constitute a notice of redemption of the Senior Subordinated Notes referred to above or a solicitation of tenders of the 8-3/8% USD Senior Subordinated Notes due 2021.