Iron Mountain Incorporated Upsizes and Prices Debt Offering

Iron Mountain Incorporated (NYSE: IRM) (the "Company"), a global leader in information management services, today announced that it has priced an upsized offering by way of a private placement of $1.2 billion aggregate principal amount of its 6.25% Senior Notes due 2033 (the "Notes"). This represents an increase of $450.0 million in the combined aggregate principal amount of the Notes, from the previously announced amount of $750.0 million. The Notes will be fully and unconditionally guaranteed by the Company’s subsidiaries that are obligors under each series of its existing notes. The Company intends to use the net proceeds from the offering of the Notes to repay a portion of the outstanding borrowings under the Company’s revolving credit facility.

The Notes will not be registered under the Securities Act of 1933, as amended (the "Securities Act"), or under any state securities law, and may not be offered or sold in the United States absent registration or an applicable exemption from, or in a transaction not subject to, the registration requirements of the Securities Act and applicable state securities laws. The Notes are being offered only to persons reasonably believed to be qualified institutional buyers under Rule 144A and to non-U.S. persons outside the United States in compliance with Regulation S under the Securities Act.

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.

About Iron Mountain

Iron Mountain Incorporated (NYSE: IRM) is trusted by more than 240,000 customers in 60 countries, including approximately 95% of the Fortune 1000, to help unlock value and intelligence from their assets through services that transcend the physical and digital worlds. Our broad range of solutions address their information management, digital transformation, information security, data center and asset lifecycle management needs. Our longstanding commitment to safety, security, sustainability and innovation in support of our customers underpins everything we do.

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Investor Relations Contacts:

Mark Rupe SVP, Head of Investor Relations [e-mail]

Erika Crabtree Manager, Investor Relations [e-mail]