Item 7.01. Regulation FD Disclosure.

Iron Mountain Incorporated, or the Company, will host an Investor Event today, September 20, 2022 at 9:00 am Eastern Time. The event will feature management presentations from William L. Meaney, President and Chief Executive Officer, and other members of management. A live webcast of the event and presentation slides will be available at http://investors.ironmountain.com under "Investor Events". A replay of the webcast will also be available on the Company's webpage following the event. The slides to be used by the Company during the event are furnished as Exhibit 99.1. to this Current Report on Form 8-K.

The information in this Item 7.01 and the exhibit attached hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1 Investor Event P resentation (Furnished herewith.)

101 Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

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104 The cover page from this Current Report on Form 8-K, formatted as Inline XBRL.

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