Iron Mountain files updated federal income tax disclosure for REIT qualification

IRON MOUNTAIN INC

Filed Exhibit 99.1 replacing prior descriptions of U.S. federal income tax considerations.
Tax disclosure covers REIT qualification, taxation, and stock ownership/disposition.
Counsel Sullivan & Worcester LLP opines Iron Mountain qualified as a REIT through 2024.
No changes to business operations, financials, or dividend policy announced.
Update is a routine legal filing; no material new information for investors.

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