Exhibit 99.1

FOR IMMEDIATE RELEASE:

Contact: John F. Kenny, Jr.
         Executive Vice President and
         Chief Financial Officer
         (617) 535-4799

    IRON MOUNTAIN INCORPORATED ANNOUNCES PROPOSED $100 MILLION DEBT OFFERING


BOSTON, MA--December 16, 2002--Iron Mountain Incorporated (NYSE: IRM), the
global leader in records and information management services, announced today a
proposed public offering of $100 million in aggregate principal amount of Senior
Subordinated Notes due 2015. The Company intends to use the net proceeds from
the offering to fund its offer to purchase and consent solicitation relating to
its outstanding 9-1/8% Senior Subordinated Notes due 2007, which was separately
announced today, or to otherwise redeem the 9-1/8% notes, to repay outstanding
borrowings under its revolving credit facility and for general corporate
purposes, including future acquisitions. The exact terms and timing of the
offering will depend upon market conditions and other factors.

The offering will be made only by means of a prospectus. This announcement shall
not constitute an offer to sell or the solicitation of any offer to buy
securities, nor shall there be any sales of these securities in any state in
which such an offer, solicitation or sale would be unlawful prior to
registration or qualification under the securities laws of any such state.

ABOUT IRON MOUNTAIN

Iron Mountain Incorporated was founded in 1951 as one of the first records
management companies. Today, Iron Mountain is the global leader in records and
information management services, providing services to over 150,000 customer
accounts in 81 markets in the United States and 47 markets outside of the United
States. Its diversified customer base includes more than half of the Fortune 500
and numerous commercial, legal, banking, healthcare, accounting, insurance,
entertainment and government organizations. The Company operates over 650
records management facilities in the United States, Canada, Europe, and Latin
America. For more information, visit www.ironmountain.com.


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