Exhibit 99.1



FOR IMMEDIATE RELEASE:


Contact: Stephen P. Golden
         Director of Investor Relations
         (617) 535-4799


    IRON MOUNTAIN INCORPORATED ANNOUNCES PROPOSED $250 MILLION DEBT OFFERING

BOSTON, MA--April 8, 2003--Iron Mountain Incorporated (NYSE: IRM), the leader in
records and information management services, announced today a proposed public
offering of an additional $250 million in aggregate principal amount of its
7-3/4% Senior Subordinated Notes due 2015. The notes to be offered will be
identical to the Company's previously issued 7-3/4% Senior Subordinated Notes
due 2015, and the Company expects to price the notes to reflect current market
interest rates. The Company intends to use the net proceeds from the offering to
fund its offer to purchase and consent solicitation relating to its outstanding
8-3/4% Senior Subordinated Notes due 2009, which was separately announced today,
or to otherwise redeem the 8-3/4% notes, and for general corporate purposes,
including the possible repayment of outstanding borrowings under its revolving
credit facility, the possible repayment of other indebtedness and possible
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 is the world's trusted partner for outsourced records
and information management services. Founded in 1951, the Company has grown to
service more than 150,000 customer accounts throughout the United States,
Canada, Europe and Latin America. Iron Mountain offers records management
services for both physical and digital media, disaster recovery support services
and consulting services - services that help businesses save money and manage
risks associated with legal and regulatory compliance, protection of vital
information, and business continuity challenges. For more information, visit
www.ironmountain.com.




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