FOR IMMEDIATE RELEASE:

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

     Iron Mountain Incorporated Announces New Record Date for 8-5/8% Senior
                          Subordinated Notes Due 2013

Boston,  MA--September 12, 2001--Iron  Mountain  Incorporated  (NYSE:  IRM), the
leader in records and information  management services,  announced today that it
shall  establish a special  record date of September 24, 2001 for the October 1,
2001 interest  payment on its 8-5/8%  Senior  Subordinated  Notes due 2013.  The
September 24, 2001 special record date shall apply solely to the October 1, 2001
interest payment date, and supercedes the September 15 record date that normally
applies to October 1 interest payments on the notes.

Iron  Mountain  Incorporated  is the global  leader in records  and  information
management  services.  Iron Mountain currently provides services to over 125,000
customer accounts, including more than half of the Fortune 500, in 77 markets in
the United  States and 44 markets  outside  of the United  States.  The  Company
operates over 625 records  management  facilities in North  America,  Europe and
Latin America.



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