EXHIBIT 10.1

Identification of Criteria under the 2003 Senior Executive Incentive Plan, as
amended

The Compensation Committee of the Board of Directors (the “Compensation
Committee”) of Iron Mountain Incorporated (the “Company”) established the
criteria that will be used to determine the annual bonus payable to the Chief
Executive Officer of the Company under the Company’s 2003 Senior Executive
Incentive Plan, as amended. The categories of criteria, are as follows: (1)
achieving gross revenue targets, (2) achieving operating income before
depreciation and amortization (OIBDA) targets, and (3) achievement of other
corporate goals. The category “achievement of other corporate goals” includes
various strategic initiatives of the Company. The bonus may be reduced in the
discretion of the Compensation Committee, after consultation with the Chairs of
the Audit and Executive Committees of the Board of Directors, in accordance with
the Company’s 2003 Senior Executive Incentive Plan, as amended.

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