IRON MOUNTAIN INC /DE
S-4, 1998-11-23
PUBLIC WAREHOUSING & STORAGE
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    As filed with the Securities and Exchange Commission on November 23, 1998
                                                   Registration No. 333-       

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                              --------------------

                                    FORM S-4
             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                              ---------------------
                           IRON MOUNTAIN INCORPORATED
             (Exact name of registrant as specified in its charter)
<TABLE>
<CAPTION>
<S>                                      <C>                                 <C>

            DELAWARE                                 4226                                 04-3107342
(State or other jurisdiction of          (Primary Standard Industrial        (I.R.S. Employer Identification No.)
 incorporation or organization)           Classification Code Number)
</TABLE>

                      745 ATLANTIC AVENUE, BOSTON, MA 02111
                                 (617) 535-4766
    (Address, including zip code, and telephone number, including area code,
                  of registrant's principal executive offices)
                              --------------------
                                C. Richard Reese
                            Chairman of The Board of
                      Directors and Chief Executive Officer
                           Iron Mountain Incorporated
                               745 Atlantic Avenue
                                Boston, MA 02111
                                 (617) 535-4766
       (Name, address, including zip code, and telephone number, including
                        area code, of agent for service)
                              --------------------

                                    Copy to:
                           Susan Forest Barrett, Esq.
                            Sullivan & Worcester LLP
                             One Post Office Square
                                Boston, MA 02109
                                 (617) 338-2800

         Approximate  date of commencement of proposed sale to the public:  From
time to time as soon as practicable  after this  Registration  Statement becomes
effective.
         If the  securities  being  registered on this Form are being offered in
connection  with the formation of a holding company and there is compliance with
General Instruction G, check the following box. |_|
         If this form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the  Securities  Act,  check the following box and
list the Securities Act registration  statement number of the earlier  effective
registration statement for the same offering. |_|
         If this  form is a  post-effective  amendment  filed  pursuant  to Rule
462(d) under the Securities Act, check the following box and list the Securities
Act  registration   statement  number  of  the  earlier  effective  registration
statement for the same offering. |_|
<TABLE>
<CAPTION>
                                                   CALCULATION OF REGISTRATION FEE

Title of Each Class of Securities to  Amount to be      Proposed Maximum Offering          Proposed Maximum            Amount of
          be Registered                Registered          Price Per Share (1)       Aggregate Offering Price (1)  Registration Fee
          -------------                ----------          -------------------       ----------------------------  ----------------
     <S>                               <C>                      <C>                         <C>                    <C>
          Common Stock,
     Par Value $.01 per share           1,488,508                $28.8125                    $42,887,636             $11,922.77(2)
</TABLE>

(Footnotes provided on following page)
                             ----------------------
    If, as a result of stock splits,  stock  dividends or similar  transactions,
the  number  of  securities  purported  to be  registered  on this  Registration
Statement  changes,  the provisions of Rule 416 shall apply to this Registration
Statement.
    The  Registrant  hereby amends this  Registration  Statement on such date or
dates as may be necessary to delay its effective date until the Registrant  will
file a  further  amendment  which  specifically  states  that  the  Registration
Statement will  thereafter  become  effective in accordance with Section 8(a) of
the Securities Act of 1933, as amended, or until the Registration Statement will
become effective on such date as the Securities and Exchange Commission,  acting
pursuant to Section 8(a), may determine.
<PAGE>


(1)      The shares are to be offered at prices not presently determinable.  The
         offering price is estimated  solely for the purpose of calculating  the
         registration  fee pursuant to Rule 457(c) under the  Securities  Act of
         1933, as amended, using the average high and low prices reported on the
         Nasdaq National Market on November 16, 1998.

(2)      Pursuant  to  Rule  429(a)  of the  rules  and  regulations  under  the
         Securities Act of 1933, as amended, the Prospectus filed herein relates
         to the shares of Common Stock  registered  hereby and to the  remaining
         1,011,492   shares  of  Common   Stock   included   in  Iron   Mountain
         Incorporated's Registration Statement on Form S-4 (File No. 333-44187).
         The amount of the filing fee associated  with such  securities that was
         previously paid with such registration statement was $10,472.50.

The Prospectus contained herein is a combined Prospectus pursuant to Rule 429(a)
of the rules and regulations under the Securities Act of 1933, as amended, which
also  relates to  1,011,492  shares of Common  Stock  included in Iron  Mountain
Incorporated's Registration Statement on Form S-4 (File No. 333-44187).

<PAGE>
                              Subject to Completion
                 Preliminary Prospectus Dated November 23, 1998

PROSPECTUS


                                2,500,000 Shares
                           Iron Mountain Incorporated
                                  Common Stock
                             ----------------------

         This Prospectus  relates to the issuance from time to time of shares of
common  stock of Iron  Mountain  Incorporated  in an  aggregate  amount of up to
2,500,000 shares. The terms of each issuance are to be determined at the time of
each offering.

         We will  offer  the  common  stock  directly  in  connection  with  the
acquisition  of the assets  of, or  ownership  interests  in,  certain  entities
involved  in the  same  or  similar  lines  of  business  as  ours or any of our
subsidiaries.  We will negotiate the terms of an acquisition  with the owners or
controlling persons of the assets or ownership interests we seek to acquire.

         We expect that the common stock issued in any such  acquisition will be
valued at a price  reasonably  related to the market value of our common  stock,
either at the time the terms of the acquisitions are tentatively agreed upon, at
or about the time of the closing of the acquisitions,  or during a set period or
periods prior to the closing of the acquisitions.

         Our common stock is traded on the Nasdaq  National  Market System under
the symbol "IMTN." Our principal  executive  offices are located at 745 Atlantic
Avenue, Boston, Massachusetts 02111. Our telephone number is (617) 535-4766.

         We do not  expect  to pay  underwriting  discounts  or  commissions  in
connection with each offering.

                             ----------------------

         See "RISK  FACTORS"  at page 5 for certain  information  that should be
considered by prospective investors.


Neither  the  Securities  and  Exchange  Commission  nor  any  state  securities
commission has approved or  disapproved  of these  securities or passed upon the
adequacy or accuracy of this Prospectus. Any representation to the contrary is a
criminal offense.
                             ----------------------

               The date of this Prospectus is ______________,1998.

The  information in this  Prospectus is not complete and may be changed.  We may
not sell  these  securities  until the  registration  statement  filed  with the
Securities and Exchange Commission is effective. This Prospectus is not an offer
to  sell  these  securities  and it is not  soliciting  an  offer  to buy  these
securities in any state where the offer or sale is not permitted.
<PAGE>

         You should rely only on the  information  incorporated  by reference or
provided in this Prospectus.  We have not authorized  anyone else to provide you
with different  information.  We are not making an offer of these  securities in
any  jurisdiction  where  it  is  unlawful.  You  should  not  assume  that  the
information in this Prospectus is accurate as of any date other than the date on
the front of this document.

                             -----------------------


                                TABLE OF CONTENTS

                                                                   Page
About This Prospectus                                                3
Where You Can Find Additional Information                            3
Incorporation of Certain Documents by Reference                      3
The Company                                                          4
The Acquisitions                                                     4
Risk Factors                                                         5
Selected Consolidated Financial and Operating Information            11
Description of Capital Stock                                         13
Delaware General Corporation Law and Certain Provisions
  of the Restated Certificate of Incorporation and the By-laws       15
Legal Matters                                                        17
Experts                                                              17


                             -----------------------


         This   Prospectus   incorporates   important   business  and  financial
information  about Iron Mountain that is not included in or delivered  with this
document.  You may obtain this  information at no cost by writing or telephoning
us at the following address:

                               John F. Kenny, Jr.
                          Executive Vice President and
                             Chief Financial Officer
                           Iron Mountain Incorporated
                               745 Atlantic Avenue
                           Boston, Massachusetts 02111
                                 (617) 535-4766

         To obtain timely delivery, you must request the information by no later
than five business days before you must make your investment decision.


                                        2

<PAGE>

ABOUT THIS PROSPECTUS

     This Prospectus is part of a registration  statement that we filed with the
SEC using a "shelf" registration process with respect to the common stock. Under
this shelf process we may sell, in one or more  offerings,  shares of our common
stock up to a total of 2,500,000 shares. This Prospectus does not contain all of
the  information  contained  in the  Registration  Statement.  Accordingly,  for
further information  concerning Iron Mountain and the common stock, reference is
also made to the Registration Statement. Statements in this Prospectus regarding
the contents of any contract or other document are not necessarily complete, and
in each instance reference is made to the copy of the contract or other document
filed as an exhibit to the Registration Statement.


WHERE YOU CAN FIND ADDITIONAL INFORMATION

     We are subject to the informational requirements of the Securities Exchange
Act of 1934, as amended, and, accordingly,  file annual,  quarterly, and current
reports,  proxy  statements and other  information with the SEC. You can inspect
and obtain  copies of the  Registration  Statement,  the exhibits and  schedules
which  form a  part  of the  Registration  Statement,  and  the  reports,  proxy
statements and other  information filed by us with the SEC, at prescribed rates,
at the public  reference  facilities  maintained by the SEC at Judiciary  Plaza,
Room 1024, 450 Fifth Street, N.W.,  Washington,  D.C. 20549. Please call the SEC
at 1-800-SEC-0330 for further  information on the public reference room. The SEC
maintains a World Wide Web site that  contains  reports,  proxy and  information
statements and other information regarding registrants, including Iron Mountain,
that  file   electronically   with  the  SEC.   The   address  of  the  site  is
http://www.sec.gov.


INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

     The SEC allows us to  "incorporate  by reference"  the  information we file
with them,  which means that we can  disclose  important  information  to you by
referring you to those documents.  The information  incorporated by reference is
considered to be part of this Prospectus,  and later  information filed with the
SEC will update and supersede this information.  We incorporate by reference the
documents  listed  below  and any  future  filings  made  with the SEC (File No.
0-27584)  under Section  13(a),  13(c),  14 or 15(d) of the Exchange Act of 1934
until our offering is completed.

     o    Annual  Report on Form 10-K for the  fiscal  year ended  December  31,
          1997;

     o    Quarterly  Reports on Form 10-Q for the quarters ended March 31, 1998,
          June 30, 1998 and September 30, 1998;

     o    Current  Reports on Form 8-K dated January 6, 1998,  February 18, 1998
          (amended  April 7, 1998),  March 9, 1998,  March 30,  1998,  April 21,
          1998, July 10, 1998 (amended  August 7, 1998),  September 18, 1998 and
          November 23, 1998;

     o    The  description  of the common stock  contained  in our  Registration
          Statement on Form 8-A dated January 18, 1996;

     o    The financial  statements for Safesite Records Management  Corporation
          included in File No. 333-24635,  filed with the Commission on April 4,
          1997, as amended on May 7, 1997 and May 13, 1997, as made effective by
          the SEC on May 14, 1997,  and the  unaudited  financial  statements of
          Safesite Records  Management  Corporation as of March 31, 1997 and for
          the three months ended

                                        3

<PAGE>

          March 31, 1996 and 1997 contained in the Current Report on Form 8- K/A
          dated August 26, 1997;

     o    The  financial   information  for  Security   Archives  of  Minnesota,
          Wellington  Financial  Services,  Inc.,  Concorde Group, Inc. and Neil
          Tucker Trust, and Data Securities International, Inc. contained in the
          Current Report on Form 8-K dated October 30, 1997; and

     o    The  financial   information  for  Records   Retention/FileSafe,   LP,
          Allegiance   Business   Archives,   Ltd.,   and  HIMSCORP,   Inc.  and
          Subsidiaries  contained  in the  Current  Report  on  Form  8-K  dated
          November 25, 1997.


THE COMPANY

     Iron Mountain is America's largest records management  company, as measured
by its revenues. We are a national,  full-service provider of records management
and  related  services,  enabling  customers  to  outsource  records  management
functions. We have a diversified customer base, which includes more than half of
the Fortune 500 and numerous commercial, legal, banking, healthcare, accounting,
insurance,  entertainment and government  organizations.  We provide storage and
related  services for all major media,  including  paper (the  dominant  form of
record storage), computer disk and tapes, microfilm and microfiche, master audio
and video tapes,  film and optical disks,  X-rays and blueprints.  The principal
services provided to our storage customers include courier pick-up and delivery,
filing,  retrieval and destruction of records,  database management,  customized
reporting  and disaster  recovery  support.  We also sell storage  materials and
provide consulting,  facilities management,  information technology staffing and
other outsourcing services.

     Iron  Mountain  was  incorporated  in Delaware in 1990 but its  predecessor
operations  date from 1951. Our principal  executive  offices are located at 745
Atlantic  Avenue,  Boston,  Massachusetts  02111.  Our telephone number is (617)
535-4766.


THE ACQUISITIONS

     We will offer the common stock  registered  hereby in  connection  with our
acquisitions  of records  management  companies and companies that offer related
services.  The  consideration  for acquisitions will consist of shares of common
stock, cash, notes or other evidences of indebtedness, guarantees, assumption of
liabilities,  tangible or  intangible  property,  or a combination  thereof,  as
determined  from  time to time by  negotiations  between  us and the  owners  or
controlling  persons of the assets or ownership  interests  to be  acquired.  In
addition,  we may lease  property  from and enter into  management or consulting
agreements  and  non-competition  agreements  with  the  former  owners  and key
executive personnel of the businesses to be acquired.

     We will  consider  the  following  factors,  among  others,  when we decide
whether to acquire a business:  (1) the quality and  reputation of the business,
(2) the  assets,  liabilities,  results  of  operations  and cash  flows for the
business,  (3) the quality of its  management  and  employees,  (4) its earnings
potential, (5) the geographic locations of the business and (6) the market value
of our common stock when pertinent.


                                        4
<PAGE>

RISK FACTORS

     Before you invest in our common  stock,  you should be aware that there are
various risks,  including those described below.  You should consider  carefully
these risk factors  together  with all of the other  information  included in or
incorporated  into this  Prospectus  before you decide to purchase shares of our
common stock.

     Some of the information  contained in or incorporated  into this Prospectus
may include forward-looking statements. Such statements can be identified by the
use  of   forward-looking   terminology   such  as  "may,"   "will,"   "expect,"
"anticipate,"  "believe" or other similar words.  These  statements  discuss our
current expectations, goals, beliefs and plans regarding the financial condition
or results of operations of Iron Mountain or other non-historical facts.

     By  their  nature,  such  forward-looking   statements  include  risks  and
uncertainties. When considering such forward-looking statements, you should keep
in mind the risk factors set forth below and the cautionary  statements included
elsewhere in this  Prospectus or in documents  that are  incorporated  into this
Prospectus. Such risk factors and other factors identified in this Prospectus or
in the documents  that are  incorporated  into this  Prospectus  could cause our
actual results to differ  materially  from those expressed in or implied by such
forward-looking  statements. If we revise any of our forward-looking  statements
to reflect future events or  circumstances,  we will not always publicly release
our revised statements.

Risks Associated with Acquisition Strategy

     As part of our growth strategy, we have acquired,  and expect to acquire in
the future,  records management  businesses and businesses that provide services
related to records management.  This growth strategy involves certain risks, and
we may be unable to pursue such a strategy in the future. For example, we may be
unable to:

     o    identify suitable companies to acquire;

     o    arrange  suitable  financing  to  provide us with the funds to acquire
          such companies; or

     o    incur  additional debt necessary to acquire such companies,  if we are
          unable to pay the purchase price out of working  capital or to pay all
          or part of the  purchase  price with our common  stock or other equity
          securities.

     The success of any completed  acquisition depends in part on our ability to
integrate  effectively the acquired  company into Iron Mountain.  The process of
integrating such acquired businesses may involve unforeseen difficulties and may
require  a  disproportionate  amount  of  our  management's  attention  and  our
financial and other  resources.  We may be unable to successfully  integrate our
recent acquisitions or possible future acquisitions.

     The  lenders  under  our  credit   agreement   must   pre-approve   certain
acquisitions. If we propose to acquire one company for a purchase price over $65
million or if we propose to acquire  multiple  companies in a given year and the
aggregate purchase price exceeds $150 million in cash and other consideration or
$100 million in cash, then lenders holding 51% or more of the commitments  under
our credit agreement must approve such acquisition or acquisitions.  The lenders
could withhold their consent on acquisitions that Iron Mountain proposes to make
in excess of such limits.

     Our operating results may fluctuate  substantially  from quarter to quarter
due to the size, timing and integration of possible future

                                        5

<PAGE>

acquisitions.  As a result,  operating  results for any quarter may not indicate
the results that may be achieved for any subsequent fiscal quarter or for a full
fiscal year.

Competition

     We compete with one or more  records  management  service  providers in all
geographic areas where we operate.  We believe that competition for customers is
based on price,  reputation  for  reliability,  quality of service and scope and
scale of technology  and that we generally  compete  effectively  based on these
factors.  As a result of this competition,  the records management  industry has
for the past several years  experienced  downward  pricing  pressures.  While we
believe that this pricing climate is stabilizing,  prices could decline further,
as competitors  seek to gain or preserve market share. A further  downward trend
in pricing, if it continues for an extended period of time, could materially and
adversely affect our results of operations.

     Iron  Mountain  also  competes  for  companies  to  acquire.  Some  of  our
competitors  may possess  greater  financial and other resources than us. If any
such competitor were to devote  additional  resources to the records  management
business  and such  acquisition  candidates  or  focused  its  strategy  on Iron
Mountain's markets, our results of operations could be adversely affected.

     In addition,  we compete with the internal records management capability of
our current and potential  customers.  We can provide no  assurances  that these
organizations will use an outside company such as Iron Mountain for their future
records management. In addition, such organizations could bring in-house some or
all of the functions they currently outsource to Iron Mountain.

Alternative Technologies

     We derive  most of our  revenues  from the storage of paper  documents  and
related services. Such storage requires significant physical space.  Alternative
technologies  for  generating,  capturing,  managing,  transmitting  and storing
information  exist, many of which require  significantly  less space than paper.
Such technologies include computer media,  microforms,  CD-ROM and optical disk.
To date,  none of these  technologies  has replaced paper as the principal means
for  storing  information.  However,  we can  provide  no  assurances  that  our
customers  will  continue  to store  most of their  records in paper  format.  A
significant  shift by our customers to storage of data through  non-paper  based
technologies  (whether now existing or developed in the future) could  adversely
affect our business.

Financial Leverage; Debt Service Requirements

     We have a significant level of debt due to the substantial  indebtedness we
have incurred  primarily to finance  acquisitions and expand our operations.  We
expect to continue to borrow  under our credit  agreement  and  possible  future
credit  arrangements in order to finance  possible future  acquisitions  and for
general corporate purposes.

     Our ability to make  principal  and interest  payments on our  indebtedness
depends upon our future  operating  results,  which we cannot  entirely  control
because they are tied to both internal and external forces.  Our high debt level
could have important consequences, including the following:

     o    we may not be able to obtain  additional  financing for future working
          capital needs or for possible future acquisitions or other purposes;


                                        6
<PAGE>

     o    the required  payments of principal  and interest on our  indebtedness
          may reduce funds available for other purposes;

     o    we may be vulnerable to a downturn in our operating performance;

     o    we may be more sensitive to adverse  economic  conditions than some of
          our competitors; and

     o    we may be limited in our ability to withstand competitive pressures.

     Our debt  service  absorbs  a  substantial  portion  of our cash  flow from
operations.  We  believe,  but can  provide no  assurances,  that cash flow from
operations in  conjunction  with  borrowings  from existing and possible  future
credit  facilities  will be sufficient for the  foreseeable  future to meet debt
service  requirements  and to make  possible  future  acquisitions  and  capital
expenditures.  Moreover,  borrowings under the credit agreement bear interest at
rates that  fluctuate.  Any increases in interest rates on borrowings  under the
credit agreement increases our debt service payments.  If our cash flow were not
sufficient to meet our debt service  requirements  or payments of principal,  we
could  be  required  to  sell  additional  equity   securities,   refinance  our
obligations  or  dispose  of assets in order to make  scheduled  payments.  Iron
Mountain  may  not be  able  to  effect  any of  such  transactions  or do so on
favorable terms.

Casualty

     We  maintain  comprehensive  liability,   fire,  flood,  earthquake  (where
appropriate) and extended coverage insurance with respect to the properties that
we own or lease,  to the extent such  insurance  is  available  on  commercially
reasonable  terms,  with customary limits and  deductibles.  We will continue to
maintain  such  insurance.  We  may be  unable  to  obtain  full  coverage  on a
cost-effective  basis for some  casualties,  such as  earthquakes,  or we may be
unable to obtain any insurance for certain losses, such as losses from riots. In
the past we have suffered  damages and losses from an  earthquake  and a riot in
California, which were substantially covered by insurance.

     In March 1997, three fires extensively damaged one and destroyed another of
our records management facilities in South Brunswick Township,  New Jersey. Some
of our  customers or their  insurance  carriers  have  asserted  claims or filed
lawsuits  against us as a consequence  of the  destruction of or damage to their
records due to the fires.  We cannot  predict  the  outcome of these  claims and
proceedings.   Based  on  our  present   assessment  of  the  situation,   after
consultation  with legal  counsel,  we do not believe  that the outcome of these
claims and  lawsuits  will have a  material  adverse  effect on Iron  Mountain's
financial  condition  or  results  of  operations,  although  we can  provide no
assurances in this regard.

     In the future, should uninsured losses or damages occur, we could lose both
our  investment  in and  anticipated  profits  and cash flow  from the  affected
property and may continue to be obligated on any leasehold obligations, mortgage
indebtedness or other obligations related to such property.  Any such loss could
materially adversely affect our financial condition or results of operations.

History of Losses; EBITDA Objective

     In the  past,  our  results  of  operations  have  resulted  in net  losses
applicable  to  common  stockholders.  We  attribute  such  losses  in  part  to
significant  non-cash  charges against income for  depreciation and amortization
expenses  associated  with  expansion  of  our  storage  capacity  and  goodwill
amortization  associated  with  acquisitions  accounted  for under the  purchase
method.  We incur these  non-cash  charges  because of our growth  strategy.  In
addition, in the past, two extraordinary

                                        7
<PAGE>

expenses  negatively  impacted net income applicable to common  stockholders:  a
charge for  accretion  of a redeemable  put warrant and a charge  related to the
early  retirement of debt in 1996. We redeemed the put warrant in February 1996,
upon  completion  of our initial  public  offering.  In the  future,  our growth
strategy  could result in further net losses due to increased  interest  expense
associated with borrowings under our credit agreement and possible future credit
arrangements and increased depreciation and amortization expenses.

     Iron  Mountain's  primary  financial  objective is to increase its earnings
before  interest,  taxes,  depreciation,  amortization and  extraordinary  items
("EBITDA"),  which  is a  source  of  funds  to  service  indebtedness  and  for
investment  in  continued  internal  growth  and  growth  through  acquisitions.
Increasing net income and net income  applicable to common  stockholders  is not
our focus. In the past, we have experienced a growth in EBITDA, while net losses
applicable to common stockholders have increased. Based on our experience in the
records  management  industry,  we believe that EBITDA is an important  tool for
measuring the performance of records management  companies  (including potential
acquisition targets) in several areas, such as liquidity,  operating performance
and leverage.

     In  addition,  lenders  use EBITDA as a  criterion  in  evaluating  records
management companies. Our financing agreements contain covenants in which EBITDA
is  the  measure  of  financial   performance.   Other   measures  of  financial
performance,   such  as  net  income  and  net  income   applicable   to  common
stockholders,  have been negatively  affected by our pursuit of increased EBITDA
and may be negatively affected in the future.

Anti-Takeover   Effect  of  Certain  Provisions  of  Iron  Mountain's   Restated
Certificate of Incorporation, By-Laws and the Notes Indentures

     Certain provisions of our Restated Certificate of Incorporation and By-Laws
could have the effect of discouraging or precluding acquisition of control of us
by a third  party  and  could  render  the  consummation  of  certain  types  of
transactions  involving  an  actual  or  potential  change  in  control  of Iron
Mountain, such as a merger, tender offer or proxy contest, more difficult.

     Staggered  Board.  The Board of Directors is divided into three  classes of
Directors,  elected on a  staggered  basis (one class per year).  A third  party
would have to successfully  elect its directors at two consecutive  stockholders
meetings at which  directors  were elected in order to replace a majority of the
members of the Board.  This means that  existing  management  would control Iron
Mountain during such period.

     Preferred  Stock.  The Board may issue up to 2,000,000  shares of preferred
stock  without  stockholder  approval.  The  Board may  determine  the terms and
conditions  of any issuance of preferred  stock and the rights,  privileges  and
preferences  (including  the right to vote and the right to convert  into common
stock) of the preferred stock.

     Restrictions on Transfer.  The By-Laws prohibit the transfer by the holders
of  approximately  2,200,000  shares of common  stock  that were  issued by Iron
Mountain in one  acquisition.  The  restrictions  on transfer  expire in January
1999. A significant portion of such shares are held by an affiliate.

     Mandatory  Redemption  of Notes.  Iron Mountain  currently has  outstanding
$165,000,000 in aggregate  principal amount of 10 1/8% Senior Subordinated Notes
due 2006 issued in October 1996 and $250,000,000 in

                                        8
<PAGE>

aggregate  principal amount of 8 3/4% Senior  Subordinated Notes due 2009 issued
in October  1997.  If a change of control of Iron  Mountain  (as  defined in the
indentures  for  the  Notes)  occurs,  we  must  offer  to  purchase  all of the
outstanding  Notes at a purchase price, in cash,  equal to 101% of the principal
amount  thereof  plus  accrued  and  unpaid  interest,  if any,  to the  date of
purchase. We can provide no assurances that we would be able to obtain the funds
for such a  redemption  through a  refinancing  of the Notes to be  purchased or
otherwise,  or that the purchase would be permitted under our credit  agreement.
Also,  the  requirement  that we make an offer to purchase all of the Notes then
outstanding  in the event of a change of  control  may deter a third  party from
effecting a transaction that would constitute a change of control.

Control by Principal Stockholders

     The voting power held by certain of our large  stockholders  may discourage
certain types of transactions involving an actual or potential change of control
of Iron Mountain,  including  transactions  in which the holders of common stock
might  otherwise  receive a premium for their  shares over  then-current  market
prices. In addition,  such stockholders'  voting power gives them the ability to
significantly  affect the election of Directors of Iron  Mountain  who, in turn,
control the management and affairs of Iron Mountain.

Environmental Matters

     Various federal,  state and local environmental laws impose liability on an
owner of real  estate  for the costs of  investigation  and  cleanup of soil and
groundwater  contaminated by certain hazardous substances or wastes or petroleum
products.  These laws also impose liability on lessees conducting  operations on
contaminated  real  estate.  Some of these  environmental  laws  impose  cleanup
liability  without regard to whether the owner or operator of the real estate or
operations knew of or was responsible for the contamination.  Moreover,  some of
these laws impose liability  whether or not operations at the property have been
discontinued  or title to the property has been  transferred.  In addition,  the
presence of contamination, or the failure to properly cleanup such property, may
adversely affect the current  property owner's or operator's  ability to sell or
rent such property or to borrow using such property as collateral. Third parties
may make claims against the owner or operator of contaminated  real estate based
on damages and costs resulting from off-site migration of the contamination.

     Certain environmental laws govern the removal, encapsulation or disturbance
of asbestos-containing  materials. Such laws may impose liability for release of
asbestos-containing  materials  and may  enable  third  parties to sue owners or
operators of real estate for personal  injury  associated  with exposure to such
substances. Certain of our facilities contain or may contain asbestos-containing
materials,  but we believe that such  materials are in  acceptable  condition at
this time. We believe that future costs related to any removal or  encapsulation
of asbestos-containing materials at our facilities will not be material.

     In addition,  certain of our current and former  properties  that we now or
formerly owned or operated were previously used for industrial or other purposes
that involved the use or storage of hazardous  substances or petroleum  products
or the generation  and disposal of hazardous  wastes.  In some  instances  these
properties  included the operation of underground  storage tanks.  Iron Mountain
may be potentially liable for environmental costs such as those discussed above.

     We have from time to time conducted  limited  environmental  investigations
and remedial activities at certain of our former and

                                        9

<PAGE>

current facilities,  but we have not undertaken an in-depth environmental review
of all of our properties.

     We  believe  that we are in  substantial  compliance  with  all  applicable
material  environmental  laws.  Moreover,  we are  not  aware  of  any  material
liability  relating to contamination at any of our current or former properties.
We cannot,  however, rule out the possibility that environmental  conditions for
which Iron  Mountain  might be liable exist at such  properties or at properties
which we may acquire in future  acquisitions.  In  addition,  future  regulatory
action and environmental laws may impose costs for environmental compliance that
do not exist today.  These future events could have a material adverse effect on
our financial condition and results of operations.

No Intention to Pay Dividends

     We have never  declared or paid cash  dividends  on our capital  stock.  We
intend to retain future  earnings for use in our business and do not  anticipate
declaring  or  paying  any cash  dividends  on  shares  of  common  stock in the
foreseeable future. In addition,  we are currently restricted under the terms of
our credit  agreement and the  indentures for the Notes from declaring or paying
cash dividends on our common stock.


                                       10
<PAGE>
            SELECTED CONSOLIDATED FINANCIAL AND OPERATING INFORMATION
                    (In thousands, except per share amounts)

         We derived the following selected consolidated statements of operations
and  balance  sheet data of Iron  Mountain as of and for each of the years ended
December  31,  1993,  1994,  1995,  1996 and 1997 from our audited  consolidated
financial statements.  We have restated this selected consolidated financial and
operating  information  to reflect a  three-for-two  stock split effected in the
form of a stock dividend on our common stock, which was approved by the Board on
June 30,  1998.  Shares  of common  stock  were  issued on July 31,  1998 to all
stockholders  of record as of the close of business on July 17, 1998. We derived
the selected  consolidated  statements of  operations  and balance sheet data of
Iron  Mountain as of and for the nine months ended  September  30, 1997 and 1998
from our unaudited condensed  consolidated  financial statements.  Our unaudited
condensed consolidated financial statements include all adjustments,  consisting
of normal recurring accruals, that we consider necessary for a fair presentation
of the  financial  position  and the results of  operations  for those  periods.
Operating  results  for  the  nine  months  ended  September  30,  1998  are not
necessarily  indicative  of the results for the entire year ending  December 31,
1998.  You  should  read  the  selected  consolidated  financial  and  operating
information  set forth  below in  conjunction  with our  Consolidated  Financial
Statements  and  the  Notes  thereto   incorporated  by  reference  herein.  See
"Incorporation of Certain Documents by Reference."
<TABLE>
<CAPTION>
                                                                                                              Nine Months  
                                                                Year Ended December 31,                     Ended September 30,     
                                                    ----------------------------------------------------  ----------------------
                                                     1993       1994       1995       1996          1997        1997         1998
                                                    -------   -------    --------   --------     --------     --------     --------
<S>                                                <C>       <C>        <C>        <C>          <C>          <C>          <C>
Consolidated Statements of Operations Data:
Revenues:
   Storage ......................................   $48,892   $54,098    $ 64,165   $ 85,826     $125,968     $ 86,199     $168,046
   Service and Storage Material Sales ...........    32,781    33,520      40,271     52,892       82,797       57,195      142,461
                                                    -------   -------    --------   --------     --------     --------     --------
     Total Revenues .............................    81,673    87,618     104,436    138,718      208,765      143,394      310,507
Operating Expenses:
   Cost of Sales (Excluding Depreciation) .......    43,054    45,880      52,277     70,747      106,879       73,742      162,609
   Selling, General and Administrative ..........    19,971    20,853      26,035     34,342       51,668       35,682       76,666
   Depreciation and Amortization ................     6,789     8,690      12,341     16,936       27,107       18,495       36,225
                                                    -------   -------    --------   --------     --------     --------     --------
     Total Operating Expenses ...................    69,814    75,423      90,653    122,025      185,654      127,919      275,500
                                                    -------   -------    --------   --------     --------     --------     --------
Operating Income ................................    11,859    12,195      13,783     16,693       23,111       15,475       35,007
Interest Expense ................................     8,203     8,954      11,838     14,901       27,712       17,631       34,228
Other Income(5) .................................      --        --          --         --           --           --          1,700
                                                    -------   -------    --------   --------     --------     --------     --------
Income (Loss) Before Provision (Credit)
   for Income Taxes .............................     3,656     3,241       1,945      1,792       (4,601)      (2,156)       2,479
Provision (Credit) for Income Taxes .............     2,088     1,957       1,697      1,435          (80)        (346)       4,123
                                                    -------   -------    --------   --------     --------     --------     --------
Income (Loss) Before Extraordinary Charge .......     1,568     1,284         248        357       (4,521)      (1,810)      (1,644)
Extraordinary Charge, Net of Tax Benefit(1)......      --        --          --        2,126         --           --           --
                                                    -------   -------    --------   --------     --------     --------     --------
Net Income (Loss) ...............................     1,568     1,284         248     (1,769)      (4,521)      (1,810)      (1,644)
Accretion of Redeemable Put Warrant .............       940     1,412       2,107        280         --           --           --
                                                    -------   -------    --------   --------     --------     --------     --------
Net Income (Loss) Applicable to Common
   Stockholders .................................   $   628   $  (128)   $ (1,859)  $ (2,049)    $ (4,521)    $ (1,810)    $ (1,644)
                                                    =======   =======    ========   ========     ========     ========     ========
Income (Loss) per Common Share:
Basic:
   Income (Loss) Before Extraordinary Charge......  $  9.10   $ (0.40)   $ (32.61)  $   0.00     $  (0.26)    $  (0.11)    $  (0.06)
   Extraordinary Charge, Net of Tax Benefit (1)...     --        --          --        (0.15)        --           --           --
                                                    -------   -------    --------   --------     --------     --------     --------
   Net Income (Loss) Applicable to Common
      Stockholders ...............................  $  9.10   $ (0.40)   $ (32.61)  $  (0.15)    $  (0.26)    $  (0.11)    $  (0.06)
                                                    =======   =======    ========   ========     ========     ========     ========
   Weighted Average Common Shares Outstanding ....       69       321          57     13,911       17,172       16,359       26,848
                                                    =======   =======    ========   ========     ========     ========     ========
Diluted:
   Income (Loss) Before Extraordinary Charge......  $  0.05   $ (0.40)  $  (32.61)  $   0.00     $  (0.26)    $  (0.11)    $  (0.06)
   Extraordinary Charge, Net of Tax Benefit(1)....     --        --          --        (0.15)        --           --           --
                                                    -------   -------    --------   --------     --------     --------     --------
   Net Income (Loss) Applicable to Common
      Stockholders ...............................  $  0.05   $ (0.40)   $ (32.61)  $  (0.15)    $  (0.26)    $  (0.11)    $  (0.06)
                                                    =======   =======    ========   ========     ========     ========     ========
   Weighted Average Common Shares Outstanding.....   12,101       321          57     13,911       17,172       16,359       26,848
                                                    =======   =======    ========   ========     ========     ========     ========
                                       11
<PAGE>
<CAPTION>
                                                                                                                   Nine Months  
                                                                Year Ended December 31,                         Ended September 30,
                                                    -----------------------------------------------------    ----------------------
                                                     1993       1994       1995       1996          1997        1997         1998
                                                    -------   -------    --------   --------     --------     --------     --------
<S>                                                <C>       <C>        <C>        <C>          <C>          <C>          <C>
Pro Forma(6):
   Net Income (Loss) Applicable to Common 
      Stockholders................................  $  0.08   $ (0.01)   $  (0.16)  $  (0.13)    $  (0.26)    $  (0.11)    $  (0.06)
                                                    =======   =======    ========   ========     ========     ========     ========
   Weighted Average Common Shares Outstanding.....   12,101    11,976      11,676     15,206       17,172       16,359       26,848
                                                    =======   =======    ========   ========     ========     ========     ========
Other Data:
EBITDA(2) .......................................   $18,648   $20,885    $ 26,124   $ 33,629     $ 50,218     $ 33,970     $ 71,232
EBITDA as a Percentage of Total Revenues ........      22.8%     23.8%       25.0%      24.2%        24.1%        23.7%        22.9%
Capital Expenditures:
   Growth (3)(4) ................................   $13,605   $15,829    $ 14,395   $ 23,334     $ 37,082     $ 20,074     $ 36,259
   Maintenance ..................................     1,846     1,151         858      1,112        1,238          544          960
                                                    -------   -------    --------   --------     --------     --------     --------
Total Capital Expenditures(4) ...................   $15,451   $16,980    $ 15,253   $ 24,446     $ 38,320     $ 20,618     $ 37,219
                                                    =======   =======    ========   ========     ========     ========     ========
Additions to Customer Acquisition Costs..........   $   922   $ 1,366    $  1,379   $  1,642     $  1,635     $    688     $  2,326

<CAPTION>                                                                                 
                                                               As of December 31,                       As of     
                                               ----------------------------------------------------  September 30,
                                                 1993       1994       1995       1996       1997       1998
                                               ---------  --------   --------   --------   --------  -------------
<S>                                           <C>        <C>        <C>        <C>        <C>        <C>
Consolidated Balance Sheet Data:
Cash and Cash Equivalents ......               $    591   $  1,303   $  1,585   $  3,453   $ 24,510   $    522
Total Assets ...................                125,288    136,859    186,881    281,799    636,786    894,706
Total Debt .....................                 78,460     86,258    121,874    184,733    428,018    443,189
Stockholders' Equity ...........                 24,047     22,869     21,011     52,384    137,733    340,460
                                          
<FN>
(first and fifth footnotes from the preceding page)

(1)  The  extraordinary  charge for 1996 relates to the early retirement of certain debt and consists of a prepayment  penalty,  the
     write-off of deferred financing costs, original issue discount and loss on termination of interest rate protection agreements.
(2)  Based on our experience  in the records  management  industry,  we believe that EBITDA is an important  tool for measuring the
     performance of records management  companies  (including  potential  acquisition  targets) in several areas, such as liquidity,
     operating performance and leverage. In addition,  lenders use EBITDA as a criterion in evaluating records management companies,
     and  substantially  all of our  financing  agreements  contain  covenants  in which  EBITDA is used as a measure  of  financial
     performance.  However,  EBITDA should not be considered an  alternative to operating or net income (as determined in accordance
     with GAAP) as an indicator of our  performance or to cash flow from  operations  (as  determined in accordance  with GAAP) as a
     measure of liquidity.
(3)  Growth capital expenditures consist primarily of investments in racking systems,  management information systems, new buildings
     and improvements to existing facilities.
(4)  Includes $2,901 in 1994 related to the cost of constructing a records  management  facility which was sold in a  sale-leaseback
     transaction in the fourth quarter of 1994.
(5)  Other income for the nine month  period ended  September  30, 1998 is  comprised  of a $1.7  million  gain  resulting  from the
     settlement of several insurance claims related to the March 1997 fires at our South Brunswick Township,  New Jersey
     facilities.
(6)  Represents pro forma earnings per share as if the preferred  stock that was converted into common stock in connection  with our
     initial public offering had been converted for all periods presented.
</FN>
</TABLE>


                                                        12

<PAGE>

DESCRIPTION OF CAPITAL STOCK

     The following  description  of our capital stock and certain  provisions of
our Restated  Certificate of Incorporation and our By-Laws is only a summary and
is  qualified  in its  entirety by  reference  to the  Restated  Certificate  of
Incorporation and the By-Laws.

     Our  authorized  capital  stock  consists of  100,000,000  shares of common
stock, 1,000,000 shares of nonvoting common stock, par value $.01 per share, and
2,000,000  shares of  preferred  stock,  $.01 par value per share.  No shares of
preferred stock have been issued.  There were 29,291,033  shares of common stock
held by 343 holders of record and no shares of nonvoting common stock issued and
outstanding as of November 20, 1998.

Common Stock

     The rights of holders of the common  stock and the  nonvoting  common stock
are identical in all respects except voting and convertibility.

     Dividends. Holders of record of shares of common stock and nonvoting common
stock on the record date fixed by the Board of Directors are entitled to receive
such  dividends as may be declared by the Board out of funds  legally  available
for such  purpose.  No dividends  may be declared or paid in cash or property on
any share of either class,  however,  unless simultaneously the same dividend is
declared  or paid on each  share of the  other  class.  In the case of any stock
dividend,  holders of each class are  entitled  to receive  the same  percentage
dividend (payable in shares of that class).

     We are currently restricted under the terms of our credit agreement and the
indenture  for our  outstanding  senior  subordinated  notes  from  paying  cash
dividends on the common stock and nonvoting common stock.  Even if funds were to
be available, we do not intend to pay dividends in the foreseeable future.

     Voting  Rights.  Except  as  otherwise  required  by law,  on  each  matter
submitted  for a vote of  stockholders,  holders  of shares of common  stock are
entitled to one vote per share and  holders of  nonvoting  common  stock are not
entitled to vote.

     Under the Restated Certificate of Incorporation,  the vote of holders of at
least  662/3% of the voting  power of all  outstanding  shares of capital  stock
entitled to vote  generally in the election of Directors,  voting  together as a
single  class,  is required to amend or repeal the  provisions  of the  Restated
Certificate of Incorporation  authorizing the preferred stock,  common stock and
nonvoting  common  stock or  specifying  the terms of the  common  stock and the
nonvoting  common  stock  (including  any  amendment  to increase  any shares of
authorized  capital stock).  Certain other provisions also require such a 662/3%
vote.  See  "Delaware  General  Corporation  Law and Certain  Provisions  of the
Restated  Certificate of Incorporation and the By-Laws." There are no cumulative
voting rights in the election of the Board of Directors.

     Conversion  Provisions.  Shares of nonvoting  common stock may be converted
into  shares  of  common  stock at any time at the  option  of the  holder  on a
share-for-share  basis  without  the  payment of any  additional  consideration.
However,  the  conversion  of any shares of  nonvoting  common  stock by a "bank
holding  company" under the Bank Holding Company Act of 1956, as amended,  or an
affiliate of a "bank holding  company" is  prohibited  if the  conversion of the
total number of shares of nonvoting common stock held by such holder would cause
it to be in violation of the Bank Holding Company Act.

     Liquidation  Rights.  Upon  liquidation,  dissolution or winding-up of Iron
Mountain,

                                       13
<PAGE>

the holders of common  stock and  nonvoting  common  stock are entitled to share
ratably  (based on the  number  of  shares  held) in all  assets  available  for
distribution  after  payment  in full of  creditors  and  payment in full to any
holders of preferred  stock then  outstanding of any amount  required to be paid
under the terms of the preferred stock.

     Other  Provisions.  The  outstanding  shares of common stock and  nonvoting
common stock are validly issued,  fully paid and  nonassessable.  In any merger,
consolidation  or  business  combination,  holders of each  class  will  receive
identical consideration,  except that in any such transaction in which shares of
stock are distributed,  such shares may differ as to voting rights to the extent
that voting  rights now differ  between the two  classes.  Neither  class may be
subdivided,   consolidated,    reclassified   or   otherwise   changed   unless,
concurrently,  the other  class is  subdivided,  consolidated,  reclassified  or
otherwise changed in the same proportion and in the same manner.

     The Transfer  Agent and Registrar for the common stock is Boston  Equiserve
Limited Partnership,  150 Royall Street, Canton,  Massachusetts 02021 (telephone
number (781) 575-2000).

     The Board of  Directors  has the power to issue  shares of  authorized  but
unissued  common stock and nonvoting  common stock without  further  stockholder
action.  The holders of common stock and nonvoting common stock are not entitled
to preemptive or  subscription  rights.  The issuance of any currently  unissued
shares  could have the effect of diluting  the earnings per share and book value
per share of currently outstanding shares of common stock.

Preferred Stock

     The  authorized and unissued  shares of preferred  stock may be issued with
such designations,  preferences, limitations and relative rights as the Board of
Directors may authorize including, but not limited to:

     o    the  distinctive  designation  of each series and the number of shares
          that will constitute such series;

     o    the voting rights, if any, of shares of such series;

     o    the  dividend  rate on the  shares of such  series,  any  restriction,
          limitation or condition  upon the payment of such  dividends,  whether
          dividends  shall be cumulative,  and the dates on which  dividends are
          payable;

     o    the prices at which, and the terms and conditions on which, the shares
          of such series may be redeemed, if such shares are redeemable;

     o    the purchase or sinking fund  provisions,  if any, for the purchase or
          redemption of shares of such series;

     o    any  preferential  amount  payable  upon  shares of such series in the
          event of the  liquidation,  dissolution or winding-up of Iron Mountain
          or the distribution of its assets; and

     o    the  price  or  rates  of  conversion  at  which,  and the  terms  and
          conditions  on which the shares of such series may be  converted  into
          other securities, if such shares are convertible.

     We currently have no intention to issue shares of preferred stock. However,
the issuance of preferred stock, or the issuance of rights to purchase preferred
stock, could discourage an unsolicited  acquisition proposal. If we issue shares
of preferred stock in the future, the rights of holders of common stock

                                       14
<PAGE>

will be subject to, and may be  adversely  affected by, the rights of holders of
any preferred stock.


DELAWARE  GENERAL  CORPORATION  LAW  AND  CERTAIN  PROVISIONS  OF  THE  RESTATED
CERTIFICATE OF INCORPORATION AND THE BY-LAWS

     The Restated  Certificate of Incorporation  and the By-Laws contain certain
provisions  that could  delay or make more  difficult  the  acquisition  of Iron
Mountain  by  means of a tender  offer,  a proxy  contest  or  otherwise.  These
provisions,  as described  below,  are expected to  discourage  certain types of
coercive  takeover  practices  and  inadequate  takeover  bids and to  encourage
persons seeking to acquire control of Iron Mountain first to negotiate with Iron
Mountain. We believe that the benefits of increased protection of our ability to
negotiate with the proponent of an unfriendly or unsolicited proposal to acquire
or restructure Iron Mountain  outweigh the  disadvantages  of discouraging  such
proposals  because,  among  other  things,  negotiations  with  respect  to such
proposals could result in an improvement of their terms.

Classified Board of Directors

     The Restated  Certificate of  Incorporation  and the By-Laws  provide for a
Board of Directors  that is divided into three classes of  Directors,  as nearly
equal in number as possible, with the term of each class expiring in a different
year.  The By-Laws  provide that the number of Directors will be fixed from time
to time  exclusively  by the Board of  Directors,  but shall consist of not more
than fifteen nor less than three Directors. The classified Board of Directors is
intended to promote  continuity  and  stability of our  management  and policies
since a majority of the  Directors at any given time will have prior  experience
as  Directors  of Iron  Mountain.  Such  continuity  and  stability  facilitates
long-range  planning of our  business  and  ensures the quality of our  business
operations.  The  classification  of Directors  has the effect of making it more
difficult  to change the  composition  of the Board of  Directors.  At least two
annual  stockholder  meetings,  instead of one,  would be  required  to effect a
change in the majority control of the Board of Directors, except in the event of
vacancies  resulting  from removal (in which case the remaining  Directors  will
fill the vacancies created by the removal). See "--Removal of Directors; Filling
Vacancies on the Iron Mountain Board."

Removal of Directors; Filling Vacancies on the Iron Mountain Board

     Our  Restated  Certificate  of  Incorporation  and By-Laws  provide  that a
Director  may be removed by the  stockholders  only for cause at any time during
such  Director's  term of office by affirmative  vote of the holders of at least
80% of the voting power.

     The By-Laws and the Restated Certificate of Incorporation both provide that
a vacancy on the Board of Directors,  including a vacancy created by an increase
in the size of the  Board of  Directors  by the  Directors,  may be  filled by a
majority of the remaining  Directors or by a sole remaining  Director,  or if no
Directors  remain,  then  by  the  stockholders.  The  Restated  Certificate  of
Incorporation  also provides that any Director elected by the Board of Directors
to replace another Director of a given class of Directors will hold office until
the next election of that Director's class.  These provisions are to ensure that
a  third  party  would  be  precluded  from  removing  incumbent  Directors  and
simultaneously  gaining  control  of the  Board  of  Directors  by  filling  the
vacancies created by such removal with its own nominees.  Moreover,  even if the
holders of the  outstanding  common stock were to vote to remove  Directors  for
cause,  only the remaining  Directors would have the power to fill the vacancies
created by such removal, unless such vote provided for the removal of the entire
Board of Directors for cause.

                                       15
<PAGE>

Amendment of Certain Provisions of the Restated Certificate of Incorporation and
the By-Laws

     The  Restated   Certificate  of  Incorporation   and  the  By-Laws  contain
provisions  requiring the affirmative  vote of the holders of at least 662/3% of
the voting power to amend  certain  provisions  of the Restated  Certificate  of
Incorporation and the By-Laws.  This  supermajority  voting provision applies to
(1) the provisions of the Restated  Certificate of  Incorporation  setting forth
the  capitalization  of Iron  Mountain,  (2)  the  provisions  authorizing  Iron
Mountain to release its Directors  from any liability for monetary  damages as a
result of any breach of their fiduciary duties, with certain exceptions mandated
by the  Delaware  General  Corporation  Law  (the  "DGCL"),  (3) the  provisions
allowing for the  indemnification of officers and Directors of Iron Mountain and
(4) the supermajority voting provision.

     In addition,  the Restated  Certificate of Incorporation  provides that the
By-Laws may be amended  only by a majority of the full Board of  Directors or by
the stockholders  holding at least 662/3% of the voting power. The DGCL provides
that by-laws may not be amended by a corporation's board of directors unless the
corporation's  certificate of incorporation expressly authorizes such amendments
by the board of directors.  Our Restated  Certificate of Incorporation  includes
such a provision. Under the Restated Certificate of Incorporation,  at least 80%
of the voting power is required to approve amendments to those provisions of the
ByLaws (1) establishing a classified Board, (2) specifying  notice  requirements
for   stockholder   nominations  of  Directors,   (3)  limiting  the  rights  of
stockholders to remove or nominate  Directors or to bring business before annual
meetings of  stockholders,  (4) filling  vacancies on the Board of Directors and
(5) providing for limitations on calling special meetings of the stockholders.

Stockholder Actions and Meetings

     Our Restated Certificate of Incorporation  provides that stockholder action
may be taken only at an annual or special meeting of stockholders  and prohibits
stockholder  action  by  written  consent  in lieu of a  meeting.  The  Restated
Certificate  of  Incorporation  and ByLaws  provide  that  special  meetings  of
stockholders can be called by the Chairman of the Board of Directors, if any, or
the Board of Directors  pursuant to a  resolution  approved by a majority of the
members of the Board of Directors. The business permitted to be conducted at any
special meeting of  stockholders  is limited to the business  brought before the
meeting by the Board of  Directors.  The  By-Laws  set forth an  advance  notice
procedure  with regard to the  nomination,  other than by or at the direction of
the Board of Directors,  of candidates for election as Directors and with regard
to business brought before an annual meeting of our stockholders.

Delaware Anti-Takeover Statute

     Subject to certain  exceptions set forth  therein,  Section 203 of the DGCL
provides that a corporation  shall not engage in any business  combination  with
any "interested  stockholder"  for a three-year  period  following the date that
such  stockholder  becomes an  interested  stockholder  unless (1) prior to such
date,  the board of directors of the  corporation  approved  either the business
combination  or the  transaction  that resulted in the  stockholder  becoming an
interested  stockholder,  (2) upon consummation of the transaction that resulted
in  the  stockholder   becoming  an  interested   stockholder,   the  interested
stockholder  owned  at  least  85%  of  the  voting  stock  of  the  corporation
outstanding at the time the transaction  commenced (excluding certain shares) or
(3) on or subsequent to such date,  the business  combination is approved by the
board of directors of the corporation  and by the  affirmative  vote of at least
662/3% of the  outstanding  voting  stock  which is not owned by the  interested
stockholder.

                                       16

<PAGE>

     Except as specified therein,  an interested  stockholder is defined to mean
any person that (a) is the owner of 15% or more of the outstanding  voting stock
of the  corporation or (b) is an affiliate or associate of the  corporation  and
was the owner of 15% or more of the outstanding  voting stock of the corporation
at any time within three years  immediately  prior to the relevant  date, or any
affiliate  or  associate  of  such  person  referred  to in (a)  or (b) of  this
sentence.

     Under  certain  circumstances,  Section  203  of the  DGCL  makes  it  more
difficult for an interested  stockholder to effect various business combinations
with a  corporation  for a  three-year  period.  However,  stockholders  may, by
adopting an amendment  to the  corporation's  certificate  of  incorporation  or
by-laws, elect not to be governed by this section, effective twelve months after
adoption.  The  Restated  Certificate  of  Incorporation  and the By-Laws do not
exclude us from the  restrictions  imposed  under Section 203 of the DGCL. It is
anticipated  that the  provisions  of  Section  203 of the  DGCL  may  encourage
companies interested in acquiring Iron Mountain to negotiate in advance with the
Board of Directors.


LEGAL MATTERS

     The validity of the shares of common stock offered by this  Prospectus have
been passed upon for us by Sullivan & Worcester LLP, Boston, Massachusetts. Jas.
Murray Howe,  Secretary of Iron Mountain,  is of counsel to Sullivan & Worcester
LLP and beneficially owns 15,000 shares of common stock.

EXPERTS

     The  consolidated  financial  statements  and  schedule  of  Iron  Mountain
Incorporated  and its  subsidiaries for the three years ended December 31, 1997,
included in Iron  Mountain's  Annual  Report on Form 10-K,  have been audited by
Arthur  Andersen  LLP,  independent  public  accountants,  as indicated in their
reports with  respect  thereto,  and are  incorporated  by  reference  herein in
reliance upon the authority of said firm as experts in giving said reports.

     The  financial  statements  of Security  Archives of Minnesota for the year
ended December 31, 1996,  included in Iron Mountain's Current Report on Form 8-K
dated October 30, 1997,  have been audited by Arthur  Andersen LLP,  independent
public accountants,  as indicated in their report with respect thereto,  and are
incorporated by reference  herein in reliance upon the authority of said firm as
experts in giving said report.

     The financial  statements of Wellington  Financial  Services,  Inc. for the
year ended December 31, 1996, included in Iron Mountain's Current Report on Form
8-K  dated  October  30,  1997,  have  been  audited  by  Arthur  Andersen  LLP,
independent  public  accountants,  as  indicated  in their  report with  respect
thereto, and are incorporated by reference herein in reliance upon the authority
of said firm as experts in giving said report.

     The  financial  statements  and  schedule  of Safesite  Records  Management
Corporation  for the three  years  ended  December  31,  1996,  included in Iron
Mountain's  Registration  Statement on Form S-4 (file no.  333-24635,  effective
date May 14, 1997), have been audited by Arthur Andersen LLP, independent public
accountants,  as  indicated  in their  reports  with  respect  thereto,  and are
incorporated by reference  herein in reliance upon the authority of said firm as
experts in giving said reports.


                                       17

<PAGE>

     The financial  statements of Concorde Group, Inc. and Neil Tucker Trust for
the year ended December 31, 1996,  included in Iron Mountain's Current Report on
Form 8-K dated October 30, 1997,  have been audited by Fisher,  Schacht & Oliver
LLP,  independent public accountants,  as indicated in their report with respect
thereto, and are incorporated by reference herein in reliance upon the authority
of said firm as experts in giving said report.

     The financial  statements of Data  Securities  International,  Inc. for the
year ended December 31, 1996, included in Iron Mountain's Current Report on Form
8-K  dated  October  30,  1997,  have  been  audited  by  Arthur  Andersen  LLP,
independent  public  accountants,  as  indicated  in their  report with  respect
thereto, and are incorporated by reference herein in reliance upon the authority
of said firm as experts in giving said report.

     The  financial  statements  of Records  Retention/FileSafe,  LP for the two
years ended  December 31, 1996,  included in Iron  Mountain's  Current Report on
Form 8-K dated November 25, 1997, have been audited by Abbott Stringham & Lynch,
independent  public  accountants,  as  indicated  in their  report with  respect
thereto, and are incorporated by reference herein in reliance upon the authority
of said firm as experts in giving said report.

     The financial statements of Allegiance Business Archives, Ltd. for the year
ended December 31, 1996,  included in Iron Mountain's Current Report on Form 8-K
dated  November 25, 1997,  have been audited by Stout,  Causey & Horning,  P.A.,
independent  public  accountants,  as  indicated  in their  report with  respect
thereto, and are incorporated by reference herein in reliance upon the authority
of said firm as experts in giving said report.

     The consolidated  financial  statements of HIMSCORP,  Inc. and Subsidiaries
for the period  February  1, 1995 to  December  31,  1995 and for the year ended
December 31, 1996, appearing in Iron Mountain's Current Report on Form 8-K dated
November 25, 1997,  have been audited by Ernst & Young LLP,  independent  public
accountants,  as  indicated  in their  report   with  respect  thereto,  and are
incorporated by reference  herein in reliance upon the authority of said firm as
experts in giving said report.

     The consolidated  financial statements of Arcus Technology  Services,  Inc.
for the  years  ended  December  31,  1997 and 1996  and the five  months  ended
December  31, 1995 and the  consolidated  financial  statements  of Arcus,  Inc.
(Predecessor  Company) for the seven  months  ended July 31, 1995,  appearing in
Iron  Mountain's  Current  Report on Form 8-K  dated  March 9,  1998,  have been
audited by Ernst & Young LLP,  independent public  accountants,  as indicated in
their report with  respect  thereto,  and  incorporated  by reference  herein in
reliance upon the authority of such firm as experts in giving said report.

     The financial statements of National Underground Storage,  Inc. for the two
years ended  December 31, 1997,  included in Iron  Mountain's  Current Report on
Form 8-K dated July 10, 1998 (as amended  August 7, 1998),  have been audited by
Carbis Walker & Associates, LLP, independent public accountants, as indicated in
their report  with respect thereto,  and are incorporated by reference herein in
reliance upon the authority of said firm as experts in giving said report.

     The financial  statements of Midwest Records  Management for the year ended
December 31, 1997,  included in Iron Mountain's Current Report on Form 8-K dated
September 18, 1998, have been audited by Arthur Andersen LLP, independent public
accountants,  as  indicated  in their  report   with  respect  thereto,  and are
incorporated by reference  herein in reliance upon the authority of said firm as
experts in giving said report.


                                       18

<PAGE>



     The financial  statements of Sloan Vaults,  Inc. and Affiliate for the year
ended December 31, 1997,  included in Iron Mountain's Current Report on Form 8-K
dated September 18, 1998, have been audited by Arthur Andersen LLP,  independent
public accountants,  as indicated in their report  with respect thereto, and are
incorporated by reference  herein in reliance upon the authority of said firm as
experts in giving said report.

     The financial  statements of InterMation,  Inc. for the year ended December
31, 1997, included in Iron Mountain's Current Report on Form 8-K dated September
18,  1998,  have  been  audited  by  Arthur  Andersen  LLP,  independent  public
accountants,  as  indicated  in their  report   with  respect  thereto,  and are
incorporated by reference  herein in reliance upon the authority of said firm as
experts in giving said report.




                                       19

<PAGE>

                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 20.  Indemnification of Directors and Officers.

         Section  145 of the  Delaware  General  Corporation  Law  (the  "DGCL")
provides, in effect, that any person made a party to any action by reason of the
fact that he is or was a Director,  officer,  employee or agent of Iron Mountain
may and, in certain cases, must be indemnified by Iron Mountain against,  in the
case of a non-derivative  action,  judgments,  fines, amounts paid in settlement
and reasonable expenses (including  attorney's fees) incurred by him as a result
of  such  action,  and in the  case of a  derivative  action,  against  expenses
(including  attorney's fees), if in either type of action he acted in good faith
and in a manner  he  reasonably  believed  to be in or not  opposed  to the best
interests of Iron Mountain. This indemnification does not apply, in a derivative
action,  to  matters  as to which it is  adjudged  that the  Director,  officer,
employee  or agent is liable to Iron  Mountain,  unless  upon court  order it is
determined that, despite such adjudication of liability,  but in view of all the
circumstances of the case, he is fairly and reasonably entitled to indemnity for
expenses,  and, in a non-derivative  action, to any criminal proceeding in which
such person had reasonable cause to believe his conduct was unlawful.

         Article Sixth of Iron Mountain's Restated  Certificate of Incorporation
provides that Iron Mountain shall indemnify each person who is or was an officer
or Director of Iron Mountain to the fullest  extent  permitted by Section 145 of
the DGCL.

         Article   Seventh   of  Iron   Mountain's   Restated   Certificate   of
Incorporation  states that no Director of Iron Mountain  shall be liable to Iron
Mountain or its  stockholders  for monetary damages for breach of fiduciary duty
as a  Director,  except to the extent that  exculpation  from  liability  is not
permitted under the DGCL as in effect when such breach occurred.


Item 21.  Exhibits

         Exhibits  indicated below are incorporated by reference to documents of
Iron  Mountain on file with the  Securities  and  Exchange  Commission.  Exhibit
numbers in parentheses  refer to the exhibit  numbers in the applicable  filing.
All other exhibits are filed herewith.
<TABLE>
<CAPTION>
Exhibit No.                       Item                                         Exhibit
- -----------                       ----                                         -------
  <S>           <C>                                                          <C>
    2.1          Agreement and Plan of Merger, dated as of                      (2.2)7
                 September  26,  1997,  by and among  Iron                  
                 Mountain,  Arcus Group, United Acquisition                 
                 Company and Arcus  (collectively, the "Arcus               
                 Parties")                                                  

   2.1A          Amendment No. 1 to Agreement and Plan of                       (2.1A)9
                 Merger, dated as of November 25, 1997, by and              
                 among Iron Mountain and each of the Arcus                  
                 Parties                                          


                                      II-1

<PAGE>
   2.2          Agreement and Plan of Merger, dated as of                       (2)4
                February 19, 1997, by and among Iron Mountain,                 
                IM-1 Acquisition Corp. and Safesite Records                    
                Management Corporation                                         

   2.3          Amendment No. 1 to Agreement and Plan of                        (2A)5
                Merger, dated as of April 1, 1997, by and among                
                Iron Mountain, IM-1 Acquisition Corp. and                      
                Safesite Records Management Corporation                        

   2.4          Amendment No. 2 to Agreement and Plan of                        (2B)5
                Merger, dated as of May 7, 1997, by and among                 
                Iron Mountain, IM-1 Acquisition Corp. and                     
                Safesite Records Management Corporation                       

   2.5          Agreement and Plan of Merger, dated as of                       (2.3)7
                August 25, 1997, by and among Iron Mountain,                  
                DSI Acquisition Corporation and Data Securities               
                International, Inc.                                           

   2.6          Agreement and Plan of Merger, dated as of                       (2.2)8
                September 17, 1997, by and among Iron                          
                Mountain, IM-3 Acquisition Corp. and                           
                HIMSCORP, Inc.                                                 

   2.7          Agreement and Plan of Merger, dated as of                       (2.7)13
                February 24, 1998, by and among Iron Mountain,                 
                IM-3 Acquisition Corp. and InterMation, Inc.                   
                (confidential treatment granted as to certain                  
                portions)                                                      

   2.8          The Agreement and Plan of Merger by and among                   (2.1)14
                Iron Mountain Records Management, Inc.                         
                ("IMRM"), Iron Mountain/NUS, Inc. and                          
                National Underground Storage, Inc. dated as of                 
                June 5, 1998 (confidential treatment granted as to   
                certain portions)

   3.1          Amended and Restated Certificate of Incorporation               (3.1)10
                of Iron Mountain, as amended

   3.2          Amended and Restated By-Laws of Iron                            (3.2)10
                Mountain, as amended

    5           Opinion of Sullivan & Worcester LLP                        Filed herewith 
                                                                            as Exhibit 5

  10.1          Second Amended and Restated Credit Agreement,                   (10.1)7
                dated as of September 26, 1997, among Iron
                Mountain, the lenders party thereto and The Chase
                Manhattan Bank, as Administrative Agent


                                      II-2

<PAGE>


  10.2          Amendment No. 1 to the Second Amended and                       (10.1)15
                Restated Credit Agreement, dated December 31,                  
                1997, among Iron Mountain, the lenders party                   
                thereto and The Chase Manhattan Bank, as                       
                Administrative Agent                                           

  10.3          Indenture for 101/8 % Senior Subordinated Notes                 (10.3)4
                due 2006 by and among Iron Mountain, certain of                
                its subsidiaries and First National Association, as            
                trustee, dated October 1, 1996                                 

  10.4          Indenture of 8 3/4% Senior Subordinated Notes due               (4.1)6
                2009 by and among Iron Mountain, certain of its                
                subsidiaries and The Bank of New York, as                      
                trustee, dated October 24, 1997                                

  10.5          Iron Mountain Incorporated 1995 Stock Incentive                 (10.1)3
                Plan, as amended                                                
  
  10.6          Iron Mountain/UAC 1995 Stock Option Plan                        (10.1)12

  10.7          Iron Mountain/ATSI 1995 Stock Option Plan                       (10.2)12

  10.8          Iron Mountain Incorporated 1998 Employee Stock                  (10.8)15
                Purchase Plan                                                   

  10.9          Record Center Storage Services Agreement                        (10.18)1
                between IMRM and Resolution Trust Corporation,                  
                dated July 31, 1992, as renewed by letter                       
                agreement effective July 26, 1996 between Iron                  
                Mountain and the Federal Deposit Insurance                      
                Corporation                                                     

  10.10         Lease between IMRM and IM Houston (CR)                          (10.19)1
                Limited Partnership, dated January 1, 1991            

  10.11         Asset Purchase and Sale Agreement, dated July                   (10.20)2
                11, 1996, among IMRM, The Fortress                              
                Corporation and certain subsidiaries                            

  10.12         Asset Purchase Agreement, dated as of                           (10.23)2
                September 6, 1996, among IMRM, Mohawk                           
                Business Record Storage, Inc., Michael M. Rabin,                
                Richard K. Rabin, Herman Ladin and Sidney                       
                Ladin                                                           

  10.13         Amended and Restated Registration Rights                        (10.2)3
                Agreement between Iron Mountain and certain                     
                Stockholders, dated as of June 12, 1997                         

  10.14         Joinder to Registration Rights Agreement, dated as              (10.12)9
                of October 31, 1997, by and between Iron                        
                Mountain and Kent P. Dauten                           


                                      II-3

<PAGE>
  10.15         Stockholders' Agreement, dated September 17,                    (10.13)10
                1997, by and between Iron Mountain and Kent P.                
                Dauten                                                        

  10.16         Stockholders' Agreement, dated as of February                   (10.20)4
                19, 1997, by and between Iron Mountain and                    
                certain stockholders of Safesite Records                      
                Management Corporation                                        

  10.17         Asset Purchase and Sale Agreement, dated                        (10.22)5
                March 12, 1997, by and among IMRM, Chicago                    
                Data Destruction Corporation, and John Mengel                 
                and John S. Mengel                                            

  10.18         Asset Purchase and Sale Agreement, dated as of                  (10.2)7
                August 20, 1997, by and between IMRM and                      
                Records Retention/FileSafe, L.P.                    

  10.19         Stockholders' Agreement, dated as of                            (10.16)9
                September 26, 1997, by and among Iron Mountain
                and certain stockholders of the Arcus Parties

  10.20         Lease Agreement, dated as of October 1, 1998,               Filed herewith as
                between Iron Mountain Statutory Trust - 1998 and               Exhibit 10.20
                IMRM

  10.21         Unconditional Guaranty, dated as of October 1,              Filed herewith as
                1998, from Iron Mountain to Iron Mountain                     Exhibit 10.21
                Statutory Trust - 1998.

  10.22         Amended and Restated Agency Agreement, dated                Filed herewith as
                October 1, 1998, by and between Iron Mountain                 Exhibit 10.22
                Statutory Trust - 1998 and IMRM

   11           Statement re: computation of per share earnings                 (11)7

   21           Subsidiaries of Iron Mountain                                Filed herewith
                                                                              as Exhibit 21

  23.1          Consent of Arthur Andersen LLP (Midwest                      Filed herewith
                Records Management, Sloan Vaults, Inc. and                   as Exhibit 23.1
                Affiliate and InterMation, Inc.)

  23.2          Consent of Carbis Walker & Associates, LLP                   Filed herewith
                (National Underground Storage, Inc.)                         as Exhibit 23.2

  23.3          Consent of Ernst & Young LLP (Arcus                          Filed herewith
                Technology Services, Inc.)                                   as Exhibit 23.3

  23.4          Consent of Ernst & Young LLP (HIMSCORP,                      Filed herewith
                Inc. and Subsidiaries)                                       as Exhibit 23.4

  23.5          Consent of Stout, Causey & Horning, P.A.                     Filed herewith
                (Allegiance Business Archives, Ltd.)                         as Exhibit 23.5


                                 II-4

<PAGE>




  23.6          Consent of Abbott, Stringham & Lynch (Records                Filed herewith
                Retention/FileSafe, LP)                                      as Exhibit 23.6

  23.7          Consent of Arthur Andersen LLP (Security                     Filed herewith
                Archives of Minnesota, Wellington Financial                  as Exhibit 23.7
                Services, Inc. and Data Securities International,
                Inc.)

  23.8          Consent of Fisher, Schacht & Oliver, LLP                     Filed herewith
                (Concorde Group, Inc. and Neil Tucker Trust)                 as Exhibit 23.8

  23.9          Consent of Arthur Andersen LLP (Safesite                     Filed herewith
                Records Management Corporation)                              as Exhibit 23.9

  23.10         Consent of Arthur Andersen LLP (Iron Mountain                Filed herewith
                Incorporated)                                                as Exhibit 23.10

  23.11         Consent of Sullivan & Worcester LLP                       Contained in Exhibit 5
                                                                              filed herewith

   24           Powers of Attorney                                       Contained on Page II-8 of
                                                                        the Registration Statement

  27.1          Financial Data Schedule--December 31, 1997                      (27.1)12

  27.2          Financial Data Schedule--Restated March 31,                     (27.2)13
                1997, June 30, 1997 and September 30, 1997.

  27.3          Financial Data  Schedule--Restated  June 30, 1996,              (27.3)13
                September 30, 1996 and December 31, 1996.
- ----------------
<FN>
1    Filed as an Exhibit to Iron  Mountain's  Registration  Statement  No.  33-99950  filed with the
     Commission on December 1, 1995.
2    Filed as an Exhibit to Iron  Mountain's  Registration  Statement No.  333-10359  filed with the
     Commission on August 16, 1996.
3    Filed as an Exhibit to Iron  Mountain's  Quarterly  Report on Form 10-Q for the  quarter  ended
     September 30, 1996, filed with the Commission, File No. 0-27584.
4    Filed as an Exhibit to Iron  Mountain's  Annual Report on Form 10-K for the year ended December
     31, 1996, filed with the Commission, File No. 0-27584.
5    Filed as an Exhibit to Iron  Mountain's  Registration  Statement No.  333-24635  filed with the
     Commission on April 4, 1997, as amended on May 7, 1997 and May 13, 1997.
6    Filed as an Exhibit to Iron Mountain's Current Report on Form 8-K dated October 30, 1997, filed
     with the Commission, File No. 0-27584.
7    Filed as an Exhibit to Iron  Mountain's  Quarterly  Report on Form 10-Q for the  quarter  ended
     September 30, 1997, filed with the Commission, File No. 0-27584.
8    Filed as an Exhibit to Iron  Mountain's  Current  Report on Form 8-K/A dated November 10, 1997,
     filed with the Commission, File No. 0-27584.
9    Filed as an Exhibit to Iron  Mountain's  Registration  Statement No.  333-41045  filed with the
     Commission on November 26, 1997.
10   Filed as an Exhibit to Iron  Mountain's  Registration  Statement No.  333-44185  filed with the
     Commission on January 13, 1998.

                                      II-5

<PAGE>

11   Filed as an Exhibit to Iron  Mountain's  Registration  Statement No.  333-44187  filed with the
     Commission on January 13, 1998.
12   Filed as an Exhibit to Iron  Mountain's  Current Report on Form 8-K dated March 9, 1998,  filed
     with the Commission, File No. 0-27584.
13   Filed as an Exhibit to Iron  Mountain's  Annual Report on Form 10-K for the year ended December
     31, 1997, filed with the Commission, File No. 0-27584.
14   Filed as an Exhibit to Iron  Mountain's  Current Report on Form 8-K dated July 10, 1998,  filed
     with the Commission, File No. 0-27584.
15   Filed as an Exhibit to Amendment No. 1 to Iron Mountain's Registration Statement No. 333- 44187
     filed with the Commission on August 3, 1998.

</FN>
</TABLE>

Item 22.  Undertakings

         Iron Mountain hereby undertakes:

         (1) To file, during any period in which offers or sales are being made,
a post-effective amendment to this Registration Statement:

              (i) To include any prospectus  required by Section 10(a)(3) of the
         Securities Act of 1933, as amended (the "Securities Act");

             (ii) To reflect in the prospectus any facts or events arising after
         the effective date of this  Registration  Statement (or the most recent
         post-effective  amendment  thereof)  which,   individually  or  in  the
         aggregate,  represent a fundamental change in the information set forth
         in this  Registration  Statement.  Notwithstanding  the foregoing,  any
         increase  or  decrease  in volume of  securities  offered (if the total
         dollar  value of  securities  offered  would not exceed  that which was
         registered) and any deviation from the low or high and of the estimated
         maximum offering range may be reflected in the form of prospectus filed
         with the Commission  pursuant to Rule 424(b) if, in the aggregate,  the
         changes in volume and price represent no more than 20 percent change in
         the maximum  aggregate  offering price set forth in the "Calculation of
         Registration Fee" table in the effective Registration Statement;

            (iii) To include any material  information  with respect to the plan
         of distribution not previously disclosed in the Registration  Statement
         or  any  material  change  to  such  information  in  the  Registration
         Statement;

provided,  however,  that the  undertakings  set forth in paragraphs  (1)(i) and
(1)(ii)  above do not apply if the  information  required  to be  included  in a
post-effective  amendment by those  paragraphs is contained in periodic  reports
filed  by  the  Registrant  pursuant  to  Section  13 or  Section  15(d)  of the
Securities Act of 1934, as amended (the "Exchange Act") that are incorporated by
reference in this Registration Statement.

         (2) That,  for the  purpose  of  determining  any  liability  under the
Securities Act, each such  post-effective  amendment shall be deemed to be a new
Registration  Statement  relating to the  securities  offered  therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof;

         (3) To remove from registration by means of a post-effective  amendment
any of the securities being registered which remain unsold at the termination of
the offering;

                                      II-6

<PAGE>

         (4)  That,  for  purposes  of  determining   any  liability  under  the
Securities  Act,  each  filing of the  Registrant's  Annual  Report  pursuant to
Section 13(a) or Section 15(d) of the Exchange Act (and where  applicable,  each
filing of an employee  benefit plan's annual report pursuant to Section 15(d) of
the  Exchange  Act)  that is  incorporated  by  reference  in this  Registration
Statement  shall be deemed to be a new  registration  statement  relating to the
securities  offered  therein,  and the offering of such  securities at that time
shall be deemed to be the initial bona fide offering thereof;

         (5) That prior to any public  reoffering of the  securities  registered
hereunder  through  use of a  prospectus  which  is a part of this  Registration
Statement,  by any person or party who is deemed to be an underwriter within the
meaning  of  Rule  145(c),  the  Registrant   undertakes  that  such  reoffering
prospectus   will  contain  the   information   called  for  by  the  applicable
registration  form with  respect to  reofferings  by  persons  who may be deemed
underwriters,  in addition to the  information  called for by the other items of
the applicable form;

         (6) That every prospectus:  (i) that is filed pursuant to paragraph (4)
immediately preceding, or (ii) that purports to meet the requirements of Section
10(a)(3) of the  Securities  Act and is used in  connection  with an offering of
securities  subject to Rule 415,  will be filed as a part of an amendment to the
Registration  Statement and will not be used until such  amendment is effective,
and that, for purposes of determining  any liability  under the Securities  Act,
each such  post-effective  amendment  shall be  deemed to be a new  registration
statement relating to the securities  offered therein,  and the offering of such
securities  at that time shall be deemed to be the  initial  bona fide  offering
thereof;

         (7) To respond to requests  for  information  that is  incorporated  by
reference into the prospectus  pursuant to Item 4, 10(b), 11 or 13 of this form,
within one business day of receipt of such request, and to send the incorporated
documents  by first class mail or other  equally  prompt  means.  This  includes
information  contained in documents  filed  subsequent to the effective  date of
this Registration Statement through the date of responding to the request; and

         (8) To supply by means of a post-effective  amendment,  all information
concerning a transaction,  and the company being acquired involved therein, that
was not the subject of and included in the Registration Statement when it became
effective.

         Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to  Directors,  officers  and  controlling  persons of Iron
Mountain,  Iron Mountain has been advised that in the opinion of the  Securities
and  Exchange  Commission  such  indemnification  is  against  public  policy as
expressed in the Securities Act and is, therefore,  unenforceable.  In the event
that a claim  for  indemnification  against  such  liabilities  (other  than the
payment  by Iron  Mountain  in the  successful  defense of any  action,  suit or
proceeding)  is  asserted by such  Director,  officer or  controlling  person in
connection with the securities being  registered,  Iron Mountain will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit  to a  court  of  appropriate  jurisdiction  the  question  whether  such
indemnification  by it is against  public policy as expressed in the  Securities
Act and will be governed by the final adjudication of such issue.

                                      II-7

<PAGE>

                                   SIGNATURES

         Pursuant to the  requirements  of the  Securities  Act,  Iron  Mountain
Incorporated  has duly caused this  Registration  Statement  to be signed on its
behalf by the  undersigned,  thereunto duly  authorized,  in the City of Boston,
Commonwealth of Massachusetts, on November 23, 1998.


                                IRON MOUNTAIN INCORPORATED



                                By:  /s/ C. Richard Reese                   
                                     Name:  C. Richard Reese
                                     Title:  Chairman of the Board of Directors
                                             and Chief Executive Officer

         Pursuant to the  requirements of the Securities Act, this  registration
statement has been signed by the following  persons in the capacities and on the
dates  indicated;  and each of the  undersigned  officers and  Directors of Iron
Mountain  Incorporated  hereby  severally  constitutes  and  appoints C. Richard
Reese,  David S. Wendell and John F. Kenny,  Jr., and each of them,  to sign for
him,  and in his  name  in  the  capacity  indicated  below,  such  Registration
Statement for the purpose of registering  such  securities  under the Securities
Act,  and any and all  amendments  thereto,  including  without  limitation  any
registration  statement  or  post-effective  amendment  thereof  filed under and
meeting  the  requirements  of Rule  462(b)  under the  Securities  Act,  hereby
ratifying and  confirming  our signatures as they may be signed by our attorneys
to such Registration Statement and any and all amendments thereto.


Signature                    Title                            Date
- ---------                    -----                            ----

/s/ C. Richard Reese         Chairman of the Board of        November 23, 1998
C. Richard Reese             Directors
                             and Chief Executive Officer
                           
                           
/s/ David S. Wendell         President, Chief Operating      November 23, 1998
David S. Wendell             Officer and Director
                           
                           
/s/ John F. Kenny, Jr.       Executive Vice President and    November 23, 1998
John F. Kenny, Jr.           Chief Financial Officer
                           
                           
/s/ Eugene B. Doggett        Director                        November 23, 1998
Eugene B. Doggett          
                           
                           
/s/ Constantin R. Boden      Director                        November 23, 1998
Constantin R. Boden      


                                      II-8

<PAGE>


/s/ Arthur D. Little         Director                        November 23, 1998
Arthur D. Little


/s/ Vincent J. Ryan          Director                        November 23, 1998
Vincent J. Ryan


/s/ B. Thomas Golisano       Director                        November 23, 1998
B. Thomas Golisano


/s/ Kent P. Dauten           Director                        November 23, 1998
Kent P. Dauten



/s/ Clarke H. Bailey         Director                        November 23, 1998
Clarke H. Bailey



/s/ Jean A. Bua              Vice President and Corporate    November 23, 1998
Jean A. Bua                  Controller




                                      II-9



                                                                       EXHIBIT 5


                              SULLIVAN & WORCESTER LLP
                               ONE POST OFFICE SQUARE
                             BOSTON, MASSACHUSETTS 02109
                                   (617) 338-2800
                                FAX NO. 617-338-2880
     IN WASHINGTON, D.C.                                   IN NEW YORK CITY
1025 CONNECTICUT AVENUE, N.W.                              767 THIRD AVENUE
   WASHINGTON, D.C. 20036                              NEW YORK, NEW YORK 10017
       (202) 775-8190                                       (212) 486-8200
    FAX NO. 202-293-2275                                 FAX NO. 212-758-2151






                                        November 23, 1998



Iron Mountain Incorporated
745 Atlantic Avenue
Boston, MA 02111

         Re:      Registration Statement on Form S-4;
                  1,488,508 shares of Iron Mountain
                  Incorporated Common Stock, par value $.01 per share

Ladies and Gentlemen:

         In connection with the  registration  under the Securities Act of 1933,
as amended (the  "Securities  Act"), by Iron Mountain  Incorporated,  a Delaware
corporation  (the "Company"),  of 1,488,508 shares (the "Registered  Shares") of
its  Common  Stock,  par value  $.01 per share  ("Common  Stock"),  all of which
Registered  Shares are to be offered by the Company,  the  following  opinion is
furnished to you to be filed with the  Securities and Exchange  Commission  (the
"Commission") as Exhibit 5 to the Company's  registration  statement on Form S-4
(the  "Registration  Statement") under the Securities Act. The Registered Shares
are to be offered on a delayed or continuous  basis in connection  with business
combination transactions pursuant to Rule 415 under the Securities Act.

         We assume that the number,  issuance and sale of the Registered  Shares
to be offered  from time to time will be  determined  and  authorized  by proper
action  of the  Board  of  Directors  of the  Company  in  accordance  with  the
parameters  described in the Registration  Statement (each a "Board Action") and
in  accordance   with  the  Company's   Amended  and  Restated   Certificate  of
Incorporation  and applicable  Delaware law. We further assume that prior to the
issuance of any Registered Shares, there will exist, under the Company's Amended
and Restated  Certificate of  Incorporation,  the requisite number of authorized
shares  of  Common  Stock  for such  issuance  which  are  unissued  and are not
otherwise reserved for issuance.

         We have  acted  as  counsel  to the  Company  in  connection  with  the
Registration Statement,  and we have examined originals or copies,  certified or
otherwise  identified to our satisfaction,  of the Registration  Statement,  the
Amended and Restated Certificate of Incorporation of the Company as presently in
effect, corporate records, certificates and


<PAGE>


Iron Mountain Incorporated
November 23, 1998
Page 2


statements of officers and  accountants of the Company and of public  officials,
and such other documents as we have considered necessary in order to furnish the
opinion hereinafter set forth.

         This   opinion  is  limited  to  the  laws  of  The   Commonwealth   of
Massachusetts,  the Delaware General Corporation Law and the federal laws of the
United  States of America,  and we express no opinion with respect to the law of
any other jurisdiction.

         Based on and subject to the foregoing, we are of the opinion that, when
the  Registration  Statement has become effective under the Securities Act, upon
due authorization by Board Action of an issuance of Registered  Shares, and upon
delivery of  certificates  representing  the Registered  Shares against  payment
therefor in the manner  contemplated by such Board Action and in accordance with
the  terms  of  such  agreements  (if  any)  relating  to one or  more  business
combination  transactions  as the Company may enter into from time to time,  the
Registration Statement and any applicable Prospectus Supplement,  the Registered
Shares represented by such certificates will be duly authorized, validly issued,
fully paid and nonassessable by the Company.

         We hereby  consent to the  filing of this  opinion as an exhibit to the
Registration  Statement  and to the  reference  to our  firm  in the  Prospectus
forming a part of the Registration  Statement. In giving such consent, we do not
thereby  admit that we come  within the  category  of persons  whose  consent is
required under Section 7 of the  Securities Act or the rules and  regulations of
the Commission promulgated thereunder.

                                          Very truly yours,

                                          /s/ Sullivan & Worcester LLP

                                          SULLIVAN & WORCESTER LLP


                                                                Exhibit 10.20










                                 LEASE AGREEMENT



                                     between



                      IRON MOUNTAIN STATUTORY TRUST - 1998,
                                    as Lessor


                                       and



                     IRON MOUNTAIN RECORDS MANAGEMENT, INC.,
                                    as Lessee



                           Dated as of October 1, 1998




<PAGE>
                                       -i-

                                TABLE OF CONTENTS

                                                                            PAGE


1.       Demise; Title; Condition.............................................1

2.       Term.................................................................2

3.       Rent.................................................................2

4.       Use..................................................................4

5.       Net Lease; Nonterminability..........................................4

6.       Taxes and Other Charges; Law and Agreements..........................5

7.       Title; Liens.........................................................9

8.       Indemnification; Fees and Expenses...................................9

9.       Environmental Matters...............................................12

10.      Maintenance and Repair; Additions; Completion Improvements..........16

11.      Trade Fixtures; Inspection..........................................20

12.      Condemnation and Casualty...........................................21

13.      Insurance...........................................................27

14.      Financial Statements; Other Information.............................31

15.      Mergers; Acquisitions; Asset Sales..................................31

16.      Purchase Procedure..................................................32

17.      Reserved............................................................33

18.      Quiet Enjoyment.....................................................33




<PAGE>


                                      -ii-

19.      Survival............................................................33

20.      Subletting; Assignment..............................................33

21.      Advances by Lessor..................................................35

22.      Conditional Limitations -- Events of Default and Remedies...........35

23.      Notices.............................................................41

24.      Estoppel Certificates...............................................41

25.      No Merger...........................................................42

26.      Surrender and Return................................................42

27.      Separability........................................................44

28.      Lessee's End of Term Purchase Options...............................44

29.      Signs; Showing......................................................46

30.      End of Term Adjustment..............................................46

31.      Reserved............................................................48

32.      Nature of Lessor's Obligations; Limitations on Liability............48

33.      Lessee's Representations and Warranties.............................49

34.      Granting of Easements, Etc..........................................50

35.      Lessee's Right to Terminate; Exchange of Leased Properties..........51

36.      Recording...........................................................54

37.      Miscellaneous.......................................................55

38.      Ownership of the Leased Properties..................................56
39.      Louisiana Provisions................................................58




<PAGE>
                                      -iii-

         Appendix I Definitions
         SCHEDULE A Land Parcel
         SCHEDULE B Basic Rent
         SCHEDULE C Termination Values
         SCHEDULE D Standard Mortgagee Endorsement
         SCHEDULE E Environmental Matters
         SCHEDULE F Purchase Prices
         SCHEDULE G Maximum Lessor and Lessee Risk Amounts
         SCHEDULE H Permitted Encumbrances
         SCHEDULE I Form of Supplement to Lease
         SCHEDULE J Form of Certificate As to Insurance
         SCHEDULE K [intentionally omitted]
         SCHEDULE L Form of Lessee Estoppel Certificate

<PAGE>

         THIS LEASE AGREEMENT, dated as of October 1, 1998 (this Lease), between
IRON MOUNTAIN  STATUTORY TRUST - 1998 (together with its successors and assigns,
Lessor),  having an  address at 10 State  House  Square,  Hartford,  Connecticut
06103, Attention:  Corporate Trust Administration,  as lessor, and IRON MOUNTAIN
RECORDS MANAGEMENT,  INC., a Delaware corporation (together with any corporation
succeeding  thereto  by  consolidation,  merger  or  acquisition  of its  assets
substantially as an entirety, Lessee), having an address at 745 Atlantic Avenue,
Boston, Massachusetts 02111, Attention: Treasurer, as lessee.

         Lessor and Lessee hereby agree for good and valuable consideration, the
receipt and  sufficiency of which is hereby  acknowledged,  one to the other, as
follows  (capitalized  terms not  otherwise  defined  when they first appear are
defined in Appendix I hereto):

         1. Demise;  Title;  Condition.  In  consideration of the agreements and
provisions of this Lease hereinafter  stipulated to be observed and performed by
Lessee,  Lessor hereby  leases to Lessee,  and Lessee hereby leases from Lessor,
subject  to the  terms  and  conditions  hereinafter  set  forth,  for the terms
described in Article 2 hereof,  all of Lessor's right, title and interest in (i)
each  parcel of land  (individually,  a Land Parcel and  collectively,  the Land
Parcels)  described  in  Schedule  A  annexed  hereto,  as  Schedule  A  may  be
supplemented  from time to time by Lease  Supplement in the form attached hereto
as Schedule I; (ii) all  Existing  Improvements  and all  additional  buildings,
structures,   improvements,  fixtures  and  other  real  and  personal  property
described  in or  contemplated  by the  Approved  Plans and all  other  real and
personal  property now or hereafter  placed on, affixed or appurtenant  to, each
Land Parcel by Lessee,  as agent for Lessor  pursuant  to the Agency  Agreement,
including,  without  limitation,  the  equipment  and  other  personal  property
identified  on  Schedule A,  together  with any and all  accessions,  additions,
improvements (including Completion Improvements), substitutions and replacements
thereto or therefor  (all of the  foregoing  described in this clause (ii),  the
Improvements);  and (iii) all easements,  rights and appurtenances thereto (each
Land Parcel  together  with the  related  Improvements  and all such  easements,
rights and  appurtenances  with  respect  thereto  called a Leased  Property and
collectively,  the Leased  Properties).  Each of the Leased  Properties shall be
either an Existing  Facility or a New Facility.  The Improvements do not include
personal property which constitutes Trade Fixtures or Lessee's property pursuant
to paragraph  (c) of Article 10 and which is placed on any Land Parcel by Lessee
for Lessee's own account and not as agent for Lessor under the Agency Agreement.

         Each  Leased  Property  is  demised  and let in its  present  condition
without  representation  or warranty by Lessor,  subject in each case to (a) the
rights of any parties in possession thereof,  (b) the state of the title thereto
existing at the time Lessor acquired its interest in such Leased  Property,  (c)
any state of facts which an accurate survey or physical  inspection  might show,
(d) all applicable laws, rules, regulations,  ordinances and restrictions now in
effect or hereafter adopted by any governmental  authority having  jurisdiction,
(e) any environmental  conditions now or hereafter existing at, on or under such
Leased  Property  and  (f) any  violations  of such  laws,  rules,  regulations,
ordinances and restrictions which may exist at the commencement of the


<PAGE>

                                       -2-

Term of this  Lease.  Lessee has  examined  each  Leased  Property,  and has, as
between Lessor and Lessee, found the same to be satisfactory for all purposes.

         LESSOR HAS NOT MADE AN INSPECTION  OF ANY LEASED  PROPERTY AND MAKES NO
REPRESENTATION  OR  WARRANTY,  EXPRESS OR  IMPLIED,  WITH  RESPECT TO ANY LEASED
PROPERTY WHETHER NOW OR HEREAFTER  EXISTING OR THE LOCATION,  USE,  DESCRIPTION,
DESIGN, MERCHANTABILITY,  FITNESS FOR USE FOR A PARTICULAR PURPOSE, CONDITION OR
DURABILITY THEREOF, OR AS TO QUALITY OF THE MATERIAL OR WORKMANSHIP THEREIN; AND
ALL RISKS INCIDENTAL TO THE LEASED  PROPERTIES SHALL BE BORNE BY LESSEE.  IN THE
EVENT OF ANY DEFECT OR  DEFICIENCY  OF ANY NATURE IN ANY LEASED  PROPERTY OR ANY
FIXTURE OR OTHER ITEM CONSTITUTING A PORTION THEREOF,  WHETHER PATENT OR LATENT,
LESSOR SHALL NOT HAVE ANY RESPONSIBILITY OR LIABILITY WITH RESPECT THERETO.  THE
PROVISIONS  OF THIS  PARAGRAPH  HAVE BEEN  NEGOTIATED  AND ARE  INTENDED TO BE A
COMPLETE  EXCLUSION  AND NEGATION BY LESSOR OF, AND LESSOR DOES HEREBY  DISCLAIM
ANY AND ALL WARRANTIES BY LESSOR, EXPRESS OR IMPLIED, WITH RESPECT TO THE LEASED
PROPERTIES  WHETHER  NOW OR  HEREAFTER  EXISTING  OR ANY  FIXTURE  OR OTHER ITEM
CONSTITUTING  A  PORTION  THEREOF,  WHETHER  ARISING  PURSUANT  TO  THE  UNIFORM
COMMERCIAL CODE OR ANY OTHER LAW NOW OR HEREAFTER IN EFFECT OR OTHERWISE.

         2. Term. Subject to the provisions  hereof,  Lessee shall have and hold
the Leased  Properties  for (i) a term which  shall  begin on the  Interim  Term
Commencement Date, and end at midnight on the day immediately prior to the Basic
Term  Commencement  Date (the Interim  Term),  and (ii) a term which shall begin
immediately  after  the end of the  Interim  Term  and  end  (as to each  Leased
Property) at midnight on the day immediately  prior to the fifth  anniversary of
the Basic Term  Commencement  Date applicable to such Leased Property (the Basic
Term), unless sooner terminated as hereinafter provided; provided, however, that
in any and all  events,  the Term of this  Lease  shall  expire as to all Leased
Properties by not later than March 31, 2005.

         3.       Rent.

         (a)  During  the Term of this  Lease,  Lessee  shall pay the basic rent
provided  for in  Schedule B annexed  hereto  (Basic  Rent) to Lessor (or to any
other party as Lessor may from time to time  specify in  writing),  by bank wire
transfer  or  electronic  funds  transfer  (including  automated   clearinghouse
transfers) of immediately  available  federal funds initiated before 10:30 A.M.,
Eastern Time, at Lessor's address set forth above, or at such other place within
the continental  United States to which bank wire or electronic  funds transfers
can be made,  as Lessor may from time to time  designate  to Lessee in  writing.
Basic Rent during the  Interim  Term and 
<PAGE>

                                       -3-

the Basic Term shall be due and payable by Lessee in installments in the amounts
set forth in  Schedule B on the first day of each  month  during the Term of the
Lease (Payment Dates). If any Payment Date falls on a day that is not a Business
Day,  Basic Rent shall be due and payable on the next  succeeding  Business  Day
without interest or penalty if paid on such Business Day.

         (b) All amounts that Lessee is required to pay or discharge pursuant to
(i) this Lease in addition to Basic Rent (including, without limitation, amounts
payable as the Purchase Price, Termination Value or other amounts for any Leased
Property  pursuant to any  provision  hereof,  any  Adjustment  Price or Maximum
Lessee Risk Amount payable pursuant to Article 30, any amounts payable by Lessee
on behalf of Lessor pursuant to Sections 2.5.2,  2.5.3,  2.5.4,  2.5.6(b),  2.6,
2.7, 3.5, 5.9 and Article 4 of the Loan Agreement,  any amounts payable pursuant
to Article 21 hereof or as  liquidated  damages  pursuant  to  paragraph  (c) of
Article 22 hereof and any indemnity  payments payable pursuant to Articles 8 and
9 hereof), and (ii) the Assignment,  together with every fine, penalty,  overdue
interest and cost which may be added for  nonpayment  or late  payment  thereof,
shall  constitute  additional  obligations  hereunder  (all  of  the  foregoing,
Additional  Obligations).  In the  event  of any  failure  by  Lessee  to pay or
discharge any such Additional  Obligations  when due,  Lessor,  except as may be
otherwise provided herein,  shall have all rights,  powers and remedies provided
for  herein or by law or  otherwise  in the case of  nonpayment  of Basic  Rent.
Lessee may pay Additional  Obligations directly to the Persons entitled thereto.
Lessee  also  covenants  to pay to Lessor on demand as  Additional  Obligations,
interest at the Overdue  Rate,  but in no event  greater  than the maximum  rate
permitted by applicable law, on (i) all overdue  installments of Basic Rent from
the due date thereof until paid in full,  (ii) all overdue amounts of Additional
Obligations arising out of obligations which Lessor shall have paid on behalf of
Lessee  pursuant to Article 21 hereof or otherwise from the date of such payment
by Lessor  until paid in full and (iii) each  other sum  required  to be paid by
Lessee  hereunder or under the Assignment  which is overdue,  including  without
limitation,  any Maximum Lessee Risk Amount or portion thereof,  Purchase Price,
Termination  Value or other amounts for any Leased Property,  Adjustment  Price,
any  amounts  payable  by Lessor  pursuant  to  Sections  2.5.2,  2.5.3,  2.5.4,
2.5.6(b),  2.6,  2.7,  3.5,  5.9 and  Article 4 of the Loan  Agreement,  and any
amounts payable pursuant to Article 21 hereof or as liquidated  damages pursuant
to paragraph (c) of Article 22 hereof,  from the date such sum was due until the
date received by the Person entitled thereto.

         (c) With respect to each Leased  Property,  each of (i) the Termination
Value,  (ii) the Purchase Price, and (iii) the sum of (x) the Adjustment  Price,
plus (y) the Maximum  Lessor Risk Amount and (z) the Maximum  Lessee Risk Amount
shall be at least  sufficient  at all times during the Maximum Lease Term to pay
all  outstanding  principal under the  indebtedness  evidenced by the Debt Notes
related  to such  Leased  Property  and,  to pay to  Lessor  the  amount  of the
outstanding Equity Investment,  in accordance with the Operative Documents; and,
in each case together with other amounts required to be paid by Lessee under the
Operative  Documents,  such  

<PAGE>
                                       -4-

amount shall be also sufficient to pay accrued interest under the Debt Notes and
the Equity Return.

         4. Use.  Lessee may use each Leased  Property  as a  warehouse  storage
facility and for accessory  office,  parking and other  ancillary uses. With the
prior  written  consent of  Lessor,  Agent Bank and LC Issuer of such other use,
which  consent  will  not be  unreasonably  withheld,  Lessee  may use a  Leased
Property for any other lawful use which Lessee  certifies  (i) is not  generally
hazardous, (ii) does not, in Lessee's good faith determination, adversely affect
the fair market value,  utility or useful life of such Leased Property and (iii)
does not violate any applicable law, rule, regulation or restriction.

         5.       Net Lease; Nonterminability

         (a) This Lease is a "triple  net lease" and Lessee  shall pay all Basic
Rent and Additional Obligations without notice, demand,  counterclaim,  set-off,
deduction, or defense, and without abatement, suspension, deferment, recoupment,
diminution  or  reduction,  free  from any  charges,  assessments,  impositions,
expenses or  deductions  of any and every kind or nature  whatsoever  including,
without  limitation (1) any right Lessee may have against Lessor, any contractor
or any other Person for any reason (whether in connection with this  transaction
or any other  transaction),  (2) any  breach,  default or  misrepresentation  by
Lessor or any other  Person  under this  Lease,  the Loan  Agreement,  Guaranty,
Assignment of Guaranty or Assignment,  or (3) any invalidity or unenforceability
in whole or in part of this Lease, the Loan Agreement,  Guaranty,  Assignment of
Guaranty or Assignment, or any other infirmity herein or therein, or any lack of
power or authority of any party to this Lease, the Loan Agreement, any Guaranty,
any  Assignment  of  Guaranty  or  any  Assignment.   All  costs,  expenses  and
obligations of every kind and nature whatsoever relating to each Leased Property
and the  appurtenances  thereto and the use and  occupancy  thereof by Lessee or
anyone claiming by, through or under Lessee as Lessee  hereunder which may arise
or become due during or with respect to the period  constituting the Term hereof
shall be paid by Lessee,  and Lessee shall  indemnify  Lessor against any of the
foregoing  as  provided in Article 8.  Lessee  assumes,  during the Term of this
Lease, the sole  responsibility  for the condition  (physical or environmental),
use, operation, maintenance,  subletting and management of each Leased Property,
and Lessee shall  indemnify  Lessor with respect to the foregoing as provided in
Article 8, and Lessor shall have no  responsibility in respect thereof and shall
have no  liability  for damage to the  property  of Lessee or any  sublessee  of
Lessee  on any  account  or for any  reason  whatsoever.  Without  limiting  the
generality of the foregoing, during the Term of this Lease, Lessee shall perform
all of the obligations of the sublessor under any subleases affecting all or any
part of any Leased  Property which Lessee may hereafter  enter into as sublessor
to the extent that sublessee's  failure to perform such obligations would result
in the occurrence of a Default or Event of Default under this Lease.

<PAGE>
                                       -5-


         (b) Except as otherwise  expressly provided in Article 9, paragraph (c)
of Article 12,  clause (ii) of paragraph (b) of Article 22, and paragraph (a) of
Article 35 hereof, this Lease shall not terminate as to any Leased Property, nor
shall Lessee have any right to terminate  this Lease as to any Leased  Property,
nor shall Lessee be entitled to any  abatement  or reduction of rent  hereunder,
nor  shall  Lessee  have  the  right  to be  released  or  discharged  from  any
obligations  or  liabilities   hereunder  for  any  reason,   including  without
limitation,  any damage to or destruction of all or part of any Leased Property;
any  restriction,  deprivation  (including  eviction) or  prevention  of, or any
interference  with, any use or the occupancy of any Leased Property (whether due
to any defect in or failure  of  Lessor's  title to such  Leased  Property,  any
Lessor Lien or otherwise); any condemnation, requisition or other taking or sale
of the use, occupancy or title to any Leased Property;  any action,  omission or
breach  on the part of Lessor  under  this  Lease or under  any other  agreement
between Lessor and Lessee;  the inadequacy or failure of the  description of any
Leased  Property to demise and let to Lessee any property  intended to be leased
hereby;  Lessee's acquisition of ownership of any Leased Property or any sale or
other  disposition of any Leased  Property;  the  impossibility or illegality of
performance  by  Lessor  or Lessee or both;  the  failure  of Lessor to  deliver
possession of any Leased  Property on the Interim Term  Commencement  Date;  any
action of any court,  administrative agency or other governmental authority; any
environmental  condition  affecting  any Leased  Property;  or any other  cause,
whether  similar  or  dissimilar  to the  foregoing,  any  present or future law
notwithstanding.

         (c) Lessee will remain  obligated  under this Lease in accordance  with
its  terms,  and will not take any  action to  terminate,  rescind or avoid this
Lease   for   any   reason,   notwithstanding   any   bankruptcy,    insolvency,
reorganization,  liquidation,  dissolution or other proceeding affecting Lessor,
or any assignee of Lessor, or any action with respect to this Lease which may be
taken by any receiver,  trustee or  liquidator,  or any assignee of Lessor or by
any court in any such proceeding. Lessee waives all rights at any time conferred
by statute or otherwise to quit, terminate or surrender this Lease or any Leased
Property  (except  as  otherwise  expressly  provided  hereinabove),  or to  any
abatement or deferment of any Basic Rent,  Additional  Obligations  or other sum
payable by Lessee hereunder, on account of any cause referred to in this Article
5 or otherwise.

         6.       Taxes and Other Charges; Law and Agreements.

         (a)  Lessee  shall pay and  discharge,  on or before  the last day upon
which the same may be paid without interest or penalty, and shall indemnify each
Indemnified Party on an after tax basis, from and against, all taxes,  including
any tax based upon or  measured  by gross  rentals or  receipts  from any Leased
Property,   assessments,   levies,   fees,  water  and  sewer  rents  and  other
governmental   and   similar   charges,   general  and   special,   ordinary  or
extraordinary,  and  whether or not the same shall have been  within the express
contemplation  of the parties  hereto,  and any interest and penalties  thereon,
which are levied,  assessed or due against (i) such Indemnified  Party and which
relate to such Indemnified  Party's  interest in any Leased  Property,  the use,

<PAGE>
                                       -6-

occupancy, operation or possession of any Leased Property or any part thereof or
the  transactions  contemplated  by the  Operative  Documents,  (ii) any  Leased
Property  or the  interest  of Lessee or Lessor  therein,  (iii)  Basic  Rent or
Additional  Obligations  or other sums  payable by Lessee  hereunder,  (iv) this
Lease or the interest of Lessee or the Indemnified  Parties  hereunder,  (v) the
use, occupancy, construction, repair or rebuilding of any Leased Property or any
portion thereof, (vi) gross receipts from any Leased Property or (vii) Taxes and
Other  Taxes  and  "Taxes"  or  terms  of like  import  as  defined  in the Loan
Agreement.  If any tax or  assessment  levied or  assessed  against  any  Leased
Property  may legally be paid in  installments,  Lessee shall have the option to
pay such tax or assessment in  installments;  provided,  however,  that upon the
termination  or expiration of the Term of this Lease with respect to such Leased
Property,  Lessee shall pay any such tax or assessment  which it has been paying
in  installments  in full, on or prior to such  termination or expiration  date,
unless  such Leased  Property is being  purchased  by Lessee  hereunder,  and no
liability could result to any Indemnified  Party due to Lessee's  failure to pay
such tax or assessment in full.  Nothing in this Lease shall require  payment by
Lessee of any franchise, estate, inheritance,  succession,  transfer, net income
or profits  taxes of any  Indemnified  Party  (including  any minimum  taxes and
withholding taxes),  except for (x) withholding taxes for which Lessor is liable
under  Section 5.9 of the Loan  Agreement or Section 3.8 of the Deed of Trust to
Agent Bank and for which Lessee shall be liable  hereunder,  (y) transfer taxes,
recording  fees,  or similar  charges  payable in  connection  with a conveyance
hereunder to Lessee or in connection  with Lessor's or Agent Bank's  exercise of
remedies  after an Event of  Default  hereunder  and (z) any gross  receipts  or
similar taxes imposed or levied upon,  assessed against or measured by the Basic
Rent,  Additional  Obligations or any other sums payable by Lessee  hereunder or
levied upon or assessed  against any Leased  Property,  (but excluding from this
clause (z), any such taxes which are in  substitution  for an income,  profit or
revenue  tax of any  Indemnified  Party,  but then  only to the  extent  of such
substitution  and only to the extent that such tax,  assessment  or other charge
would  be  payable  if such  Leased  Property  were the  only  property  of such
Indemnified  Party  subject  thereto)  (the  foregoing,  collectively,  Excluded
Taxes). Lessee shall prepare and file or cause to be filed on a timely basis all
returns and other materials  required in connection with any taxes,  assessments
or other  charges  that Lessee is required  to pay  pursuant to this  Article 6;
provided,  however,  where  legally  required,  Lessor  will sign such return or
related power of attorney.  Lessee shall furnish to Lessor promptly,  and in any
event  within  30 days  after  the  later of the date the same  becomes  due and
payable and the date of written  demand by Lessor,  as the case may be, proof of
the payment of any such tax, assessment, fee, rent or charge which is payable by
Lessee and,  upon written  demand of Lessor,  proof of the filing of all returns
and other materials required in connection therewith.

         (b) Lessee shall pay all charges for utility,  communication  and other
services  to the  extent  rendered  or used  during the Term of this Lease on or
about any Leased  Property,  whether or not payment  therefor  shall  become due
after the Term of this Lease.

<PAGE>
                                       -7-


         (c)  Lessee  shall  at all  times  during  the Term of this  Lease,  at
Lessee's own cost and expense,  perform and comply in all material respects with
all laws, rules, orders,  ordinances,  regulations and requirements now existing
or (except to the extent any exemption or so called  "grandfathering"  provision
is available to Lessee)  hereafter  enacted or promulgated,  of every government
and municipality having jurisdiction over each Leased Property and of any agency
thereof,  relating to such Leased Property,  or the improvements thereon, or the
facilities or equipment thereon or therein,  or the appurtenances to such Leased
Property,  or the  franchises  and privileges  connected  therewith,  or, to the
extent that Lessor or Lessee has any obligation or responsibility  therefor, the
streets,  sidewalks,  vaults,  vault spaces,  curbs and gutters  adjoining  such
Leased Property  (collectively,  Legal Requirements),  whether or not such Legal
Requirements so involved shall  necessitate  structural  changes,  improvements,
interference  with use and enjoyment of such Leased  Property,  replacements  or
repairs,  extraordinary  as well as  ordinary,  and Lessee  shall so perform and
comply,  whether  or not  such  Legal  Requirements  shall  now  exist  or shall
hereafter be enacted or promulgated,  and whether or not such Legal Requirements
can be said to be within the present contemplation of the parties hereto. Lessee
shall at all times  during  the Term of this  Lease,  at  Lessee's  own cost and
expense, perform and comply with the terms of all Permitted Encumbrances and any
easement granted or released pursuant to Article 34 hereof and shall perform all
of the  obligations  of Lessor  under  such  Permitted  Encumbrances  and of the
grantor or releasor  under the related  instrument  of grant or release.  Lessee
shall, at its expense, comply with all provisions of insurance policies required
pursuant  to Article  13  hereof,  and shall,  at its  expense  comply  with the
provisions of all contracts,  agreements,  instruments and restrictions existing
at the commencement of this Lease or thereafter  suffered or permitted by Lessee
(the  noncompliance with which would adversely affect any Leased Property or any
part thereof or the ownership, occupancy, use, operation or possession thereof).
Lessee shall at all times during the Term of this Lease comply with the terms of
and perform its  obligations  under the  Assignment and any consent of Lessee to
the Assignment.

         (d)  Notwithstanding  the  provisions of paragraphs  (a) through (c) of
this  Article 6 and those of Article 7, Lessee  shall have the right to contest,
by appropriate legal proceedings,  any tax, charge,  levy,  assessment,  lien or
other encumbrance,  and/or any Legal Requirement  affecting any Leased Property,
and to postpone  payment of or  compliance  with the same during the pendency of
such  contest,  provided  that (i) the  commencement  and  continuation  of such
proceedings  shall  suspend  the  collection   thereof  from,  and  suspend  the
enforcement thereof against, Lessor and any Leased Property, (ii) no part of any
Leased  Property  nor any Basic  Rent or  Additional  Obligations  or other sums
payable  by  Lessee  hereunder  shall  be in  imminent  danger  of  being  sold,
forfeited,  attached or lost,  (iii) there shall not exist (x) any  interference
with the use and  occupancy of any Leased  Property or any part thereof that has
or would have a material  adverse  effect on the fair market  value,  utility or
useful life of any Leased Property,  or (y) any interference with the payment of
Basic Rent or any Additional  Obligations (other than the portion subject to the
contest),  (iv)  Lessee  shall  promptly  prosecute  such  contest  to  a  final

<PAGE>

                                       -8-

settlement  or  conclusion,  or if Lessee  deems it  advisable  to abandon  such
contest,  Lessee  shall  promptly  pay or perform the  obligation  which was the
subject of such contest and (v) at no time during the  permitted  contest  shall
there be a risk of the  imposition of criminal  liability or civil  liability on
Lessor arising from non-payment of the contested item or non-compliance with the
contested Legal Requirement.  If any Default or Event of Default hereunder shall
have occurred and be continuing, and any such contest or contests,  individually
or in the aggregate, at any one time pending with respect to any Leased Property
shall involve an amount of money or potential loss (including  fines and similar
charges)  in  excess  of  $1,000,000,  plus any  security  theretofore  provided
pursuant to this  provision,  then  Lessee  shall  either (i)  deposit  with the
Depositary  (as defined in  subparagraph  (i) of paragraph  (b) of Article 12 of
this Lease) an amount equal to 100% of the tax, charge, levy,  assessment,  lien
or other  encumbrance  affecting  such  Leased  Property,  which  amount  may be
invested in accordance  with the terms and provisions set forth in  subparagraph
(iv) of  paragraph  (b) of Article  12 of this Lease or (ii) post an  equivalent
bond,  or  letter  of  credit  from an  institution  (other  than  Lessee or its
Affiliates)  meeting the  requirements to be a Depositary  under this Lease, for
security.  Lessee shall not postpone the payment of any such tax, charge,  levy,
assessment,  lien or other  encumbrance  for such length of time as shall permit
any Leased  Property,  or any lien thereon created by such item being contested,
to be sold by federal,  state, county or municipal authority for the non-payment
thereof;  Lessee shall not postpone  compliance with any such law, rule,  order,
ordinance,  regulation or other governmental  requirement if Lessor will thereby
be subject to criminal  prosecution or civil  liability,  or if any municipal or
other governmental  authority shall be in a position according to applicable law
to commence to  foreclose or sell any lien  affecting  all or part of any Leased
Property  which shall have arisen by reason of such  postponement  or failure of
compliance.

         (e) Without  limiting the generality of any of the other  provisions of
this Article 6, Lessee shall at all times during the Term of this Lease promptly
comply  with  the  terms  of and  fully  and  faithfully  pay  and  perform  its
obligations,  as agent, incurred under the Agency Agreement. In the event of the
termination  of this Lease as herein  provided  or Lessee's  abandonment  of any
Leased Property,  the obligations and liabilities of Lessee with respect to each
Indemnified Party, actual or contingent, under this Article 6 shall survive such
termination or abandonment.

         (f) Further  without  limiting the generality of the foregoing,  as set
forth in  Schedule  B hereto,  Lessee  agrees to pay as  Additional  Obligations
hereunder  all Taxes and Other Taxes and further  agrees to perform on behalf of
Lessor all obligations with respect thereto set forth in Section 5.9 of the Loan
Agreement.

         7. Title; Liens. Lessee represents and warrants to, and covenants with,
Lessor  that  Lessor has and shall have good fee simple  title to each and every
Leased Property,  subject only to Permitted Encumbrances,  and that Lessee shall
warrant and defend the same to Lessor  against the lawful  claims and demands of
all persons.  Subject to the  provisions  of paragraph  (d) of 

<PAGE>
                                       -9-

Article 6, Lessee will  promptly,  but in any event no later than the earlier of
30 days after its Actual  Knowledge of the filing thereof or the  enforcement of
the same, at its own expense, remove, satisfy or discharge of record, by bond or
otherwise,  any charge,  lien,  security interest or encumbrance upon any Leased
Property,  upon any Basic Rent, or upon any Additional Obligations or other sums
payable by Lessee  under  this Lease  which  arises for any reason  (except  for
Lessor Liens and any other acts or  omissions  of Lessor or anyone  claiming by,
through or under  Lessor,  without the consent of Lessee),  including  all liens
which arise out of Lessee's  possession,  use,  operation  and  occupancy of any
Leased Property, but not including any Permitted Encumbrances. Nothing contained
in this Lease  shall be  construed  as  constituting  the  consent or request of
Lessor,  express  or  implied,  to or for  the  performance  by any  contractor,
laborer,  materialman,  or vendor of any labor or services or for the furnishing
of  any  materials  for  any  construction,   alteration,  addition,  repair  or
demolition of or to any Leased  Property or any part  thereof.  Notice is hereby
given  that  Lessor  will not be liable  for any labor,  services  or  materials
furnished or to be furnished to Lessee,  or to anyone holding an interest in any
Leased  Property  or any  part  thereof  through  or under  Lessee,  and that no
mechanic's or other liens for any such labor, services or materials shall attach
to or affect the interest of Lessor in and to any Leased Property.  In the event
of the failure of Lessee to discharge  any charge,  lien,  security  interest or
encumbrance  within the time period set forth above and  otherwise as aforesaid,
except during the pendency of any contest  permitted  and conducted  pursuant to
paragraph  (d) of  Article  6,  after 10 days  prior  notice to Lessee (or after
shorter notice or without notice if prudent under the  circumstances  to prevent
enforcement or other action against  Lessor or any Leased  Property),  Lessor or
Agent Bank may discharge  such items by payment or bond or both, and Lessee will
repay to Lessor, upon demand, any and all amounts paid therefor, or by reason of
any liability on such bond, and also any and all reasonable incidental expenses,
including   reasonable   attorneys'  fees,  incurred  by  Lessor  in  connection
therewith.

         8.  Indemnification;  Fees and  Expenses.  Lessee  shall pay, and shall
protect,  defend and indemnify Lessor, Deed of Trust Trustee,  Agent Bank, Bank,
the Lenders,  Beneficiary, LC Issuer, Placement Agent, and any registered owners
from time to time of the Debt Notes and their  successors in interest,  and each
and all of such parties' shareholders, officers, directors, partners, employees,
attorneys and agents, licensees and any holder of any beneficial interest in any
of them but only in their  capacity  as such  (each,  an  Indemnified  Party and
collectively,  the Indemnified  Parties) against and hold each Indemnified Party
harmless from all liabilities,  losses,  damages,  costs (but excluding  general
administrative  costs  of such  Indemnified  Party  unrelated  to the  claim  of
indemnity  hereunder),   expenses  (including  reasonable  attorneys'  fees  and
expenses),  claims,  demands or judgments of any nature actually imposed upon or
incurred by such Indemnified Party to the extent (a) arising or alleged to arise
from or in connection with or relating to the Overall  Transaction or during the
Term of this Lease, the condition, use, operation,  maintenance,  subletting and
management of any Leased  Property,  (b) arising from or in  connection  with or
relating  to the use and  occupancy  of any Leased  Property by Lessee or anyone
claiming by, through or under Lessee as Lessee  hereunder or (c) arising from or
in 

<PAGE>
                                      -10-

connection  with any of the  following:  (i) any injury to, or the death of, any
person  or any  damage  to or loss of  property  on or  adjacent  to any  Leased
Property  or growing out of or  connected  with,  the  ownership,  use,  nonuse,
occupancy, operation, possession, condition,  construction, repair or rebuilding
of any Leased  Property or  adjoining  property,  sidewalks,  streets or ways or
resulting  from  the  condition  of any  thereof,  (ii) any  liability  actually
incurred by the Indemnified Party seeking indemnification hereunder arising from
claims  by third  parties  resulting  from any  violation  by  Lessee of (A) any
provision  of this  Lease,  or (B) any Legal  Requirement  affecting  any Leased
Property,  or (C) any  provision  of any lease  (other than this Lease) or other
agreement  relating to any Leased Property as of the date hereof or hereafter in
effect  to which  Lessee  is a party or by which  Lessee  is  bound,  or (D) any
contract or  agreement  to which  Lessee is a party,  or any  restriction,  law,
ordinance or regulation,  affecting any Leased  Property or the ownership,  use,
nonuse, occupancy, condition,  operation,  possession,  construction,  repair or
rebuilding thereof or of adjoining property,  sidewalks,  streets or ways; (iii)
any contest  permitted by paragraph  (d) of Article 6; and (iv) any violation or
alleged violation by Lessee of any of the terms and provisions hereof; provided,
however,  that any such indemnity and hold harmless provided for in this Article
8 shall not, as to any  Indemnified  Party,  be available  (A) to the extent but
only to the extent that any such losses, claims,  damages,  liabilities,  costs,
demands or judgments or related expenses  resulted from (x) the gross negligence
or  willful  misconduct  of, (y) a  material  breach of a covenant  by, or (z) a
material  misrepresentation  by, in each case, such Indemnified  Party; (B) with
respect to Lessor Liens; or (C) for Excluded Taxes. The foregoing shall not give
rise to any third party beneficiary rights with respect to any Person who is not
an Indemnified Party.

         With  respect  to  any  amount  that  the  Lessee  is  requested  by an
Indemnified  Party to pay by reason of this  Article 8, such  Indemnified  Party
shall, if so requested by the Lessee, submit such additional  information to the
Lessee as the Lessee may  reasonably  request and which is in the  possession of
such Indemnified  Party to describe the requested  payment;  but failure by such
Indemnified  Party to provide such  information  shall in no way reduce Lessee's
indemnified obligations hereunder or in any way delay its payment or performance
of its obligations hereunder.

         In case any action,  suit or  proceeding  shall be brought  against any
Indemnified  Party,  such  Indemnified  Party  shall  notify  the  Lessee of the
commencement  thereof,  and the Lessee  shall be entitled,  at its  expense,  to
participate  in,  and,  to the extent  that the Lessee  desires  to,  assume and
control the  defense  thereof;  provided,  however,  that the Lessee  shall have
acknowledged in writing its obligation to fully indemnify such Indemnified Party
in respect of such action, suit or proceedings,  and, the Lessee shall keep such
Indemnified  Party  fully  apprised  of the  status  of  such  action,  suit  or
proceeding and shall provide such  Indemnified  Party with all information  with
respect to such  action,  suit or  proceeding  as such  Indemnified  Party shall
reasonably request, and provided, further, that the Lessee shall not be entitled
to assume and control the defense of any such action,  suit or  proceeding  (and
shall pay all costs and reasonable 

<PAGE>
                                      -11-


attorneys' fees incurred by such Indemnified Party in assuming such control) if,
(A) in the reasonable opinion of such Indemnified  Party, (x) such action,  suit
or proceeding  involves any risk of imposition of criminal liability or any risk
of  imposition of material  civil  liability on such  Indemnified  Party or will
involve a material  risk of the sale,  forfeiture or loss of, or the creation of
any Lien (other than a Permitted Encumbrance) on any Leased Property or any part
thereof unless,  in the case of civil liability,  the Lessee shall have posted a
bond or other  security  satisfactory  to the  relevant  Indemnified  Parties in
respect  to such risk or (y) the  control  of such  action,  suit or  proceeding
would,  in the reasonable  opinion of the  Indemnified  Party,  involve a likely
potential  conflict of interest,  (B) such proceeding  involves Claims not fully
indemnified by the Lessee which the Lessee and the  Indemnified  Party have been
unable to sever from the  indemnified  Claim(s),  or (C) an Event of Default has
occurred  and is  continuing.  Subject to the  previous  sentence,  if Lessee is
permitted to so control such defense,  the Indemnified  Party may participate at
its own  expense  and with its own counsel in any  proceeding  conducted  by the
Lessee in  accordance  with the  foregoing.  The Lessee shall not enter into any
settlement   or  other   compromise   with  respect  to  any  Claim  subject  to
indemnification  under this Article 8 without the prior  written  consent of the
Indemnified Party, which consent shall not be unreasonably  withheld in the case
of  a  money  settlement  not  involving  an  admission  of  liability  of  such
Indemnified Party;  provided,  however,  that in the event that such Indemnified
Party withholds consent to any settlement or other compromise,  the Lessee shall
not be required to indemnify such Indemnified  Party under this Article 8 to the
extent that the  applicable  Claim (x) is for legal fees and  expenses  incurred
after the date of the proposed settlement or (y) results in a judgment in excess
of such offered money settlement.

         If such Indemnified  Party shall control such defense,  unless an Event
of Default  shall have occurred and be  continuing  no  Indemnified  Party shall
enter into any  settlement  or other  compromise  with  respect to any Claim for
which it is entitled to be  indemnified  under this  Article 8 without the prior
written consent of the Lessee, which consent shall not be unreasonably withheld,
unless such  Indemnified  Party  waives its right to be  indemnified  under this
Article 8 with respect to such Claim.

         Upon  payment  in full of any  Claim  by the  Lessee  pursuant  to this
Article 8 to or on behalf of an  Indemnified  Party,  the  Lessee,  without  any
further action,  shall be subrogated to any and all claims that such Indemnified
Party may have relating  thereto and such  Indemnified  Party shall execute such
instruments  of assignment  and  conveyance,  evidence of claims and payment and
such other documents,  instruments and agreements as may be reasonably necessary
to preserve any such subrogation rights.

         In the event of the  termination  of this Lease as herein  provided  or
Lessee's abandonment of any Leased Property,  the obligations and liabilities of
Lessee with respect to each Indemnified Party, actual or contingent,  under this
Article 8 shall survive such termination or abandonment.

<PAGE>
                                      -12-


         9. Environmental Matters.  Lessee represents and warrants (with respect
to  statements  made as of a particular  date) and  covenants  (with  respect to
future or ongoing obligations) to the Indemnified Parties that:

         (i)      at all times  during  the Term of this  Lease,  each and every
                  Leased  Property,  Lessee,  all sublessees and any assignee of
                  Lessee  shall  comply  in  all  material   respects  with  all
                  applicable  Environmental  Laws,  including  the  effecting of
                  cures in compliance  with  Environmental  Laws, if applicable;
                  Lessee has, and has ensured that all sublessees of each Leased
                  Property have, obtained all permits,  licenses,  and any other
                  authorizations  to conduct  operations at such Leased Property
                  that  are  required  under   applicable   Environmental   Laws
                  (collectively,  Environmental  Permits)  as of the  applicable
                  Lease  Closing Date with  respect to each Leased  Property and
                  shall  obtain and shall  ensure  that all  sublessees  of each
                  Leased  Property  shall  obtain and maintain in full force and
                  effect,  at all  times  during  the  Term of this  Lease,  all
                  Environmental  Permits  that  are now or  hereafter  required;
                  Lessee is, and has ensured that all  sublessees of each Leased
                  Property are in compliance  in all material  respects with all
                  terms and  conditions of all  Environmental  Permits as of the
                  applicable  Lease  Closing Date,  and Lessee shall,  and shall
                  ensure  that all  sublessees  of each Leased  Property  shall,
                  comply in all material  respects with all terms and conditions
                  of all Environmental Permits now or hereafter required; Lessee
                  shall  cause any  alterations  of, or  construction  on,  each
                  Leased  Property  to be done  in  compliance  with  applicable
                  Environmental   Laws,   and  in   connection   with  any  such
                  alterations or  construction,  shall remove and dispose of, in
                  compliance with applicable  Environmental  Laws, any Hazardous
                  Substances  present  upon any  Leased  Property  to the extent
                  required or  authorized  (as to such  disposal) by  applicable
                  Environmental Laws;

         (ii)     as of the  applicable  Lease Closing Date with respect to each
                  Leased  Property,  (a) no  notices,  complaints  or  orders of
                  violation or non-compliance  regarding alleged  violations of,
                  or  strict  liability  under,  Environmental  Laws  have  been
                  received  by Lessee or, to the best of its  knowledge,  by any
                  Person regarding such Leased Property;  (b) no federal,  state
                  or local  governmental  environmental  investigation  or legal
                  action  by a  private  party  is  pending  or,  to the best of
                  Lessee's  knowledge,  overtly  threatened,  arising  under  or
                  pursuant  to  Environmental  Laws with  regard to such  Leased
                  Property;  and (c) no liens have been  placed upon such Leased
                  Property in  connection  with any actual or alleged  liability
                  under any Environmental Laws;

         (iii)    no Leased Property (a) as of the applicable Lease Closing Date
                  with  respect  thereto has been used by Lessee or, to the best
                  of  Lessee's  knowledge,  by any  other  Person  to  generate,
                  manufacture,   refine,   produce  or  process  any   Hazardous


<PAGE>
                                      -13-

                  Substance or to store,  handle,  treat,  dispose,  transfer or
                  transport any Hazardous  Substance  other than as set forth in
                  Schedule E, as the same may be supplemented  from time to time
                  by Lease Supplements as contemplated by Article 1, solely with
                  respect to the Leased  Premises which is the subject  thereof,
                  and (b) will be used by Lessee or any sublessee or assignee of
                  Lessee at any time during the Term of this Lease to  generate,
                  manufacture,   refine,   produce  or  process  any   Hazardous
                  Substance or to store,  handle,  treat,  dispose,  transfer or
                  transport  any  Hazardous  Substance,  other  than  normal and
                  lawful uses of such Hazardous  Substances in lawful quantities
                  and in compliance with  Environmental  Laws in connection with
                  Lessee's  intended use of such Leased  Property in  accordance
                  with the provisions of Article 4, where such uses will have no
                  material adverse effect upon such Leased Property;

         (iv)     other than as set forth in Schedule E hereto,  as the same may
                  be supplemented from time to time by Lease Supplements,  as of
                  the applicable  Lease Closing Date with respect to each Leased
                  Property,  no surface impoundments are (and during the Term of
                  this Lease, none will be) constructed,  operated or maintained
                  in or on such Leased  Property  and no above  ground  tanks or
                  other containment structures will be constructed,  operated or
                  maintained  on any Leased  Property in violation of applicable
                  Environmental  Laws and no underground  storage tanks are (and
                  during  the Term of this  Lease,  none  will be)  constructed,
                  operated or maintained in or on any Leased Property; as of the
                  applicable  Lease  Closing  Date with  respect to each  Leased
                  Property,   there  is  no  asbestos  nor   asbestos-containing
                  material (except commercially  produced product in non-friable
                  bonded  form,   the  presence  of  which   complies  with  all
                  Environmental  Laws)  located  in, on, at or under such Leased
                  Property nor is there any PCB-containing equipment,  including
                  PCB-containing  transformers  located in, on, at or under such
                  Leased  Property nor will any of the  foregoing be located in,
                  on, at or under any  Leased  Property  at any time  during the
                  Term of this Lease;

         (v)      as of the  applicable  Lease Closing Date with respect to each
                  Leased Property, other than as set forth in Schedule E, as the
                  same may be supplemented from time to time by Lease Supplement
                  as  contemplated  by Article  1,  solely  with  respect to the
                  Leased  Premises  which is the  subject  thereof,  each Leased
                  Property is free of Hazardous  Substances  at, in, on, over or
                  under such Leased  Property,  regardless  of the source of any
                  such Hazardous  Substances,  except in concentrations  that do
                  not exceed  those  allowed  under or  pursuant  to  applicable
                  Environmental Laws in connection with Lessee's development and
                  intended use of such Leased  Property in  accordance  with the
                  provisions of Article 4 and none of which will have a material
                  adverse effect upon such Leased Property; and

<PAGE>
                                      -14-


         (vi)     at all times during the Term of this Lease,  other than normal
                  and  lawful  uses  of  such  Hazardous  Substances  in  lawful
                  quantities  and  in  compliance  with  Environmental  Laws  in
                  connection  with Lessee's  intended use of any Leased Property
                  in  accordance  with the  provisions  of Article 4, where such
                  uses will have no  material  adverse  effect  upon such Leased
                  Property,  neither  Lessee nor any  sublessee  or  assignee of
                  Lessee  shall,   directly  or  indirectly,   place   Hazardous
                  Substances at, in, on, over or under such Leased Property.

         Promptly upon obtaining Actual Knowledge thereof,  Lessee shall give to
Lessor notice of the occurrence of any of the following events:  (i) the failure
of any Leased Property,  Lessee,  any sublessee or assignee of Lessee to comply,
in all  material  respects,  with any  Environmental  Law;  (ii) the issuance to
Lessee or any  sublessee  of space in any Leased  Property  or any  assignee  of
Lessee, of any written notice, complaint or order of violation or non-compliance
in any material  respect  with regard to any Leased  Property or the use thereof
with respect to  Environmental  Laws;  (iii) any written  notice of a pending or
threatened  investigation  to determine  whether Lessee's (or any sublessee's or
assignee's) operations on any Leased Property are in violation,  in any material
respect, of any Environmental Law; (iv) any written notice from any governmental
agency  requiring any corrective  action with respect to any Leased  Property or
any portion thereof under any Environmental Law; (v) any written notice or other
written  communication  with respect to a pending or  threatened  private  party
judicial or  administrative  action relating to violation,  of any Environmental
Law in connection with the use,  occupancy or operation of any Leased  Property;
(vi) the  existence or threat of a release of a Hazardous  Substance at or to or
under any Leased Property or any condition  regulated by any  Environmental  Law
which is or must be  reported  to a  governmental  agency or that  could  have a
material adverse effect upon any Leased Property;  or (vii) any other occurrence
or  discovery  of any  condition  at,  adjacent to or under any Leased  Property
related to  Environmental  Laws and which would  constitute  a material  adverse
effect on such Leased Property.

         At any time if Lessor  receives  notice  that an adverse  change in the
environmental  condition of any Leased  Property has occurred or that an adverse
environmental condition with respect to any Leased Property has been discovered,
Lessor  shall give notice  thereof to Lessee,  and Lessee  shall (i)  diligently
commence (or cause another  Person to commence) to cure such  condition,  to the
extent required by applicable  Environmental  Laws (including any evaluations or
assessment of such  conditions and to develop an  appropriate  plan with respect
thereto (or cause another  Person to do so) within 30 days after receipt of such
notice (or such  shorter  period as may be required by law or in the event of an
emergency) and (ii) thereafter  diligently prosecute (or cause another Person to
diligently  prosecute) to completion such cure. If Lessee (or such other Person)
defaults in its obligations hereunder in respect of such condition,  then Lessor
may, after reasonable  prior notice to Lessee,  take such actions as it may deem
necessary to cure such condition.  Notwithstanding  the foregoing,  Lessor shall
not be  obligated  to take any actions in response  to any such  condition.  All
costs and expenses  reasonably  incurred by Lessor 

<PAGE>
                                      -15-

in  connection  with  curing  any such  condition  shall be paid by Lessee  upon
demand.  Notwithstanding  anything to the contrary  contained in this paragraph,
if, in the reasonable  professional opinion of Lessor's environmental  engineer,
such cure would  cost in excess of  $500,000  at the option of Lessor  (with the
consent of Agent Bank)  Lessor may  require  that  Lessee  purchase  such Leased
Property.  The  purchase  price  for such  Leased  Property  payable  in cash or
immediately  available federal funds shall be equal to (i) the Termination Value
payable as of the date of purchase, together with accrued and unpaid Basic Rent,
Additional Obligations and other sums payable by Lessee under this Lease, to the
date of purchase,  in each case as allocable to such Leased Property,  plus (ii)
an amount  equal to the  costs and  expenses  of  Lessor  (including  reasonable
attorneys' fees)  reasonably  incurred in connection with such sale. The sale of
such Leased Property shall be in accordance with the terms of Article 16 hereof.

         Lessee agrees to indemnify,  defend and hold harmless each  Indemnified
Party from and against any and all losses,  liabilities  (including  third party
liabilities),  injuries, damages, judgments, decrees, orders, penalties, claims,
charges, costs and expenses (including, without limitation,  reasonable fees and
disbursements of counsel,  consultants and expert witnesses for such Indemnified
Party),  which  may be  suffered  or  incurred  by,  or  asserted  against  such
Indemnified Party to the extent arising directly or indirectly out of any breach
or  violation  of  this  Article  9  or  out  of  the  presence,  use,  storage,
transportation,  disposal,  treatment,  release,  threatened release, discharge,
emission, generation or presence of any Hazardous Substances at, from, on, over,
under or in any Leased Property,  regardless of whether occurring before, during
or,  except as  otherwise  provided  herein,  after  the Term of this  Lease and
regardless  of the source of any such  Hazardous  Substances,  provided  that no
Indemnified  Party will be  indemnified  by Lessee  hereunder for  environmental
contamination  caused solely by the grossly  negligent acts of such  Indemnified
Party, its employees,  agents or assigns,  other than at the direction of Lessee
or  resulting  from  Lessee's  failure to comply  with this  Article 9, and with
respect to Lessor, other than any such liability which is imputed to Lessor (and
not due solely to  Lessor's  own gross  negligence  or willful  misconduct),  by
reason of its interest in any Leased Property.

         The warranties and  obligations of Lessee,  and the rights and remedies
of each  Indemnified  Party  under this  Article 9 are in addition to and not in
limitation of any other warranties, obligations, rights and remedies provided in
this Lease or otherwise at law or in equity.

         In the event of the termination of this Lease as to any Leased Property
as  herein  provided  or  Lessee's  abandonment  of  any  Leased  Property,  the
obligations  and liabilities of Lessee with respect to each  Indemnified  Party,
actual or  contingent,  under this Article 9 and relating to the period  through
the end of the Term of this Lease,  whether  arising  before or after the end of
the Term of this Lease, shall survive such termination or abandonment.

<PAGE>
                                      -16-

         10. Maintenance and Repair; Additions; Completion Improvements.

         (a) Lessee  acknowledges  that it has received each Leased  Property in
good  condition,  repair  and  appearance  on and as of the Lease  Closing  Date
applicable thereto. Lessee will, at its cost and expense, keep and maintain each
Leased  Property,  including any altered,  rebuilt,  additional  or  substituted
buildings,  structures  and other  improvements  thereto,  in good condition and
repair,  ordinary  wear  and  tear  (including,  without  limitation,  from  the
elements)  excepted,  and  (except as  otherwise  provided in  paragraph  (c) of
Article  12) will make all  structural  and  non-structural,  and  ordinary  and
extraordinary changes, repairs and replacements,  foreseen or unforeseen,  which
may be required,  whether or not caused by its act or omission,  to be made upon
or in connection  with the  improvements to any Leased Property in order to keep
the  same  in  such  condition,  ordinary  wear  and  tear  (including,  without
limitation,  from the elements) and the circumstances described in paragraph (c)
of Article  12  excepted,  including  taking,  or  causing  to be taken,  action
necessary  to  maintain  each  Leased  Property in  compliance  in all  material
respects  with any  applicable  Legal  Requirements,  including  all  applicable
Environmental Laws. Lessee covenants to perform or observe all terms,  covenants
or conditions of any reciprocal  easement or  maintenance  agreement to which it
may at any time be a party or to which any Leased  Property is subject as of the
Lease Closing Date with respect to such Leased  Property.  Lessee shall,  at its
expense,  use its  reasonable  efforts to  enforce  compliance  in all  material
respects  with  any  reciprocal   easement,   maintenance  or  other   agreement
benefitting  any Leased  Property by any other Person  subject to such agreement
without the  imposition  of any Lien.  Lessor shall not be required to maintain,
alter, repair,  rebuild or replace any improvements on any Leased Property or to
maintain  any Leased  Property,  and Lessee  expressly  waives the right to make
repairs  at the  expense  of Lessor  pursuant  to any law at any time in effect.
Lessee shall not abandon any Leased Property.

         (b) If it is determined  that any  Improvements  situated on any Leased
Property  at any time  during the term of this  Lease  shall  encroach  upon any
property,  street or right-of-way adjoining or adjacent to such Leased Property,
or shall  violate the  agreements  or  conditions  contained in any  restrictive
covenant affecting such Leased Property or any part thereof, or shall impair the
rights of others under or obstruct any  easement or  right-of-way  to which such
Leased  Property is subject,  then,  Lessee shall promptly notify Lessor of such
development, and at the written request of Lessor, Lessee shall, at its expense,
either (i) obtain  effective  waivers or settlements of all claims,  liabilities
and damages  resulting  from each such  encroachment,  violation,  impairment or
obstruction  whether the same shall affect Lessor,  Lessee or both, or (ii) make
such  changes in the  improvements  on such Leased  Property and take such other
action as shall be necessary to remove such encroachments or obstructions and to
end such violations or impairments,  including, if necessary,  the alteration or
removal of any  improvement  on such Leased  Property.  Any such  alteration  or
removal shall be made in  conformity  with the  following  requirements  of this
Article  10 to the  same  extent  as if  such  alteration  or  removal  were  an
alteration  under the  provisions  of paragraph (c) of this Article 10 and there
shall be no abatement of rent by reason of such alteration or removal.
<PAGE>
                                      -17-

         (c)  During the Term of this  Lease,  so long as no Default or Event of
Default hereunder has occurred and is continuing, after notice to Lessor, Lessee
may make any alterations, additions, modifications or improvements to any Leased
Property whether or not structurally  integrated with the existing  Improvements
on such Leased Property (each an Addition),  provided that: (A) no such Addition
(i) reduces the fair market value of such Leased  Property,  taking into account
any  increase in the fair market value of such Leased  Property  caused by prior
improvements  to such Leased  Property made by Lessee as permitted by this Lease
at any time during the Maximum Lease Term, (ii) adversely affects the structural
integrity  of such  Improvements,  or impairs the utility or  operation  of such
Leased Property (other than during the construction  period with respect to such
Addition), (iii) reduces the remaining useful life of such Improvements, or (iv)
violates (in any material  respect) any  agreement or  restriction  (x) to which
such Leased Property is subject or (y) which benefits such Leased Property;  (B)
Lessee shall finance  construction  of any Addition at its sole cost and expense
(i) using its own funds,  or (ii) through a borrowing  unsecured by any interest
in any Leased Property; (C) in addition to satisfying the requirements of clause
(A)  above,  any  Addition  to any  Leased  Property  the cost of which  exceeds
$250,000  shall be  consented  to by Lessor and Agent  Bank in writing  prior to
commencement  thereof;  (D) any Addition shall be made in a good and workmanlike
manner  using a quality  of  material  and  workmanship  at least as good as the
original work or installation of such  Improvements and otherwise in conformance
with the character and quality of such existing  Improvements  and in compliance
with all applicable Legal  Requirements;  (E) prior to undertaking any Addition,
Lessee  shall  deliver  to Lessor  an  Officer's  Certificate  with  respect  to
satisfaction  of the  conditions  set  forth in the  foregoing  clauses  (A)(i),
(A)(ii) and (A)(iii); (F) upon the reasonable request by Lessor, the fair market
value and the remaining useful life of such Improvements  shall be determined by
an Appraisal of the applicable Leased Property,  performed at Lessee's sole cost
and expense;  (G) any Addition may not be  encumbered  by any Lien (other than a
Permitted  Encumbrance);  and shall become the property of Lessor and subject to
this  Lease,  the  Assignment  and the Deed of  Trust  related  thereto;  (H) at
Lessor's  request,  Lessee shall within 10 Business Days thereafter  execute and
deliver to Lessor a Lease Supplement with respect to any such Additions; and (I)
Lessee's  execution of a Lease Supplement for any such Addition shall constitute
(i) Lessee's acknowledgment and certification that any work associated therewith
complies with the requirements of this Article 10 and (ii) as between Lessor and
Lessee and for purposes of the  Operative  Documents  but for no other  purpose,
Lessee's  unconditional  and  irrevocable  acceptance of such Addition for lease
hereunder,  which acceptance shall not constitute a waiver of any rights against
third parties.

         (d) In addition to Lessee's  right to construct  Additions as set forth
in subparagraph  (c) above, if Lessor shall receive an Advance and an Additional
Equity Investment to construct  Completion  Improvements under and in accordance
with the Loan  Agreement  and the  Agency  Agreement,  respectively,  Lessee may
construct or cause to be  constructed  on such Leased  Property such  Completion
Improvements upon compliance with the following provisions:

<PAGE>
                                      -18-


         (i)      Lessee shall comply with the  provisions of Section 4.2 (b) of
                  the Agency Agreement;

         (ii)     the Completion Date for such Completion  Improvements shall be
                  no more than 180 days after  commencement of the  construction
                  thereof;

         (iii)    Lessee shall comply with the  provisions  of clauses (A), (D),
                  (G), (H), and (I) of subparagraph (c);

         (iv)     Lessee  shall  cause  the   Completion   Improvements   to  be
                  substantially   completed   in   accordance   with  plans  and
                  specifications  reasonably  satisfactory  to Lessor  and Agent
                  Bank (as the same may be  modified  from time to time with the
                  approval of Agent Bank, the Approved Plans);

         (v)      Lessee shall  employ or cause to be employed a competent  work
                  force  at all  times  during  construction  of the  Completion
                  Improvements and all indemnities set forth in this Lease shall
                  apply with respect to such Completion Improvements;

         (vi)     Lessee  shall at all  times  during  the  construction  of the
                  Completion  Improvements  keep or cause to be  maintained  and
                  kept  with  respect  to the  construction  of  the  Completion
                  Improvements, accurate books, records and accounts showing all
                  materials  ordered  and  received  and all  disbursements  and
                  accounts  payable in connection  with the  construction of the
                  Completion Improvements;

          (vii)   Lessee   shall  allow   Lessor,   Agent  Bank,   the  Lenders,
                  Beneficiary and LC Issuer to enter the Completion Improvements
                  upon  reasonable   prior  written  notice  and  during  normal
                  business  hours for  purposes of  inspecting  the  progress of
                  construction of the Completion Improvements and to examine all
                  books,  accounts,  plans,  drawings,  and records with respect
                  thereto;

         (viii)   the Completion Improvements shall be Substantially Complete by
                  no later than the applicable Completion Date; and

         (ix)     upon Substantial  Completion of such Completion  Improvements,
                  Lessee shall deliver to Lessor and Agent Bank the following:

                  (A)      a new "as-built"  survey plan of such Leased Property
                           (including the Completion Improvements) to the extent
                           that the  building  "footprint"  is  altered  by such
                           Completion Improvements;

                                  
<PAGE>
                                      -19-

                  (B)      an updated  "Phase I",  and if  requested  by Lessor,
                           Agent  Bank or LC Issuer in its  reasonable  judgment
                           based upon the  "Phase I" with  respect  thereto,  an
                           updated  "Phase  II"  environmental  site  assessment
                           report  of  such  Leased  Property  performed  by  an
                           independent   environmental   engineer   selected  or
                           approved by Lessor and  approved  by Agent Bank,  the
                           Lenders and LC Issuer, at sole cost and expense,  and
                           which report  shall (x) confirm that the  performance
                           of the  Completion  Improvements  did not disclose or
                           cause  any  adverse   environmental   conditions  not
                           previously  disclosed,  and (y)  reveal  no actual or
                           potential environmental  liabilities.  If any updated
                           environmental site assessment report required by this
                           clause (C)  reveals a need for  additional  review in
                           the reasonable  judgment of Lessor,  Agent Bank or LC
                           Issuer,  Lessee, at its sole cost and expense,  shall
                           provide such additional environmental site assessment
                           reports as are required by Lessor,  Agent Bank or the
                           Lenders.  The results of all such  environmental site
                           assessment  reports must be  satisfactory  to Lessor,
                           Agent Bank, the Lenders, Beneficiary and LC Issuer;

                  (C)      within  60 days  of  Substantial  Completion  of such
                           Completion  Improvements,   a  final  certificate  of
                           occupancy; and

                  (D)      such other documents reasonably required by the Agent
                           Bank.

         If for any reason, the sum of (x) the proceeds from the Advance made by
Lenders under the Loan Agreement, and (ii) the Additional Equity Investment, are
insufficient  to pay  all  costs  of  Lessee  with  respect  to  the  Completion
Improvements,  Lessee shall,  nonetheless,  be bound and required to fulfill its
obligations  hereunder and to pay all costs of the Completion  Improvements and,
under no circumstances, shall the insufficiency of the funds available to Lessee
reduce or release Lessee from any of its obligations hereunder.

         (e) All work done in accordance  with this Article 10 shall comply with
the requirements of all insurance  policies  required to be maintained by Lessee
under  Article 13 hereof.  Lessee  shall  promptly pay all costs and expenses of
each such  Addition and  Completion  Improvements,  discharge  all liens arising
therefrom  and  procure  and  pay for  all  permits  and  licenses  required  in
connection therewith.

         11.      Trade Fixtures; Inspection.

         (a) Lessor  acknowledges and agrees that the racking systems,  shelving
systems, security systems and items of racking, shelving trade fixtures, cabling
and networks  running from the utility  closets to work stations,  machinery and
equipment for each Leased  Property (but  specifically  excluding  Improvements)
that are not  financed  by Owner  Advances  under and as  
<PAGE>

                                      -20-

defined in the Agency  Agreement as part of the Cost of the Property  related to
the  respective  Leased  Property  are and shall  remain the  property of Lessee
(Trade  Fixtures)  and be treated as "trade  fixtures"  for the purposes of this
Lease and Lessee may remove the same from such Leased Property at any time prior
to the termination of this Lease, provided that such removal does not impair the
fair  market  value,  utility or useful life of such  Leased  Property  and that
Lessee  shall  repair any damage to such  Leased  Property  resulting  from such
removal. Lessee may, at its own cost and expense,  install or place or reinstall
or replace upon or remove from any Leased Property any such Trade Fixtures.  Any
such  Trade  Fixtures  shall not  become  the  property  of Lessor  (other  than
replacements  of fixtures,  machinery  and  equipment  which are the property of
Lessor, which replacement shall also be the property of Lessor). Replacements of
fixtures,  machinery and equipment  which are property of the Lessor shall be of
at least equal quality to the replaced fixtures,  machinery and equipment at the
time  of such  replacement.  Lessee  will be  responsible  for  the  repair  and
maintenance of Trade Fixtures.  Lessor,  at Lessee's  request and expense,  will
waive or subordinate its lien on Lessee's  personal  property and Trade Fixtures
for the benefit of any equipment lessor or other person providing financing.

         (b) Upon the  request of Lessor,  Agent Bank or Lenders,  Lessee  shall
make Lessee's  records  pertaining to the  maintenance  of each Leased  Property
available  to Lessor,  Agent Bank and  Lenders  for  inspection  as  hereinafter
provided.  Lessee shall permit  Lessor,  Beneficiary,  Agent Bank,  Lenders,  LC
Issuer  and  their  agents,  at any such  party's  risk and  expense  and  after
reasonable  notice to visit and inspect (in the company of a  representative  of
Lessee) any Leased Property,  in a manner that does not  unreasonably  interfere
with Lessee's use and operation of such Leased Property at such reasonable times
during  normal  business  hours  and as  often as may be  reasonably  requested,
including,  without limitation, to make such inspections as any such party deems
necessary or desirable to insure  compliance  with the  provisions of Article 9,
Article 10, this Article 11 and Article 26.

         12.      Condemnation and Casualty.

         (a) Lessee hereby assigns to Lessor any award, compensation,  insurance
proceeds or other  payment to which Lessee may become  entitled by reason of its
interest  in any Leased  Property  (i) if any Leased  Property,  or any  portion
thereof,  is damaged or destroyed by fire or other casualty or cause, or (ii) by
reason  of any  condemnation,  requisition  or other  taking or sale of the use,
occupancy  or title to any Leased  Property or any portion  thereof in, by or on
account of any actual or threatened eminent domain proceeding or other action by
any governmental authority,  civil or military, or other Person having the power
of eminent domain. So long as there is no Event of Default continuing hereunder,
Lessee is hereby  authorized  and empowered to, at its cost and expense,  in the
name and behalf of Lessor,  Lessee,  Agent Bank or  otherwise,  to appear in any
such  proceeding or other action,  to negotiate,  accept and prosecute any claim
for any award,  compensation,  insurance proceeds or other payment on account of
any such loss, damage or destruction,  condemnation, requisition or other taking
or sale and to cause any such 

<PAGE>
                                      -21-

award,  compensation,  insurance proceeds or other payment to be paid to Lessor.
In  addition,  so long as there is no Event  of  Default  continuing  hereunder,
Lessee,  at its sole cost and expense,  shall be entitled to submit,  negotiate,
accept and prosecute a claim for any award,  compensation or insurance  proceeds
or other payment  payable to Lessee to the extent  payable for  interruption  of
business,  moving  expenses or any property  owned by Lessee that is not part of
any Leased  Property (any such  insurance  proceeds or other payment  payable to
Lessee to the extent made for  interruption of business,  moving expenses or any
property  owned by Lessee  that is not part of any Leased  Property  hereinafter
referred to as Lessee's  Loss),  and Lessee  shall  retain any award  applicable
thereto. Furthermore, Lessee shall use reasonable efforts to achieve the maximum
award obtainable under the circumstances. Lessor, Agent Bank, Beneficiary and LC
Issuer may, at their respective cost and expense (unless (x) an Event of Default
shall have occurred and be continuing;  or (y) any such Person shall  reasonably
determine  that such  appearance is necessary to protect its  respective  rights
under the  Operative  Documents,  in which  event  such  appearance  shall be at
Lessee's sole cost and expense),  appear in any such proceeding or other action,
in a manner  consistent  with the  foregoing.  All amounts so paid or payable to
Lessor or Lessee  shall be  retained  by,  or paid over to,  the party  entitled
thereto in accordance  with the provisions of any Deed of Trust and this Article
12. To the extent  that  Lessor,  Agent  Bank,  Beneficiary  or LC Issuer do not
appear and act at such proceeding,  Lessee shall take all reasonable appropriate
action in connection with each such claim, proceeding or other action, and shall
pay its costs and expenses in connection therewith.

         (b) If any Leased  Property or any part  thereof  shall be condemned or
taken  in  the  exercise  of the  power  of  eminent  domain  by any  sovereign,
municipality  or other  public  or  private  authority  or shall be  damaged  or
destroyed by fire or other  casualty,  and Lessee may not, or does not, elect to
terminate the Lease with respect to such Leased  Property  pursuant to paragraph
(c) of this  Article 12, then Lessee  shall give prompt  written  notice of such
condemnation  or casualty to Lessor and shall, at Lessee's own cost and expense,
proceed with diligence and promptness to carry out any necessary  demolition and
to restore,  repair,  replace,  and/or rebuild such Leased  Property in order to
restore such Leased Property, as nearly as practicable,  to a condition and fair
market  value not less than the  condition  required to be  maintained  and fair
market value thereof immediately prior to such taking, damage or destruction. No
repair work done by Lessee pursuant to this paragraph shall violate the terms of
any restriction, easement, condition or covenant or other matter affecting title
to any Leased  Property,  and shall be  undertaken  and  completed in a good and
workmanlike  manner  and  in  compliance  in  all  material  respects  with  the
requirements of Article 10 and with all Legal  Requirements  then in effect with
respect to the affected Leased  Property.  All work done in accordance with this
paragraph (b) of Article 12 shall comply with the  requirements of all insurance
policies required to be maintained pursuant to this Lease.

         Basic Rent and Additional  Obligations shall not abate hereunder at any
time  during the Term of this  Lease by reason of any  taking  of,  damage to or
destruction of any Leased Property,
<PAGE>
                                      -22-

and this Lease shall continue in full force and effect and Lessee shall continue
to perform and fulfill all of Lessee's  obligations,  covenants  and  agreements
hereunder notwithstanding such taking, damage or destruction.

         If a Default  or Event of Default is  continuing  hereunder,  Lessor or
Agent Bank  shall  retain the Net Award (as  defined  in  paragraph  (c) of this
Article 12) to be applied to effect  compliance with Lessee's  obligations  then
due under  Article  22 and the Net  Award  will be  applied  on  account  of and
credited  against  Lessee's  obligations  then due under  Article 22. If the Net
Award  is  less  than  the  estimated   cost  of  restoring  or  rebuilding  the
Improvements  on the affected  Leased  Property to the condition and fair market
value required above in this paragraph (b), and Lessee shall not be qualified to
be the Depositary,  as provided  below,  then Lessee shall deposit the amount by
which such estimated cost exceeds the Net Award with the Depositary as described
below or shall post an equivalent bond,  whereupon such deposit or bonded amount
shall  be part of the Net  Award  for  purposes  of this  paragraph  (c) of this
Article 12. If the Net Award does not exceed $1,000,000,  provided that there is
no Default or Event of Default continuing hereunder, then the Net Award shall be
promptly paid to Lessee to be applied to the repair and rebuilding work required
by this paragraph (b). If the Net Award exceeds $1,000,000,  provided that there
is no Default or Event of Default continuing hereunder, then:

         (i)      the full amount  thereof  shall be paid to a  depositary  (the
                  Depositary)  to  be  selected  as  hereinafter  provided.  The
                  Depositary  shall be either (x) Lessee,  so long as no Default
                  or Event of Default shall have occurred and be continuing,  or
                  (y) a bank or trust  company  located in Arizona,  New York or
                  Massachusetts,  selected by Lessee and reasonably satisfactory
                  to Lessor which is  authorized  to do business in the state in
                  which the  affected  Leased  Property is located,  New York or
                  Massachusetts,  as the case may be,  and which has a net worth
                  of $500,000,000 or more and has a senior unsecured debt credit
                  rating from  Standard & Poor's  Ratings Group (S&P) or Moody's
                  Investor Service,  Inc. (Moody's),  or any successor to either
                  entity,  of "A" or  better.  The  Depositary  (if  other  than
                  Lessee)  shall have no  affirmative  obligation to prosecute a
                  determination  of the amount  of, or to effect the  collection
                  of, any insurance  proceeds or  condemnation  award or awards,
                  unless the  Depositary  shall  have  given an express  written
                  undertaking  to do  so.  Moneys  received  by  the  Depositary
                  pursuant  to  the  provisions  of  this  Lease  shall  not  be
                  commingled with the  Depositary's  own funds and shall be held
                  by the  Depositary  in  trust  separately  for  the  uses  and
                  purposes  provided in this Lease.  The Depositary  shall place
                  any moneys held by it into an interest  bearing  account;  any
                  interest  paid or received by the  Depositary on the moneys so
                  held in trust shall be added to the moneys so held in trust by
                  the 
<PAGE>
                                      -23-

                  Depositary.  In disbursing  monies pursuant to clause (ii)
                  of this paragraph (b), the Depositary may rely conclusively on
                  the   information   contained  in  any  notice  given  to  the
                  Depositary by Lessee in accordance with the provisions of said
                  clause (ii),  unless  Lessor shall  notify the  Depositary  in
                  writing as provided in said clause (ii) that Lessor intends to
                  dispute such  information,  in which case the disputed  amount
                  shall not be  disbursed  but shall  continue to be held by the
                  Depositary until such dispute shall have been resolved.

         (ii)     Lessee may request payment out of the Net Award for the actual
                  costs and expenses  incurred by Lessee in connection with such
                  repair and rebuilding.  Such requests shall be made by written
                  notice to the Depositary, with a copy to Lessor, setting forth
                  in  reasonable  detail  all of such  costs and  expenses  then
                  incurred by Lessee.  The Depositary  shall  promptly  disburse
                  (but not  prior to the  expiration  of the five  Business  Day
                  period set forth in the last  sentence of this clause (ii) and
                  not at any time during  which a dispute  shall  exist  between
                  Lessor and Lessee as to such  amount) to Lessee out of the Net
                  Award the amount of such costs and  expenses.  If Lessor shall
                  in good faith desire to dispute the  information  contained in
                  any  notice  given by Lessee  pursuant  to this  clause  (ii),
                  Lessor shall so notify  Lessee and the  Depositary  in writing
                  within five business days after the giving of such notice (the
                  Dispute Notice), specifying the amount intended to be disputed
                  and the nature of the  dispute,  and  Lessor and Lessee  shall
                  negotiate in good faith to promptly  settle any such  dispute.
                  Within five days after delivery of the Dispute Notice,  a duly
                  authorized  representative  of Lessee and Lessor shall meet to
                  discuss  and to attempt to resolve  such  dispute.  If no such
                  resolution  has been reached  within 15 days after delivery of
                  the  Dispute  Notice,  the  dispute  shall be  referred to the
                  Applicable Officer of Lessee and to the most senior authorized
                  representative  of Lessor charged with the  administration  of
                  this Lease for resolution. Such officers shall meet to discuss
                  and attempt to resolve such  dispute  within 10 days after the
                  expiration  of such 15 day period.  If such parties are unable
                  to agree on an appropriate resolution within 15 days after the
                  end of such 15 day period,  both parties may pursue any rights
                  and remedies they may have hereunder, at law or in equity, and
                  the  Depositary  shall hold such amounts in trust  pending the
                  outcome  thereof.  The failure or refusal of either  Lessor or
                  Lessee to meet and discuss any dispute as provided above shall
                  entitle the Depositary to immediately disburse the moneys held
                  by it at  the  direction  of  the  party  not  so  failing  or
                  refusing.  Any  portion  which is not in dispute  will be paid
                  promptly.
<PAGE>
                                      -24-


          (iii)   After  reimbursement   pursuant  to  clause  (ii)  above,  any
                  remaining Net Award shall be paid pursuant to paragraph (b) of
                  Article 13.

          (iv)    Lessee may direct the investment of the amounts deposited with
                  the Depositary pursuant to clause (i) above in the following:

                           (A)  repurchase  obligations of one or more financial
                           institutions  reasonably  acceptable  to  Lessor  and
                           Agent Bank at all times  fully  secured by direct and
                           general  obligations  of the United States of America
                           or   obligations   guaranteed  as  to  principal  and
                           interest by the United States of America;

                           (B)  direct  and  general  obligations  of the United
                           States of America  or  obligations  guaranteed  as to
                           principal  and  interest  by  the  United  States  of
                           America purchased at a price of not more than par;

                           (C)  certificates of deposit of one or more financial
                           institutions  reasonably  acceptable  to  Lessor  and
                           Agent  Bank  at all  times  insured  by  the  Federal
                           Deposit  Insurance  Corporation or  collateralized by
                           obligations  of the types  described in the foregoing
                           clauses (A) and (B); or

                           (D)  commercial  paper which is rated "A-1" or better
                           (or comparable ratings) by S&P or "P-1" or better (or
                           comparable  ratings) by Moody's, or the successors to
                           such rating organizations.

                           Such  investments  of such funds shall mature in such
                           amounts and on such dates as to provide  that amounts
                           sufficient to pay the amounts requested,  and due to,
                           Lessee  shall  be  available  on the due  dates.  The
                           Depositary shall not be liable for any loss resulting
                           from the  liquidation of any such investment in order
                           to pay such amounts.  The Lessee shall be responsible
                           for  any  loss  of  principal  as  a  result  of  any
                           investments  Lessee has  directed the  Depositary  to
                           make  or  has  made  itself  in its  capacity  as the
                           Depositary.

         (c) If, at any time during the Term of this Lease all or "substantially
all" (as defined  below) of any Leased  Property  shall be condemned or taken in
the exercise of the power of eminent  domain by any sovereign,  municipality  or
other  public or private  authority  or shall be damaged or destroyed by fire or
other casualty or if, after any  condemnation,  taking or casualty of any Leased
Property,  Lessee shall have, in good faith,  determined that such condemnation,
taking or casualty has rendered such Leased Property permanently  unsuitable for
continued use in Lessee's  business for operations  similar to those utilized by
Lessee  prior to the  casualty  or  condemnation  in  question,  and shall  have
provided to Lessor an  Officer's  Certificate  to that  
<PAGE>
                                      -25-

effect,  then so long as there is no  Default  or  Event of  Default  continuing
hereunder,  Lessee may give notice to Lessor of Lessee's  intention to terminate
this Lease with respect to such Leased Property.

         "Substantially  all" of a Leased  Property shall be deemed to have been
condemned,  damaged,  destroyed  or taken,  as the case may be, if Lessee  shall
have,  in good  faith,  determined  that the  remaining  portion of such  Leased
Property  shall not be of  sufficient  size or character to permit the continued
operation  by Lessee of its  business  operations  on an  economically  feasible
basis,  assuming that such  remaining  portion had been repaired and restored to
the fullest extent reasonably practicable.

         If, pursuant to the foregoing  provisions of this paragraph (c) of this
Article 12,  Lessee  shall have  determined  not to restore an  affected  Leased
Property,  then  Lessee  shall give notice to Lessor of  Lessee's  intention  to
terminate this Lease with respect to such Leased  Property.  Lessee's  notice to
Lessor shall (i) contain a description of the relevant  condemnation,  taking or
casualty, (ii) specify the date on which this Lease shall terminate with respect
to such Leased  Property which shall be the Payment Date first occurring upon or
after the earlier to occur of (A) receipt by the party  entitled  thereto of the
applicable Net Award, and (B) 180 days after the occurrence of such condemnation
or  taking  or 180 days  after  the  occurrence  of such  casualty  (subject  to
reasonable  extension in the event the insurer has not notified Lessee within 30
days after the occurrence of any such casualty  regarding the amount of proceeds
to be awarded under the applicable  insurance  policy),  whichever is applicable
(the Termination  Date), and (iii) contain the irrevocable  commitment of Lessee
to purchase Lessor's  interest in such Leased Property (and, if applicable,  the
Net Award hereinafter  referred to), on such Termination Date for the applicable
Termination Value with respect to such Leased Property together with any accrued
and unpaid Basic Rent and Additional  Obligations  then due. On such Termination
Date Lessor shall transfer, and Lessee shall purchase,  Lessor's interest in the
affected  Leased  Property (and the Net Award, if applicable) in accordance with
the  provisions  of Article 16 hereof.  Upon  completion of such  purchase,  and
payment by Lessee of the Termination Value with respect to such Leased Property,
the accrued and unpaid Basic Rent due on such Termination  Date, any accrued and
unpaid  Additional  Obligations  then  due,  and any  other  sums owed by Lessee
pursuant  to Article  16  hereof,  the  entire  award,  compensation,  insurance
proceeds or other payment,  if any, on account of any such condemnation,  taking
or casualty,  less any expenses reasonably incurred by Lessor in collecting such
award,  compensation,  insurance  proceeds or other payment and not already paid
(or  reimbursed to Lessor) by Lessee  pursuant to the third to the last sentence
of paragraph  (a) of Article 12, shall be paid and belong to Lessee (such award,
compensation,  insurance proceeds or other payment, less such expenses, plus, in
the case of any award with respect to a condemnation  or taking,  any investment
income earned with respect to the foregoing amounts, being herein called the Net
Award).
<PAGE>

                                      -26-


         In the event  that  this  Lease  terminates  with  respect  to a Leased
Property as described in this  Article 12,  Lessee  agrees to vacate and use its
best  efforts to dispose of such Leased  Property and agrees that no use will be
made of such Leased  Property in the  business  of Lessee or any  subsidiary  or
Affiliate  thereof  for a period of one year  following  the date of purchase by
Lessee.

         (d)  Notwithstanding  any other provision to the contrary  contained in
this  Article 12, in the event of a temporary  condemnation  with respect to any
Leased  Property,  this Lease  shall  remain in full force and effect and Lessee
shall be entitled to the Net Award  allowable  to such  temporary  condemnation;
except that any portion of the Net Award  allocable to the time period after the
expiration or  termination of the Term of this Lease with respect to such Leased
Property shall be paid to Lessor.

         13.      Insurance.

         (a) Lessee  shall,  during the Term  hereof,  at its cost and  expense,
maintain  or cause to be  maintained  valid  and  enforceable  insurance  of the
following  character  and shall cause to be  delivered  to Lessor and Agent Bank
annual certificates of the insurers as to such coverage:

         (i)      "all risks" property insurance (including flood insurance with
                  respect to any Leased Property located in a flood hazard zone)
                  covering  each  Leased  Property  and  all   replacements  and
                  additions  thereto,  and  all  building  materials  and  other
                  property  which  constitute  part of any Leased  Property in a
                  manner  consistent  with  insurance  maintained  by  Lessee on
                  properties  similar to the Leased  Properties and in any event
                  in amounts not less than the actual  replacement  cost of each
                  Leased  Property  (without  depreciation)  less land and other
                  uninsurable items.

         (ii)     public liability  insurance  covering legal liability  against
                  claims for bodily injury, death or property damage,  occurring
                  on, in or about any Leased  Property and the  adjoining  land,
                  streets,  sidewalks  or  ways  or  occurring  as a  result  of
                  construction  and use and occupancy of  facilities  located on
                  any Leased Property or as a result of the construction thereof
                  or the use of products or materials  manufactured,  processed,
                  constructed  or sold,  or  services  rendered,  on any  Leased
                  Property, in the minimum amount of $10,000,000 with respect to
                  any one  occurrence,  accident  or disaster  or  incidence  of
                  negligence and with aggregate liability coverage in the amount
                  of $25,000,000. Coverage should include "premises/operations",
                  "independent    contractors",    and   "blanket   contractual"
                  liabilities.
<PAGE>
                                      -27-


         (iii)    insurance  during the course of any  construction or repair of
                  any Improvements  (including Completion  Improvements) against
                  "all risks",  including collapse and transit coverage,  during
                  construction  or repair  of such  Improvements,  covering  the
                  total value of work  performed  and  equipment,  supplies  and
                  materials  furnished,   in  an  amount  equal  to  the  actual
                  replacement cost of such Improvements  (without  depreciation)
                  less uninsurable items.

         (iv)     worker's compensation insurance (or other similar insurance or
                  self insurance  program  permitted and in compliance  with the
                  laws of the state  where  each  Leased  Property  is  located)
                  covering all Persons employed by Lessee in connection with any
                  work done on or about each  Leased  Property  with  respect to
                  which  claims  for death or bodily  injury  could be  asserted
                  against  Lessor,  Agent Bank,  Lessee or any Leased  Property,
                  complying  with  the  laws  of the  state  where  each  Leased
                  Property is located.

         (v)      such other insurance, in such amounts, against such risks, and
                  with such other  provisions  as is  customarily  and generally
                  maintained  by Lessee and its  Affiliates  with respect to its
                  other  warehouse  facilities  (which  shall  be  substantially
                  similar to  operators  of similar  properties  of a  financial
                  standing similar to Lessee).

         Such  insurance  shall be effected  under  standard or manuscript  form
policies,   issued  by  stock  or  mutual   company   insurers   of   recognized
responsibility  authorized  to do business in the state in which the  respective
Leased Property is located which are rated with a General Policy Rating of A- or
better  in  Best's  Key  Rating  Guide  or  similar  rating  by  a  national  or
international  rating organizations and shall name Lessee as insured and Lessor,
Bank,  Beneficiary,  LC Issuer Agent Bank and the Lenders as additional insureds
with  respect  to  insurance  described  in  clause  (ii)  and,  to  the  extent
applicable,  clause (v),  above,  and shall name Agent Bank as loss  payee,  for
distribution to itself (for the benefit of the Lenders), Lessor, Beneficiary, LC
Issuer and Lessee,  as their  interests  may appear,  with  respect to insurance
described in clauses (i), (iii) or, to the extent applicable,  clause (v) above.
Such  insurance  may provide for such  deductible  amounts of up to $250,000 per
occurrence and may be obtained by Lessee by endorsement on its blanket insurance
policies  provided that each Leased  Property  shall be separately  scheduled so
that no loss at any other  property shall reduce the amount payable with respect
to such Leased  Property  except for the perils of flood and  earthquake,  where
aggregate limits are usual and customary.

         (b) Any portion of the Net Award  remaining  after  Lessee has repaired
any affected  Leased  Property  pursuant to paragraph  (b) of Article 12 and has
been  reimbursed for all of its expenses  incurred in connection  with obtaining
the Net Award and effecting such repairs, shall 
<PAGE>
                                      -28-

be  delivered  to Lessee,  provided  that either the fair  market  value of such
Leased  Property after such repair is no less than the fair market value of such
Leased  Property  immediately  prior to the event of loss with  respect to which
such Net Award was paid, or that the aggregate amount of (i) such portion of the
Net Award so remaining and (ii) all amounts  thereto paid to Lessee  pursuant to
this  sentence,  does  not  exceed  $250,000.  If the fair  market  value of any
affected Leased Property has been  diminished,  taking into account any increase
in the fair market value of such Leased Property caused by prior improvements to
such Leased Property made by Lessee as permitted by this Lease or such aggregate
amounts  exceed  $250,000,  the excess  shall be retained by Lessor and shall be
applied pari passu in reduction  of the  principal  amount of the Debt Notes and
the Equity Investment, together with accrued and unpaid interest and any amounts
payable  pursuant to the terms  thereof or in respect  thereof  from such excess
amount  and not from any  additional  funds  of  Lessee  or  Lessor.  After  the
retention  of any such  amount by  Lessor,  (i) each  installment  of Basic Rent
payable on and after the second  Payment  Date  occurring  after such  retention
shall be reduced by an amount equal to the amount of the  reduction,  if any, in
payments of principal  and interest on the Debt Notes and the Equity  Investment
resulting  from the  application  of such  retained  amount to prepayment of the
principal  of the Debt Notes and the Equity  Investment,  and (ii) the  Purchase
Price,  Termination  Values,  Maximum Lessor Risk Amount and Maximum Lessee Risk
Amount for such Leased  Property  shall be reduced by amounts  that  reflect the
reductions,  if any, in principal  outstanding  on the Debt Notes and the Equity
Investment  from time to time as a result of the  application  of such  retained
amount to prepayment  of principal on the Debt Notes and the Equity  Investment;
provided however,  that Basic Rent as so reduced shall be at least sufficient to
pay each  installment  of interest on the Debt Notes and the Equity  Return when
due and the Purchase Price and Termination  Values (together with all Additional
Obligations and Basic Rent) shall be at least sufficient at all times during the
Maximum Lease Term to pay all outstanding  principal and interest under the Debt
Notes,  the  Equity  Investment  and  the  Equity  Return.   Any  reductions  in
Termination  Values,  Purchase  Prices,  Maximum Lessor Risk Amounts and Maximum
Lessee Risk Amounts made in  accordance  with this  paragraph  (b) of Article 13
shall be set forth with  specificity  on  supplements  to  Schedules  C, F and G
hereto, respectively, prepared by Lessor or Agent Bank.

         (c) In addition to the foregoing,  every insurance policy maintained in
accordance  with clauses (i) or (iii) of paragraph (a) of this Article 13 shall:
(i) name Agent Bank and LC Issuer as loss payee,  in accordance  with  paragraph
(a); (ii) contain a standard mortgagee  endorsement in substantially the form of
Schedule D hereto naming Agent Bank and LC Issuer,  as its interests may appear,
provided that any recovery  under any such policy shall be applied by Agent Bank
and LC Issuer in the manner  provided in paragraphs  (b) or (c) of Article 12 or
paragraph  (b) of this  Article 13, as  applicable;  and (iii)  provide that the
issuer  waives  all rights of  subrogation  against  Lessor,  any  successor  to
Lessor's  interests in the related Leased Property and Agent Bank and LC Issuer;
and every  insurance  policy  maintained in accordance  with clauses (i),  (ii),
(iii) or (v) of paragraph (a) of this Article 13 shall: (i) provide that 30 days
advance  written  notice (10 days with  respect to  nonpayment  of  premiums) of
cancellation,  modification,  
<PAGE>
                                      -29-

termination  or lapse of  coverage  shall be given to Lessor,  Agent Bank and LC
Issuer and that such insurance,  as to the interest of Lessor, Agent Bank and LC
Issuer, shall not be invalidated by any act or neglect of Lessor,  Lessee or any
party,  nor by any foreclosure or any other  proceedings  relating to any Leased
Property,  nor by use or  occupation  of any Leased  Property for purposes  more
hazardous  than are permitted by such policy;  (ii) be primary and without right
or provision of contribution as to any other insurance  carried by Lessor or any
other  interested  party;  and (iii) in the event any  insuring  company  is not
domiciled  within the United States of America,  include a United States Service
of Suit clause  (providing any actions  against the insurer by the named insured
or  Lessor  are  conducted  within  the  jurisdiction  of the  United  States of
America).

         (d)  Nothing in this  Article 13 shall  prevent  Lessee from taking out
insurance  of the  kind and in the  amount  provided  for  under  the  preceding
paragraphs  of this Article  under a blanket  insurance  policy (which policy or
certificates  thereof  acceptable  to Lessor shall be delivered to Lessor) which
may cover other properties owned, operated, leased or occupied by Lessee as well
as the Leased Properties;  provided, however, that any such blanket insurance of
the kind  provided  for shall not contain any clause  which would  result in the
insured  thereunder  being  required to create a reserve or carry any  insurance
with  respect  to the  property  covered  thereby in an amount not less than any
specific  percentage of the actual replacement cost of such property in order to
prevent  the named  insureds  from  becoming a  co-insurer  of any loss with the
insurer under such policy. Further, such policies of blanket insurance shall, as
respects the Leased Properties,  contain the various provisions required of such
an insurance policy by the foregoing provisions of this Article 13.

         (e) Lessee shall not obtain or carry separate  insurance  concurrent in
form or  contributing in the event of loss with that required in this Article 13
to be furnished by Lessee,  unless Lessor, Agent Bank and LC Issuer are included
therein as an additional  insured,  with loss payable as in this Lease  provided
and otherwise  complying with the  requirements of paragraph (c) of this Article
13. Lessee shall immediately  notify Lessor whenever any such separate insurance
is obtained and shall deliver to Lessor,  Agent Bank and LC Issuer  certificates
of insurers evidencing such insurance.

         (f)  Lessee  shall  deliver  to  Lessor  and  Agent  Bank  prior to the
execution of this Lease (or in the case of a Leased Property which first becomes
subject  to this  Lease  thereafter,  on the Lease  Closing  Date  with  respect
thereto)  certificates of insurance,  satisfactory to Agent Bank, evidencing all
of the  insurance  required  under  paragraph  (a) of Article 13 hereof.  Lessee
shall,  in  connection  with the  expiration of any required  insurance  policy,
deliver  to  Lessor,  Agent Bank and LC Issuer  certificates  (and upon  written
request, actual policies) of insurers evidencing the renewal of any such policy.
If Lessee fails to maintain or renew any insurance required by this Lease, or to
pay the premium therefor, or to so deliver any such certificate, then Lessor, at
its option, but without obligation to do so, may, upon ten Business Days' notice
to Lessee, procure 
<PAGE>
                                      -30-

such  insurance,  pay such  premium or  deliver  such  certificate.  Any sums so
expended by Lessor shall be Additional Obligations hereunder and shall be repaid
by Lessee within five  Business Days after notice to Lessee of such  expenditure
and the amount  thereof.  With respect to any  insurance  policy  required to be
maintained  pursuant to this Lease,  upon request of Lessor,  Agent Bank,  or LC
Issuer,  Lessee shall deliver to such requesting  party a copy of such insurance
policy.

         (g) Lessee  shall comply with all of the terms and  conditions  of each
insurance policy  maintained  pursuant to the terms of this Lease, to the extent
necessary to avoid  invalidating such insurance policy or impairing the coverage
available  thereunder.  In the event of the  termination of this Lease as herein
provided or Lessee's  abandonment of any Leased  Property,  the  obligations and
liabilities  of  Lessee  with  respect  to each  Indemnified  Party,  actual  or
contingent,   under  this  Article  13,  shall  survive  such   termination   or
abandonment.

         14.      Financial Statements; Other Information.

         (a) Lessee  will  deliver to  Lessor,  Agent  Bank,  the  Lenders,  the
Beneficiary  and LC Issuer  the  financial  statements  and other  documents  of
Guarantor  and  its  Subsidiaries  described  in  paragraph  9 of the  Guaranty.
Concurrently with the delivery of annual financial  statements pursuant thereto,
Lessee will deliver to Lessor,  Agent Bank, the Lenders,  the Beneficiary and LC
Issuer an Officer's Certificate that there exists no Default or Event of Default
under this Lease or if any such Default or Event of Default  exists,  specifying
the nature  thereof,  the period of  existence  thereof and what  action  Lessee
proposes to take with respect  thereto and a  certificate  substantially  in the
form of  Schedule  L hereto.  Lessee  will keep  adequate  records  and books of
account reflecting all its financial transactions with respect to this Lease and
the  transactions  contemplated  hereby.  In addition,  Lessee agrees upon prior
written  request to meet with  Lessor,  LC Issuer,  Agent Bank,  Lenders and any
registered  owners of  indebtedness  secured by the Deeds of Trust during normal
business hours at mutually  convenient times, from time to time, to discuss this
transaction and Lessee's business and financial condition generally.

         (b) Lessee shall deliver or cause to be delivered to Lessor, LC Issuer,
Agent Bank and Lenders such additional  information with respect to Lessee,  the
Leased Properties, the New Facilities under the Agency Agreement, this Lease and
the  transactions  contemplated  hereby,  as Lessor,  LC Issuer,  Agent Bank and
Lenders may reasonably request from time to time.

         15.      Mergers; Acquisitions; Asset Sales.

                  Provided no Event of Default has occurred  and is  continuing,
Lessee  shall  have the right to (i) merge or  consolidate  with,  acquire or be
acquired by another  corporation,  or (ii) sell,  transfer,  lease or  otherwise
convey all or substantially all its assets as an entirety,  provided that in the
case of any such merger,  consolidation,  acquisition,  sale, transfer, lease or
other 
<PAGE>
                                      -31-

transaction  (x) such successor  entity assumes all of the obligations of Lessee
under  the  Operative  Documents,  and (y) such  successor  entity  remains  (or
becomes) a Subsidiary of Guarantor.

         16.      Purchase Procedure.

         (a) In the event of the  purchase  of  Lessor's  interest in any Leased
Property  by Lessee  pursuant  to any  provision  of this  Lease,  the terms and
conditions of this Article 16 shall apply.

         (b) On the closing date fixed for the purchase of Lessor's  interest in
any or all of the Leased Properties:

         (i)      Lessee  shall pay to  Lessor,  in lawful  money of the  United
                  States in immediately  available  funds,  at Lessor's  address
                  hereinabove  stated or at any other place in the United States
                  which Lessor may  designate,  the Purchase  Price  pursuant to
                  Article 28 or  Termination  Value for such Leased  Property or
                  Leased  Properties  and  related  amounts  required to be paid
                  pursuant  to  Article  9,  paragraph  (c)  of  Article  12  or
                  paragraph  (h) of Article 22, or paragraph  (c) of Article 35,
                  whichever is applicable;

         (ii)     Lessor shall execute and deliver to Lessee good and sufficient
                  special  warranty deeds,  assignments or such other instrument
                  or instruments as may be appropriate, which shall transfer all
                  of  Lessor's   interest  in  certain  or  all  of  the  Leased
                  Properties,  as  appropriate,  including  any rights of Lessor
                  against any party  through  whom  Lessor  derived its title to
                  such  Leased  Properties,  subject  to  (A)  any  encumbrances
                  existing on the Lease Closing Date with respect  thereto,  (B)
                  Permitted  Encumbrances as defined in clauses (a) through (c),
                  and  (i)  of  the   definition   thereof,   (C)   all   liens,
                  encumbrances,  charges,  exceptions and restrictions attaching
                  to such Leased  Properties  after the Lease  Closing Date with
                  respect thereto (other than the Deed of Trust or those created
                  or caused by or through Lessor without the written  consent of
                  Lessee),  and (D) all  Legal  Requirements.  In the  case of a
                  purchase of Lessor's  interest in a Leased  Property by Lessee
                  pursuant to paragraph  (c) of Article 12 hereof,  Lessor shall
                  also pay to Lessee the Net Award, if any, and assign to Lessee
                  all rights to any award not yet received; and

         (iii)    Lessee  shall  pay all  charges  incident  to  such  transfer,
                  including  but not limited to all  transfer  taxes,  recording
                  fees,  title insurance  premiums and federal,  state and local
                  taxes,  except for any net  income or profit  taxes of Lessor,
                  Beneficiary,  Agent Bank and the holders  from time to time of
                  indebtedness  secured  by the Deed of  Trust,  and  reasonable
                  attorneys'  fees 
<PAGE>
                                      -32-

                  and  expenses of  Lessor's  counsel and counsel to the holders
                  from time to time of the  indebtedness  secured by the Deed of
                  Trust; and

         (iv)     Lessee  shall  pay  to  Lessor  all  Basic  Rent,   Additional
                  Obligations  and other sums payable by Lessee under this Lease
                  relating to such Leased  Properties,  due and payable  through
                  the date  Lessee  purchases  Lessor's  interest in such Leased
                  Properties; and

         (v)      Except  as  otherwise   provided  herein,   this  Lease  shall
                  terminate  and be of no further  force and effect with respect
                  to each Leased  Property  purchased by Lessee pursuant to this
                  Article 16.

         17.      Reserved.

         18. Quiet  Enjoyment.  So long as no Event of Default  under this Lease
shall have occurred and be continuing,  Lessor  covenants  (subject to the first
sentence  of Section 7) that  Lessee  shall and may at all times  peaceably  and
quietly  have,  hold and enjoy the  Leased  Properties  during  the Term of this
Lease. Notwithstanding the preceding sentence upon the occurrence and during the
continuance of an Event of Default,  Lessor may exercise its rights and remedies
under paragraph (b) of Article 22 and Lessor,  Agent Bank and LC Issuer or their
agents may enter upon and inspect the Leased  Properties in accordance  with the
provisions of Article 11 hereof. Lessor shall keep the Leased Properties free of
Lessor Liens. Any failure by Lessor to comply with the foregoing  warranty shall
not give Lessee any right to cancel or terminate the Lease, or to abate,  reduce
or  make  deduction  from  or  offset  against  any  Basic  Rent  or  Additional
Obligations  or other sum  payable  under this  Lease,  or to fail to perform or
observe any other covenant,  agreement or obligation  hereunder.  Subject to the
foregoing  sentence,  Lessee shall have the right to obtain  injunctive or other
relief against Lessor for breach of the aforesaid covenant of peaceful and quiet
possession and enjoyment of each Leased Property.

         19.  Survival.  In the  event of the  termination  of this  Lease  with
respect to one or more  Leased  Property,  or all of the Leased  Properties,  as
herein provided, the obligations and liabilities of Lessor and Lessee, actual or
contingent,  under this Lease which arose at or prior to such termination  shall
survive such termination except as otherwise expressly provided herein.

         20.      Subletting; Assignment.

         (a) Subject to  paragraphs  (c) and (d) of this Article 20,  Lessee may
sublet the Leased Property or any portion or portions thereof, provided that (i)
no Default or Event of Default  under this Lease has occurred and is  continuing
on the date such sublease is entered into, (ii) each sublease shall expressly be
made subject and  subordinate  to the  provisions  of this Lease and any Deed of
Trust and shall be expressly  subject to  termination in the event this Lease is
<PAGE>
                                      -33-

terminated  pursuant  to  Article  28(b),  Article  30(b) or an Event of Default
hereunder,  (iii) each such  sublease  shall  contain  standards  with regard to
maintenance, repair, use, condition upon surrender and other matters relevant to
the fair market value of Lessor's  interest in the affected Leased Property,  or
the utility and useful  life of such  Leased  Property  which are no less strict
than those  hereunder,  and shall  prohibit  further  subleasing and (iv) Lessee
shall give Lessor,  Agent Bank and LC Issuer the 30 days prior written notice of
any such sublease in accordance with subsection (d) below.

         (b) Lessee may not assign its interest under this Lease except with the
prior written consent of Lessor,  which consent may be withheld in Lessor's sole
and absolute  discretion,  and subject to paragraphs (c) and (d) of this Article
20 and  provided  that such  assignment  shall  expressly  be made  subject  and
subordinate to the terms of this Lease.

         (c)  No  such  sublease  or  assignment  shall  affect  or  reduce  any
obligations  of Lessee or rights of Lessor  hereunder,  and all  obligations  of
Lessee hereunder shall continue in full effect as the obligations of a principal
and not of a guarantor or surety, as though no subletting or assignment had been
made.

         (d) Lessee  shall,  (i) at least 30 days prior to the  execution of any
such sublease,  deliver to Lessor an Officer's  Certificate  providing notice of
Lessee's  intention to sublet in each case,  which shall include the identity of
the  proposed  sublessee  and  stating  that  such  sublease  complies  with the
provisions  of  paragraph  (a) of  this  Article  20 and  contains  the  express
subordination   required   thereby  and  that  Lessee  has  made  a  good  faith
determination that such sublease does not adversely affect the fair market value
of Lessor's  interest in the affected Leased Property,  or the utility or useful
life of such Leased Property and (ii) within 30 days after such execution, shall
so  deliver a  conformed  copy of such  sublease  (with  acknowledgments)  and a
conformed  copy of any short form lease or  memorandum  of lease  which has been
prepared for recording purposes.

         (e) Neither this Lease nor the Term of this Lease shall be mortgaged by
Lessee, nor shall Lessee mortgage or pledge the interest of Lessee in and to any
sublease of any Leased  Property or any  portion  thereof or the rental  payable
thereunder  except as  permitted  hereunder.  Any such  prohibited  mortgage  or
pledge,  and any sublease or assignment  not permitted by this Article 20, shall
be void.

         (f) Lessor may assign,  convey or otherwise transfer its estate, right,
title and interest hereunder or in the Leased Properties, or any portion thereof
in the manner provided by the Operative  Documents (i) to Agent Bank, or (ii) to
LC Issuer or any Person  controlled by or controlling or under common control of
LC Issuer (subject to any  restrictions on such right of Lessor set forth in the
Deed of Trust);  provided,  however, that the execution and delivery of any such
assignment,  conveyance  or other  transfer  shall not  impair or  diminish  any
obligations  of  
<PAGE>
                                      -34-

Lessor  hereunder.  Any such  assignment,  conveyance or other transfer shall be
subject to this Lease.  In connection  with any such  assignment,  conveyance or
other  transfer,  Lessee  hereby  agrees  to make  any  payments  due to  Lessor
hereunder  to any  assignee  or  other  successor  in  interest  at the  written
direction  of Lessor.  In the absence of any such written  direction,  Lessee is
authorized to continue to make all payments to Lessor or in accordance  with the
most recent Lessor direction.

         21.  Advances  by Lessor.  If Lessee  shall fail to make or perform any
payment or act required by this Lease,  then, upon 30 days' notice to Lessee (or
upon shorter notice,  or with no notice at all, to the extent  necessary to meet
an emergency or a  governmental  or municipal  time  limitation or to prevent an
event of default (after  applicable  notice and cure periods) under any mortgage
affecting any Leased Property), Lessor or Agent Bank may at its option make such
payment or perform  such act for the  account  of Lessee,  and Lessor  shall not
thereby  be deemed to have  waived  any  default  or  released  Lessee  from any
obligation hereunder. Lessor shall give Lessee prompt notice of any such payment
or act including the amount and payee, but failure to give such notice shall not
impair Lessor's rights to  reimbursement  for amounts so paid or otherwise limit
Lessee's obligations hereunder in any way whatsoever.  Amounts so paid by Lessor
and all incidental costs and expenses (including  reasonable attorneys' fees and
expenses) incurred in connection with such payment or performance, together with
interest  thereon at the Overdue  Rate with  respect to  Additional  Obligations
provided in Article 3, from the date advanced through the date repaid by Lessee,
shall constitute Additional Obligations and shall be paid by Lessee to Lessor on
demand.

         22.      Conditional Limitations -- Events of Default and Remedies.

         (a) Any of the following  occurrences or acts shall constitute an Event
of  Default  under this Lease and Lessee  shall  promptly  notify  Lessor of the
occurrence thereof:

         (i)      if  Lessee  shall  (A)  default  in  making   payment  of  any
                  installment  of Basic Rent or  Additional  Obligations  (other
                  than as provided in (viii) below) which default shall continue
                  for two  days  after  the same  shall  be due,  or (B) fail to
                  observe  or  perform  any  of  the  covenants,  agreements  or
                  obligations of Lessee set forth in Articles 13, 15, 20, 26, 28
                  or 30 hereof; or

         (ii)     if Lessee shall  default in the  performance  of any covenant,
                  agreement or  obligation on the part of Lessee to be performed
                  under this Lease,  other than such  covenants,  agreements  or
                  obligations that are specifically referred to in other clauses
                  of this  paragraph  (a) of Article 22, or in any  agreement or
                  certificate furnished to Lessor, Beneficiary or any Lender, in
                  connection  with this Lease,  and such default shall  continue
                  for any 

<PAGE>
                                      -35-

                  specific  period  expressly  provided  with  respect  to  such
                  covenant,  agreement  or  obligation,  or if no such  specific
                  period  is  provided,  for a period of 30 days  after  written
                  notice thereof from Lessor or Agent Bank;  provided,  however,
                  that  with  respect  to any  contest  by  Lessee  pursuant  to
                  paragraph (d) of Article 6 hereof,  any failure to comply with
                  the  conditions  precedent  to the right to so  contest  shall
                  constitute an immediate Event of Default hereunder; or

         (iii)    (A) if Lessee or Guarantor or any  successor  thereto shall be
                  in default (after the passage of any applicable  grace period)
                  (i) under any lease,  loan  agreement  or  similar  agreement,
                  instrument or document  heretofore,  now or hereafter  entered
                  into between Lessee or Guarantor or any successor  thereto and
                  Beneficiary   or  any  parent,   subsidiary  or  affiliate  of
                  Beneficiary  and such default  shall have been declared by the
                  party  entitled  to  declare  the  same,  or  (ii)  under  any
                  promissory  note  heretofore,  now or  hereafter  executed  by
                  Lessee or Guarantor or any successor  thereto and delivered to
                  Beneficiary   or  any  parent,   subsidiary  or  affiliate  of
                  Beneficiary evidencing a loan made by any such party to Lessee
                  or Guarantor or any successor thereto, as applicable, or (iii)
                  an attachment or other lien shall be filed or levied against a
                  substantial part of the property of Lessee or Guarantor or any
                  successor thereto,  and such attachment or lien shall continue
                  unstayed,  undischarged or bonded (to Agent Bank's  reasonable
                  satisfaction)  for a period of 30 days thereafter;  or (B) (i)
                  non-  payment  of  any  indebtedness  owed  to any  Lender  by
                  Guarantor  or any  Subsidiary;  or (ii)  the  occurrence  of a
                  default  by  Guarantor  or any  Subsidiary  under  any  credit
                  agreement   (including,   without   limitation,   the   Credit
                  Agreement),  promissory  note or similar  agreement with or in
                  favor of any Lender,  where such default  entitles such Lender
                  (or the agent or  representative of such Lender) to accelerate
                  such indebtedness;

         (iv)     if Lessee,  Guarantor,  or any entity  succeeding to Lessee or
                  Guarantor by merger,  consolidation  or  acquisition of all or
                  substantially  all of its  assets,  shall file a  petition  in
                  bankruptcy  or  for   reorganization  or  for  an  arrangement
                  pursuant  to the  Bankruptcy  Act, or shall be  adjudicated  a
                  bankrupt or become  insolvent or shall make an assignment  for
                  the  benefit of its  creditors,  or shall admit in writing its
                  inability  to pay its debts  generally  as they become due, or
                  shall  be  dissolved,   or  shall   suspend   payment  of  its
                  obligations, or shall take any corporate action in furtherance
                  of any of the foregoing; or
<PAGE>
                                      -36-

         (v)      if  a  petition  or  answer  shall  be  filed   proposing  the
                  adjudication of Lessee,  Guarantor or any entity succeeding to
                  Lessee or Guarantor by merger, consolidation or acquisition of
                  all or  substantially  all of its assets as a bankrupt  or its
                  reorganization pursuant to the Bankruptcy Act, and (A) Lessee,
                  Guarantor or any successor  entity shall consent to the filing
                  thereof,   or  (B)  such  petition  or  answer  shall  not  be
                  discharged or denied within 60 days after the filing  thereof;
                  or

         (vi)     if  a  receiver,  trustee  or  liquidator  (or  other  similar
                  official)  shall be appointed for or take possession or charge
                  of Lessee,  Guarantor  or any entity  succeeding  to Lessee or
                  Guarantor by merger,  consolidation  or  acquisition of all or
                  substantially  all of its assets,  or of all or  substantially
                  all of the  business  or assets of  Lessee,  Guarantor  or any
                  successor entity or of Lessee's,  Guarantor's or any successor
                  entity's estate or interest in any Leased Property,  and shall
                  not be  discharged  within 60 days  thereafter,  or if Lessee,
                  Guarantor  or  any  successor   entity  shall  consent  to  or
                  acquiesce in such appointment; or

         (vii)    if Lessee  or  Guarantor  or any  successor  thereto  fails to
                  maintain its legal  existence in good standing,  other than in
                  accordance with the provisions of this Lease; or

         (viii)   if Lessee shall fail to pay any Adjustment Price,  Termination
                  Value,  Purchase  Price, or Maximum Lessee Risk Amount payable
                  to Lessor as required by this Lease; or

         (ix)     if any  Leased  Property  shall  have  been  left  unattended,
                  unsecured and without  maintenance  in violation of Article 10
                  hereof for a period of 30 days; or

         (x)      if, as of the time when the same  shall  have been  made,  any
                  representation  or warranty of Lessee or  Guarantor  set forth
                  herein  or  in  the  Guaranty  or  in  any  consent,   notice,
                  certificate,  demand, request or other instrument delivered by
                  or on  behalf  of  Lessee  or  Guarantor,  as  applicable,  in
                  connection  with or  pursuant  to this  Lease or the  Guaranty
                  shall  prove  to have  been  incorrect  or  misleading  in any
                  material respect when made; or

         (xi)     if a final  judgment  for the  payment  of money in  excess of
                  $5,000,000 (net of insurance  proceeds or escrows received and
                  held under escrow  arrangements  satisfactory to Lessor and to
                  Agent Bank) shall be rendered  against Lessee or Guarantor and
                  Lessee or Guarantor, as applicable, shall 

<PAGE>
                                      -37-

                  not comply with such judgment,  or discharge the same or cause
                  it to be discharged  within 30 days from the entry thereof (or
                  until the  expiration  of the period in which an appeal may be
                  filed if such period  should be  longer),  or shall not appeal
                  therefrom  or from the order,  decree or process upon which or
                  pursuant to which said judgment was granted, based or entered,
                  and secure a stay of execution pending such appeal; or

         (xii)    if Lessee or Guarantor has failed to make one or more payments
                  due  or  has  otherwise  defaulted  on  any  indebtedness  for
                  borrowed  money or under any capital  leases which  failure or
                  default has resulted in  $10,000,000  or more in the aggregate
                  becoming due before its stated maturity or becoming subject to
                  a mandatory  prepayment,  redemption  or  purchase  obligation
                  before its regularly scheduled dates of payment; or

         (xiii)   if any  Event of  Default  (as  defined  therein)  shall  have
                  occurred and be continuing  under the Agency  Agreement or the
                  Guaranty; or

         (xiv)    if Lessee shall fail to surrender  any Leased  Property as and
                  when required and in the condition required in accordance with
                  Article 26; or

         (xv)     if any default (subject to any applicable grace periods) shall
                  have  occurred and be continuing  under the  Assignment or the
                  Assignment of Guaranty; or

         (xvi)    if Agent  Bank  fails to draw under the Letter of Credit or if
                  the LC Issuer  refuses  to honor a draft  presented  under the
                  Letter of Credit in either  case by reason of a Default  or an
                  alleged Default under this Lease specified by the LC Issuer by
                  notice to Lessee,  Lessor,  Beneficiary  or Agent Bank, or the
                  existence  or  alleged  existence  of a  lien  or  encumbrance
                  affecting any Leased Property (except a Permitted  Encumbrance
                  or a lien or encumbrance  granted or placed thereon by Lessor,
                  Beneficiary or any Lender); or

         (xvii)   Lessee  shall fail to deliver to Agent Bank the  consent of LC
                  Issuer as provided in the second  paragraph  of Section  28(b)
                  hereof.

         (b) This Lease and the term and estate  hereby  granted  are subject to
the  limitation  that  whenever an Event of Default  shall have  occurred and be
continuing,  Lessor may, at Lessor's option,  elect to (i) lawfully re-enter the
Leased  Properties,  without  notice except as otherwise  provided by applicable
law,  and  remove  all  Persons  and  property  therefrom,   either  by  summary
proceedings  or by any other  suitable  action or proceeding at law, or by other
lawful 
<PAGE>
                                      -38-

means, without being liable to indictment,  prosecution or damages therefor, and
may have, hold and enjoy the Leased Properties,  together with the appurtenances
thereto and the  improvements  thereon;  and/or (ii) terminate this Lease at any
time by giving notice in writing to Lessee, electing to terminate this Lease and
specifying the date of  termination,  and the Term of this Lease shall expire by
limitation  at  midnight  on the date  specified  in such  notice  as fully  and
completely  as if said  date  were  the date  herein  originally  fixed  for the
expiration  of the Term hereby  granted,  and Lessee  shall  thereupon  quit and
peacefully  surrender the Leased  Properties  to Lessor in  accordance  with the
provisions  of Article 26 hereof,  without any payment  therefor by Lessor,  and
upon the  date  following  the date  specified  in such  notice,  or at any time
thereafter,  Lessor  may  re-enter  the Leased  Properties  as  provided  in the
preceding clause (i).

         (c) In case of any such re-entry,  termination and/or  dispossession by
summary  proceedings  or  otherwise  as  provided in the  immediately  preceding
paragraph,  (i) the Basic  Rent and  Additional  Obligations  shall  become  due
thereupon  and be paid up to the  time of such  re-entry,  dispossession  and/or
expiration,  together with such expenses,  including reasonable attorneys' fees,
as Lessor  shall incur in  connection  with such  re-entry,  termination  and/or
dispossession by summary  proceedings or otherwise;  and (ii) Lessor may in good
faith relet any Leased Property or any part or parts thereof (but shall be under
no obligation to do so),  either in the name of Lessor or otherwise,  for a term
or terms which may, at Lessor's  option,  be equal to or less than or exceed the
period which would  otherwise have  constituted  the balance of the Term of this
Lease;  and (iii)  Lessee shall also pay to Lessor the amount by which the Basic
Rent  provided  for in this Lease  exceeds the net amount,  if any, of the rents
collected  on account of the leases of the Leased  Properties  for each  monthly
portion of the period which would  otherwise have  constituted  the Term of this
Lease,  which  amounts  shall be paid in monthly  installments  by Lessee on the
respective  Payment Dates  specified  therefor,  and any suit brought to collect
said amounts for any monthly period shall not prejudice in any way the rights of
Lessor to collect the deficiency in any  subsequent  monthly period by a similar
action or proceeding; and (iv) Lessee shall also pay to Lessor all other damages
and  expenses  which  Lessor shall  reasonably  have  sustained by reason of the
breach of any provision of this Lease,  including without limitation  reasonable
attorneys' fees and expenses,  brokerage  commissions  and expenses  incurred in
altering,  repairing  and putting the Leased  Properties  and any  buildings and
improvements  thereon in good order and  condition and in preparing the same for
reletting,  which  expenses  shall be paid by  Lessee  as they are  incurred  by
Lessor;  or (v) at the option of Lessor exercised at any time,  Lessor forthwith
shall be entitled to recover upon demand from Lessee as liquidated  damages,  in
addition  to any other  proper  claims but in lieu of and not in addition to any
amount which would  thereafter  have become  payable under the preceding  clause
(iii) the  Termination  Value for the date on which Lessor demands such payment,
together  with any accrued and unpaid  Basic Rent,  Additional  Obligations  and
other sums  payable as of the date of such demand by Lessee under this Lease and
any  Assignment,  whereupon  Lessor  shall  transfer and convey to Lessee all of
Lessor's right,  title and interest in and to the Leased Properties  pursuant to
the terms of Article 16. In the event of  Lessor's  acting  under the  foregoing
clauses (i), (ii), (iii) or (iv),

<PAGE>
                                      -39-

Lessor, at Lessor's option, may make such alterations, repairs or decorations to
the  existing  Improvements  on any Leased  Property  for uses  similar to those
originally intended,  as Lessor, in Lessor's sole judgment,  considers advisable
and necessary for the purpose of reletting such Leased Property;  and the making
of such alterations or decorations  shall not operate or be construed to release
Lessee from  liability  hereunder as aforesaid.  Any amounts  received by Lessor
pursuant  to the  exercise  of  Lessor's  remedies  shall be applied to Lessee's
obligations  hereunder and credited  against any amounts payable by Lessee under
this Lease.

         (d) No receipt of moneys by Lessor from Lessee after a  termination  of
this Lease by Lessor shall reinstate,  continue or extend the Term of this Lease
or affect any notice  theretofore given to Lessee, or operate as a waiver of the
right of Lessor to enforce the payment of Basic Rent and Additional Obligations,
and any  Purchase  Price,  Termination  Value or  related  amounts to be paid by
Lessee  to  Lessor  for  the  purchase  of the  Leased  Properties  then  due or
thereafter  falling due, it being agreed that after the commencement of suit for
possession  of the Leased  Properties,  or after final order or judgment for the
possession of the Leased Properties,  Lessor may demand, receive and collect any
moneys due or thereafter  falling due without in any manner affecting such suit,
order or judgment, all such moneys collected being deemed payments on account of
the use and  occupation of the Leased  Properties or, at the election of Lessor,
on account of Lessee's  liability  hereunder.  Lessee  hereby waives any and all
rights of redemption  provided by any law, statute or ordinance now in effect or
which may hereafter be enacted. Lessor shall have, receive and enjoy as Lessor's
sole and absolute property, without right or duty to account therefor to Lessee,
any and all sums  collected by Lessor as rent or otherwise  upon  reletting  any
Leased  Property after Lessor shall resume  possession  thereof as  hereinbefore
provided,  including,  without  limitation upon the generality of the foregoing,
any amounts by which the sum or sums so collected  shall  exceed the  continuing
liability of Lessee hereunder.

         (e) The word "re-enter", as used in this Lease, is not and shall not be
restricted to its technical  legal  meaning,  but is used in the broadest  sense
under  applicable  law. No such taking of possession  of any Leased  Property by
Lessor shall  constitute  an election to terminate the Term of this Lease unless
notice  of such  intention  be given to Lessee or  unless  such  termination  be
decreed by a court having jurisdiction.

         (f) If an action shall be brought for the  enforcement of any provision
of this Lease, Lessee shall pay to Lessor all reasonable out-of-pocket costs and
expenses  which may become  payable as a result  thereof,  including  reasonable
attorneys' fees and expenses.

         (g) No right or remedy herein  conferred  upon or reserved to Lessor is
intended  to be  exclusive  of any other  right or remedy,  and every  right and
remedy shall be cumulative and in addition to any other legal or equitable right
or remedy given  hereunder,  or at any time  existing.  The failure of Lessor to
insist upon the strict  performance  of any provision or to exercise any option,
right,  power or remedy  contained  in this Lease  shall not be  construed  as a
waiver or a

<PAGE>
                                      -40-

relinquishment  thereof for the  future.  Receipt by Lessor of any Basic Rent or
Additional  Obligations or any other sum payable hereunder with knowledge of the
breach of any provision contained in this Lease shall not constitute a waiver of
such  breach,  and no waiver by Lessor of any  provision  of this Lease shall be
deemed  to  have  been  made  unless  made  under  signature  of  an  authorized
representative of Lessor.

         (h)  Notwithstanding  anything to the contrary contained in this Lease,
not later than 30 days after the  occurrence  and during the  continuance  of an
Event of Default  (other than an Event of Default  pursuant  to clauses  (i)(A),
(iv),  (v) or (vi) of  Article  22(a)),  Lessee  shall  have the right to pay to
Lessor in cash or immediately  available  federal funds all amounts then owed to
Lessor,  Beneficiary  and  Lenders  pursuant to this Lease  (including,  without
limitation,  all  accrued  and unpaid  amounts of Basic Rent and any  Additional
Obligations) and an amount equal to Termination  Value and upon such payment the
Leased  Properties  shall be  reconveyed to Lessee or its designee in accordance
with the provisions of Article 16 hereof.

         23. Notices. All notifications,  notices,  demands,  requests and other
communications  herein  provided for or made pursuant hereto shall be in writing
and shall sent by (i) registered or certified  mail,  return receipt  requested,
and the  giving  of such  communication  shall be deemed  complete  on the third
Business  Day after the same is  deposited  in a United  States Post Office with
postage charges prepaid, or (ii) reputable  overnight delivery service,  and the
giving  of such  communication  shall  be  deemed  complete  on the  immediately
succeeding Business Day after the same is deposited with such delivery service:

         (a)      if to  Lessor,  addressed  to such  party  at 10  State  House
                  Square,  Hartford,  Connecticut  06103,  Attention:  Corporate
                  Trust  Administration,   or  at  such  other  address  in  the
                  continental  United  States as Lessor may furnish to Lessee in
                  writing, or

         (b)      if to Lessee,  addressed to such party at 745 Atlantic Avenue,
                  Boston,  Massachusetts 02111 Attention:  Treasurer, or at such
                  other addresses in the continental United States as Lessee may
                  furnish to Lessor in writing.

         24.  Estoppel  Certificates.  Each party hereto agrees that at any time
and from time to time during the term of this Lease, it will promptly, but in no
event later than 21 days after  request by the other party hereto  (which in the
case of Lessor may include Agent Bank or the Lenders), execute,  acknowledge and
deliver  to such  other  party  or to any  prospective  purchaser,  assignee  or
mortgagee  designated by such other party, a certificate stating, to the best of
such party's knowledge,  (a) that this Lease is unmodified and in full force and
effect  (or if there have been  modifications,  that this Lease is in full force
and effect as modified,  and setting forth any  modifications);  (b) the date to
which Basic Rent,  Additional  Obligations and other sums payable hereunder have
been paid; (c) whether or not there is an existing Default by Lessee in the

<PAGE>
                                      -41-

payment  of Basic  Rent or any  other sum of money  due or  required  to be paid
hereunder, and whether or not there is any other existing Default by Lessee with
respect to which a notice of Default  has been served or of which the signer has
Actual Knowledge,  and, if there is any such Default,  specifying the nature and
extent  thereof;  (d)  whether  or  not  there  are  any  setoffs,  defenses  or
counterclaims  against  enforcement of the obligations to be performed hereunder
existing in favor of the party executing such certificate;  and (e) stating that
Lessee is in possession of the Leased Properties or setting forth the parties in
possession  and  identifying  the  instruments   pursuant  to  which  they  took
possession.  Any such  estoppel  certificates  delivered  by the Lessee shall be
directed to Lessor, Agent Bank and the Lenders,

         25. No Merger.  As an inducement to the purchasers of any Debt Notes to
purchase  such Debt  Notes,  and to  consummate  the  transactions  contemplated
thereby and by the Loan Agreement,  and acknowledging that such purchasers would
not advance funds without this Lease,  and that Lessor would not enter into this
Lease without the prospect of obtaining such borrowed funds,  Lessee agrees that
there shall be no merger of this Lease or of any sublease under this Lease or of
any leasehold or  subleasehold  estate hereby or thereby created with the fee or
any other  estate or  ownership  interest  in any  Leased  Property  or any part
thereof by reason of the fact that the same person,  firm,  corporation or other
entity may acquire or own or hold, directly or indirectly, (a) this Lease or any
sublease or any leasehold or  subleasehold  estate  created hereby or thereby or
any  interest  in this Lease or any such  sublease or in any such  leasehold  or
subleasehold  estate  and (b) (i) the fee  estate or other  estate or  ownership
interest  in any Leased  Property  or any part  thereof  or (ii) the  Beneficial
Interest,  and this  Lease  shall  not be  terminated  for any  cause  except as
expressly provided herein and any instrument of transfer shall so provide.

         26.      Surrender and Return.

         (a) Upon the  expiration  or  earlier  termination  of the Term of this
Lease with  respect to each Leased  Property,  and provided  that Lessee,  if so
entitled,  has not  exercised  its  option to  purchase  the  Leased  Properties
pursuant to Article 28 or otherwise hereunder,  Lessee shall peaceably leave and
surrender  and return each Leased  Property to Lessor in the  condition in which
such Leased Property  existed on the applicable  Lease Closing Date with respect
thereto, except as repaired,  rebuilt, restored, altered or added to as required
by or  permitted  by any  provision  of  this  Lease  (ordinary  wear  and  tear
excepted).  Lessee  shall  remove from each Leased  Property on or prior to such
expiration or earlier termination all property situated thereon which is not the
property  of Lessor,  and each Leased  Property  shall be broom clean and Lessee
shall repair any damage  caused by such  removal.  Property not so removed shall
become the property of Lessor,  and Lessor may cause such property to be removed
from the Leased  Properties and disposed of, and Lessee shall pay the reasonable
cost of any such removal and  disposition  and of repairing any damage caused by
such removal.
<PAGE>
                                      -42-

         (b) Except for surrender upon the expiration or earlier  termination of
the Term in accordance with the express terms hereof,  no surrender to Lessor of
this Lease or of any Leased  Property shall be valid or effective  unless agreed
to and accepted in writing by Lessor.

         (c)  Without  limiting  the  generality  of  the  foregoing,  upon  the
surrender and return of any Leased  Property to Lessor  pursuant to this Article
26,  (i) the  appraisal  delivered  pursuant  to  Section  5.1.16 of the  Agency
Agreement shall have been  satisfactory to LC Issuer,  (ii) each Leased Property
shall (A) be capable of being immediately utilized by a third-party purchaser or
third-party lessee without further inspection, repair, replacement,  alterations
or  improvements,  licenses,  permits,  or  approvals,  except  for  any  of the
foregoing  required  solely by virtue of the change in ownership  (other than to
Lessor or Agent Bank),  use or occupancy of such Leased  Property,  and shall be
free of any conditions  that would interfere with such a purchaser's or lessee's
use and enjoyment of such Leased Property in accordance with Legal  Requirements
and  Environmental  Laws,  (B) be in accordance  and  compliance  with all Legal
Requirements and Environmental Laws including,  without  limitation,  any of the
foregoing required by virtue of a change in ownership,  use or occupancy of such
Leased Property, (C) be free and clear of any charge, lien, security interest or
encumbrance except for Permitted  Encumbrances  described in clauses (a) and (c)
through (g) of the  definition  thereof,  any liens for taxes,  assessments  and
other governmental charges, which are not then due and payable and which are not
allocable to the period  before the date of  termination  or  expiration of this
Lease, and Lessor Liens and any other liens or encumbrances  arising solely from
any acts or omissions of Lessor or anyone  claiming by, through or under Lessor,
without the consent of Lessee and (iii) the Lessee shall  represent  and warrant
as to the accuracy in all respects of each of the preceding  matters to each of,
and for the benefit of, Lessor,  Agent Bank, and Beneficiary and any prospective
purchaser,  lessee or other user, which  representation and warranty shall be in
form and  substance  acceptable  to  Lessor,  Agent  Bank,  and any  prospective
purchaser, lessee or other user, including, without limitation, a provision that
the  warranty  shall  extend for a period  from the closing of the sale or other
transfer  that  is   commercially   reasonable  or  "market"  for  the  specific
representation or warranty involved.

         (d) In addition to and not in limitation of any other provision of this
Lease,  on or prior to the  date of such  surrender  and  return  of any  Leased
Property,  Lessor shall have received from Lessee, at Lessee's expense, evidence
satisfactory  to Lessor and LC Issuer of compliance  with the provisions of this
Article  26,  including  without  limitation,  a  "Phase  I" or then  comparable
environmental  assessment  for such Leased  Property  addressed  and in form and
substance  satisfactory  to Lessor and LC Issuer or, in lieu of addressing  such
assessment to such parties,  accompanied  by a letter  permitting  Lessor and LC
Issuer to rely  thereon,  performed  by an  independent,  licensed  professional
engineer  reasonably  satisfactory to Lessor and LC Issuer, and which assessment
(y)  shall  be  sufficient  in  scope  to  determine  compliance  with  the then
applicable  Environmental  Laws,  and (z) shall  reveal  no actual or  potential
environmental  liabilities  which  have not been  remediated  by the  Lessee  in
compliance with all Environmental 
<PAGE>
                                      -43-

Laws and to the satisfaction of Lessor,  Agent Bank and LC Issuer,  and, if such
environmental  assessment reveals the need for additional  review,  Lessee shall
have provided such additional  information or  environmental  assessments as are
required  by Lessor,  Agent Bank and LC Issuer and any  remediation  recommended
therein  to be  performed  shall  have been  performed  in  compliance  with all
Environmental Laws and to the satisfaction of Lessor,  Agent Bank and LC Issuer,
and evidence of compliance with Article 26(c)(ii) shall have been provided.

         (e)  Lessee  acknowledges  and  agrees  that  a  breach  of  any of the
provisions of this Article 26 may result in damages to Lessor that are difficult
or impossible to ascertain and that may not be compensable at law.  Accordingly,
upon  application  to any  court of  equity  having  jurisdiction  over a Leased
Property, Lessor shall be entitled to a decree against Lessee requiring specific
performance of the covenants of Lessee set forth in this Article 26 with respect
to such Leased Property.

         (f) Upon the request of the Lessor,  Lessee shall, at Lessor's expense,
continue to maintain  its  insurance  policies for the Leased  Properties  for a
reasonable period of time, to the extent permitted by such policies.

         27. Separability. Each covenant of Lessee contained in this Lease shall
be separate  and  independent  and the breach of any  provision of this Lease by
Lessor shall not discharge or relieve Lessee from its obligation to perform each
obligation  of this Lease to be  performed by Lessee.  If any  provision of this
Lease or the  application  thereof  to any Person or  circumstance  shall to any
extent be  invalid  and  unenforceable,  the  remainder  of this  Lease,  or the
application of such provision to persons or circumstances other than those as to
which it is invalid or unenforceable,  shall not be affected  thereby,  and each
provision  of this Lease shall be valid and shall be  enforceable  to the extent
permitted by law.

         28.      Lessee's End of Term Purchase Options.

         (a) If (i) no Event of Default  hereunder  shall have  occurred  and be
continuing  and (ii) this Lease shall not have been earlier  terminated,  Lessee
shall be entitled, upon written notice to Lessor as hereinafter provided, to (x)
purchase all, but not less than all, of the Leased  Properties,  effective  with
respect to each  Leased  Property  on the last day of the Basic Term  applicable
thereto,  each for an amount,  payable in immediately  available funds, equal to
the  Purchase  Price  applicable  to  such  Leased  Property  or (y)  to  return
possession of such Leased  Properties to Lessor as set forth in subparagraph (b)
below.  Lessee shall exercise either such option granted  hereunder,  by written
notice to Lessor to such  effect not later than  April 1, 2003,  which  shall be
effective as to all Leased  Properties  irrespective  of their Term  Termination
Date (a Termination Notice);  provided,  however, if Lessee fails to give Lessor
such notice by April 1, 2003 Lessee shall be deemed on such date to have elected
to purchase all of the Leased Properties  pursuant to this paragraph (a) of this
Article  28.  Such  actual or  deemed  exercise  of the  purchase  option  shall
<PAGE>
                                      -44-

constitute  a binding  obligation  of Lessee to purchase  each and every  Leased
Property and to pay Lessor the applicable Purchase Price on the Term Termination
Date applicable  thereto.  Any purchase by Lessee pursuant to this Article 28(a)
shall be consummated in accordance with the terms of Article 16 hereof.

         (b) If Lessee has exercised its option in clause (a) (y) above,  Lessor
shall have the right, and Lessee shall have the obligation,  as agent for Lessor
(during  the last 360 days of the Basic  Term  applicable  to the Group 1 Leased
Properties,  and  the  Group  2  Leased  Properties,  as the  case  may be  (the
Remarketing Period)), to use best efforts to obtain bona fide cash bids for each
such Leased Property from prospective  purchasers who are financially capable of
purchasing  such Leased  Property for cash in accordance  with the terms of this
Lease. Upon the request of Lessor and at Lessee's sole cost and expense,  Lessee
shall provide  Lessor with a written  report  describing  in  reasonable  detail
Lessee's efforts during the Remarketing  Period to obtain bona fide bids for the
purchase of the affected Leased Property,  including, without limitation, a list
of all brokers  retained and Persons  approached  for the purpose of  soliciting
bids to purchase  such Leased  Property.  All bids  received by Lessor or Lessee
prior to the end of the  applicable  Basic Term shall be  certified by Lessor or
Lessee,  as the case may be, in  writing,  stating  the name and  address of the
bidder  and the amount of such bid.  Notwithstanding  the  foregoing,  LC Issuer
shall  have the right,  but not the  obligation,  to seek bids for the  affected
Leased Property during the Remarketing Period.

         Not  later  than  the  Term  Termination  Date  for the  Group 1 Leased
Properties, and the Group 2 Leased Properties,  Lessor agrees to sell all of the
Group 1 Leased Properties or Group 2 Leased Properties  respectively to the cash
bidder submitting the highest bid, in accordance with the terms of Article 16 of
this Lease, with such changes as are necessary to reflect that the sale was to a
third party and not Lessee; provided, however, that (x) any such sale to a third
party shall be consummated,  and the sales price for all such Leased  Properties
shall be paid to Lessor in  immediately  available  funds,  at Lessor's  address
hereinabove  stated or at any other place in the United  States which Lessor may
designate,  on or before the applicable  Term  Termination  Date; and (y) Lessor
shall not be obligated to consummate any proposed sale of any Leased Property if
(I) the  aggregate  Net  Proceeds  from  the  sale of all  such  Group 1  Leased
Properties or Group 2 Leased Properties,  as the case may be, would be less than
the aggregate  Maximum Lessor Risk Amount  applicable to all such Group 1 Leased
Properties  or Group 2 Leased  Properties,  as the case may be,  as of such Term
Termination  Date and Lessor has not  received the prior  written  consent of LC
Issuer to sell all such Leased  Properties,  or (II) if Lessor has not  received
the amounts,  if any,  payable by Lessee pursuant to paragraph (a) of Article 30
with  respect  to all of the  Group 1 Leased  Properties,  or all of the Group 2
Leased  Properties,  as  applicable.  After a sale  under  this  clause (b) with
respect to all of the Group 1 Leased Properties or Group 2 Leased Properties, as
the case may be, the  provisions of paragraph (a) of Article 30 shall apply with
respect  thereto and if such a sale has not occurred with respect to all Group 1
Leased  Properties  or  Group 2  Leased  Properties,  as the  case  may be,  the
provisions of Section 30(b) shall apply 
<PAGE>
                                      -45-

with respect  thereto.  At the time of any sale of a Leased  Property to a third
party as  contemplated by this  paragraph(b),  Lessee shall deliver an Officer's
Certificate  setting  forth  the Net  Proceeds  from  the  sale  and a  detailed
calculation thereof.

         29. Signs;  Showing.  If Lessee has not given timely notice pursuant to
paragraph (a) of Article 28 of its  intention to purchase the Leased  Properties
on the applicable Term Termination Dates, during the Remarketing Period,  Lessor
may, subject to all applicable  governmental laws, restrictive covenants,  rules
and  regulations and without  unreasonably  interfering  with Lessee's  business
operations,  (a) place signs in, on and around the Leased Properties advertising
that the same will be available for rent or purchase, and (b) upon not less than
48 hours notice to Lessee,  show the Leased Properties to prospective lessees or
purchasers at such  reasonable  times during normal business hours as Lessor may
elect. Lessee will be responsible for hiring one or more brokers, whose services
shall be compensated  on a commission  basis,  and making the Leased  Properties
available for inspection by prospective  purchasers.  Lessee shall promptly upon
notice permit  inspection of the Leased  Properties and any maintenance  records
relating to the Leased  Properties by the Lessor,  Agent Bank, LC Issuer and any
potential  purchasers,  during normal business hours, and shall otherwise do all
things necessary to sell and deliver  possession of the Leased Properties to any
purchaser.  All such  marketing  fees,  commissions,  costs and  expenses of the
Leased  Properties  shall be included  among the  deductions set forth in clause
(ii) of the definition of Net Proceeds,  equitably  apportioned among the Leased
Properties.

         30. End of Term  Adjustment.  (a) The  provisions of this paragraph (a)
shall apply only if a sale of all of the Group 1 Leased  Properties or the Group
2 Leased Properties,  as the case may be, to a third party pursuant to paragraph
(b) of  Article  28 has  been  consummated  on or  before  the  applicable  Term
Termination  Date.  If the Net  Proceeds  following  such a sale of the  Group 1
Leased Properties or the Group 2 Leased Properties,  as the case may be, sold in
accordance  with  paragraph (b) of Article 28 hereof are less than the aggregate
Termination  Value  for  such  Group 1  Leased  Properties  or  Group  2  Leased
Properties,  respectively,  on the applicable Term Termination Date as set forth
in paragraph (a) of Article 28 hereof,  Lessee shall,  on such Term  Termination
Date, pay to Lessor, as an adjustment to the Basic Rent payable under this Lease
and allocable to such Group 1 Leased Properties or Group 2 Leased Properties, as
applicable,  by wire transfer of immediately  available federal funds, an amount
equal to such deficiency (the Adjustment Price), provided,  however, that if all
of the Limited Lessee Risk  Conditions have been satisfied as to all such Leased
Properties,  the amount of the  Adjustment  Price  payable  by Lessee  shall not
exceed the then  applicable  Maximum  Lessee Risk Amount for such Group 1 Leased
Properties or Group 2 Leased Properties, as the case may be; and, otherwise, the
Adjustment  Price shall not be so limited to the Maximum Lessee Risk Amount.  In
addition  to any such  Adjustment  Price,  Lessee  shall  pay to  Lessor on such
Termination Date, the Basic Rent, if any, due and payable on the applicable Term
Termination  Date, plus any Additional  Obligations then due and owing to Lessor
hereunder,  in each case with  respect to 
<PAGE>
                                      -46-

Group 1 Leased Properties or Group 2 Leased  Properties,  as the case may be. If
the sum of the Net Proceeds  following  such a sale of all of the Group 1 Leased
Properties  or  Group 2 Leased  Properties,  as the  case  may be,  pursuant  to
paragraph (b) of Article 28 on or before the Term  Termination Date with respect
to such Group 1 Leased Properties or Group 2 Leased Properties,  as the case may
be,  exceed  the  aggregate  Termination  Value  for all of the  Group 1  Leased
Properties  or all of the  Group 2 Leased  Properties,  as the case may be,  and
Lessee  shall have paid to Lessor all such  amounts due and payable on or before
the Term Termination Date with respect to such Group 1 Leased Properties or such
Group 2 Leased Properties,  respectively,  including all Basic Rent,  Additional
Obligations and all amounts due under this Article 30 with respect to such Group
1 Leased Properties or such Group 2 Leased Properties, respectively, then Lessor
shall,  on the applicable Term  Termination  Date, pay to Lessee (subject to the
second  proviso  hereafter) by wire transfer of  immediately  available  federal
funds,  an amount  equal to such  excess,  as an  adjustment  to the Basic  Rent
payable under this Lease; provided, however, that Lessor shall have the right to
offset  against  such  adjustment  payable by Lessor,  any amounts  then due and
payable  from Lessee to Lessor  hereunder;  and  provided  further that any such
excess Net Proceeds with respect to the sale of the Group 1 Leased Properties up
to but not in excess of the maximum amount that may be drawn under the Letter of
Credit  for the Group II Leased  Properties  shall be held by the Agent Bank for
application in accordance with Section 10.2 of the Loan Agreement.

         (b) If this Lease expires or terminates on a Term  Termination Date and
a sale of all Group 1 Leased  Properties  or Group 2 Leased  Properties,  as the
case may be (with  respect to which such Term  Termination  Date has  occurred),
pursuant to paragraph  (b) of Article 28 has not been  consummated  on or before
the applicable Term Termination  Date for any reason,  then Lessee shall, on the
applicable Term Termination  Date, pay to Lessor by wire transfer of immediately
available  funds,  an amount  equal to, with  respect to all such Group 1 Leased
Properties or Group 2 Leased Properties,  as the case may be, (i) the applicable
Maximum Lessee Risk Amount for all such Leased Properties, if all of the Limited
Lessee Risk  Conditions for all of the Group 1 Properties or Group 2 Properties,
as the case may be, have been met as of such Term Termination  Date, or (ii) the
applicable Termination Value for all such Leased Properties, in all other cases;
plus,  in either  case,  the Basic Rent due and payable on the  applicable  Term
Termination  Date,  plus  all  Additional  Obligations  then due and  owing.  In
addition, Lessee shall promptly vacate all such Group 1 Leased Properties or the
Group 2 Leased  Properties,  as the case may be, and surrender them to Lessor on
the applicable Term  Termination  Date in accordance with the provisions of this
Lease,  including Article 26. Notwithstanding the termination of this Lease with
respect to any of the Leased  Properties,  Lessee  shall  remain  liable for the
payment of all applicable  sales,  excise and other taxes imposed as a result of
the sale of all of the  Leased  Properties,  other  than  Excluded  Taxes.  This
obligation  shall survive the  termination  of this Lease with respect to all of
the Leased Properties,  and upon the consummation of the sale of all such Leased
Properties at any time after the applicable Term Termination  Date, Lessee shall
pay on demand, or reimburse Lessor 
<PAGE>
                                      -47-

on demand for the  payment of, all such sales,  excise and other  taxes.  In the
event of any such  sale of the  Leased  Properties  at any time  after  the Term
Termination Date with respect thereto,  Lessor shall retain the full proceeds of
such sale.

         (c) The  provisions  of  Articles  28 and 30 are of the essence of this
Lease, and time is of the essence for payment and performance of the obligations
of Lessee set forth therein.

         31.      Reserved.

         32. Nature of Lessor's Obligations;  Limitations on Liability. Anything
in this Lease to the contrary  notwithstanding,  except for the  representations
(w) made by Lessor in its  individual  capacity as set forth in Article 6 of the
Loan  Agreement,  (x) set forth in  Article 8 of the Agency  Agreement,  (y) set
forth in Section 3.5 of the Owner Trust  Agreement  with respect to  Beneficiary
and (z)  with  respect  to  Lessor  Liens,  it is  understood  and  agreed  that
(irrespective  of any  breach  of any  representation,  covenant,  agreement  or
undertaking of any nature  whatsoever made in this Lease),  no recourse shall be
had under any rule of law,  statute or constitution or by the enforcement of any
assessments  or penalties or otherwise  for the payment of any sum  hereunder or
for any other  claim  hereunder  against (i)  Lessor,  Beneficiary  or any other
holder of the Beneficial  Interest,  or any past,  present or future  Affiliate,
partner, officer,  director, any owner, shareholder,  agent or employee of or in
any thereof or of any partner thereof or their legal representatives, successors
or  assigns,  (ii) any  Successor  Owner or (iii) any  Person  for whom  Lessor,
Beneficiary  or any other  holder of the  Beneficial  Interest  was acting as an
agent  for the  account  and  benefit  of  such  Person  in  entering  into  the
transactions evidenced by this Lease, and that such Person was or was alleged to
be the principal of Lessor,  Beneficiary  or any other holder of the  Beneficial
Interest.  Subject to the exceptions set forth above, it is expressly understood
that by the  execution  of this Lease all such  liability  (a) of Lessor,  Bank,
Beneficiary or any other holder of the Beneficial  Interest or any past, present
or future  Affiliate,  partner,  officer,  director,  any shareholder,  agent or
employee  thereof or director or  shareholder  of any partner  thereof or any of
their  respective  legal  representatives,  successors  or  assigns,  (b) of any
Successor Owner or (c) of such other Person,  is and is being  expressly  waived
and released as a condition of and as a consideration  for the execution of this
Lease by Lessor,  that Lessee and its successors and assigns as lessee hereunder
agree to look solely to the Leased  Properties  for the payment of any such sums
or  satisfaction  of any such other  claims.  The  provisions of this Article 32
shall survive the termination of this Lease and the other Operative Documents.

         33. Lessee's  Representations and Warranties.  Lessee hereby represents
and warrants that (a) Lessee is a corporation  duly organized,  validly existing
and in good  standing  under  the laws of its state of  incorporation  set forth
above,  and is  qualified  to do business  in, and is in good  standing in, each
state or other  jurisdiction  in which the  nature of its  business  makes  such
qualification  necessary (including,  without limitation,  each state in which a
Leased Property is located); (b) Lessee has the corporate power and authority to
execute and perform this Lease and
<PAGE>
                                      -48-

to lease the Leased Properties hereunder, and has duly authorized the execution,
delivery and performance of this Lease; (c) the leasing of the Leased Properties
from  Lessor  by  Lessee,  the  execution  and  delivery  of this  Lease and any
documents or instruments  related hereto,  and the compliance by Lessee with the
terms hereof and thereof,  and the payments and  performance by Lessee of all of
its  obligations  hereunder  and  thereunder  (i) have  been  duly  and  legally
authorized  by  appropriate  corporate  action taken by Lessee,  (ii) are not in
contravention  of, and will not result in a  violation  or breach of, any of the
terms of Lessee's  Certificate of Incorporation  (or equivalent  document),  its
By-Laws, or of any provisions relating to shares of the capital stock of Lessee,
and (iii) will not violate or  constitute a breach of any  provision of law, any
order of any court or other agency of government, or any indenture, agreement or
other  instrument to which Lessee is a party, or by or under which Lessee or any
of Lessee's property is bound, or be in conflict with, result in a breach of, or
constitute  (with due  notice  and/or  lapse of time) a  default  under any such
indenture,  agreement or instrument,  or result in the creation or imposition of
any lien upon any of Lessee's  property or assets;  (d) this Lease and all other
documents  or  instruments  related  hereto  have  been  executed  by  the  duly
authorized  officer or  officers of Lessee and  delivered  to Lessor and are the
legal, valid and binding  obligations of Lessee,  enforceable in accordance with
their terms;  (e) neither the execution and delivery of this Lease and all other
documents and  instruments  related  hereto,  nor the payment and performance by
Lessee of all of its obligations hereunder and thereunder,  requires the consent
or  approval  of,  the  giving of  notice  to,  or the  registration,  filing or
recording  with,  or the taking of any other  action in respect of, any federal,
state,  local or foreign  government or governmental  authority or agency or any
other Person; (f) no mortgage,  deed of trust, or other lien which now covers or
affects,  or which may  hereafter  cover or affect,  any  property  or  interest
therein of Lessee,  now attaches or hereafter will attach to any Leased Property
or any portion  thereof,  the proceeds  thereof or this Lease,  or in any manner
affects or will affect adversely  Lessor's rights and security interest therein;
(g) Lessee  holds all  licenses,  certificates  and  permits  from  governmental
authorities  necessary to use and operate the Leased  Properties  in  accordance
with  the  provisions  of this  Lease;  (h)  there  is no  litigation  or  other
proceeding  now  pending  or,  to the best of  Lessee's  knowledge,  threatened,
against or affecting Lessee,  in any court or before any regulatory  commission,
board or other  administrative  governmental  agency  which  would  directly  or
indirectly  adversely  affect  or  impair  the  title of  Lessor  to the  Leased
Properties, or which, if decided adversely to Lessee, would materially adversely
affect the business  operations  or financial  condition of Lessee;  and (i) all
balance sheets, statements of profit and loss and other financial data that have
been  delivered to Lessor with respect to Lessee (x) are complete and correct in
all material respects,  (y) accurately present the financial condition of Lessee
on the dates for which,  and the results of its  operations  for the periods for
which,  the same have been  furnished,  and (z) have been prepared in accordance
with generally accepted accounting  principles  consistently followed throughout
the periods  covered  thereby;  and there has been no change in the condition of
Lessee,  financial  or  otherwise,  since the date of the most recent  financial
statements delivered to Lessor with respect to Lessee.
<PAGE>
                                      -49-


         34.  Granting of Easements,  Etc. If no Event of Default  hereunder has
occurred  and is  continuing,  Lessor  shall from time to time upon the  written
request of Lessee join with Lessee (and at Lessee's sole cost and expense), with
respect to their  interests  in the Leased  Properties  to (i) grant  easements,
licenses,  rights  of way and  other  rights  and  privileges  in the  nature of
easements  for the  purposes of providing  utilities  and the like to the Leased
Properties  or for  purposes of  operating  the Leased  Properties  and adjacent
properties  (such as office park reciprocal  easement  agreements and the like),
(ii) release existing  easements and appurtenances  relating to the provision of
utilities and the like to the Leased Properties or for purposes of operating the
Leased  Properties  and  adjacent  properties  (such as office  park  reciprocal
easement  agreements and the like) and (iii) execute and deliver any instrument,
in form and substance reasonably acceptable to Lessor,  necessary or appropriate
to make or  confirm  such  grants or  releases  to any  Person,  with or without
consideration, but only if such grant or release is in compliance with the terms
of the Deed of Trust and Lessee  shall  obtain the  consent of Agent Bank to any
such release or grant (at Lessee's  cost,  including the legal fees and expenses
of Agent Bank), which consent shall not unreasonably be withheld;  provided that
such grant or release does not (x) interfere with and is not  detrimental to the
conduct of business on the affected Leased  Property,  (y) impair the usefulness
or useful  life of such Leased  Property or (z) impair the fair market  value of
such  Leased  Property  or cause a default  under any other  agreement  to which
Lessee is a party or  benefitting  such Leased  Property  which default would be
reasonably  likely to have an adverse effect on the usefulness or useful life of
such Leased Property or impair the fair market value of such Leased Property and
shall  have  delivered  such other  instruments,  certificates,  surveys,  title
insurance  policy  endorsements  and opinions of counsel as Lessor or Agent Bank
may  reasonably  request;  and provided  further that Lessor,  Agent Bank and LC
Issuer shall have the right,  but not the  obligation,  to obtain an independent
Appraisal, at the expense of the Person requesting such appraisal, to verify the
certification  of Lessee as to the effect of the proposed  action on fair market
value and if such appraisal  concludes that the proposed  action will impair the
fair market value of such Leased Property by 1% or more,  Lessee shall reimburse
Lessor, Agent Bank or LC Issuer, as applicable,  for the costs of such appraisal
and Lessor,  Agent Bank and LC Issuer shall either  withhold  their  consents or
condition  their  consents  upon  payment  by Lessee  of an amount  equal to the
diminution of fair market value. Any such request by Lessee shall be accompanied
by an Officer's  Certificate  as to compliance  with the conditions set forth in
the foregoing clauses (x), (y) and (z).

         35.      Lessee's Right to Terminate; Exchange of Leased Properties.

         (a) Lessee may, upon compliance with the provisions of this Article 35,
(i) in the event that any change in  generally  accepted  accounting  principles
subsequent  to the date of  execution  and delivery  hereof  would  preclude the
Lessee from treating this Lease as "off-balance sheet" for accounting  purposes,
terminate  this Lease with  respect  to all,  but not less than all,  the Leased
Properties,  on any Payment Date during the Basic Term, by purchasing all of the
Leased  Properties  for the purchase  price set forth in  paragraph  (c) of this
Article 35, payable in 
<PAGE>
                                      -50-

immediately  available  Federal funds, (ii) on any Payment Date during the Basic
Term,  terminate  this  Lease  with  respect  to  less  than  all of the  Leased
Properties,  by causing a property or properties (each such property an Exchange
Property and,  collectively  Exchange  Properties)  to be conveyed to Lessor and
subjected  to this  Lease as a  Leased  Property  in  exchange  for each  Leased
Property  with  respect to which  Lessee has  elected  to  terminate  this Lease
pursuant to this clause (ii) provided  that the  aggregate  Cost of the Property
allocable  to all  Leased  Properties  with  respect  to  which  this  Lease  is
terminated  pursuant  to this clause (ii) does not at any time exceed 15% of the
aggregate Cost of the Properties as to all Leased  Properties,  and (iii) on any
Payment Date  occurring  after  September  30, 2000,  terminate  this Lease with
respect to all, but not less than all, Leased  Properties,  by purchasing all of
the Leased  Properties for the purchase price set forth in paragraph (c) of this
Article 35, payable in immediately available Federal funds.

         (b)  Lessee  shall  give  Lessor,  Agent Bank and LC Issuer at least 60
days' prior notice of its election to effect a  termination  of this Lease or an
exchange of an Exchange Property pursuant to this Article 35, which notice shall
specify  the  Payment  Date on  which  such  termination  or  exchange  shall be
effected.

         (c)  Termination  of this Lease with respect to all or less than all of
the Leased Properties  pursuant to clauses (i) or (iii) of paragraph (a) of this
Article 35 shall be effected in  accordance  with the  provisions of Article 16.
The  purchase  price for the Leased  Properties  payable by Lessee  pursuant  to
clauses (i) and (iii) of paragraph  (a) of this Article 35 shall be equal to (i)
the Termination Value payable as of the date of purchase,  together with accrued
and unpaid Basic Rent,  Additional  Obligations and other sums payable by Lessee
under this  Lease,  to the date of  purchase,  plus (ii) an amount  equal to the
costs and expenses of Lessor (including  reasonable  attorneys' fees) reasonably
incurred in connection with such sale. The sale of the Leased  Properties  shall
occur in the case of a sale  pursuant to clauses (i) and (iii) of paragraph  (a)
of this Article 35, on the date specified by Lessor in the notice given pursuant
to paragraph (b) of this Article 35, in any case in accordance with the terms of
Article 16 hereof.

         Upon  payment  of  all  amounts  payable  by  Lessee   hereunder,   and
application  of such  amounts  to  payment  of the  Term  Loan  and  the  Equity
Investment,  this  Lease  shall  terminate  and the Leased  Properties  shall be
conveyed to Lessee  pursuant to Article 16 hereof.  If Lessee  fails to purchase
the Leased Properties on such purchase date in accordance with the terms hereof,
such failure shall immediately constitute an Event of Default hereunder.

         (d) In the event that Lessee shall elect to cause an Exchange  Property
to be conveyed to Lessor in exchange for any Leased Property  pursuant to clause
(ii) of paragraph  (a) of this  Article 35, the  following  conditions  shall be
satisfied:
<PAGE>
                                      -51-

         (A)      The  Exchange  Property  shall  (i)  be  a  warehouse  storage
                  facility  of the  same  general  type  and  use as the  Leased
                  Property  with  respect to which such  exchange is being made,
                  and  (ii)  if  construction  of  the  Exchange   Property  was
                  completed within one year prior to such  substitution,  have a
                  cost equal to or greater than the Cost of the Property related
                  to the replaced Leased Property.

         (B)      Lessor and Agent Bank shall have  received an Appraisal  and a
                  "Phase I" Environmental  Report of the Exchange  Property made
                  by  an  independent  appraiser  and  environmental   engineer,
                  respectively,  selected by Lessee,  subject to the approval of
                  Lessor,  Agent Bank and LC Issuer, which approval shall not be
                  unreasonably  withheld,   which  Appraisal  and  Environmental
                  Report  shall have been made at the  expense  of Lessee.  Such
                  Appraisal  shall be  delivered  at least 30 days  prior to the
                  date of such proposed substitution and shall indicate that the
                  fair market value and useful life of the Exchange  Property is
                  equal to or greater than the fair market value and useful life
                  of  the   affected   Leased   Property  at  the  time  of  the
                  substitution  and at the  end of  each  remaining  year of the
                  Maximum  Lease Term  (assuming  in each case that the affected
                  Leased Property had been maintained and operated in accordance
                  with the terms of this  Lease).  Fair  market  value  shall be
                  determined  by the same  methodology  as was  employed  by the
                  original  appraiser in the original  appraisal of the replaced
                  Leased Property.  Such Environmental Report shall be delivered
                  at  least  15  days  prior  to  the  date  of  such   proposed
                  substitution,  shall  speak  as of a date  not  more  than six
                  months  prior to the date of such  proposed  substitution  and
                  shall not disclose any conditions  which are not  satisfactory
                  to Lessor,  Agent Bank or LC Issuer.  Lessee shall  certify to
                  the best of its  knowledge  that as of the  substitution  date
                  there  has  been  no  change  in the  status  of the  Exchange
                  Property from that described in the Environmental  Report with
                  regard to environmental  matters. If such Environmental Report
                  recommends  further review,  Lessee, at its own expense,  will
                  provide  such  additional  environmental  assessments  as  are
                  required  by Lessor,  Agent Bank or LC Issuer.  The results of
                  such Reports shall be satisfactory  to Lessor,  Agent Bank and
                  LC Issuer. Lessor, LC Issuer and Agent Bank and each holder of
                  indebtedness  secured  by the Deed of Trust  shall  receive  a
                  letter  from  the  environmental  engineer,   permitting  such
                  addressee to rely on such Environmental Reports.

         (C)      Lessor and Agent Bank shall have  received a Lease  Supplement
                  in the form of Schedule I annexed hereto and, if  appropriate,
                  a memorandum or short form of lease with respect thereto, duly
                  authorized,  executed  and  delivered  by  Lessee,  as lessee,
                  adding and subjecting the Exchange  Property to, and releasing
                  the affected  Leased  Property  from, the terms of this Lease,
                  and  containing  such other terms as Lessor,  Agent Bank or LC
                  Issuer  or  their  respective   counsel  may  reasonably 
<PAGE>
                                      -52-

                  deem necessary or  appropriate  by reason of the  transactions
                  contemplated by this paragraph (d).

         (D)      On the date of substitution, Lessor shall have received a deed
                  conveying  to Lessor good and  marketable  fee simple title to
                  the Exchange Property, subject only to Permitted Encumbrances.
                  Lessee  shall have  caused to be  executed  and  delivered  to
                  Lessor,  Agent  Bank and LC  Issuer  (x) a  supplement  to the
                  Assignment,  including the legal  description  of the Exchange
                  Property,  and (y) a new  Deed of  Trust  and LC Deed of Trust
                  with  respect  to  such  Exchange   Property,   each  in  form
                  sufficient for recording and  enforceability in the applicable
                  jurisdiction.  Lessor,  Agent  Bank and LC Issuer  shall  have
                  received  (i) an  owner's  and a  mortgagee's  policy of title
                  insurance,  as applicable,  on the standard ALTA form formerly
                  known as 1970 form (or if the 1970 form is not  available in a
                  particular  jurisdiction,  a more  recent  form which has been
                  endorsed or had exclusions  removed to achieve the equivalent)
                  with  respect  to  the  Exchange  Property  (or  a  commitment
                  therefor)  with  mechanics'  lien  coverage and  containing no
                  survey exception,  insuring Lessor or Agent Bank or LC Issuer,
                  respectively,  against  loss  with  respect  to  the  Exchange
                  Property  and  otherwise  reasonably  satisfactory  to Lessor,
                  Agent  Bank and LC Issuer  and (ii) a survey  of the  Exchange
                  Property,  satisfactory in form and substance to Lessor, Agent
                  Bank and LC Issuer, certified within 90 days prior to the date
                  of substitution,  by a surveyor licensed in the state in which
                  the Exchange Property is located.

         (E)      All necessary  approvals,  authorizations  and consents of all
                  governmental  bodies  (including  courts) having  jurisdiction
                  with  respect  to  the   transactions   contemplated  by  this
                  paragraph  (d) shall have been  obtained and all taxes (which,
                  if permitted by law,  may be paid in  installments),  fees and
                  other charges payable in connection  therewith shall have been
                  paid.

         (F)      Lessor,  Agent  Bank and LC Issuer  shall have  received  such
                  other  instruments and such  certificates,  including  without
                  limitation,  an estoppel certificate from Lessee,  evidence of
                  the  insurance  required  by this  Lease,  certificates  as to
                  representations and warranties,  and opinions of counsel, each
                  in form and substance  satisfactory to Lessor,  Agent Bank and
                  LC Issuer, in connection with the transactions contemplated by
                  this  paragraph  (d) as  Lessor,  Agent Bank and LC Issuer may
                  reasonably  request.  Where required,  such instruments  shall
                  have been duly  recorded by Lessee.  Lessee shall pay all fees
                  and expenses in connection with the  transaction  contemplated
                  by this paragraph (d), including reasonable attorney's fees of
                  Lessor, Agent Bank and LC Issuer.
<PAGE>
                                      -53-


         If such conditions are satisfied,  Lessor agrees to convey the affected
Leased  Property  to Lessee in  accordance  with the  provisions  of Article 16,
terminate this Lease with respect to the affected Leased Property and enter into
a Lease Supplement  subjecting the Exchange Property to this Lease and releasing
the affected Leased Property from this Lease,  and such Exchange  Property shall
thereafter  constitute  a Leased  Property  and for  purposes  of the  Schedules
attached hereto and any  calculations  in this Lease,  shall be treated as if it
were the affected Leased Property.

         36. Recording. Lessor and Lessee will execute, acknowledge, deliver and
cause to be recorded or filed in the manner and place required by any present or
future  law,  this Lease or a  memorandum  thereof,  and all other  instruments,
including,  without limitation,  financing statements,  continuation statements,
releases  and  instruments  of  similar  character,  which  shall be  reasonably
requested  by Lessor,  Agent  Bank,  Lessee or LC Issuer as being  necessary  or
appropriate  in  order to  protect  their  respective  interests  in the  Leased
Properties  or to  publish  notice of or to  create,  maintain  and  protect  or
terminate  or release the lien and security  interest  intended to be created by
any  Deed of  Trust  upon,  and the  interest  of  Agent  Bank  in,  the  Leased
Properties.  Lessee  shall pay all  recording  and filing fees and taxes,  stamp
taxes,  mortgage or lease taxes, and other costs of such recordation and filing.
If Lessee  shall  fail to comply  with this  Article  36 within  five days after
notice from Lessor,  Lessor  shall be and is hereby  irrevocably  appointed  the
agent and  attorney-in-fact  of Lessee to comply  therewith,  but this  sentence
shall not prevent any default in the observance of this Article 36 by the Lessee
from  constituting  an Event of Default in  accordance  with the  provisions  of
paragraph (a)(ii) of Article 22 hereof.

         37. Miscellaneous.  This Lease and the other Operative Documents embody
the entire  agreement  between Lessor and Lessee  relating to the subject matter
hereof and supersedes all prior agreements and  understandings  relating to such
subject matter.  This Lease shall be binding upon and shall inure to the benefit
of and be enforceable by the parties hereto and their respective  successors and
assigns  permitted  hereunder.  No  term or  provision  hereof  may be  amended,
changed,  waived,  discharged  or terminated  orally,  but only by an instrument
specifically  evidencing  an intent to amend  signed by the party  against  whom
enforcement  thereof is sought and with the prior written  consent of Agent Bank
and LC Issuer. No failure,  delay,  forbearance or indulgence on the part of any
party in exercising any right,  power or privilege  hereunder shall operate as a
waiver thereof,  or as an  acquiescence  in any breach,  nor shall any single or
partial exercise of any right,  power or remedy hereunder  preclude any other or
further exercise thereof or the exercise of any other right, power or privilege.
Any  provision  of this  Lease  which  is  prohibited  or  unenforceable  in any
jurisdiction  shall,  as to such  jurisdiction,  be ineffective to the extent of
such  prohibition  or  unenforceability   without   invalidating  the  remaining
provisions  hereof,  and  any  such  prohibition  or   unenforceability  in  any
jurisdiction shall not invalidate or render  unenforceable such provision in any
other jurisdiction.  This Lease and the rights and obligations in respect hereof
shall be governed by, and construed and 
<PAGE>
                                      -54-

interpreted in accordance with, the laws of the  Commonwealth of  Massachusetts,
except to the extent  that in seeking  to enforce  this Lease with  respect to a
Leased Property,  the laws of the state in which such Leased Property is located
require that its laws govern,  notwithstanding the express intent of the parties
hereto. Lessee hereby agrees to non-exclusive personal jurisdiction and venue in
the state courts of the Commonwealth of  Massachusetts  (City of Boston) and the
United States District Courts located in the Commonwealth of Massachusetts,  the
choice of such forum to be at Lessor's  sole  discretion.  All  headings are for
reference only and shall not be considered as part of this Lease. This Lease may
be executed in any number of  counterparts,  each of which shall be an original,
and such counterparts together shall constitute but one and the same instrument.
Lessee may cause to be performed  any  obligation  of Lessee under this Lease in
lieu of performing such obligation itself.

         Agent Bank, the Lenders, Beneficiary and LC Issuer shall be third party
beneficiaries  of this Lease with respect to those provisions that explicitly or
implicitly  are for the benefit of Agent Bank,  the Lenders,  Beneficiary  or LC
Issuer.

         The dating of this Lease "as of October 1, 1998" is for  convenience of
reference  only,  and this Lease shall become  effective only upon its execution
and delivery by Lessor and Lessee.

         To the extent that (not withstanding  Article 38 hereof) this Agreement
is characterized under applicable law as being a financing  transaction,  Lessor
and Lessee hereby  acknowledge and agree as follows:  (1) the amount of interest
shall be equal to the  difference  between (a) the aggregate  amount of payments
due under this Lease (the  Payments)  and (b) the  aggregate  cost of the Leased
Properties to Lessor (the Cost); (2) Lessee has been informed of the Cost or, in
the alternative, acknowledges that it has been given an opportunity to determine
the Cost; (3) the rate of interest  agreed to and specified by Lessor and Lessee
in such event shall be that rate per annum that may be calculated based upon the
Cost (i.e.  the  principal  amount) and the Payments  (i.e.,  the  principal and
interest payments); and (4) if the rate of interest so calculated is ever deemed
to exceed the maximum rate permitted by applicable  law, then the Payments shall
be  automatically  reduced to ensure that such rate of interest  does not exceed
the maximum rate permitted by applicable law.

         38.      Ownership of the Leased Properties.

         (a) Lessor and Lessee intend that (i) for financial accounting purposes
with  respect to Lessee,  this  Lease  will be treated as an  "operating  lease"
pursuant to Statement of Financial  Accounting Standards No. 13, as amended, but
(ii) for federal  and all state and local  income tax  purposes,  (A) this Lease
will be treated as a financing arrangement,  (B) Agent Bank, the Lenders and any
subsequent  registered  owners of the Debt Notes will be deemed  lenders  making
loans for the  benefit  of the  Lessee,  which  loans are  secured by all of the
Leased  Properties,  and (C)  Lessee  will be treated as the owner of all of the
Leased Properties and will be entitled to all tax 
<PAGE>
                                      -55-

benefits  ordinarily  available to an owner of a property  similar to the Leased
Properties  for such tax  purposes.  So long as no Event of  Default  shall have
occurred,  Lessor and Beneficiary  shall take no action  inconsistent  with such
intent for tax  purposes,  provided,  that  nothing in this  Article 38 shall be
deemed to restrict  Lessor's right to exercise any remedies after the occurrence
of an Event of Default.

         (b) Lessee hereby  grants and conveys,  with power of sale, to Lessor a
lien on and security  interest in all of the Lessee's right,  title and interest
in and to the Leased Properties,  together with any substitutions,  replacements
and additions  thereto,  all of Lessee's rights in and to the Approved Plans and
all general  intangibles  related to the Leased  Properties  and all of Lessee's
rights,  claims and damages arising from warranties (whether express or implied)
of architects, contractors and subcontractors and any other vendors with respect
to the development and  construction of the Improvements and all proceeds of the
conversion,  voluntary or involuntary, of the foregoing into cash, securities or
other property,  whether in the form of cash,  investments,  securities or other
property.  Lessor (upon request) and Lessee shall, to the extent consistent with
this Lease, take such actions and execute,  deliver,  file and record such other
documents,  financing  statements,  mortgages  and  deeds  of  trust  as  may be
necessary  to ensure  that,  if this Lease  were  deemed to create a lien on and
security  interest in the Leased  Properties in accordance with this Article 38,
such security  interest  would be deemed to be a perfected  lien on and security
interest  of first  priority  under  applicable  federal,  state and local  law,
subject only to Permitted  Encumbrances and Lessor Liens, and will be maintained
as such throughout the Term of this Lease.

         (c) Lessor and Lessee  intend and agree that with respect to the nature
of the  transaction  evidenced by this Lease for all commercial law purposes and
in the  context of the  exercise  of  remedies  under the  Operative  Documents,
including,  without  limitation,  in the case of any insolvency or  receivership
proceedings or a petition under the United States  bankruptcy  laws or any other
applicable  insolvency  laws or statute  of the United  States of America or any
State or  Commonwealth  thereof  affecting  Lessee,  Lessor,  Agent  Bank or the
Lenders or any  enforcement  or  collection  actions and for all other  purposes
(except as provided in  paragraph  (a) of this  Article  38),  the  transactions
evidenced  by this Lease  shall be  regarded as loans made by Agent Bank and the
Lenders as unrelated  third party lenders to Lessee secured by all of the Leased
Properties (it being  understood  that Lessee hereby  mortgages and warrants and
grants a lien on and security interest in all of the Leased Properties to Lessor
and Agent Bank to secure such loans).

         (d) Lessor and Lessee further intend and agree that, for the purpose of
securing  Lessee's  obligations for the repayment of the  above-described  loans
from Agent Bank and the  Lenders to Lessee,  (i) this Lease shall also be deemed
to be a security agreement and financing statement within the meaning of Article
9 of  the  Uniform  Commercial  Code  and a real  property  mortgage;  (ii)  the
conveyance  provided for in paragraph  (b) of this Article 38 shall be deemed to
<PAGE>
                                      -56-

be a grant by Lessee to Lessor and Agent Bank of a  mortgage  lien and  security
interest in all of the Lessee's  right,  title and interest in and to the Leased
Properties, together with any substitutions, replacements and additions thereto,
all of  the  Lessee's  rights  in and to the  Approved  Plans  and  all  general
intangibles related to the Leased Properties and all of Lessee's rights,  claims
and damages arising from warranties  (whether express or implied) of architects,
contractors and subcontractors  with respect to the development and construction
of  the  Improvements,  and  all  proceeds  of  the  conversion,   voluntary  or
involuntary,  of the  foregoing  into  cash,  investments,  securities  or other
property, whether in the form of cash, investments, securities or other property
(it being understood that Lessee hereby mortgages and warrants and grants a lien
on and  security  interest in all of the Leased  Properties  to Lessor and Agent
Bank to secure the loans described in paragraph (a) above); (iii) the possession
by Lessor or any of its  agents of notes and such  other  items of  property  as
constitute  instruments,  money,  negotiable documents or chattel paper shall be
deemed to be  "possession  by the secured  party" for purposes of perfecting the
security interest pursuant to Section 9-305 of the Uniform  Commercial Code; and
(iv)  notifications  to Persons  holding  such  property,  and  acknowledgments,
receipts or confirmations from financial  intermediaries,  bankers or agents (as
applicable)  of Lessee  shall be deemed to have been  given for the  purpose  of
perfecting such security interest under applicable federal, state and local law.
Lessor  (upon  request) and Lessee  shall,  to the extent  consistent  with this
Lease,  take such  actions  and  execute,  deliver,  file and record  such other
documents,  financing  statements,  mortgages  and  deeds  of  trust  as  may be
necessary  to ensure  that,  if this Lease  were  deemed to create a lien on and
security  interest in the Leased  Properties in accordance with this Article 38,
such lien and security  interest  would be deemed to be a perfected  lien on and
security  interest of first priority under applicable  federal,  state and local
law,  subject only to Permitted  Encumbrances,  and will be  maintained  as such
throughout the Term of this Lease.

         39.      Louisiana Provisions.

                  (a)  As to any  Leased  Property  located  in  Louisiana,  the
following shall apply:

                      (i)  Lessor  shall  mean  and  include  both  First  Union
National  Bank,  as  Trustee  of the Iron  Mountain  Statutory  Trust - 1998,  a
Connecticut  statutory  trust  having  an  address  at 10  State  House  Square,
Hartford,  Connecticut  06103  (Prime  Trust) and First Union  National  Bank as
Trustee of the Iron Mountain  Statutory  Trust - 1998 Louisiana  Subtrust,  such
subtrust being referred hereinafter as the "Louisiana Subtrust".  All references
hereunder  to the Lessor  shall be deemed to include the  Louisiana  Subtrust as
applicable.

                      (ii) As used in this Lease,  the terms "real property" and
"real  estate"  shall be deemed to  include  immovable  property;  the term "fee
estate" shall include full  ownership;  the term  "personal  property"  shall be
deemed to include movable property; the term "tangible property" shall be deemed
to include corporeal property; the term "intangible property"
<PAGE>
                                      -57-

shall be deemed to include incorporeal  property;  the term "easements" shall be
deemed to include  servitudes;  the phrase "covenant  running with the land" and
other  words of  similar  import  shall be deemed to  include a real  right or a
recorded lease of immovable property;  the term "county" shall be deemed to mean
parish'  the term "joint and  several  liability"  shall be deemed to include in
solido liability;  the terms "deed in lieu of foreclosure,"  "conveyance in lieu
of  foreclosure  and words of similar import shall include a dation en paiement;
and the terms "UCC," "Uniform  Commercial  Code," or "Code" and words of similar
import shall include the Louisiana  Commercial Laws, La R.S. ss.ss.  10:1-101 et
seq.

                      (iii) If a conveyance is to be made by the Lessor  without
recourse of warranty,  the  conveyance  shall be made without any warranty as to
title or condition, whether express or implied, including but not limited to any
warranty against redhibitory defects.

                  (b)  As to  any  Leased  Property  located  in  the  State  of
Louisiana,  Lessee also waives all representations and warranties on the part of
Lessor,  whether  oral  or  written,  express  or  implied,  including,  without
limitation,  all warranties  that the Leased  Property are free from defects and
deficiencies, whether hidden or apparent, and all warranties with respect to the
condition  of the Leased  Property  under  Louisiana  Civil Code  Articles  2692
through  2704  or  any  other  provision  of  Louisiana  law.  Except  as may be
specifically  provided for in this Lease, lessor will have no obligation to make
any repairs, improvements or changes to the Leased Property located in Louisiana
prior to or during the term of this Lease.

                  (c) Except for any notices  specifically  provided for in this
Lease,  Lessee waives any notice to vacate the Leased Property,  including,  but
not limited to, the notice to vacate  provided  for in  Louisiana  Code of Civil
Procedure Articles 4701, et seq.

                  (d) Should one or more Events of Default  occur or exist under
Lease,  Lessor,  at is option,  may  exercise  any one or more of the  following
rights and remedies,  in additional to any other rights and remedies provided by
law.

                      (i)  Seizure and Sale of Leased  Properties.  In the event
that Lessor elects to commence  appropriate  Louisiana  foreclosure  proceedings
under the Lease,  Lessor may cause the Leased  Properties,  or any part or parts
thereof,  to be  immediately  seized  and sold,  whether  in term of court or in
vacation,  under ordinary or executory  process,  in accordance  with applicable
Louisiana law, to the highest bidder for cash, with or without appraisement, and
without the necessity of making  additional  demand upon or notifying  Lessee or
placing Lessee in default, all of which are expressly waived.

                      (ii)  Confession of Judgment.  For purposes of foreclosure
under Louisiana  executory  process  procedures,  Lessee confesses  judgment and
acknowledges  to be indebted unto and in favor of Lessor,  up to the full amount
of its obligations  under the Lease, in 
<PAGE>
                                      -58-

principal,  interest,  costs,  expenses,  attorneys'  fees  and  other  fees and
charges.  Lessee further confesses judgment and acknowledges to be indebted unto
and in favor of Lessor in the  amount of all  advances  that  Lessor may make on
Lessee's behalf pursuant to the Lease or any other Operative Document,  together
with interest thereon.  To the extent permitted under applicable  Louisiana law,
Lessee additionally waives: (a) the benefit of appraisal as provided in Articles
2332,  2336,  2723 and 2724 of the Louisiana  Code of Civil  Procedure,  and all
other laws with regard to appraisal upon judicial sale; (b) the demand and three
(3) days' delay as provided  under  Articles 2639 and 2721 of the Louisiana Code
of Civil  Procedure;  (c) the notice of seizure as provided  under Articles 2293
and 2721 of the Louisiana Code of Civil Procedure; (d) the three (3) days' delay
provided under Articles 2331 and 2722 of the Louisiana Code of Civil  Procedure;
and (e) all other benefits  provided  under Articles 2331,  2722 and 2723 of the
Louisiana  Code of Civil  Procedure  and all  other  Articles  not  specifically
mentioned above.

                      (iii) Keeper.  Should any or all of the Leased  Properties
be seized as an incident to an action for the  recognition or enforcement of the
Lease, by executory process, sequestration,  attachment, writ of fieri facias or
otherwise,  Lessee hereby agrees that the court issuing any such order shall, if
requested by Lessor,  Appoint Lessor,  or any agent designated by Lessor, or any
person or entity named by Lessor at the time such seizure is  requested,  or any
time thereafter,  as Keeper of the Leased  Properties as provided under La. R.S.
ss.ss.9:5136,   et  seq.   Such  a  Keeper  shall  be  entitled  to   reasonable
compensation.  Lessee agrees to pay the  reasonable  fees of such Keeper,  which
compensation to the Keeper shall also be secured by the Lease, in the form of an
Advance as provided herein.

                      (iv)  Declaration of Fact.  Should it become necessary for
Lessor to foreclose under the Lease,  all  declarations of fact,  which are made
under an authentic act before a Notary Public in the presence of two  witnesses,
by a person  declaring  such  facts to lie within  his or her  knowledge,  shall
constitute  authentic  evidence for  purposes of executory  process and also for
purposes  of La.  R.S.  ss.9:3509.1,  La.  R.S.  ss.9:3504(D)(6)  and  La.  R.S.
ss.10:9-508, where applicable.

                      (v) Separate Sale of Lessee's Leased Properties  Following
Default.  Should one or more  Events of Default  occur or exist under the Lease,
Lessor shall have the additional  right, at its sole option,  to separately sell
the Leased Properties,  or any part or parts thereof, at private or public sale,
at such  price or prices as Lessor  may deem  best,  either  for cash or for any
other compensation, or on credit, or for future delivery, without the assumption
of  any  credit  risk.  The  sale  of  the  Leased  Properties  may  be  without
appraisement,  the benefit of which is also expressly  waived by Lessee.  Lessor
may exercise any other remedies with regard to Lessee's Leased Properties as may
be authorized under the Louisiana Commercial Laws (La. R.S. 10:9-101,  et seq.).
The sale, lease or other  disposition of the Leased Properties after default may
be for cash, credit, or any combination thereof.  Lessor may purchase all or any
part of such  Leased  Properties  at public  sale (or if  permitted  by law,  at
private  sale) and in lieu of actual  
<PAGE>
                                      -59-

payment of any such purchase price, may set-off the amount of such price against
then outstanding  balance of the Lease  obligations and all Advances that Lessor
may have advanced on Lessee's  behalf,  together with the interest  thereon,  as
provided under the Lease.  Any notice  required to be given by Lessor of a sale,
lease or other  disposition,  or other intended  action with respect to Lessee's
Leased Properties,  given at least ten (10) calendar days prior to such proposed
action, shall constitute reasonable and fair notice to Lessee of such action.

                      To the full extent  permitted by  applicable  law,  Lessee
hereby  waives  and  releases  Lessor  of and  from  any and all  liability  and
penalties  for  failure  of  Lessor  to  comply  with  any  statutory  or  other
requirement imposed upon Lessor relating to notices of sale, holding of sale, or
reporting  of any sale.  Lessor  shall have the right to postpone or adjourn any
sale or other disposition of the Leased Properties at any time without giving of
notice of any such  postponed or adjourned  dates.  In the event Lessor seeks to
take  possession  of any or all of the Leased  Properties by court  process,  or
otherwise,  Lessee  hereby  irrevocably  waives any bonds and surety or security
relating thereto required by any statute, court rule or otherwise as an incident
to such possession. Lessee further waives any demand for possession prior to the
commencement  of any suit or action  and  waives the right to trial by jury with
respect thereto, and any other action in which Lessor is a party.

                      (vi) Automatic Transfer of Lease Property. In the event of
foreclosure  under the Lease,  or other  transfer of title or  assignment of the
Leased  Properties,  or any part of parts  thereof,  in lieu of  payment  of the
obligations  under the  Lease,  whether  in whole or in part,  all  policies  of
insurance  applicable  to the  foreclosed  upon or  transferred  Property  shall
automatically  inure to the  benefit  of and shall pass to the  purchaser(s)  or
transferee(s)   thereof,   subject  to  the  rights  of  the   purchaser(s)   or
transferee(s) to reject such insurance  coverage and/or Leased Properties at its
or their sole option and election.

                      (vii) Specific Performance. Lessor may, in addition to the
foregoing remedies, or in lieu thereof, in Lessor's sole discretion, commence an
appropriate  action against Lessee seeking specific  performance or any covenant
contained  herein, or in aid of the execution or enforcement of any power herein
granted.

                      (viii)  Assignees.  Any remedies  contained  herein may be
exercised by Lessor or any  assignee of Lessor,  including  without  limitation,
Agent Bank as assignee under the Assignment of Lease and Agency  Agreement dated
as of October 1, 1998.

         (e) As for any Leased Property in Louisiana:

                      (i)  Lessee  grants  a  security  interest  in  all of the
Lessee's  right,  title and interest in and to the Leased  Properties,  together
with any  substitutions,  replacements  and additions  thereto,  all of Lessee's
rights in and to the Approved Plans and all general  intangibles  

<PAGE>
                                      -60-

related to the Leased Properties and all of Lessee's rights,  claims and damages
arising from warranties (whether express or implied) of architects,  contractors
and  subcontractors  and any other vendors with respect to the  development  and
construction of the Improvements  and all proceeds of the conversion,  voluntary
or  involuntary,  of the  foregoing  into cash,  securities  or other  property,
whether in the form of cash, investments,  securities or other property.  Lessor
(upon request) and Lessee shall, to the extent  consistent with this Lease, take
such  actions  and  execute,  deliver,  file and record  such  other  documents,
financing statements, mortgages and deeds of trust as may be necessary to ensure
that, if this Lease were deemed to create a lien on and security interest in the
Leased Properties in accordance with Article 38, such security interest would be
deemed to be a perfected  lien on and security  interest of first priority under
applicable federal,  state and local law, subject only to Permitted Encumbrances
and Lessor Liens,  and will be maintained  as such  throughout  the Term of this
Lease. In order to secure Lessee's  obligations  under the Lease and any and all
other  obligations,  liabilities or indebtedness of Lessee to Lessor whether now
existing or  hereafter  arising  under the  Operative  Documents,  (the  "Lessor
Obligations")  up to a maximum amount of  $100,000,000  (the  "Amount"),  Lessee
hereby  mortgages,  pledges,  hypothecates,  assigns,  collaterally  assigns and
grants  and  conveys  with  power  of sale to  Lessor  and  grants  to  Lessor a
continuing together with all accounts, equipment, inventory, chattel paper, good
and general intangibles,  documents, instruments and investment property used in
connection with, arising out of or in any way related to the Leased Properties.

                      (ii) Lessor and Lessee  further intend and agree that, for
the  purpose  of  securing  Lessee's   obligations  for  the  repayment  of  the
above-described  loans from Agent Bank and the Lenders to Lessee, (i) this Lease
shall also be deemed to be a security  agreement and financing  statement within
the  meaning of Article 9 of the  Uniform  Commercial  Code and a real  property
mortgage;  (ii) the mortgage and security interest provided for in paragraph (b)
of  Article  38 shall be deemed to be a grant by Lessee to Lessor and Agent Bank
of a mortgage lien and security interest in all of the Lessee's right, title and
interest  in and to the  Leased  Properties,  together  with any  substitutions,
replacements  and additions  thereto,  all of the Lessee's  rights in and to the
Approved Plans and all general  intangibles related to the Leased Properties and
all of Lessee's  rights,  claims and damages  arising from  warranties  (whether
express or implied) of architects,  contractors and subcontractors  with respect
to the development and construction of the Improvements, and all proceeds of the
conversion,  voluntary or involuntary,  of the foregoing into cash, investments,
securities  or  other  property,  whether  in the  form  of  cash,  investments,
securities or other property (it being  understood that Lessee hereby  mortgages
and  warrants  and grants a lien on and  security  interest in all of the Leased
Properties  to Lessor and Agent Bank to secure the loans  described in paragraph
(a)  above);  (iii) the  possession  by Lessor or any of its agents of notes and
such other  items of  property  as  constitute  instruments,  money,  negotiable
documents  or chattel  paper  shall be deemed to be  "possession  by the secured
party" for  purposes of  perfecting  the security  interest  pursuant to Section
9-305 of the Uniform  Commercial Code; and (iv) notifications to Persons 
<PAGE>
                                      -61-

holding such  property,  and  acknowledgments,  receipts or  confirmations  from
financial  intermediaries,  bankers or agents (as applicable) of Lessee shall be
deemed to have been given for the purpose of perfecting  such security  interest
under applicable federal, state and local law.  Notwithstanding  anything to the
contrary,  the Lease  shall  secure the  Lessor  Obligations  up to the  Maximum
Amount.  Lessor (upon request) and Lessee shall,  to the extent  consistent with
this Lease, take such actions and execute,  deliver,  file and record such other
documents,  financing  statements,  mortgages  and  deeds  of  trust  as  may be
necessary  to ensure  that,  if this Lease  were  deemed to create a lien on and
security  interest in the Leased  Properties in accordance with Article 38, such
lien  and  security  interest  would be  deemed  to be a  perfected  lien on and
security  interest of first priority under applicable  federal,  state and local
law,  subject only to Permitted  Encumbrances,  and will be  maintained  as such
throughout the Term of this Lease.
<PAGE>


         IN WITNESS WHEREOF,  the undersigned have executed this Lease as of the
day and year first above written.

                               Lessor:

                               IRON MOUNTAIN STATUTORY TRUST -
                               1998

                               By: FIRST UNION NATIONAL BANK, not in
                                   its individual capacity except as expressly
                                   set forth herein, but solely as Trustee under
                                   the Amended and Restated Owner Trust
                                   Agreement dated as of October 1, 1998


                                        By:      /s/ Diane M. Welsh         
                                                 Name:  Diane M. Welsh
                                                 Title:    Vice President


                               Lessee:

                               IRON MOUNTAIN RECORDS
                               MANAGEMENT, INC.


                               By:      /s/ John P. Lawrence                
                                        Name:  John P. Lawrence
                                        Title:  Vice President and Treasurer



<PAGE>

         THUS DONE AND PASSED, as of the day, month and year first written above
in the City of Boston, County/Parish of Suffolk,  Commonwealth of Massachusetts,
in the presence of the undersigned competent witnesses,  who hereunto sign their
names with Lessor, Lessee and me, notary, after due reading of the whole.


                                      Lessor:

WITNESS:                              FIRST UNION NATIONAL BANK, a national
                                      banking institution, not in its individual
                                      capacity, but solely as Trustee of the 
                                      IRON MOUNTAINSTATUTORY TRUST - 1998 
                                      LOUISIANA SUBTRUST
                        
/s/ Scott C. Altonian
Printed Name: Scott C. Altonian
                                      By:  /s/ Diane M. Welsh             
/s/ Louise A. Handler                      Name:   Diane M. Welsh
Printed Name: Louise A. Handler            Title:  Vice President
                                      
                                      Lessee:
                                      
                                      IRON MOUNTAIN RECORDS MANAGEMENT,
                                      INC.


                                      By:  /s/ John P. Lawrence             
                                           Name:  John P. Lawrence
                                           Title:  Vice President and Treasurer



                             /s/ Carolyn D. Killian
                        Printed Name: Carolyn D. Killian
                                  NOTARY PUBLIC
                         My Commission Expires: 11/22/02
                                     [SEAL]


                                                                   Exhibit 10.21







                             UNCONDITIONAL GUARANTY

                                      from

                           IRON MOUNTAIN INCORPORATED
                                  as Guarantor

                                       to

                      IRON MOUNTAIN STATUTORY TRUST - 1998
                                    as Owner

                           Dated as of October 1, 1998



<PAGE>

         THIS  UNCONDITIONAL  GUARANTY,  dated as of  October 1 , 1998  (herein,
together with all amendments and supplements hereto,  called this Guaranty),  is
from Iron Mountain Incorporated,  a Delaware corporation (herein,  together with
its successors and assigns, called Guarantor), having an address at 745 Atlantic
Avenue,  Boston,  Massachusetts 02111,  Attention:  Treasurer,  to Iron Mountain
Statutory Trust - 1998, a Connecticut  statutory trust (herein together with its
successors  and  assigns,  called  Owner),  having an address at c/o First Union
National Bank, 10 State House Square,  Hartford,  Connecticut 06103,  Attention:
Corporate Trust  Administration.  Terms not otherwise  defined herein shall have
the meanings set forth in Appendix I to the Lease (as hereinafter defined).

                              Preliminary Statement

         Owner has entered  into a Lease  Agreement  dated as of the date hereof
with Iron Mountain Records  Management,  Inc. (herein called Lessee) (said Lease
Agreement,  as  supplemented  or amended  from time to time,  including  without
limitation  by a Lease  Supplement,  herein  called the Lease)  relating  to the
Leased  Properties.  Pursuant to the terms of the Lease,  Lessee shall lease the
Leased Properties from Owner for a term of years, as more particularly set forth
in the  Lease.  Owner has also  entered  into an  Amended  and  Restated  Agency
Agreement dated as of the date hereof (herein called the Agency  Agreement) with
Lessee, as agent.  Pursuant to the terms of the Agency Agreement,  Lessee shall,
as agent for Owner,  acquire  additional  Properties  (as  defined in the Agency
Agreement and hereunder,  together with the Leased  Properties,  the Properties)
and  otherwise  perform  certain  obligations  relating  thereto,  all  as  more
particularly set forth in the Agency Agreement. Guarantor is the owner of all of
the issued and  outstanding  stock of Lessee.  In order to induce Owner to enter
into the Lease and the Agency Agreement and to enter into the leasing and agency
arrangements with Lessee, as more particularly described therein,  Guarantor has
entered into this Guaranty with respect to the  obligations  of Lessee under the
Lease and the Agency Agreement.

         NOW,  THEREFORE,  in consideration of the premises,  and for other good
and  valuable  consideration,  the  receipt and  sufficiency  of which is hereby
acknowledged, Guarantor agrees as follows:



<PAGE>


                                        2

         1. Guarantor  unconditionally and irrevocably  guaranties to (a) Owner,
and (b) to the extent of Lessee's  obligations to the Indemnified  Parties,  the
Indemnified  Parties,  the prompt payment and  performance of all obligations of
Lessee  under  the  Lease  and  the  Agency  Agreement  (all  of  the  foregoing
collectively,  the  Guaranteed  Obligations).  This Guaranty is an  irrevocable,
absolute, present, primary, continuing, unlimited and unconditional promise with
respect to the full and punctual  payment and  performance  by Lessee of each of
the Guaranteed Obligations,  and is not a promise of collectibility only, and is
in no way conditional  upon the requirement  that Owner first attempt to collect
payment or demand  performance  from Lessee or that Owner resort to any security
or other  means of  obtaining  such  payment  or  performance  or upon any other
contingency.  If for any reason (i) any such sums shall not be paid  promptly by
Lessee when due, or (ii) any such covenant,  agreement, term or condition is not
performed  or  observed  by Lessee in  accordance  with the Lease or the  Agency
Agreement,  Guarantor,  shall,  without notice or demand of any nature,  pay the
same by wire transfer of  immediately  available  federal funds to the Person or
Persons  entitled  thereto  pursuant to the provisions of said  instruments  and
shall perform and observe or cause to be promptly  performed and observed  every
such covenant, agreement, term and condition, in each case regardless of (i) any
defenses or rights of set-off or  counterclaims  which  Guarantor  or Lessee may
have or assert,  (ii)  whether  Owner  shall have taken any steps to enforce any
rights against Lessee or any other remedy  thereunder as a result of the default
of  Lessee  thereunder  and (iii) any other  event,  condition,  contingency  or
circumstance  whatsoever.  Guarantor  also  agrees to pay to such  Persons  such
further  amounts  as shall be  sufficient  to cover the costs  and  expenses  of
collecting  such  sums  or  any  part  thereof,  or of  otherwise  enforcing  or
protecting the rights of such Persons under the Lease,  the Agency Agreement and
this Guaranty,  including  reasonable  fees and expenses of its attorneys and to
Owner and its attorneys for all services  rendered in that connection and in any
related proceeding.

         2. The obligations, covenants, agreements and duties of Guarantor under
this Guaranty shall be absolute and  unconditional,  shall not be subject to any
counterclaim,  setoff, deduction, diminution, abatement, recoupment, suspension,
deferment, reduction or defense based upon any claim that Guarantor or any other
Person may have against Lessee, Owner or any

<PAGE>
                                        3

other Person,  and,  until the payment or  performance in full of the Guaranteed
Obligations,  shall remain in full force and effect without regard to, and shall
not be  released,  discharged  or in any way affected  by, any  circumstance  or
condition  whatsoever (whether or not Owner,  Guarantor or Lessee shall have any
knowledge or notice thereof),  including, without limitation, the happening from
time to time of any of the following, although without notice to, or the consent
of, Guarantor:

         (a)      the  waiver  by  Owner of the  performance  or  observance  by
                  Lessee, Guarantor or any other party of any of the agreements,
                  covenants,  terms or  conditions  contained in the Lease,  the
                  Agency Agreement, this Guaranty or any other instrument;

         (b)      the extension, in whole or in part, of the time for payment by
                  Lessee or  Guarantor  of any sums owing or  payable  under the
                  Lease, the Agency  Agreement or this Guaranty,  as applicable,
                  or of any other sums of obligations under or arising out of or
                  on account of the Lease, the Agency  Agreement,  this Guaranty
                  or the renewal or extension of either thereof;

         (c)      any assignment or subsequent  reassignment  of the Lease,  the
                  Agency Agreement or this Guaranty, in whole or in part, or the
                  leasing or subletting of the Properties or any part thereof;

         (d)      the modification or amendment  (whether material or otherwise)
                  of any of the  obligations  of Lessee or  Guarantor  under the
                  Lease, the Agency Agreement or this Guaranty, as applicable;

         (e)      the taking or the  omission of any of the acts  referred to in
                  the Lease, the Agency  Agreement or this Guaranty  (including,
                  without  limitation,  the giving of any  consent  referred  to
                  herein or  therein,  but  excepting  therefrom  those acts and
                  omissions  permitted  in  compliance  with and pursuant to the
                  terms of the Lease or the  Agency  Agreement,  as the case may
                  be,  and  any  assignment  or  reassignment  thereof  or  this
                  Guaranty  and  any  assignment  or  reassignment   hereof,  as
                  appropriate);

         (f)      any  failure,  omission  or  delay  on the  part of  Owner  to
                  enforce,  assert  or  exercise  any  right,  power  or  remedy
                  conferred  on or  available  to Owner in or by the Lease,  the
                  Agency Agreement,  this Guaranty or any other  instrument,  or
                  any  action  on the  part  of  Owner  granting  indulgence  or
                  extension in any form whatsoever;

         (g)      the voluntary or involuntary liquidation, dissolution, sale of
                  all or substantially  all of the assets,  marshaling of assets
                  and liabilities,  receivership,  conservatorship,  insolvency,
                  bankruptcy,   assignment   for  the   benefit  of   creditors,
                  reorganization,

<PAGE>


                                        4

                  arrangement,  composition or readjustment of, or other similar
                  proceeding  affecting,  Owner,  Lessee or  Guarantor or any of
                  their respective assets;

         (h)      the release of Lessee or  Guarantor  from the  performance  or
                  observance  of any  of the  agreements,  covenants,  terms  or
                  conditions  contained in the Lease, the Agency  Agreement,  or
                  this  Guaranty,   as  applicable,   by  operation  of  law  or
                  otherwise,   except  for  those  releases  given  or  made  in
                  compliance  with and pursuant to the terms of the Lease or the
                  Agency  Agreement,  as  applicable,   and  any  assignment  or
                  reassignment  thereof,  or this Guaranty and any assignment or
                  reassignment  hereof,  as  applicable,  or any  invalidity  or
                  unenforceability  of the Lease,  the Agency  Agreement or this
                  Guaranty or any other Operative Document;

         (i)      any  defect  in  the  title,  or  any  damage  to or  loss  or
                  destruction of, or any interruption or cessation in the use of
                  the Properties or any portion thereof by Lessee for any reason
                  whatsoever  (including,  without limitation,  any governmental
                  prohibition or restriction, condemnation,  requisition, or any
                  other act on the part of any  governmental  authority,  or any
                  act of force majeure) regardless of the duration thereof (even
                  though such duration would otherwise  constitute a frustration
                  of the  Lease or the  Agency  Agreement,  as the case may be),
                  whether or not  resulting  from  accident  and  whether or not
                  without fault on the part of Lessee or any other Person;

         (j)      the  inability of Owner or Lessee to enforce any  provision of
                  the Lease or the Agency Agreement for any reason;

         (k)      any merger or  consolidation  of Lessee or  Guarantor  into or
                  with any other  corporation or any sale,  lease or transfer of
                  any of the assets of Lessee or Guarantor to any other Person;

         (l)      any change in the corporate relationship between Guarantor and
                  Lessee;

         (m)      the  acceptance  and release by Owner of any other security or
                  guarantor for any obligation hereunder;

         (n)      any value, estimation,  termination,  rejection,  discharge or
                  disaffirmance by any Person (including  trustees,  trustees in
                  bankruptcy,  liquidators or representatives) of the Guaranteed
                  Obligations  in connection  with any  insolvency,  bankruptcy,
                  reorganization  or  liquidation  of Lessee  or any  proceeding
                  relating thereto;

         (o)      any  determination or claim that Owner's claims against Lessee
                  are or may be limited by Section  502(b) (6) of the Bankruptcy
                  Code, as amended,  or to any similar or successor provision of
                  law upon any rejection of the Lease or the Agency Agreement in
                  a bankruptcy proceeding filed by or against Lessee;
<PAGE>
                                        5

         
         (p)      any  failure or  recharacterization  of title with  respect to
                  Owner's,  Lessee's  or  any  other  Person's  interest  in the
                  Properties; or

         (q)      any  other  occurrence  or  circumstance  whatsoever,  whether
                  similar  or   dissimilar   to  the  foregoing  and  any  other
                  circumstance  that  might  otherwise  constitute  a  legal  or
                  equitable  defense  or  discharge  of  the  liabilities  of  a
                  guarantor  or surety or that might  otherwise  limit  recourse
                  against Guarantor.

         The  obligations  of  Guarantor  set forth herein  constitute  the full
recourse  obligations  of Guarantor  enforceable  against  Guarantor to the full
extent of all its assets and  properties.  In no event shall the  obligations of
Guarantor  hereunder be  subordinated  in any manner to any other full  recourse
obligations of Guarantor.

         3.  Guarantor  unconditionally  waives (i) notice of any of the matters
referred to in Section 2, (ii) all notices that may be required by statute, rule
of law or otherwise,  now or hereafter in effect,  to preserve intact any rights
against Guarantor,  including,  without limitation,  any demand, presentment and
protest,  proof of notice of non-payment under the Lease or the Agency Agreement
and  notice  of  default  or Event of  Default  under  the  Lease or the  Agency
Agreement or this Guaranty,  or any failure on the part of Lessee to perform and
comply  with any  covenant,  agreement,  term or  condition  of the Lease or the
Agency  Agreement,  (iii) any right to the  enforcement,  assertion  or exercise
against Lessee of any right,  power,  privilege or remedy conferred in the Lease
or the Agency  Agreement or otherwise,  (iv) any requirement of diligence on the
part of Owner or any other Person, (v) any requirement that Owner take any steps
to enforce any rights against Lessee under the Lease or the Agency  Agreement or
any other remedy  thereunder or any other requirement to exhaust any remedies or
to mitigate the damages resulting from any default or Event of Default under the
Lease or the Agency  Agreement  or this  Guaranty,  (vi) any notice of any sale,
transfer or other disposition of any right, title to or interest in the Lease or
the Agency  Agreement  or the  Properties  covered  thereby by Owner,  (vii) all
rights of  Guarantor  under the laws of the states in which the  Properties  are
located,  as  the  same  may be  amended,  and  (viii)  any  other  circumstance
whatsoever  that might  otherwise  constitute  a legal or  equitable  discharge,
release or defense of a  guarantor  or  surety,  or that might  otherwise  limit
recourse against Guarantor hereunder.
<PAGE>
                                        6

         4. Notwithstanding any payment or payments made or obligation performed
by Guarantor by reason of this Guaranty,  Guarantor hereby waives (i) any claim,
right or remedy that Guarantor may now or hereafter  acquire against Lessee that
arises  hereunder  and/or  by  reason  of any  one or more  payments  or acts of
performance by Guarantor  hereunder,  including without  limitation,  any claim,
remedy  or  right  of  subrogation,  reimbursement,  exoneration,  contribution,
indemnification  or  participation  in any  claim,  right or remedy of the Owner
against Lessee or any security that Owner now has or hereafter acquires, whether
or not such claim, right or remedy arises in equity, under contract, by statute,
under common law or otherwise, (ii) any right to enforce any remedy which Lessee
or any other  guarantor of Lessee's  obligations  now has or may hereafter  have
against  Owner or its  assigns,  and (iii) any right to enforce or exercise  the
benefit of and any right to  participate  in, any security now or hereafter held
by  Owner,  in each case  until all of the  obligations  guarantied  hereby  are
performed  in full.  If any amount  shall  nevertheless  be paid to Guarantor by
Lessee in violation of this Guaranty,  such amount shall be held by Guarantor in
trust for the benefit of Owner and shall  forthwith be paid to Owner.  Guarantor
further  waives any  defense to the  recovery  by Owner  from  Guarantor  of any
deficiency or otherwise to the  enforcement of this Guaranty after a judicial or
nonjudicial  sale  or  other  disposition  of  any  security  for  or any of the
obligations of Lessee under the Lease or the Agency Agreement,  even though such
a sale may prevent  Guarantor from  exercising  rights of  subrogation,  if any,
contribution  or  reimbursement  against  Lessee or any other party.  No payment
hereunder by Guarantor shall give rise to any claim by Guarantor  against Owner,
except for payments  made in error by Guarantor to the extent such  payments are
in excess of amounts due hereunder.  Unless and until all  obligations of Lessee
under and  pursuant  to the Lease and the  Agency  Agreement,  and of  Guarantor
hereunder,  shall  have been  discharged  by  payment  or  performance  in full,
Guarantor  shall not assign or otherwise  transfer any such claim against Lessee
to any other Person.

         5. The following events shall  constitute  Events of Default under this
Guaranty:  (i)  Guarantor  shall fail to make any  payment  due  hereunder  upon
demand, or (ii) (a) there shall occur a breach of any of the covenants contained
in paragraph 10 hereof;  or (b)  Guarantor  shall fail to perform or observe any
other provision hereof and such failure shall

<PAGE>
                                        7

continue for 10 days after written notice  thereof to Guarantor  from Owner,  or
(iii) if any  representation  or  warranty  made by  Guarantor  herein or in any
document,  certificate  or notice  furnished by Guarantor to Owner in connection
herewith or pursuant hereto shall prove to be false or misleading as of the time
when made in any material  respect as of the time made, or (iv) (a) if Guarantor
shall  commence a  voluntary  case under the  federal  Bankruptcy  Act or file a
petition in bankruptcy or for  reorganization or for an arrangement  pursuant to
any federal or state  bankruptcy law or any similar federal or state law; (b) if
Guarantor shall file an order of relief or be adjudicated a debtor or a bankrupt
under any federal or state bankruptcy law or become insolvent;  (c) if Guarantor
shall  generally  not pay its debts as such  debts  become  due or shall make an
assignment  for the benefit of creditors or shall admit in writing its inability
to pay its debts  generally  as they become due; or (d) if an  involuntary  case
against  Guarantor as debtor is commenced  by a petition for  reorganization  or
liquidation  under any federal  bankruptcy  or similar  law, or if a petition or
answer   proposing  the   adjudication   of  Guarantor  as  a  bankrupt  or  its
reorganization  pursuant to any state  insolvency law or similar state law shall
be filed in any court and Guarantor  shall consent to or acquiesce in the filing
thereof or such case,  petition or answer shall not be dismissed,  discharged or
denied within 60 days after filing  thereof;  or (v) if a custodian for purposes
of  any  federal  bankruptcy  or  state  insolvency  law  of  substantially  all
Guarantor's  assets is appointed or otherwise takes possession  thereof and such
appointment remains in effect for more than 60 days; or (vi) if a receiver, U.S.
Trustee,  trustee or liquidator of Guarantor or all or substantially  all of the
assets of Guarantor  shall be appointed in any proceeding  brought by Guarantor,
or if any such receiver, U.S. Trustee,  trustee or liquidator shall be appointed
in any proceeding  brought against  Guarantor and shall not be discharged within
60 days after such appointment, or if Guarantor shall consent to or acquiesce in
such  appointment;  or (vii) if there is an Event of Default  under the Lease or
the Agency  Agreement;  then,  in each such  case,  so long as the same shall be
continuing,  Owner may, at its option,  declare this Guaranty in default, and at
any  time  thereafter,  so  long  as  Guarantor  shall  not  have  remedied  all
outstanding Events of Default hereunder, Owner shall be entitled to exercise any
remedy  available  to it at law or in equity.  No  express or implied  waiver by
Owner of an Event of Default  hereunder  shall in any way be, or be construed to
be a waiver of any further or subsequent Event of Default.


<PAGE>
                                        8

Guarantor  hereby  waives  any right  now or  hereinafter  conferred  upon it by
statute  or  otherwise  which may  limit or modify  any of  Owner's  rights  and
remedies contained herein.  Guarantor agrees to give written notice to Owner (a)
of any Event of Default hereunder  promptly after the occurrence thereof and (b)
of any Event of Default  hereunder  or under the Lease or the Agency  Agreement,
immediately  after the President or Chief Financial Officer of Guarantor obtains
actual knowledge of the occurrence thereof.

         6. (a) In the event of a default or Event of  Default  under the Agency
Agreement, Guarantor may, and in the event of the rejection or disaffirmation of
the Agency  Agreement by Lessee as debtor in possession  or Lessee's  trustee in
bankruptcy pursuant to any Bankruptcy Law or any other law affecting  creditors'
rights,  Guarantor  shall and does hereby  (without the necessity of any further
agreement or act),  assume all  obligations  and liabilities of Lessee under the
Agency  Agreement to the same extent as if it had been originally  named instead
of such Lessee as a party to such documents and there had been no such rejection
or disaffirmance;  and Guarantor shall confirm such assumption in writing at the
request of Owner upon or after such rejection or disaffirmance.  Guarantor, upon
such assumption, will have all rights of Lessee under the Agency Agreement. From
and after the date of such  assumption,  as provided in this Section  6(a),  all
provisions of this Guaranty  shall continue in full force and effect as separate
and independent undertakings of Guarantor,  binding upon and enforceable against
Guarantor  without regard to the validity or  enforceability of such assumption,
and all  provisions of this Guaranty  applicable to the Agency  Agreement and to
Owner and Lessee in respect  of the  Agency  Agreement  shall also apply to such
assumption and to Owner and Guarantor in respect of such  assumption to the same
extent and in the same manner as such  provisions  are  applicable to the Agency
Agreement and to Owner and Lessee in respect of the Agency Agreement.

                  (b) In the event of a default  or Event of  Default  under the
Lease, Guarantor may, and in the event of the rejection or disaffirmation of the
Lease by Lessee as  debtor in  possession  or  Lessee's  trustee  in  bankruptcy
pursuant to any  Bankruptcy  Law or any other law affecting  creditors'  rights,
Guarantor shall and does hereby (without the necessity of any further  agreement
or act), assume all obligations and liabilities of Lessee under the Lease to the
same extent as if it had been originally named instead of such Lessee as a party
to such  documents and there had 

<PAGE>

                                        9

been no such  rejection  or  disaffirmance;  and  Guarantor  shall  confirm such
assumption  in writing at the request of Owner upon or after such  rejection  or
disaffirmance.  Guarantor, upon such assumption,  will have all rights of Lessee
under the Lease. From and after the date of such assumption, as provided in this
Section 6(b),  all  provisions of this Guaranty shall continue in full force and
effect as separate and independent  undertakings of Guarantor,  binding upon and
enforceable  against  Guarantor without regard to the validity or enforceability
of such assumption,  and all provisions of this Guaranty applicable to the Lease
and to Owner  and  Lessee  in  respect  of the Lease  shall  also  apply to such
assumption and to Owner and Guarantor in respect of such  assumption to the same
extent and in the same manner as such provisions are applicable to the Lease and
to Owner and Lessee in respect of the Lease.

         7. It is agreed  that the  liabilities  and  obligations  of  Guarantor
hereunder  are  primary and those of a  principal,  and are  enforceable  either
before,  simultaneously  with or after proceeding  against Lessee or against any
property or security available to Owner.

         8. This  Guaranty  may not be modified  or amended  except by a written
agreement duly executed by Guarantor  with the consent in writing of Owner,  the
Agent Bank and the Lenders. Neither this Guaranty, nor any of the obligations of
Guarantor hereunder may be assigned to any person or entity by Guarantor.

         9. Guarantor shall furnish the following financial statements to Owner:

                  (a)      as soon as practicable,  copies of all such financial
                           statements,   proxy   statements,    notices,   other
                           communications and reports as Guarantor shall send on
                           a  regular  basis  to  its   shareholders  and  other
                           information,  if any,  generally  made  available  to
                           banks and other  lenders  (exclusive  of  proprietary
                           information);

                  (b)      for any period that  Guarantor  is a public  company,
                           copies of all  regular,  current or periodic  reports
                           (including  reports on Form  10-K,  Form 8-K and Form
                           10-Q) which  Guarantor  is or may be required to file
                           with the  Securities  and Exchange  Commission or any
                           governmental   body  or  agency   succeeding  to  the
                           functions of the Securities and Exchange  Commission;
                           and

                  (c)      for any period that Guarantor is not a public company
                           required to file such reports with the Securities and
                           Exchange  Commission,  then within 105 days after the
                           end of each fiscal year, and within 60 days after the
                           end of 
<PAGE>
                                       10

                           any  other  fiscal  quarter,   financial   statements
                           containing  substantially the same information as the
                           information that would be included in such reports on
                           Form 10-K or Form  10-Q,  as the case may be,  and in
                           any event, all in reasonable  detail and satisfactory
                           in scope to Owner and Owner's mortgagee, all prepared
                           in  accordance  with GAAP and,  with  respect  to the
                           annual statements,  audited, by independent certified
                           public  accountants of recognized  national  standing
                           selected by Guarantor.

Concurrently  with the  delivery  of  quarterly  financial  statements  pursuant
hereto,  Guarantor shall cause to be delivered to Owner an Officer's Certificate
(i)  stating  that  to the  best  of the  knowledge  of the  Applicable  Officer
executing such Officer's  Certificate based on reasonable inquiry,  there exists
no default or Event of Default  under the Lease,  the Agency  Agreement  or this
Guaranty  or if any such  default or Event of  Default  exists,  specifying  the
nature  thereof,  the period of  existence  thereof  and what  action  Guarantor
proposes to take with respect thereto and (ii) setting forth such information as
shall be  necessary  for Owner  and the  Agent  Bank to  confirm  compliance  by
Guarantor with the covenants contained in Paragraph 10 hereof.

         10.      (a) Guarantor hereby covenants and agrees as follows:

                      (i) Leverage Ratio.  (A) The Guarantor will not, as at the
end of any fiscal  quarter,  permit the ratio,  calculated as at the end of such
fiscal  quarter for the period of four fiscal  quarters  then ended,  of (i) the
excess of (x) the aggregate  outstanding principal amount of Funded Indebtedness
(on a  consolidated  basis) of the Guarantor and its  Subsidiaries  at such date
over (y) the aggregate  amount of cash and Liquid  Investments  of the Guarantor
and its  Subsidiaries  at such date to (ii) EBITDA for such period (the Leverage
Ratio) to exceed the ratio set forth below:

         Period                                             Leverage Ratio
         ------                                             --------------
From the date hereof through December 31, 1998                6.00 to 1
From January 1, 1999 through June 30, 1999                    5.75 to 1
From July 1, 1999 through December 31, 1999                   5.50 to 1
From January 1, 2000 through June 30, 2000                    5.25 to 1
From July 1, 2000 through December 31, 2000                   5.00 to 1
From January 1, 2001 through June 30, 2001                    4.75 to 1
From July 1, 2001 and at all times thereafter                 4.50 to 1

<PAGE>
                                       11

         (B) The Guarantor will not, as at the end of any fiscal quarter, permit
the ratio,  calculated  as at the end of such  fiscal  quarter for the period of
four  fiscal  quarters  then  ended,  of (i) the  excess  of (x)  the  aggregate
outstanding  principal amount of Indebtedness  (on a consolidated  basis) of the
Pond  Joint  Venture  and each  Excluded  Subsidiary  at such  date over (y) the
aggregate  amount of cash and Liquid  Investments  of the Pond Joint Venture and
each  Excluded  Subsidiary  at such date to (ii)  EBITDA  for such  period  (the
Foreign  Leverage  Ratio) to  exceed  3.50 to 1.  Solely  for  purposes  of this
paragraph  (B), in  determining  the Foreign  Leverage  Ratio,  EBITDA  shall be
determined  by  including   only  the  Pond  Joint  Venture  and  each  Excluded
Subsidiary.

                      (ii) Interest  Coverage  Ratio.  Guarantor will not, as at
the end of any fiscal  quarter,  permit the ratio,  calculated  as at the end of
such fiscal  quarter for the period of four fiscal  quarters then ended,  of (i)
EBITDA for such period to (ii) Interest  Expense for such period to be less than
the ratio set forth below for the period in which such fiscal quarter ends:

         Period                                       Interest Coverage Ratio
         ------                                       -----------------------
From the date hereof through December 31, 1998                1.70 to 1
From January 1, 1999 through December 31, 1999                1.85 to 1
From January 1, 2000 through December 31, 2000                2.00 to 1
From January 1, 2001 through September 30, 2001               2.25 to 1
From October 1, 2001 and all times thereafter                 2.50 to 1

                  For purposes of calculating any ratio set forth in this clause
(ii), if Guarantor elects pursuant to the penultimate sentence of the definition
of EBITDA set forth in  paragraph  (c) below to include in EBITDA for the period
to which such ratio relates the pro forma amounts  referred to in such sentence,
there  shall be included in  Interest  Expense for such  period,  on a pro forma
basis,  interest  accruing during such period on Indebtedness  (and the interest
portion of payments under Capitalized Lease Obligations)  assumed or incurred by
Guarantor and its 


<PAGE>
                                       12

Subsidiaries  (on  a  consolidated  basis)  in  connection  with  any  Permitted
Acquisition having  Acquisition  Consideration of more than $500,000 during such
period.

                      (iii) Fixed Charges Coverage Ratio. Guarantor will not, as
at the end of any fiscal quarter,  permit the ratio, calculated as at the end of
such fiscal  quarter for the period of four fiscal  quarters then ended,  of (i)
Adjusted EBITDA for such period to (ii) Fixed Charges for such period to be less
than the ratio set forth below for the period in which such fiscal quarter ends:

                                                             Fixed Charges
         Period                                             Coverage Ratio
         ------                                             --------------

From the date hereof through December 31, 1998                1.20 to 1
From January 1, 1999 through December 31, 1999                1.40 to 1
From January 1, 2000 through December 31, 2000                1.75 to 1
From January 1, 2001 and at all times thereafter              1.75 to 1

                  For purposes of calculating any ratio set forth in this clause
(iii),  if  Guarantor  elects  pursuant  to  the  penultimate  sentence  of  the
definition  of EBITDA to  include  in EBITDA  for the period to which such ratio
relates  the pro forma  amounts  referred  to in such  sentence,  there shall be
included in Interest  Expenses for such period,  on a pro forma basis,  interest
accruing  during  such  period on  Indebtedness  (and the  interest  portion  of
payments under Capitalized Lease  Obligations)  assumed or incurred by Guarantor
and its Subsidiaries (on a consolidated  basis) in connection with any Permitted
Acquisition having  Acquisition  Consideration of more than $500,000 during such
period.
                           
                      (iv) Liens. Guarantor will not, and will not permit any of
its  Subsidiaries  to,  create or suffer to exist any Lien upon any  property or
assets,  now owned or hereafter  acquired,  securing any  Indebtedness  or other
obligation,  except:  (i) Liens in favor of the agent bank and lenders under the
Credit  Agreement on the capital stock and related  proceeds of all Subsidiaries
of the  Guarantor  from time to time;  (ii) the Liens  existing on September 26,
1997 and Liens arising out of the refinancing,  extension,  renewal or refunding
of any Indebtedness  secured by any Lien set forth on Schedule III to the Credit
Agreement, provided that the

<PAGE>
                                       13

principal amount of such Indebtedness is not increased and is not secured by any
additional assets;  (iii) Liens otherwise  permitted by the Operative  Documents
contemplated by or securing  Indebtedness  described in clauses (ii),  (iv), (v)
and (vii) of the  definition of Permitted  Indebtedness  set forth in the Credit
Agreement;  (iv)  attachment,   judgment  or  other  similar  Liens  arising  in
connection with litigation or other legal proceedings,  provided that either (A)
the claims in respect of such Liens are fully  covered by  insurance  or (B) the
execution  or other  enforcement  of such  Liens is  effectively  stayed and the
claims  secured  thereby  are in an  amount  not  to  exceed  $1,000,000  in the
aggregate  and are being  contested  in good  faith by  appropriate  proceedings
diligently  prosecuted;  (v)  Liens  on  properties  or  assets  of an  Excluded
Subsidiary securing Indebtedness of such Excluded Subsidiary permitted under the
Credit  Agreement;  (vi)  other  Liens  arising  in the  ordinary  course of the
business  of the  Guarantor  or  such  Subsidiary  which  are  not  incurred  in
connection  with the  borrowing of money or the  obtaining of advances or credit
and which do not materially  detract from the value of its property or assets or
materially impair the use thereof in the operation of its business;  (vii) Liens
securing  Indebtedness  created or  incurred  by the Pond  Joint  Venture or any
Excluded  Subsidiary,  provided that such Liens extend only to the assets of the
Pond Joint Venture or any Excluded  Subsidiary  incurring such Indebtedness as a
primary  obligor  (and not as a  guarantor)  or Capital  Stock of the Pond Joint
Venture or such Excluded  Subsidiary;  and (viii) Liens arising under or created
pursuant to the Lease.

                      (v) Other Covenants. Guarantor will throughout the Term of
the Lease comply with all  covenants of Guarantor  contained in Section 9 of the
Credit Agreement,  all of which are incorporated herein by reference;  provided,
however,  to the extent that any such covenant is inconsistent with any covenant
in the Operative  Documents,  including,  without  limitation  contained in this
subparagraph  (a), such covenant in the  Operative  Documents  shall control and
shall not be subject to (b) below.

                  (b) The covenants  incorporated  by reference in (a)(v) above,
and the related definitions shall, without further action hereunder,  be amended
to conform to any amendment,  written waiver,  or modification to such covenants
(or related  definitions)  contained in the Credit Agreement;  provided however,
that if the Credit Agreement shall be terminated for any reason,

<PAGE>
                                       14

the form of the covenants and the related definitions  incorporated by reference
in (a)(v) above at the time of such  termination  shall  continue  hereunder and
Guarantor  shall execute such amendments or supplements  hereto  evidencing such
survival as the Agent Bank may reasonably request.

                  (c) As used in this  paragraph 10, the  following  terms shall
have the following meanings:

                  "Acquisition"  shall mean an  acquisition of assets of, or all
or  substantially  all of the Capital  Stock of,  another  business by Guarantor
and/or one or more of its Subsidiaries.

                  "Acquisition  Consideration"  shall mean,  with respect to any
Acquisition,  the aggregate  amount of  consideration  paid by Guarantor and its
Subsidiaries in connection  therewith,  inclusive of (a) Stock Consideration and
(b) other  consideration  on account of (i) any expenses  incurred in connection
with such Acquisition, (ii) liabilities under agreements not to compete incurred
in connection with such Acquisition,  (iii) the principal amount of Indebtedness
assumed in connection with such  Acquisition  and (iv)  Additional  Expenditures
related to such Acquisition.

                  "Additional  Expenditures"  shall  mean,  with  respect to any
Acquisition,   amounts   expended  or  to  be  expended  by  Guarantor  and  its
Subsidiaries  within twelve months after the date of such Acquisition to acquire
or construct  facilities and equipment that are not part of the assets  acquired
pursuant to such  Acquisition  but which are deemed by Guarantor to be essential
for the integration or restructuring of the assets so acquired.

                  "Adjusted EBITDA" shall mean, for any period,  EBITDA for such
period, minus the tax provision for such period currently payable.
<PAGE>

                                       15


                  "Arcus UK" shall mean Arcus Data Security Limited,  an English
company that, prior to the formation of the Pond Joint Venture, was wholly owned
by Arcus Data Security, Inc., a Delaware corporation and Wholly Owned Subsidiary
of the Guarantor.

                  "Capital  Expenditures"  shall mean expenditures in respect of
fixed assets by Guarantor or any of its Subsidiaries,  including the capitalized
amount of Capital Lease Obligations  incurred during the relevant period,  other
than (i)  expenditures for the restoration or replacement of fixed assets to the
extent financed by the proceeds of an insurance  policy  described in clause (i)
of Section 9.03 of the Credit  Agreement or through a condemnation  award,  (ii)
Permitted Acquisitions,  (iii) Qualifying Sale-Leaseback Transactions (except to
the extent any lease of  Property by  Guarantor  or any of its  Subsidiaries  in
connection   therewith  would  constitute  a  capital  lease),  (iv)  Additional
Expenditures  related to Permitted  Acquisitions  and (v) Large  Volume  Account
Capitalized Expenditures.

                  "Capital Lease  Obligations" shall mean, as to any Person, the
obligations  of such  Person to pay rent or other  amounts  under a lease of (or
other agreement  conveying the right to use) real and/or personal property which
obligations  are required to be classified  and accounted for as a capital lease
on a balance sheet of such Person under GAAP  (including  Statement of Financial
Accounting  Standards No. 13 of the Financial  Accounting  Standards Board) and,
for  purpose  of this  Agreement,  the amount of such  obligations  shall be the
capitalized  amount thereof,  determined in accordance with GAAP (including such
Statement No. 13).

                  "Dollars" and "$" shall mean lawful money of the United States
of America.

                  "EBITDA"   shall  mean  for  any  period,   the  sum  (without
duplication),   determined  on  a  consolidated  basis  for  Guarantor  and  its
Subsidiaries,  of (a) net income for such period plus (b) to the extent deducted
in  determining  net income for such  period,  the sum of (i)  depreciation  and
amortization  (including deferred financing costs,  organization costs, goodwill
and non-compete  amortization) for such period, (ii) other non-cash expenses for
such period,  (iii) interest 


<PAGE>
                                       16

expense for such period,  (iv)  provision for income taxes for such period,  (v)
extraordinary  losses  (including  without  limitation  losses  arising from any
natural disasters) for such period, (vi) non-compete expenses for such period to
the extent not  capitalized in accordance with GAAP and (vii) losses on sales of
fixed assets not in the ordinary course of business for such period after giving
effect to any related charges for, reductions of or provisions for taxes thereon
minus (c) to the  extent  included  in the  calculation  of net  income for such
period, the sum of (i) other income (including interest income) for such period,
(ii)  extraordinary  gains for such  period  and  (iii)  gains on sales of fixed
assets not in the  ordinary  course of  business  for such period  after  giving
effect to any related charges for, reduction of or provisions for taxes thereon.

                  For the  purposes  of  calculating  the  ratios  set  forth in
clauses (i)(A),  (ii) and (iii) of paragraph 10(a) there may, at the Guarantor's
option,  and for purposes of calculating the ratio set forth in clause (i)(B) of
paragraph 10(a) there will be included in EBITDA for any relevant  period,  on a
pro forma basis  (adjusted to give effect to expenses that will not be ongoing),
the net income (and the additions and  subtractions  thereto  referred to above)
for such period of any Person (or assets)  acquired  after the  commencement  of
such period in connection with any acquisition not prohibited hereunder or under
the Credit Agreement where the aggregate  amount of  consideration  paid is more
than $500,000.  The net income (and the related  additions and  subtractions) of
the Person or assets acquired pursuant to such acquisition for such period shall
be  calculated  by reference to the most recent  available  quarterly  financial
statement of the acquired business, annualized.

                  "Excluded   Subsidiary"  shall  mean  any  Subsidiary  of  the
Guarantor  principally  engaged in the  records  management  business  domiciled
(within the meaning of the Code) outside the United States.

                  "Fixed  Charges"  shall  mean  for any  period  the sum of (i)
Scheduled  Amortization  for such  period  plus (ii)  Interest  Expense for such
period plus (iii) the aggregate amount of 



<PAGE>
                                       17

Maintenance Capital  Expenditures for such period plus (iv) the aggregate amount
of  non-compete  expenses  for such  period to the  extent  not  capitalized  in
accordance with GAAP.

                  "Foreign  Leverage Ratio" has the meaning set forth in Section
10(a)(i)(B)(ii) hereof.

                  "Funded  Indebtedness"  shall mean, without  duplication,  (a)
Indebtedness  that matures or otherwise becomes due more than one year after the
incurrence thereof or is extendible,  renewable or refundable,  at the option of
the  obligor,  to a date  more  than  one  year  after  the  incurrence  thereof
(including the current portion thereof) and (b) Indebtedness  outstanding  under
the Credit Agreement.

                  "GAAP" shall mean generally accepted accounting  principles as
in effect from time to time consistently applied.

                  "Guaranty" by any Person means any  obligation,  contingent or
otherwise,  of such Person directly or indirectly  guaranteeing any Indebtedness
of any other Person and, without  limiting the generality of the foregoing,  any
obligation,  direct or indirect,  contingent or otherwise, of such Person (i) to
purchase or pay (or advance or supply funds for the purchase or payment of) such
Indebtedness  (whether  arising  by  virtue  of  partnership  arrangements,   by
agreement to keep-well,  to purchase assets,  goods,  securities or services, to
take-or-pay,  or to maintain financial statement conditions or otherwise,  other
than  agreements  to purchase  goods at an arm's  length  price in the  ordinary
course of  business)  or (ii)  entered  into for the  purpose of assuring in any
other  manner  the  holder of such  Indebtedness  of the  payment  thereof or to
protect  such  holder  against  loss in respect  thereof  (in whole or in part),
provided that the term Guaranty shall not include endorsements for collection or
deposit in the ordinary course of business.  The term "Guarantee" used as a verb
has a corresponding meaning.

                  "Indebtedness"  shall  mean,  as  to  any  Person  (determined
without duplication):
<PAGE>
                                       18

                  (i) indebtedness of such Person for borrowed money (whether by
         loan or the issuance and sale of debt  securities)  or for the deferred
         purchase  or  acquisition  price of  property  or  services  (including
         amounts  payable  under  agreements  not to compete  and other  similar
         arrangements),  other than  accounts  payable  (other than for borrowed
         money) incurred in the ordinary course of business and accrued expenses
         incurred in the ordinary course of business;

                  (ii)  obligations  of such  Person in  respect  of  letters of
         credit or similar  instruments  issued or  accepted  by banks and other
         financial institutions for the account of such Person;

                  (iii)    Capital Lease Obligations of such Person;

                  (iv)  obligations of such Person to redeem or otherwise retire
         shares of Capital Stock of such Person;

                  (v)  indebtedness  of others of the type  described in clauses
         (i)  through  (iv)  above  secured  by a Lien on the  property  of such
         Person,  whether or not the  respective  obligation so secured has been
         assumed by such Person; and

                  (vi)  indebtedness  of others of the type  described in clause
         (i) through (v) above Guaranteed by such Person.

Notwithstanding  anything  to  the  contrary  contained  in  clause  (i)  of the
preceding  sentence,  indebtedness  of any Person in respect of amounts  payable
under an  agreement  not to compete  shall be the amount  carried on the balance
sheet of such Person in respect of such agreement in accordance with GAAP.


<PAGE>
                                       19

                  "Interest  Expense"  shall  mean,  for  any  period,  the  sum
(determined  without  duplication) of the aggregate amount of interest  accruing
during such period on  Indebtedness  of  Guarantor  and its  Subsidiaries  (on a
consolidated  basis),  including the interest  portion of payments under Capital
Lease Obligations and any capitalized  interest,  and excluding  amortization of
debt discount and expense and interest paid in kind.

                  "Large Volume Account Capitalized Expenditures" shall mean any
expenditures  incurred by Guarantor or its  Subsidiaries  in connection with new
customers  initially  storing with  Guarantor or its  Subsidiaries  in excess of
10,000 boxes, to the extent that such expenditures are capitalized in accordance
with GAAP.

                  "Lender"  shall have the meaning  assigned to such term in the
Credit Agreement.

                  "Leverage   Ratio"  has  the  meaning  set  forth  in  Section
10(a)(i)(A)(ii) hereof.

                  "Lien" shall mean,  with respect to any asset,  any  mortgage,
lien, pledge, charge, security interest or encumbrance of any kind in respect of
such asset.  For the purposes of this  paragraph  10,  Guarantor and each of its
Subsidiaries  shall be deemed to own  subject  to a Lien any asset  which it has
acquired  or holds  subject  to the  interest  of a vendor or  lessor  under any
conditional  sale agreement,  capital lease or other title  retention  agreement
relating to such asset.

                  "Liquid Investments" shall mean:

                  (i)  certificates  of deposit  maturing  within 90 days of the
         acquisition  thereof  denominated in Dollars and issued by (X) a Lender
         or (Y) a bank or trust company having  combined  capital and surplus of
         at least $500,000,000 and which has (or which is a Subsidiary of a bank
         holding company which has) publicly  traded debt securities  rated A or
         higher  by  Standard  & Poor's  Ratings  Services  or A-2 or  higher by
         Moody's Investors Service, Inc.;




<PAGE>

                                       20

                  (ii) repurchase obligations with a term of nor more than seven
         days for  underlying  securities  of the types  described in clause (i)
         above entered into with (x) any Lender or (y) any bank or trust company
         meeting the qualifications specified in clause (i)(Y) above;

                  (iii) obligations issued or guaranteed by the United States of
         America,  with  maturities  not more  than one year  after  the date of
         issue;

                  (iv) commercial paper with maturities of not more than 90 days
         and a publishing rating of not less than A-2 and P-2 (or the equivalent
         rating); and

                  (v)  investments  in money market funds  substantially  all of
         whose assets are comprised of securities  and other  obligations of the
         types described in clauses (i) through (iv) above.

                  "Maintenance   Capital   Expenditures"   shall  mean   Capital
Expenditures required to maintain,  reconfigure,  or replace existing assets (as
distinguished from Capital Expenditures  relating to growth and as distinguished
from Additional  Expenditures),  as certified  consistent with the provisions of
Section 9.01(i) of the Credit Agreement.

                  "Permitted  Acquisition"  has the meaning set forth in Section
9.12 of the Credit Agreement.

                  "Permitted  Indebtedness"  shall have the meaning  assigned to
such term in the Credit Agreement.

                  "Permitted Investment" shall have the meaning assigned to such
term in the Credit Agreement.


<PAGE>

                                       21


                  "Person" shall mean an individual, a corporation, a company, a
voluntary association,  a partnership,  a limited liability company, a trust, an
unincorporated  organization of a government or any agency,  instrumentality  or
political subdivision thereof.

                  "Pond Joint  Venture"  shall mean  Britannia  Data  Management
Limited,  an English company, a majority of the shares of Capital Stock of which
(immediately  after giving effect to the Pond  Transaction) will be owned by the
Guarantor or a Subsidiary of the Guarantor.

                  "Pond  Transaction"  shall  mean (i) the  contribution  by the
Guarantor or a Subsidiary  of the Guarantor to the Pond Joint Venture of Capital
Stock  of  Arcus  UK  having  a fair  market  value  of up to but not  exceeding
(pound)2,000,000  and (ii) the purchase by the  Guarantor or a Subsidiary of the
Guarantor  of  Capital  Stock  of  the  Pond  Joint  Venture  for  an  aggregate
consideration of up to but not exceeding (pound)37,250,000.

                  "Property" shall have the meaning assigned to such term in the
Credit Agreement.

                  "Qualifying   Sale-Leaseback   Transaction"   shall  mean  any
arrangement  by  which  Guarantor  or any of its  Subsidiaries  enters  into  an
arrangement  with any  bank,  insurance  company  or other  lender  or  investor
providing  for the  leasing to  Guarantor  or a  Subsidiary  thereof of any real
property  which has been or is to be sold or  transferred  by  Guarantor or such
Subsidiary  to such  lender or investor or to any Person to whom funds have been
or are to be advanced by such lender or investor and where the real  property in
question has been constructed after September 26, 1997.

                  "Scheduled  Amortization"  shall mean, for any period, the sum
(calculated without duplication) of all payments of principal of Indebtedness of
Guarantor (other than Indebtedness  under the Credit Agreement)  scheduled to be
made during such period.


<PAGE>


                                       22

                  "Security  Documents"  shall have the meaning assigned to such
term in the Credit Agreement.

                  "Stock   Consideration"   shall  mean,  with  respect  to  any
Acquisition,  the aggregate  amount of  consideration  paid by Guarantor and its
Subsidiaries in connection  therewith  consisting of Guarantor's common stock or
with proceeds of the issuance of  Guarantor's  common stock within twelve months
prior to the date of such Acquisition.  For purposes hereof, the amount of Stock
Consideration  paid by Guarantor in respect of any  Acquisition  where the Stock
Consideration  consists of Guarantor's  common stock shall be deemed to be equal
to the fair market value of Guarantor's common stock so paid, determined in good
faith by Guarantor at the time of such Acquisition.

                  "Subsidiary"  shall  mean,  with  respect to any  Person,  any
corporation,  partnership, limited liability company or other entity of which at
least a majority of the securities or other  ownership  interests  having by the
terms  thereof  ordinary  voting  power  to  elect a  majority  of the  board of
directors or other persons  performing  similar  functions of such  corporation,
partnership,  limited liability company or other entity (irrespective of whether
or not at the time securities or other ownership interests of any other class or
classes of such  corporation,  partnership,  limited  liability company or other
entity shall have or might have voting  power by reason of the  happening of any
contingency)  is at the time directly or indirectly  owned or controlled by such
Person or one or more  Subsidiaries  of such Person or by such Person and one or
more Subsidiaries of such Person.

                  (d)(x)  Guarantor shall not merge into or consolidate with any
other Person or sell,  transfer,  lease or otherwise convey all or substantially
all its assets as an entirety;  provided that, so long as no Default or Event of
Default shall have occurred and be  continuing  or would result  therefrom,  the
Guarantor  may merge with  another  Person so long as (i) the  Guarantor  is the
surviving entity, and (ii) after giving effect to such merger, the Guarantor, as
the surviving entity,  would have a tangible net worth (as hereinafter  defined)
equal to or greater than  Guarantor's  tangible net worth  immediately  prior to
such merger.
<PAGE>
                                       23

                  (y)  Guarantor  shall not  permit any of its  Subsidiaries  to
merge into or  consolidate  with any other  Person or sell,  transfer,  lease or
otherwise convey all or substantially all their assets as an entirety;  provided
(a)  Lessee  may  merge  into or  consolidate  with any  other  Person  or sell,
transfer,  lease or otherwise convey all or  substantially  all its assets as an
entirety  in  accordance  with  Article  15 of the  Lease  and (b) so long as no
Default  or Event of Default  shall have  occurred  and be  continuing  or would
result therefrom, that any Subsidiary may (A) sell, transfer, lease or otherwise
convey all or  substantially  all of its assets to the  Guarantor  or any Person
that is, or  becomes,  a  Subsidiary  of the  Guarantor  or (B)  merge  into the
Guarantor or any of its Subsidiaries, and any Subsidiary (other than Lessee) may
merge into another Person if, contemporaneously therewith, such Person becomes a
Subsidiary of the Guarantor.

                  (z) The  Guarantor  shall not, and shall not permit any of its
Subsidiaries  to,  issue or sell  any  stock  of any  Subsidiary  that is not an
Excluded Subsidiary to any Person or Persons, other than to the Guarantor or its
Subsidiaries,  except to the extent  otherwise  permitted  by clause (x) of this
subparagraph (d) above.

         "tangible net worth" of the Guarantor means, at any date, the excess of
the  consolidated  total assets of Guarantor and its  Subsidiaries  at such date
over the  consolidated  total  liabilities of Guarantor and its  Subsidiaries at
such date,  and less the sum at such date of : (i) all goodwill,  organizational
expenses,   research  and  development   expenses,   trademarks,   trade  names,
copyrights,  patents,  patent applications,  licenses and rights in any thereof,
and other similar  intangibles,  (ii) all reserves carried and not deducted from
assets,   (iii)   securities  which  are  not  readily   marketable,   (iv)  any
subscriptions  receivable  and (v) any items not included in clauses (i) through
(iii) above,  which are treated as intangibles  in conformity  with GAAP, all of
the foregoing as determined  for any such date as of the end of the  immediately
preceding fiscal quarter in accordance with GAAP.
<PAGE>
                                       24

         (e)  Guarantor  shall at all times during the Term of the Lease carry a
footnote on its financial statements required by paragraph 9 hereof referring to
the transactions  contemplated by the Operative Documents, in the form agreed to
on the date hereof.

         (f) Unless otherwise specified herein, all accounting terms used herein
shall be  interpreted,  all  determinations  with respect to accounting  matters
hereunder  shall be made,  and all financial  statements  and  certificates  and
reports as to  financial  matters  required to be delivered  hereunder  shall be
prepared,  in accordance with GAAP; provided that if any change in GAAP proposed
after the date  hereof in  itself  materially  affects  the  calculation  of any
financial  covenant in this paragraph 10 (or incorporated by reference  herein),
the  Guarantor  may by notice to the Owner and Agent Bank, or the Owner or Agent
Bank may by notice to the  Guarantor,  require that such covenant  thereafter be
calculated in accordance  with GAAP as in effect,  and applied by the Guarantor,
immediately before such change in GAAP occurs.

         11.  Guarantor will permit Owner and the  Indemnified  Parties to visit
the offices of  Guarantor  at its  address  set forth  herein and to examine its
records and books of account and to discuss its  affairs,  finances and accounts
with its officers  upon  reasonable  notice at such  reasonable  times as may be
requested by Owner or such  Indemnified  Party or any assignee of Owner's rights
hereunder.

         12. Guarantor  understands and  acknowledges  that Owner may enter into
one or more financings to finance the Costs of the Properties  pursuant to which
Owner will encumber its interest in the Properties.  In connection with any such
financing,  Guarantor  understands  and  acknowledges  that Owner may assign its
rights in and to this Guaranty and Guarantor  hereby agrees that:  (i) Owner may
assign its rights hereunder in connection therewith; (ii) in connection with any
such assignment by Owner,  Guarantor will consent in writing thereto;  and (iii)
from and after such assignment, the rights and benefits of Owner hereunder shall
inure to the benefit of, and be exercisable by any assignee,  pursuant to and in
accordance with the terms of such assignment.
<PAGE>
                                       25

         13.  Guarantor agrees that at any time and from time to time so long as
this Guaranty is in effect, it will promptly, but in no event later than 15 days
after request by Owner, execute,  acknowledge and deliver to Owner a certificate
stating:  (i) that this Guaranty is unmodified  and in full force and effect (or
if there have been modifications, that this Guaranty is in full force and effect
as modified, and identifying such modification agreements);  (ii) whether or not
there is an existing Event of Default  hereunder and, if there is any such Event
of Default,  specifying the nature and extent thereof;  and (iii) whether or not
there are any setoffs,  defenses or  counterclaims  against  enforcement  of the
obligations to be performed hereunder existing in favor of Guarantor.  Guarantor
further  agrees that it will upon five day's prior notice from Owner execute and
deliver to Owner's mortgagee a certificate stating the above.

         14. Guarantor represents and warrants that:

                  (a)      Guarantor  (i) is a  corporation  duly  organized and
                           validly  existing  under  the  laws of the  State  of
                           Delaware,  and (ii) has all requisite legal power and
                           authority to enter into this Guaranty, to perform and
                           observe the terms and conditions  hereof, and has all
                           requisite  legal  power  and  authority  to  own  its
                           properties  and  conduct its  business  as  currently
                           conducted  except  for  such  licenses,  permits  and
                           approvals  which  would not,  individually  or in the
                           aggregate,   have  a  material   adverse   effect  on
                           Guarantor's   ability  to  perform   the   Guaranteed
                           Obligations. Guarantor is qualified to do business as
                           a foreign  corporation in all jurisdictions where its
                           ownership  of property or the nature of its  business
                           required such  qualification.  This Guaranty has been
                           duly authorized,  executed and delivered by Guarantor
                           and   constitutes   the  legal,   valid  and  binding
                           obligation by Guarantor enforceable against Guarantor
                           in accordance  with its terms,  except as enforcement
                           may   be   limited   by    bankruptcy,    insolvency,
                           reorganization and other laws of general  application
                           relating  to  or   affecting   the   enforcement   of
                           creditors' rights and general principles of equity.

                  (b)      There are no actions,  suits or  proceedings  pending
                           or, to its actual  knowledge,  threatened  against or
                           affecting  Guarantor  at law or in equity  before any
                           court or administrative  officer or agency an adverse
                           determination in which could,  individually or in the
                           aggregate,   have  a  material   adverse   effect  on
                           Guarantor's   ability  to  perform   the   Guaranteed
                           Obligations.  Guarantor  is not in default (i) in the
                           payment of any taxes levied or assessed against it or
                           its  assets  or (ii)  under  or in  violation  of any
                           statute,  rule, order,  decree,  writ,  injunction or
                           regulation of any  governmental  body  (including any
                           court) except, where the failure to pay such taxes or
                           the existence of such  defaults or violations  would,
<PAGE>
                                       26

                           individually or in the aggregate, not have a material
                           adverse effect on Guarantor's  ability to perform the
                           Guaranteed Obligations.

                  (c)      Guarantor is not a party to any contract or agreement
                           or subject to any restriction or to any order,  rule,
                           regulation,  writ,  injunction or decree of any court
                           or  governmental  authority  or to any  statue  which
                           materially  and  adversely  affects  its  ability  to
                           perform  the  Guaranteed  Obligations.   Neither  the
                           execution,  delivery or  performance  by Guarantor of
                           this   Guaranty  nor  its   compliance   herewith  or
                           therewith  (i)  conflicts  or will  conflict  with or
                           results or will result in a breach of or  constitutes
                           or will  constitute  a  default  under (A) any law in
                           effect as of the date of delivery  of this  Guaranty,
                           (B) the  articles  of  incorporation  or  by-laws  of
                           Guarantor,  (C) any  agreement or instrument to which
                           Guarantor is a party or by which it is bound,  or (D)
                           any order, writ, injunction or decree of any court or
                           other governmental authority, or (ii) results or will
                           result in the  creation  or  imposition  of any lien,
                           charge  or  encumbrance  upon  Guarantor's   property
                           pursuant to such agreement or instrument.

                  (d)      The execution,  delivery and performance by Guarantor
                           of this  Guaranty do not require (i) any  stockholder
                           approval  or  the  consent  or  approval  of  any  of
                           Guarantor's  creditors  (except as have  already been
                           obtained  in  writing),  or (ii)  any  authorization,
                           consents,  or  approvals,  of  or  filings  with  any
                           governmental     authority,     except    for    such
                           authorization,  consents,  approvals or filings which
                           have been obtained and are in full force and effect.

                  (e)      No event has occurred and is continuing  with respect
                           to Guarantor  which would  constitute a default or an
                           Event of  Default  hereunder.  No default or Event of
                           Default by Agent exists  under the Agency  Agreement.
                           Guarantor  is not in  default  in the  payment of the
                           principal  or  interest  on  any   indebtedness   for
                           borrowed  money  or  for  its  deferred  purchase  of
                           property  or  in  default  under  any  instrument  or
                           agreement   under  and  subject  to  which  any  such
                           indebtedness  has been issued or under any lease,  in
                           any case  involving the  likelihood of any actions or
                           proceedings  against it which  would  materially  and
                           adversely affect Guarantor or its ability to
                           perform under this Guaranty.

                  (f)      Guarantor is in compliance  in all material  respects
                           with  all  applicable   provisions  of  the  Employee
                           Retirement  Income  Security Act of 1974,  as amended
                           (ERISA),    and   the   regulations   and   published
                           interpretations thereunder. No "reportable event", as
                           such term is defined in  Section  4043 of ERISA,  has
                           occurred with respect to any employee pension benefit
                           plan (as  defined in ERISA),  and  Guarantor  has not
                           incurred, nor does it reasonably expect to incur, any
                           liability to the Pension Benefit Guaranty 

<PAGE>
                                       27


                           Corporation  under  Section  44062 of ERISA or to any
                           multiemployer   plan  (as  defined  in  ERISA)  under
                           Section 4201 of ERISA. Guarantor has not incurred any
                           accumulated  funding deficiency within the meaning of
                           Section  302 of ERISA nor is it  subject  to any lien
                           arising   under  Section  307  of  ERISA  or  Section
                           401(a)(29) or 412(n) of the Internal  Revenue Code of
                           1986, as amended.

                  (g)      Guarantor's assets are not less than its liabilities,
                           both   determined  in  accordance   with  GAAP,   and
                           Guarantor is solvent.  The transactions  contemplated
                           by this Guaranty are in  furtherance  of  Guarantor's
                           ordinary  business purposes and in furtherance of its
                           corporate   purposes   with   no   contemplation   of
                           insolvency  and with no  intent to  hinder,  delay or
                           defraud  any  of its  present  or  future  creditors.
                           Neither  before  nor as a result of the  transactions
                           contemplated by this Guaranty will Guarantor be or be
                           rendered  insolvent  or  have an  unreasonably  small
                           capital  for  the  conduct  of its  business  and the
                           payment of its anticipated  obligations.  Guarantor's
                           assets  and cash flow  enable it to meet its  present
                           obligations  in the  ordinary  course of  business as
                           they become due, and Guarantor  does not believe that
                           it will incur  debts  beyond its  ability to pay such
                           debts.

                  (h)      Neither (i) the consolidated financial statements for
                           Guarantor's  fiscal year ending in December 31, 1997,
                           (ii) this Guaranty,  nor (iii) any written  statement
                           furnished  by  Guarantor  in   connection   with  the
                           transactions contemplated by the Operative Documents,
                           contains any untrue  statement of a material  fact or
                           omits  a  material   fact   necessary   to  make  the
                           statements contained therein not misleading. There is
                           no fact  applicable to Guarantor  which Guarantor has
                           not  disclosed in writing  which  materially  affects
                           adversely nor so far as Guarantor can now  reasonably
                           foresee  will   materially   affect   adversely   the
                           properties, business, prospects, profits or condition
                           (financial  or  otherwise)  of  Guarantor.  Guarantor
                           represents that the consolidated financial statements
                           specified  above (i) fairly  present in all  material
                           respects the financial  condition of Guarantor on the
                           dates for which,  and the  results of its  operations
                           for  the  periods  for  which,  the  same  have  been
                           furnished,  and (ii) have been prepared in accordance
                           with GAAP consistently  applied,  except as otherwise
                           disclosed therein.

                  (i)      There  has  been  no  material   adverse   change  in
                           Guarantor's  business or  financial  condition  since
                           December 31, 1997 that  individually or the aggregate
                           would adversely affect Guarantor's ability to perform
                           the Guaranteed Obligations.

         15. All agreements,  representations and warranties contained herein or
made in writing by Guarantor  shall  survive the  execution and delivery of this
Guaranty.

<PAGE>

                                       28

         16. This Guaranty  shall be binding upon,  and inure to the benefit of,
the parties hereto and their respective successors and assigns.

         17. This Guaranty  shall be construed and enforced in accordance  with,
and governed by, the laws of the  Commonwealth of  Massachusetts.  In connection
with this Guaranty and the transactions contemplated by the Operative Documents,
Guarantor hereby agrees to the non-exclusive  personal jurisdiction of and venue
in the state courts of the Commonwealth of Massachusetts,  and the United States
District Courts located in the Commonwealth of Massachusetts.

         18. Any provision of this Guaranty which is prohibited or unenforceable
in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent
of such  prohibition  or  unenforceability  without  invalidating  the remaining
provisions  hereof,  and  any  such  prohibition  or   unenforceability  in  any
jurisdiction shall not invalidate or render  unenforceable such provision in any
other jurisdiction.
                
         19. Any notice to be given  under this  Guaranty  shall be given in the
manner provided in the Lease, addressed to Guarantor or Owner at its address set
forth at the beginning of this  Guaranty,  or as either such party may otherwise
provide by notice to the other party.

         20. As to any Leased Property located in Louisiana, the following shall
apply: Owner shall mean and include both Iron Mountain Statutory Trust - 1998, a
Connecticut  statutory  trust  having an address as stated above and First Union
National Bank as trustee of the Iron Mountain  Statutory  Trust - 1998 Louisiana
Subtrust,  such subtrust being referred hereinafter as the "Louisiana Subtrust".
All  references  hereunder to the Owner shall be deemed to include the Louisiana
Subtrust as applicable.


                                       ***


<PAGE>


                                       29


         IN WITNESS WHEREOF, Guarantor has caused this Unconditional Guaranty to
be executed under seal and delivered as of the day and year first above written.

ATTEST:                               IRON MOUNTAIN INCORPORATED
(Seal)

By: /s/ Garry B. Watzke             By:  /s/ John P. Lawrence               
   Name: Garry B. Watzke                 Name:  John P. Lawrence
   Title: Assistant Secretary            Title:  Vice President and Treasurer
       (Affix Corporate Seal)



                                                                   Exhibit 10.22














                              AMENDED AND RESTATED

                                AGENCY AGREEMENT


                                 by and between

                      IRON MOUNTAIN STATUTORY TRUST - 1998
                                       and

                     IRON MOUNTAIN RECORDS MANAGEMENT, INC.



                           Dated as of October 1, 1998


<PAGE>
<TABLE>
<CAPTION>

                                TABLE OF CONTENTS

                                                                                                               PAGE

<S>                <C>                                                                                           <C>

PRELIMINARY STATEMENT.............................................................................................1

ARTICLE 1           DEFINED TERMS.................................................................................2

ARTICLE 2           AGENCY........................................................................................2
    2.1             Appointment...................................................................................2
    2.2             Payment for Costs of the Properties...........................................................2
    2.3             Other Payments................................................................................2
    2.4             Suits and Actions.............................................................................3
           
ARTICLE 3           OWNER'S ADVANCES AND REIMBURSEMENTS...........................................................3
    3.1             Owner's Obligations...........................................................................3
    3.2             Advances......................................................................................4
    3.3             Owner's Cooperation...........................................................................5
          
ARTICLE 4           INITIAL CLOSING, DESIGNATION OF ADDITIONAL PROPERTIES
                    BY AGENT, AND ADDITIONAL CLOSINGS.............................................................5
    4.1             Initial Closing...............................................................................5
    4.2             Designation of Additional Properties..........................................................5
    4.3             Limits on Acquisition of Existing Facilities and New Facilities.  ............................6
    4.4             Additional Closings...........................................................................7
    4.5             Loan Financing................................................................................7
        
ARTICLE 5           CONDITIONS OF OWNER'S OBLIGATIONS.............................................................8
    5.1             Conditions to the Closings....................................................................8
    5.1.1           Operative Documents...........................................................................8
    5.1.2           Taxes.........................................................................................9
    5.1.3           Status of Title...............................................................................9
    5.1.4           Title Insurance...............................................................................9
    5.1.5           Survey; Zoning................................................................................9
    5.1.6           Opinions of Counsel..........................................................................10
    5.1.7           Certificates.................................................................................10
    5.1.8           Legal Restrictions...........................................................................10
    5.1.9           No Adverse Change............................................................................10
    5.1.10          Environmental Reports........................................................................10
    5.1.11          Evidence of Insurance........................................................................11
    5.1.12          Closing of Loans and Equity Investment.......................................................11
    5.1.13          Proceedings and Documents....................................................................11
    5.1.14          Fees and Expenses............................................................................11
    5.1.15          Requisition..................................................................................12
              


<PAGE>


                                     - ii -

     5.1.16         Appraisals...................................................................................12
     5.1.17         Other Requirements...........................................................................12
              
ARTICLE 6           CONDITIONS OF AGENT'S OBLIGATIONS AT CLOSINGS................................................12
    6.1             Operative Documents..........................................................................12
    6.2             Opinions of Counsel..........................................................................13
    6.3             Certificates.................................................................................13
    6.4             Legal Restrictions...........................................................................13
    6.5             Equity Investment............................................................................13
              
ARTICLE 7           REPRESENTATIONS AND WARRANTIES OF AGENT......................................................13
     7.1            Organization and Power.......................................................................13
     7.2            Full Disclosure..............................................................................14
     7.3            Litigation...................................................................................14
     7.4            No Adverse Change............................................................................14
     7.5            No Defaults..................................................................................14
     7.6            No Violation.................................................................................14
     7.7            Agreements are Legal and Authorized..........................................................15
     7.8            Insurance....................................................................................15
     7.9            Consents.....................................................................................15
     7.10           Approvals....................................................................................15
     7.11           Compliance; Taxes............................................................................15
     7.12           Use of Advances..............................................................................16
     7.13           Lease........................................................................................16
     7.14           Use..........................................................................................16
     7.15           ERISA........................................................................................16
     7.16           Property Related Information.................................................................16
     7.17           Location of Office and Records...............................................................16
     7.18           Brokers......................................................................................16
             
ARTICLE 8           REPRESENTATIONS AND WARRANTIES OF OWNER......................................................17
    8.1             Organization and Power.......................................................................17
    8.2             Agreements Legal and Authorized. ............................................................17
    8.3             Litigation...................................................................................17
    8.4             No Violation.................................................................................17
    8.5             Consents.....................................................................................18
              
ARTICLE 9           DEFAULTS AND REMEDIES........................................................................18
    9.1             Events of Default............................................................................18
    9.2             Remedies.....................................................................................19
    9.3             Costs of Enforcement.........................................................................19
    9.4             Cumulative Remedies..........................................................................20
           



<PAGE>


                                     - iii -

ARTICLE 10          MISCELLANEOUS................................................................................20
   10.1             Governing Law; Jurisdiction and Venue........................................................20
   10.2             Notices; Modification; Waiver................................................................20
   10.3             Illegal Provision............................................................................20
   10.4             Binding Effect; Third Party Beneficiary......................................................21
   10.5             Counterparts.................................................................................21
   10.6             Headings.....................................................................................21
   10.7             Reproduction of Documents....................................................................21
   10.8             Time of Essence..............................................................................21
   10.9             Payment of Expenses..........................................................................21
   10.10            Advisory Fee.................................................................................22
   10.11            Limitations on Liability.....................................................................22
   10.12            Conveyance of Houston Parcel.................................................................23
   10.13            Louisiana Provisions.........................................................................23
              
</TABLE>

Appendix I        Definitions

Schedule A        Land Parcels

Schedule 4.1      Existing Facilities



<PAGE>

         This AMENDED AND RESTATED AGENCY  AGREEMENT,  is dated as of October 1,
1998 (this  Agreement),  by and between IRON MOUNTAIN  STATUTORY TRUST - 1998, a
Connecticut  statutory trust (together with its successors and assigns,  Owner),
and IRON MOUNTAIN RECORDS  MANAGEMENT,  INC., a Delaware  corporation  (together
with its successors and assigns,  Agent).  This Agreement  amends,  restates and
supersedes in its entirety that certain Agency Agreement between Owner and Agent
dated as of August 6, 1998, as amended by the  Supplement and Amendment No. 1 to
Agency Agreement dated as of October 1, 1998.

                              PRELIMINARY STATEMENT

         Agent has accepted the Lease  Proposal made by Placement  Agent for the
lease  financing of  Properties  consisting  of  approximately  seventeen new or
existing  warehouse  storage  facilities to be located in several states.  As of
August 6, 1998, Agent arranged for the Owner to acquire two Land Parcels, one in
San Antonio, Texas and one in Houston, Texas ("Houston Parcel") and the Existing
Improvements  on the San Antonio Land Parcel  ('San  Antonio  Facility")  and to
maintain and/or operate the Land Parcels as agent for Owner. On such date, Agent
caused the Land  Parcels and the Existing  Improvements  to be conveyed to Owner
pursuant to the  Conveyance  Documents.  On October 1, 1998,  Agent arranged for
Owner to acquire the Land Parcel and the Existing  Improvements  thereon located
in Harahan,  Louisiana. Prior to the date hereof, Owner conveyed the San Antonio
Facility  to Agent.  Agent,  as agent for  Owner,  desires  from time to time to
acquire the Existing  Facilities  and the New  Facilities  in each case,  as set
forth in Article 4 below. Upon acquisition by Owner of the Existing  Facilities,
and any New  Facilities,  Owner  will lease  each Land  Parcel and the  Existing
Improvements thereon to Agent pursuant to the Lease. Owner will appoint Agent as
its agent to undertake the  acquisition  of the Existing  Facilities and the New
Facilities and will own the Improvements  for all Properties.  For each Existing
Facility and New Facility,  Agent will pay for or cause to be paid, the Costs of
the Property with the payments made and to be made by Owner  pursuant to Article
III hereof and, to the extent  required in this  Agreement,  with its own funds.
Pursuant  to the  Loan  Agreement,  Owner  will  borrow  up to 97% of the  funds
necessary to make such payments. In connection therewith, and in order to induce
the  Lenders  to  enter  into  the loan  transactions  contemplated  by the Loan
Agreement,  Owner is entering into the Loan Agreement,  granting a first deed of
trust or mortgage on each  Property to Agent Bank for the benefit of the Lenders
and  assigning  its rights under the Lease,  this  Agreement and the Guaranty to
Agent Bank for the benefit of the Lenders.  Owner will provide the  remaining 3%
of the required  funds in the form of the Equity  Investment.  Beneficiary  will
deliver to the Bank,  as Trustee under the Owner Trust  Agreement,  funds in the
amount of the Equity  Investment,  to be applied as provided herein and therein.
The obligations of Agent hereunder are  unconditionally  guaranteed by Guarantor
pursuant to the Guaranty.




<PAGE>
                                      - 2 -

                                    ARTICLE 1

                                  DEFINED TERMS

         Capitalized terms used in this Agreement and not otherwise defined have
the meanings set forth in Appendix I.


                                    ARTICLE 2

                                     AGENCY

         2.1 Appointment. Solely for the limited purposes hereinafter set forth,
Owner  hereby  designates  Agent as its agent,  and Agent  hereby  accepts  such
appointment, to acquire the Properties strictly in accordance with the terms and
conditions of this  Agreement and the other  Operative  Documents,  to pay (with
funds  borrowed or provided by Owner) all Costs of the Property  with respect to
each Property, and to cause title to the same to vest in Owner. Agent shall have
no  authority  to act for or on  behalf  of Owner  except  with  respect  to the
acquisition of the Properties. The acceptance by Agent on behalf of Owner of any
property or any contractual obligation with respect to which Agent does not have
authority  to act on behalf of Owner as  described  in this  Agreement  shall be
ineffective,  ab  initio,  to  create  in or  transfer  to  Owner  any  legal or
beneficial  right or interest in such property or any contractual  obligation or
to impose on Owner any  liability,  obligation  or  responsibility  with respect
thereto.  Agent shall cause any agreement,  contract,  purchase  order, or other
writing  purporting  to be  binding  upon  Owner to refer to Agent as agent  for
Owner. The authority of Agent hereunder shall terminate on the earliest to occur
of (i) the New Facility  Acquisition  Outside Date,  (ii) the acquisition of all
New Facilities and (iii) notice by Owner to Agent of such termination  after the
occurrence and  continuance of an Event of Default.  The  termination of Agent's
authority  hereunder  shall  not  discharge  Agent or  limit in any way  Agent's
liability  hereunder with respect to  obligations  arising out of this Agreement
and  Agent's  performance  hereunder  prior to the date of such  termination  of
Agent's  authority  including,  without  limitation,  with  respect  to  Agent's
indemnification  of the  Indemnified  Parties  pursuant to Section  2.3, or with
respect to Agent's obligations under Article 10.

         2.2 Payment for Costs of the Properties. Agent shall pay or cause to be
paid the Cost of the Properties  using (a) the proceeds of the Initial  Advance,
(b) the  proceeds  of  Additional  Advances  and (c) its own funds to the extent
required under Article 10(d) of the Lease.

         2.3 Other Payments.  Notwithstanding  the agency created hereby, and in
addition to all other indemnities  contained herein or in the Lease, Agent shall
indemnify and defend the  Indemnified  Parties (with counsel  selected by Agent,
reasonably approved by such Indemnified Parties, and paid for by Agent) and hold
the Indemnified  Parties harmless from any and all claims arising out of Agent's
actions or omissions on behalf of Owner whether with or without

<PAGE>
                                      - 3 -

authority  hereunder,  except  anything  resulting from the gross  negligence or
wilful misconduct of any such Indemnified Party.

         2.4 Suits and Actions.  If in the performance of its obligations  under
this  Agreement,  Agent  suffers  any loss or  damage or  otherwise  has a claim
against any third party with respect to any Property,  Agent may bring  lawsuits
or other actions in its own name or in Owner's name, as appropriate,  and in any
case at Agent's sole cost and expense, subject to the following conditions:

         (a) Agent may control such action  unless at any time Owner  determines
in its  reasonable  judgment  that  control of such action by Agent could have a
material  adverse impact on or material risk to Owner, in which case Owner shall
have the right to control such action.

         (b) Agent shall have agreed to pay Owner on demand all reasonable costs
and expenses that Owner actually incurs in connection with such action.

         (c) No Event of  Default  shall  have  occurred  and  shall  have  been
continuing.

         Owner  shall  cooperate  with  Agent with  respect  to any such  action
controlled by Agent, and Agent shall consult with Owner regarding the conduct of
such action, including keeping Owner reasonably informed of the progress of such
action,  allowing  Owner to  receive  and  comment on  written  submissions  and
considering in good faith Owner's suggestions regarding such action.  Subject to
satisfaction  of the  foregoing  conditions,  including  payment by Agent of any
indemnity payments to Owner or any other Indemnified Party, the damages or other
proceeds of any such action shall be payable to Agent.


                                    ARTICLE 3

                       OWNER'S ADVANCES AND REIMBURSEMENTS

         3.1 Owner's  Obligations.  Subject to the terms and  conditions  of the
Loan Agreement and of this Agreement,  including  satisfaction of the applicable
conditions set forth in Articles 4 and 5 hereof, Owner agrees to pay or cause to
be paid the Costs of the  Properties to Agent or to Persons  designated by Agent
in writing.  Owner shall make (i) the Initial Advance solely out of the proceeds
to Owner of the initial  Equity  Investment and the proceeds of any Loans at the
Initial Closing and (ii) any Additional  Advances on account of the Costs of the
Properties from time to time solely out of advances  available to Owner from the
proceeds of the Loans and any Additional Equity Investment, in each case subject
to the terms and  conditions of this Agreement and the Loan  Agreement.  Nothing
contained in this  Agreement  shall in any way obligate Owner to pay any debt or
meet any financial  obligation under this Agreement or otherwise with respect to
Costs of the Properties,  except from monies actually received by Owner from the
sources specified in this Section 3.1.

<PAGE>

                                      - 4 -

         3.2 Advances.  (a) Subject to the terms and conditions  hereof,  on the
Initial Closing Date, Owner shall make an advance to Agent or designated Persons
on  account  of the  Costs  of  the  Properties  with  respect  to the  Existing
Facilities  acquired  on such Date (the  "Initial  Advance")  from Loans and the
Equity  Investment  upon  a  Requisition   therefor   delivered  in  substantial
accordance with the provisions hereof and of the Loan Agreement.

         (b) Subject to the terms and  conditions  of the Loan  Agreement and of
this  Agreement,  and so  long  as no  Event  of  Default  has  occurred  and is
continuing hereunder, Owner shall make an Additional Equity Investment and shall
cause Agent Bank to make additional payments to Agent or designated Persons upon
Agent's written  request from time to time no more  frequently than monthly,  on
account of the Costs of the  Properties  incurred  by Agent with  respect to the
acquisition of New Facilities or Existing  Facilities  after the Initial Closing
Date (each such payment referred to herein as an "Additional  Advance," and such
payments  together with the Initial Advance,  collectively,  "Owner  Advances").
Additional  Advances  shall be made upon  Agent's  delivery of  Requisitions  in
accordance  with the  provisions  of Article 5 hereof and  Article 3 of the Loan
Agreement,  subject to the  satisfaction  of all  conditions to each  Additional
Advance.  Agent shall submit all Requisitions and related materials  directly to
Agent Bank, and any  Requisitions  under the Loan  Agreement  shall serve as the
Requisitions contemplated by this Agreement.

         (c) Each Additional Advance shall be in an amount not to exceed 100% of
the Costs of the Property or Properties being acquired on such Closing Date, but
in any case only out of funds  available to Owner from the proceeds of the Loans
and any Additional Equity Investment.

         (d) The aggregate of all Owner Advances made under this Agreement shall
not exceed (i) the  Existing  Facility  Maximum  Amount with respect to Existing
Facilities,  (ii)  the New  Facility  Maximum  Amount  with  respect  to any New
Facilities, or (iii) the Total Property Cost in the aggregate.  Owner shall make
or cause to be made each Additional  Advance by wire transfer to Agent, at Union
Bank of  California,  ABA No.  122000496,  account in the name of "Iron Mountain
Records  Management,  Inc.",  account  number  1000-132-337,  or to  such  other
accounts  or persons  and in such  manner as Agent may  designate  in writing no
later than four  Banking  Days before the date of any  Additional  Advance.  Any
Additional  Advance that would otherwise be required to be made on a day that is
not a Banking Day shall be made on the next following Banking Day.

         3.3 Owner's  Cooperation.  Owner agrees to cooperate  with Agent in all
reasonable respects,  at Agent's sole cost and expense, in satisfying conditions
precedent to Advances under the Loan Agreement.

<PAGE>
                                      - 5 -


                                    ARTICLE 4

              INITIAL CLOSING, DESIGNATION OF ADDITIONAL PROPERTIES
                        BY AGENT, AND ADDITIONAL CLOSINGS

         4.1      Initial Closing

         Subject  to  compliance  with the  provisions  of this  Agreement,  the
initial  closing of the Loans and the  execution and delivery of the Lease as to
the initial  group of Existing  Facilities  (the "Initial  Closing")  shall take
place at 10:00  a.m.,  Boston  time,  on October 6, 1998 (the  "Initial  Closing
Date"), at the offices of Day, Berry & Howard LLP, 260 Franklin Street,  Boston,
Massachusetts 02110. At the Initial Closing, subject to compliance by Agent with
its obligations  under Article 5 and Owner of its  obligations  under Article 6,
Agent and Owner  shall  enter  into the Lease  with  respect  to those  Existing
Facilities  designated  on Schedule  4.1  attached  hereto which are ready to be
acquired at the Initial Closing, all in accordance with the terms and conditions
set forth herein.

         If,  on  the  Initial  Closing  Date,   Agent  shall  not  perform  its
obligations in accordance with this Agreement or if the conditions  specified in
Article 5 have not been  satisfied  to Owner's  reasonable  satisfaction,  Owner
shall, at its option exercisable on the Initial Closing Date, be relieved of its
obligations  hereunder.  Similarly,  if on the Initial Closing Date, Owner shall
not  perform  its  obligations  in  accordance  with  this  Agreement  or if the
conditions specified in Article 6 with respect to parties other than Agent shall
not have been  satisfied to Agent's  satisfaction,  Agent  shall,  at its option
exercisable on the Initial Closing Date, but subject to Section 10.9 hereof,  be
relieved of its obligations hereunder, except as otherwise provided herein or as
separately  agreed.  Furthermore,  in either of such  events,  to the extent any
documents have been delivered with respect to the Initial Closing, they shall be
returned to the  appropriate  parties and to the extent any documents  have been
recorded, they shall be released of record.

         4.2  Designation  of  Additional  Properties.  In  addition to Existing
Facilities,  Owner and Agent  anticipate  that Agent will  designate  additional
warehouse  storage  facilities as New Facilities  hereunder.  To the extent that
Agent  desires to so designate  any such  additional  New Facility  ("Additional
Property"),  Agent  shall  provide  Owner and Agent Bank with 15  Business  Days
advance written notice ("Additional Property Designation Notice") thereof, which
notice shall be attached to the Requisition and shall include the following:

         (a) each  Additional  Property  Designation  Notice  shall  include the
following:

                  (i) a  detailed  description  of  any  Existing  Improvements,
including the type of structure,  the square  footage,  the number of floors and
the size of the Land Parcel,

                  (ii) a  detailed  estimate  of  the  applicable  Costs  of the
Property with respect to such New Facility, and

<PAGE>

                                      - 6 -

                  (iii) an  Appraisal  (which  Appraisal  shall  assume that any
Completion  Improvements  have been timely  completed  by the  Completion  Date)
reasonably acceptable to Owner and Agent Bank.

         (b) to the  extent  that such  proposed  Additional  Property  includes
Completion Improvements,  such Additional Property Designation Notice shall also
include the following:

                  (i) a complete set of plans and specifications  describing any
proposed Completion Improvements,

                  (ii) a detailed budget  estimating the applicable Costs of the
Property with respect to such Completion Improvements, and

                  (iii) a firm date for achievement of Substantial Completion as
to all Completion  Improvements  for such Property,  not to exceed 180 days from
commencement of construction thereof ("Completion Date").

         (c) No proposed  Additional  Property shall become a Property hereunder
or under the Lease without the prior written consent of Owner, LC Issuer and the
Lenders, which consent shall not be unreasonably withheld or delayed.

         4.3 Limits on Acquisition of Existing Facilities and New Facilities.

         (a) Existing Facilities. Notwithstanding any other provision hereof, in
no event shall Agent be  entitled  to acquire any  Existing  Facility if (i) the
acquisition of such Existing  Facility and the  commencement  of the Basic Lease
Term with  respect  thereto  pursuant  to the  Lease  would  commence  after the
Existing Facility  Acquisition  Outside Date, (ii) the Cost of the Property with
respect to such proposed  Existing Facility would, when combined with the actual
or projected Costs of the Property attributable to all other current or proposed
Existing  Facilities  exceed the Existing  Facility Maximum Amount, or (iii) the
Costs of the Property with respect to such  proposed  Existing  Facility  would,
when combined with the actual or projected Costs of the Property attributable to
all other actual or pending  Existing  Facilities and New Facilities  exceed the
Total Property Cost.

         (b) New Facilities.  Notwithstanding  any other provision  hereof in no
event shall Agent be entitled to  designate  any New  Facility  hereunder if (i)
such  proposed  New  Facility  would not be  acquired  by the earlier of the New
Facility  Acquisition  Outside Date or the New Facility  Acquisition Date likely
(in the  reasonable  judgment of Owner) to be  applicable  to such  proposed New
Facility,  (ii) the Costs of the  Property  attributable  to such  proposed  New
Facility  would,  if combined with the actual or projected Costs of the Property
for all other  existing  or  proposed  New  Facilities  exceed the New  Facility
Maximum Amount, or (iii) the Costs of the Property attributable to such proposed
New Facility  would,  in combination  with the actual or projected  Costs of the
Property attributable to all other existing or proposed New Facilities and

<PAGE>
                                      - 7 -

Existing Facilities cause the total Costs of the Properties attributable thereto
to exceed to the Total Property Cost.

         4.4.  Additional  Closings.  Subject  to  compliance  by Agent with its
obligations  under Article 5 and Owner of its obligations  under Article 6, each
Closing hereunder for any Additional Property designated pursuant to Section 4.2
above or with respect to an Existing  Facility shall be an "Additional  Closing"
for the purposes of this Agreement;  provided, however, that with respect to any
New  Facilities,  the aggregate  Costs of the  Properties to be acquired at such
Additional Closing shall exceed  $4,000,000.  Each Additional Closing shall take
place at the offices of Day, Berry & Howard LLP,  Boston,  Massachusetts on such
dates as may from time to time be designated by Agent (subject to the reasonable
approval of Owner and the Agent Bank), provided that no Additional Closing shall
take place with respect to any  Existing  Facility  after the Existing  Facility
Acquisition  Outside  Date or with  respect  to any New  Facility  after the New
Facility Acquisition Outside Date.

         4.5 Loan Financing.  At the Initial Closing,  Owner will enter into the
Loan Agreement and the other Operative Documents to which it is a party in order
to obtain  financing for Owner  Advances with respect to the New  Facilities and
the Existing  Facilities.  Agent  acknowledges that Owner will assign its rights
under  this  Agreement  to Agent  Bank  pursuant  to the  Assignment,  and Agent
covenants and agrees that it shall perform its obligations  under this Agreement
for the  benefit  of  Agent  Bank in  accordance  with  the  provisions  of such
Assignment.

         Owner and Agent also contemplate that Loans for Existing Facilities and
New Facilities will be obtained by Owner at Additional  Closings pursuant to the
Loan  Agreement,  each  in the  aggregate  principal  amount  of  96.98%  of the
respective  Costs of the  Properties.  Owner  agrees with Agent that it will (i)
forward to Agent copies of all notices received or given by Owner under the Loan
Agreement  and (ii) not agree to or enter into any  consent,  waiver,  approval,
modification  or amendment under the Loan Agreement or any of the Deeds of Trust
without the prior written consent of Agent.


                                    ARTICLE 5

                        CONDITIONS OF OWNER'S OBLIGATIONS

         5.1 Conditions to the Closings.  The obligations of Owner to enter into
the applicable  Operative Documents and amendments with respect to a Closing for
any  Properties,  and to make any Owner  Advances in  connection  therewith  are
subject to (a) the accuracy and correctness as of the applicable Closing Date of
the  representations  and warranties of Agent  contained  herein with respect to
such Property,  (b) the accuracy and  correctness  as of the applicable  Closing
Date  of the  representations  of  Agent  contained  in  each  of the  Operative
Documents and in any other document or certificate  delivered pursuant hereto or
thereto  with  respect to such  Property,  (c) the  performance  by Agent of its
agreements contained herein and to be performed by it on or prior to

<PAGE>

                                      - 8 -

the applicable  Closing Date, and (d) the satisfaction or waiver by Owner of all
of the following conditions:

                  5.1.1  Operative  Documents.  Each of the following  documents
with respect to each Property (herein,  collectively, the "Operative Documents")
shall have been duly authorized,  executed and delivered by the parties thereto,
shall be in full force and effect and no Default or Event of Default shall exist
thereunder, and special counsel to Owner, Agent, Beneficiary,  Agent Bank and LC
Issuer  shall each have  received  on  Lessor's,  Agent's,  Beneficiary's  or LC
Issuer's  behalf,  as the  case may be,  a fully  executed  copy of each of such
documents (or, for Additional Properties, an amendment thereto):

          (a)      this Agreement;
          (b)      the  Lease  (and  at  each  Additional   Closing,   a
                   Supplement to the Lease with respect to each Property
                   shall be entered into as contemplated by the Lease);
          (c)      the Memorandum of Lease or such Supplement;
          (d)      the Loan Agreement;
          (e)      the Notes in the form contemplated by the Loan Agreement;
          (f)      a Deed of Trust to Agent Bank with respect to such Property;
          (g)      the Assignment;
          (h)      the Letter of Credit;
          (i)      the Reimbursement Agreement;
          (j)      the LC Security Documents;
          (k)      the Owner Trust Agreement;
          (l)      the Deed with respect to such Property;
          (m)      the Assignment of Guaranty; and
          (n)      the Guaranty.

         The Operative  Documents or memoranda or short forms thereof shall have
been  recorded,  registered  and filed,  if necessary (or delivered to the Title
Company for  recordation,  registration or filing,  as the case may be), in such
manner as to impart  notice  thereof  and/or to perfect the lien  thereof and to
enable  local  counsel  in each state in which a Property  is  located,  special
counsel  to Owner and  Beneficiary  and  special  counsel to Agent to render the
opinions referred to in Section 5.1.6.

                  5.1.2 Taxes.  All taxes,  fees and other charges in connection
with  the  execution,  delivery,  recording,  filing  and  registration  of this
Agreement  and the other  Operative  Documents  shall  have been paid (or,  with
respect to recording,  filing or registration  fees,  sufficient  funds therefor
shall have been deposited with the Title Company).

                  5.1.3  Status of Title.  Owner  shall  have a valid fee simple
interest in the Land Parcel and all Existing  Improvements  located thereon with
respect to such Property, free and

<PAGE>

                                      - 9 -

clear of all liens, encumbrances,  charges and other exceptions to title, except
for Permitted Encumbrances.

                  5.1.4 Title  Insurance.  Owner shall have received a policy of
owner's  title  insurance  with  respect to such  Property and Agent Bank and LC
Issuer  shall  have each  received  a policy of  mortgage  title  insurance,  on
American Land Title Association standard policy, revised coverage, form formerly
known as 1970 form (or  commitments  therefor)  from a title  insurance  company
acceptable to Owner and Agent Bank and dated the applicable  Closing Date, which
policies  or  commitments  and  all  reinsurance  agreements  shall  insure  the
applicable Loan as fully disbursed and shall otherwise be satisfactory to Owner,
Agent Bank and LC Issuer in form, substance (including affirmative coverages and
endorsements) and amount.

                  5.1.5  Survey;  Zoning.  At least  fifteen  days prior to such
Closing,  Owner,  Agent  Bank,  Beneficiary  and  LC  Issuer  have  received  an
instrument survey plan of the Land Parcel with respect to such Property, showing
all Existing Improvements located thereon, satisfactory in form and substance to
Owner, Agent Bank, Beneficiary and LC Issuer and certified to Owner, Agent Bank,
Beneficiary,  LC Issuer and the Title  Company,  by a surveyor  licensed  in the
State in which such  Property is located.  Owner  shall have  received  evidence
reasonably satisfactory to Owner, Agent Bank, Beneficiary and LC Issuer that the
Land Parcel with respect to such Property is properly zoned for the construction
and use of such Property contemplated hereby.

                  5.1.6 Opinions of Counsel.  Owner, Agent Bank, Beneficiary and
LC Issuer shall have received opinions from special counsel to Owner, from local
counsel in each state in which such  Property  is located,  and from  counsel to
Agent and Guarantor. Each opinion shall be dated the applicable Closing Date and
be addressed to and in form and  substance  satisfactory  to Owner,  Agent Bank,
Beneficiary,  LC Issuer and their respective  special counsel.  Without limiting
the foregoing,  Owner, Bank and Agent Bank shall have received such opinions and
assurances  as each shall  require  that each is either  qualified  to  transact
business as a foreign  corporation in the state in which the applicable Property
is located,  or has been advised by local counsel that such qualification is not
necessary in such state in order to engage in the  transactions  contemplated by
this Agreement.

                  5.1.7  Certificates.  Owner,  Agent Bank,  Beneficiary  and LC
Issuer shall have received  certificates  of Agent,  Owner and  Guarantor,  each
dated as of the applicable Closing Date and reasonably  satisfactory in form and
substance to Owner, Agent Bank, Beneficiary and LC Issuer.

                  5.1.8  Legal   Restrictions.   Neither   Owner,   Agent  Bank,
Beneficiary nor LC Issuer shall be prohibited or restricted by law from engaging
in the  transactions  contemplated  hereby on the Closing Date. The transactions
contemplated by this Agreement on the terms and conditions herein provided shall
not violate any applicable law or governmental  regulation and shall not subject
Owner, Agent Bank, Beneficiary or LC Issuer to any tax, penalty, liability or

<PAGE>

                                     - 10 -

other onerous  condition under or pursuant to any applicable law or governmental
regulation on the applicable Closing Date.

                  5.1.9 No Adverse  Change.  There  shall have been no  material
adverse  change in the condition,  financial or otherwise,  of Guarantor and its
Subsidiaries since December 31, 1997.

                  5.1.10  Environmental  Reports.  At least 15 days prior to the
Closing Date, Owner, Agent Bank, Beneficiary and LC Issuer shall have received a
copy of a "Phase I" and, if requested by Owner,  Agent Bank,  Beneficiary  or LC
Issuer in its reasonable judgment based upon the "Phase I" with respect thereto,
a  "Phase  II"  environmental  site  assessment  report(s)  for  such  Property,
addressed to Owner,  Agent Bank,  Beneficiary  and LC Issuer or accompanied by a
letter permitting Owner, Agent Bank,  Beneficiary and LC Issuer to rely thereon,
performed by an independent environmental engineer selected or approved by Owner
and  satisfactory  to  Agent  Bank,  Beneficiary  and LC  Issuer.  If  any  such
environmental  site assessment report reveals the need for additional review for
such  Property,  Agent shall have provided such  additional  environmental  site
assessment reports as are required by Owner, Agent, Beneficiary or LC Issuer and
any remediation recommended therein to be performed shall have been performed to
the satisfaction of Owner, Agent Bank,  Beneficiary and LC Issuer.  Owner, Agent
Bank,  Beneficiary  or LC  Issuer  shall  notify  Agent  of  any  unsatisfactory
conditions, and if such conditions are not cured within a reasonable time period
to the satisfaction of Owner,  Agent Bank,  Beneficiary and LC Issuer (but in no
event less than seven days prior to such Closing Date),  such Property shall not
become an Existing Facility or a New Facility  hereunder and Agent shall have no
right or  authorization  to act on behalf of Owner with respect to such Property
or to receive any reimbursements for Costs of the Property with respect thereto.

                  5.1.11 Evidence of Insurance.  Owner and Agent Bank each shall
have received a certificate  relating to insurance  substantially in the form of
Schedule J to the Lease,  together  with policies or  certificates  of insurance
evidencing  the  compliance  by Agent with the  provisions  of Article 13 of the
Lease.

                  5.1.12 Closing of Loans and Equity Investment.  The applicable
Loan shall have closed with respect to such Property, any Equity Investment with
respect to such  Property  shall have been made such that the  aggregate  Equity
Investment with respect to all Properties shall at no time be less than 3.02% of
the Cost of the  Properties,  the  Letter of Credit  shall  have been  issued or
amended  with  respect to such  Property  and  delivered to Agent Bank and Owner
shall be entitled to and shall have  received the advance of the proceeds of the
applicable Loan with respect to each Property.

                  5.1.13 Proceedings and Documents.  All opinions,  certificates
and other instruments required hereunder with respect to such Property or by any
other Operative  Document with respect to such Property,  and all proceedings in
connection with the transactions  contemplated by this Agreement with respect to
such Closing  shall be reasonably  satisfactory  in form and substance to Owner,
Agent Bank, Beneficiary, LC Issuer and their respective special

<PAGE>

                                     - 11 -

counsel. Owner, Agent Bank, Beneficiary and LC Issuer shall have received copies
of all  instruments and other evidence as Owner,  Agent Bank,  Beneficiary or LC
Issuer may  reasonably  request,  in form and substance  satisfactory  to Owner,
Agent Bank,  Beneficiary,  LC Issuer and their respective special counsel,  with
respect to such  transactions  and the taking of all  corporate  proceedings  in
connection   therewith.   If  any  provision  of  this  Agreement  requires  the
certification  of the  existence  or  non-existence  of any  particular  fact or
implies as a condition the existence or  non-existence  of such fact, then Owner
shall be free after  notice to and  consultation  with Agent to establish to its
reasonable satisfaction the existence or non-existence of any such fact.

                  5.1.14 Fees and Expenses. Subject to the provisions of Section
10 hereof, Agent shall have made adequate provision for payment or reimbursement
to Owner,  Agent  Bank,  the  Lenders,  Beneficiary  and LC Issuer of all out of
pocket  expenses  and  counsel  fees  reasonably  incurred  by  each  of them in
connection  with the  transactions  contemplated by this Agreement and the other
Operative  Documents  with respect to such Property.  In connection  with out of
pocket expenses and counsel fees of the Lenders, it is expressly agreed that the
payment  and  reimbursement  obligations  hereof  shall  apply only to  Lenders'
Counsel as counsel to the group of Lenders.

                  5.1.15   Requisition.   Agent  Bank  shall  have   received  a
Requisition from Agent with respect to such Property in the form required by the
Loan Agreement. The Requisition shall comply with all requirements hereof and of
the Loan  Agreement,  shall be subject to review and  approval by Agent Bank and
shall set forth the dollar amount of any Additional Equity  Investment  required
in connection therewith.

                  5.1.16 Appraisals. Agent shall have provided, at its sole cost
and expense, an Appraisal of the Property,  addressed to Owner,  Beneficiary and
LC Issuer or accompanied by a letter permitting Owner, Beneficiary and LC Issuer
to rely  thereon,  satisfactory  in form and  substance  to Agent  Bank,  Owner,
Beneficiary  and LC Issuer.  Without  limiting the  generality of the foregoing,
each such  Appraisal  shall  indicate an estimated  fair market value and useful
life of the  subject  Property  at the time of such  Closing.  Further,  without
limiting the  generality  of the  foregoing,  in order for such  Appraisal to be
satisfactory  to  Beneficiary,  such Appraisal  must establish to  Beneficiary's
satisfaction that the Equity Investment does not exceed the fair market value of
the Property as of the applicable Closing Date.

                  5.1.17 Other Requirements.  Owner, Agent Bank, Beneficiary and
LC Issuer shall have received such other documents, reports, and other materials
as any of them may reasonably  request with respect to such Property  evidencing
Agent's compliance with the terms and conditions of this Agreement.


<PAGE>

                                     - 12 -


                                    ARTICLE 6

                  CONDITIONS OF AGENT'S OBLIGATIONS AT CLOSINGS

         The  obligations  of Agent to enter into those  Operative  Documents to
which Agent is a party (or amendments or supplements thereof, as applicable) are
subject  to  (a)  the  accuracy  and  correctness  of  the  representations  and
warranties of Owner  contained  herein,  (b) the accuracy and correctness of the
representations  of Owner and  Beneficiary  contained  in each of the  Operative
Documents and in any other document or certificate  delivered pursuant hereto or
thereto, (c) the performance by (x) Owner of its agreements contained herein and
to be  performed  by it and  (y)  Beneficiary  of  their  respective  agreements
contained in the Owner Trust  Agreement and to be performed by each thereof,  in
each case on or prior to the date of each Closing,  and (d) the  satisfaction or
waiver by Agent of all of the following conditions:

         6.1 Operative Documents. Each of the Operative Documents (including, as
required,  amendments and supplements  thereto) shall have been duly authorized,
executed and delivered by the parties thereto, shall be in full force and effect
and no Default or Event of Default shall exist thereunder,  and counsel to Agent
shall have  received  on Agent's  behalf a fully  executed  copy of each of such
documents.

         6.2 Opinions of Counsel. Agent shall have received from special counsel
to Owner an opinion  dated the  applicable  Closing and addressed to and in form
and substance satisfactory to Agent.

         6.3  Certificates.  Agent shall have received a  certificate  of Owner,
dated the applicable Closing Date, satisfactory in form and substance to Agent.

         6.4 Legal Restrictions.  Agent shall not be prohibited or restricted by
law from  engaging in the  transactions  contemplated  by this  Agreement on the
applicable Closing Date. The transactions  contemplated by this Agreement on the
terms and  conditions  herein  provided  shall not violate any applicable law or
governmental  regulation  and  shall not  subject  Agent,  to any tax,  penalty,
liability or other onerous  condition under or pursuant to any applicable law or
governmental regulation.

         6.5 Equity Investment.  Agent shall have received the Equity Investment
or Additional Equity  Investment from Owner for application  against the Cost of
the Properties.

<PAGE>

                                     - 13 -


                                    ARTICLE 7

                     REPRESENTATIONS AND WARRANTIES OF AGENT

         Agent  warrants and  represents  to Lender,  Owner,  Bank,  Agent Bank,
Beneficiary  and LC Issuer as follows as of the each Closing Date and as to each
Property now or hereafter acquired:

         7.1  Organization  and Power.  Agent (a) is a corporation  duly formed,
validly  existing and in good  standing  under the laws of the State of Delaware
and is duly  qualified as a foreign  corporation in all other  jurisdictions  in
which such qualification is required in order for Agent to carry on its business
as now conducted  including without  limitation each state in which any Property
is located, except where the failure to be so qualified will not have a material
adverse  effect on Agent;  and (b) has the full corporate  power,  authority and
legal right to lease each  Existing  Facility  from Owner and to  construct  the
Completion  Improvements and has the requisite  corporate power and authority to
carry on its business as now conducted  and to execute,  deliver and perform the
Operative Documents to which it is a party.

         7.2 Full Disclosure.  No written  statement  delivered to Owner,  Agent
Bank,  Beneficiary or LC Issuer by Agent in connection  with the  negotiation of
the transactions contemplated hereby or contained in this Agreement or any other
Operative  Document to which Agent is a party contains any untrue statement of a
material  fact or  omits a  material  fact  necessary  to  make  the  statements
contained therein or herein not misleading in any material respect.  There is no
fact peculiar to Agent which is not disclosed in writing  which  materially  and
adversely  affects  Agent's  ability  to  perform  under  the Lease or any other
Operative Document to which Agent is a party.

         7.3 Litigation.  There is no action,  suit or proceeding pending, or to
the best of Agent's knowledge  threatened,  against or affecting Agent at law or
in equity  before any court,  or by or before any federal,  state,  municipal or
other  governmental   department,   commission,   board,   bureau,   agency,  or
instrumentality or arbitrator which if adversely  determined (i) individually or
in the aggregate would  materially and adversely affect the performance by Agent
of its obligations under this Agreement or any other Operative Document to which
it is a party or the business and operations of Agent, taken as a whole, or (ii)
would  affect in any  material  respect  the  consummation  or  validity  of the
Operative  Documents to which it is a party,  or the  transactions  contemplated
thereby.

         7.4 No Adverse Change. There has been no material adverse change in the
condition of Guarantor  and its  Subsidiaries,  financial  or  otherwise,  since
December 31, 1997.

         7.5 No  Defaults.  No Default or Event of Default has  occurred  and is
continuing.  Agent is not in default in the payment of the principal or interest
on any indebtedness for borrowed money or for its deferred  purchase of property
or in default under any  instrument or agreement  under and subject to which any
such indebtedness has been issued or under any lease,

<PAGE>

                                     - 14 -

in each case involving the  likelihood of any actions or proceedings  against it
which will materially and adversely affect Agent or its ability to perform under
this Agreement,  under the Lease or any other Operative  Document to which Agent
is a party.

         7.6 No Violation.  Neither the  execution,  delivery or  performance by
Agent of this  Agreement  or the other  Operative  Documents  to be delivered by
Agent nor compliance herewith with respect to any of the Properties or therewith
(a)  conflicts or will conflict with or results or will result in a breach of or
constitutes  or will  constitute a default under (i) any law in effect as of the
Closing Date for such Property or (ii) any order, writ,  injunction or decree of
any court or other governmental  authority, or (b) results or will result in the
creation or  imposition  of any lien,  charge or  encumbrance  upon its property
pursuant to such  agreement or  instrument  except for  Permitted  Encumbrances.
Neither the execution,  delivery or performance by the Agent of this  Agreement,
or the  Operative  Documents to be delivered  by Agent nor  compliance  by Agent
herewith or therewith  conflicts or will conflict with or results or will result
in a breach  of or  constitutes  or will  constitute  a  default  under  (i) the
certificate  of  incorporation  or  by-laws  of Agent or (ii) any  agreement  or
instrument to which Agent is a party or by which it is bound.

         7.7 Agreements are Legal and  Authorized.  This Agreement and the other
Operative Documents to which Agent is a party have been duly authorized by Agent
as to all of the  Properties by all necessary  corporate  action  (including any
necessary  action by its  shareholders)  and duly  executed and delivered by it,
and, assuming the due authorization, execution and delivery thereof by the other
parties thereto,  are legal, valid and binding  obligations of Agent enforceable
against it in accordance with their respective terms.

         7.8 Insurance.  All insurance required by Article 13 of the Lease is in
effect with  respect to each  Property,  and all premiums now due and payable in
respect of such insurance have been paid.

         7.9 Consents.  No consent,  license,  approval or authorization  of, or
filing,  registration or declaration  with, or exemption or other action by, any
governmental  or public body,  authority,  bureau or agency  (including  courts)
under  the laws of the  United  States  of  America,  the  States  of  Delaware,
Massachusetts, Connecticut, or of any other state in which a Property is located
is required in  connection  with the execution  and delivery or  performance  by
Agent of this Agreement or any other Operative  Document to which it is a party,
except for such  approvals,  consents or permits which may be required as of the
date  hereof in  connection  with the  construction,  use and  occupancy  of the
Properties  (all of which have been  obtained  and are in full force  except for
those that are not yet  obtainable or are not material).  All actions,  consents
and approvals of Agent  required to be performed on or prior to the Closing Date
for such  Property in  connection  with the issuance of the related Note and the
making  of the  Equity  Investment  and  the  transactions  contemplated  by the
Operative  Documents  have been  performed in accordance  with their  respective
terms or have  been  obtained  and  remain in full  force and  effect as of each
Closing Date.

<PAGE>

                                     - 15 -

         7.10  Approvals.  Agent holds or, if not  required on the date  hereof,
will obtain in the ordinary  course on or before the date required all licenses,
certificates,  consents,  approvals,  and permits from governmental  authorities
materially  necessary to perform any Completion  Improvements in accordance with
the Lease,  to use and operate each Property in accordance  with the  provisions
hereof and of the Lease and to enter into and perform this Agreement,  the Lease
and the other Operative Documents.

         7.11 Compliance;  Taxes.  Each Existing Facility and each New Facility,
will comply in all material  respects with all  applicable  Legal  Requirements.
Agent will use and occupy each  Property,  and each Property is  acceptable  (or
will be upon  completion  of the  Completion  Improvements)  to  Agent,  for its
business purposes. There has been no material damage to any Property nor are any
condemnation or eminent domain  proceedings  pending,  or to Agent's  knowledge,
threatened with respect  thereto.  Agent is not in default in the payment of any
taxes levied or assessed  against it or its assets,  non-payment  of which would
materially  and  adversely  affect  Agent or its  ability to perform  under this
Agreement,  under the Lease or any other Operative  Document to which Agent is a
party.

         7.12 Use of  Advances.  Agent has used or will use all  Owner  Advances
provided to it solely for  application  against the Cost of the  Properties,  as
agent of Owner,  in accordance  with the terms and conditions of this Agreement,
the Lease and the Loan Agreement.

         7.13 Lease. Agent has unconditionally accepted and will unconditionally
accept each Leased  Property  under the Lease,  no offset exists with respect to
any Basic Rent or other sums payable  under the Lease and no Basic Rent or other
sum payable under the Lease has been prepaid.

         7.14 Use. None of the Permitted Encumbrances applicable to any Property
interfere  in any  material  respect  with  the  intended  use by  Agent of such
Property.

         7.15 ERISA.  Agent is not  entering  into this  Agreement  or any other
Operative Document or transaction  contemplated  hereby or thereby,  directly or
indirectly,  in  connection  with  any  arrangement  in any  way  involving  any
"prohibited transaction," within the meaning of ERISA and the Code.

         7.16 Property Related  Information.  All information  provided by or on
behalf of Agent to the  engineers  in  connection  with the  environmental  site
assessment reports  contemplated by Section 5.1.10 hereof or to the appraiser in
connection  with any Appraisal  contemplated  by Section  5.1.16 hereof is true,
accurate and complete in all material respects.

         7.17 Location of Office and Records. Agent's office and principal place
of  business  in the  Commonwealth  of  Massachusetts  is located in the City of
Boston and the office where Agent will keep its corporate records concerning the
Properties  and the Operative  Documents is in Boston or such other  location as
the Agent shall indicate to Owner and Agent Bank in writing.


<PAGE>

                                     - 16 -

Agent will notify Owner, Beneficiary,  Agent Bank and LC Issuer promptly (but in
no event later than five  Business  Days after any such change) of any change in
any of the information set forth in this Section 7.17.

         7.18 Brokers.  Except for Placement  Agent,  Agent has not retained any
broker,  finder  or  financial  advisor  in  connection  with  the  transactions
contemplated by the Operative Documents. Agent will hold the Indemnified Parties
harmless  from any fee due Placement  Agent or in connection  with any breach of
the representations contained in the first sentence of this Section 7.18.


                                    ARTICLE 8

                     REPRESENTATIONS AND WARRANTIES OF OWNER

         Owner  and,  to the  extent  set  forth in the last  paragraph  of this
Article  8,  Bank,  represent  and  warrant  to Agent as  follows as of the each
Closing Date:

         8.1 Organization and Power. (a) Bank is a national banking association,
duly formed,  validly existing and in good standing under the laws of the United
States and duly qualified to transact business in Connecticut; and (b) Owner and
Bank have the full corporate power and authority and all necessary  licenses and
permits  pertaining to its banking and trust powers under the laws of the United
States of America (i) to execute,  deliver and perform the terms and  provisions
of this Agreement and the other  Operative  Documents to which Owner is a party,
and  (ii)  to  acquire  and  hold a fee  estate  in  each  Property.  All of the
Beneficial Interest is owned by Beneficiary.  Owner is not engaged and shall not
engage in any other  business  and has and shall have no other  liabilities;  in
each  case  except  as  expressly  permitted  by this  Agreement  and the  other
Operative Documents.

         8.2  Agreements  Legal and  Authorized.  This  Agreement  and the other
Operative Documents to which Owner is a party have been duly authorized by Owner
and Bank by all necessary corporate action and duly executed and delivered by it
and, assuming the due authorization, execution and delivery thereof by the other
parties thereto, are legal, valid and binding obligations of Owner,  enforceable
against it in accordance with their respective terms.

         8.3 Litigation.  There is no action,  suit or proceeding pending, or to
the best of Owner's or Bank's knowledge  threatened,  against or affecting Owner
or Bank at law or in equity  before  any  court,  or by or before  any  federal,
state, municipal or other governmental  department,  commission,  bound, bureau,
agency, or instrumentality or arbitration which, if adversely determined,  would
materially and adversely affect any Property or would question the right,  power
and  authority of Owner or Bank to enter into or perform  this  Agreement or any
other Operative Document to which it is a party.

<PAGE>

                                     - 17 -


         8.4 No Violation.  Neither the  execution,  delivery or  performance by
Owner of this  Agreement  or the other  Operative  Documents  to be delivered by
Owner nor  compliance  herewith or therewith (a) conflicts or will conflict with
or results or will result in a breach of or  constitutes  or will  constitute  a
default under (i) any law in effect as of the date of delivery of this Agreement
or (ii) any order, writ, injunction or decree of any court or other governmental
authority,  or (b) results or will result in the creation or  imposition  of any
lien,  charge or  encumbrance  upon its property  pursuant to such  agreement or
instrument,  except the liens and security interests created,  and as permitted,
by the Operative  Documents.  Neither the execution,  delivery or performance by
the Owner of this Agreement, or the Operative Documents to be delivered by Owner
nor compliance by Owner herewith or therewith conflicts or will conflict with or
results  or will  result  in a breach of or  constitutes  or will  constitute  a
default under (i) the certificate of  incorporation  or by-laws of Owner or Bank
or (ii) any  agreement  or  instrument  to which  Owner or Bank is a party or by
which it is bound.

         8.5 Consents.  No consent,  license,  approval or authorization  of, or
filing,  registration or declaration  with, or exemption or other action by, any
governmental or public body, bureau or agency (including  courts) under the laws
of the United  States of  America or the State of  Connecticut  is  required  in
connection  with the  execution  and  delivery or  performance  by Owner of this
Agreement or any other Operative Document to which Owner is a party.

         The foregoing  representations  are made by Owner not in its individual
capacity  but solely as Trustee  under the Owner  Trust  Agreement,  except with
respect  to  the  following  representations  which  are  made  by  Bank  in its
individual  capacity:  the representations in the first sentence of Section 8.1,
the first  clause of Section  8.2 (i.e.,  as to Bank's  corporate  authority  to
execute and deliver the Operative  Documents),  the matters contained in Section
8.3 as they  relate to any such  proceedings  affecting  Bank in its  individual
capacity, the matters set forth in Section 8.4 to the extent that they relate to
agreements to which Bank is a party in its  individual  capacity and the matters
set forth in Section  8.5 to the extent  that they  relate to laws of the United
States of America  applicable to Bank in its individual  capacity  pertaining to
its banking or trust powers.

                                    ARTICLE 9

                              DEFAULTS AND REMEDIES

         9.1 Events of Default.  Any of the following shall  constitute an Event
of  Default  by Agent  under  this  Agreement  and  under  all of the  Operative
Documents:

                  (a) If Agent  defaults  in making  payment of any sum  payable
hereunder and such default continues for two days; or

                  (b) If, as of the time when the same  shall  have been made or
repeated,  any  representation  or warranty of Agent set forth  herein or in any
consent, notice,  certificate,  demand, request or other instrument delivered by
or on behalf of Agent in connection with or

<PAGE>

                                     - 18 -

pursuant to this Agreement or any of the Operative Documents or the transactions
contemplated  hereby or thereby shall prove to have been incorrect or misleading
in any material respect when made; or

                  (c) If Agent  defaults  in the  performance  in any  covenant,
agreement,  or  obligation  on the  part of  Agent to be  performed  under  this
Agreement,  and such  default  continues  for a period of 30 days  after  notice
thereof from Owner; or

                  (d) An Event of  Default,  as defined in the Lease  shall have
occurred and be continuing under the Lease; or

                  (e) An Event of Default  shall occur and be  continuing  under
the Guaranty,  or any default shall occur and be continuing under the Assignment
or the Assignment of Guaranty.

         9.2 Remedies.  After any Event of Default  hereunder,  Owner shall have
all rights and remedies  available at law and in equity and without limiting the
generality of the  foregoing,  may elect to exercise any or all of the following
remedies which shall be cumulative and not exclusive:

                  (a) Terminate  Agent's authority and all of Agent's rights and
privileges under this Agreement;

                  (b) Exercise  all rights and remedies  under any or all of the
Operative Documents, including, without limitation, demand payment of liquidated
damages under clause (v) of paragraph (c) of Article 22 of the Lease;

                  (c)  Demand  immediate  payment  of  all  sums  due  hereunder
together with interest thereon at the Overdue Rate until paid; and

                  (d) Recover  from Agent all other  damages and  expenses  that
Owner may have sustained by reason of the Event of Default,  including,  without
limitation,  reasonable attorneys' fees and expenses, which damages and expenses
shall be paid by Agent as they are  incurred by Owner,  together  with  interest
thereon at the Overdue Rate until paid.

         9.3 Costs of  Enforcement.  If an action  shall be brought by Owner for
the enforcement of any provision of this Agreement, Agent shall pay to Owner all
out-of-pocket  costs and other  expenses  that may  become  payable  as a result
thereof, including, without limitation, reasonable attorneys' fees and expenses.

         9.4 Cumulative  Remedies.  No right or remedy herein  conferred upon or
reserved to Owner is intended to be  exclusive  of any other right or remedy and
every right and remedy shall be cumulative and in addition to any other legal or
equitable right or remedy given hereunder,  or at any time existing. The failure
of Owner to insist upon the strict performance of any provision


<PAGE>

                                     - 19 -

or to exercise any option,  right,  power or remedy  contained in this Agreement
shall not be construed as a waiver or a relinquishment thereof for the future.


                                   ARTICLE 10

                                  MISCELLANEOUS

         10.1 Governing Law;  Jurisdiction  and Venue.  This Agreement  shall be
construed  and  enforced in  accordance  with,  and governed by, the laws of the
Commonwealth of  Massachusetts.  Agent hereby agrees to  non-exclusive  personal
jurisdiction  and venue in the state courts of the Commonwealth of Massachusetts
and the  United  States  District  Courts  located  in the  City of  Boston  and
Commonwealth  of  Massachusetts,  the choice of such forum to be at Owner's sole
discretion.

         10.2 Notices;  Modification;  Waiver. (a) All  notifications,  notices,
demands,  requests and other communications herein provided for or made pursuant
hereto  shall be in writing  and shall be sent by (i)  registered  or  certified
mail, return receipt requested,  and such communication shall be deemed complete
on the third  Business Day after the same is  deposited in a United  States Post
Office with  postage  charges  prepaid,  or (ii)  reputable  overnight  delivery
service  and the giving of such  communication  shall be deemed  complete on the
immediately  succeeding  Business  Day  after  the same is  deposited  with such
delivery  service:  (a) if to Owner,  addressed  to such party at 10 State House
Square, Hartford,  Connecticut 06103, Attention: Corporate Trust Administration,
or (b) if to Agent,  addressed  to such party at 745  Atlantic  Avenue,  Boston,
Massachusetts 02110, Attention:  Treasurer, or at such other address as Owner or
Agent shall have specified to the other in writing, and, except as otherwise set
forth  above,  such   notifications,   notices,   demands,   requests  or  other
communications shall be deemed given on the date of receipt.

         (b) This  Agreement  may not be  modified  or  discharged  except by an
instrument in writing executed by Owner and Agent. No requirement  hereof may be
waived  at any time  except  by an  instrument  in  writing  signed by the party
against  whom such waiver is sought,  nor shall any waiver be deemed a waiver of
any subsequent breach or default of Agent.

         10.3 Illegal Provision. If any provision herein contained shall be held
to be  invalid,  illegal  or  unenforceable  in any  respect,  such  invalidity,
illegality or unenforceability  shall not affect any other provision hereof, and
this Agreement shall be construed as if such invalid,  illegal or  unenforceable
provision had never been contained herein.

         10.4  Binding  Effect;  Third  Party  Beneficiary.  (a) The  covenants,
conditions  and  agreements  herein  contained  shall bind, and the benefits and
advantages  shall inure to, the  respective  heirs,  executors,  administrators,
successors and assigns of the parties hereto.  Agent  acknowledges  that Owner's
rights hereunder,  but not Owner's obligations,  are being assigned to Agent and
that Agent may exercise all of Owner's rights under this Agreement in accordance

<PAGE>

                                     - 20 -

with the provisions  hereof and of the  Assignment.  Whenever used, the singular
shall  include the plural,  the plural  include the  singular and the use of any
gender shall include all genders.

         (b) Agent Bank, Lenders, Beneficiary and LC Issuer shall be third party
beneficiaries of this Agreement with respect to those provisions that explicitly
or  implicitly  are for the benefit of Agent Bank,  Lenders,  Beneficiary  or LC
Issuer.

         10.5  Counterparts.  This  Agreement  may be  executed in any number of
counterparts,  each of which shall be deemed to be an original  but all of which
shall constitute one and the same instrument.

         10.6 Headings.  The Table of Contents  preceding this Agreement and the
headings to the various  sections of this  Agreement  have been inserted for the
convenience of reference only and shall not limit or otherwise affect any of the
terms hereof.

         10.7  Reproduction  of  Documents.  This  Agreement  and all  documents
relating  thereto,  (except  any  notes)  including,   without  limitation,  (a)
consents,  waivers  and  modifications  which may  hereafter  be  executed,  (b)
documents  delivered  at any closing,  and (c)  financial  statements  and other
information previously or hereafter furnished to either party, may be reproduced
by any photographic,  photostatic, microfilm, micro-card, miniature photographic
or other similar  process,  and such party may destroy any original  document so
reproduced.  Owner and Agent each stipulate that any such reproduction  shall be
admissible in evidence as the original itself in any judicial or  administrative
proceeding  (whether or not the original is in existence and whether or not such
reproduction  was made by such party in the regular course of business) and that
any enlargement,  facsimile or further  reproduction of such reproduction  shall
otherwise be admissible in evidence.

         10.8     Time of Essence.  Time is of the essence of this Agreement.

         10.9  Payment  of  Expenses.  Agent  shall  pay or  cause  to be  paid,
regardless of whether the transactions  contemplated  hereunder shall occur, the
reasonable  fees and expenses of Owner,  Agent Bank,  Lenders,  Beneficiary,  LC
Issuer,  and  their  respective  counsel,  including  local  counsel  (it  being
understood  that such costs shall not  include the costs of any special  counsel
retained by any  individual  Lender (other than  Lenders'  Counsel) to represent
such Lender  separately prior to any Event of Default),  together with all other
reasonable  out-of-pocket  expenses  incurred by such  parties  for  third-party
costs,  whether or not  capitalized by Agent,  including but not limited to fees
and expenses of  consultants,  appraisal  fees,  environmental  site  assessment
costs, title insurance fees, survey costs,  transfer costs and recordation fees,
in  connection  with  each  Closing   regardless  of  whether  the  transactions
contemplated  hereby are  consummated.  Agent shall pay or cause to be paid from
time to time the fees of Bank for its trust  services as Owner and Trustee under
the Owner Trust  Agreement.  Agent  agrees to  indemnify  and hold  harmless the
Indemnified Parties from and against any and all liability and loss with respect
to or resulting from the  non-payment or delayed payment of any of the foregoing
fees and

<PAGE>
                                     - 21 -

expenses including any interest or penalties  thereon,  and from and against any
and all finders' or brokerage  fees and  commissions  that may be payable to any
party  claiming to have dealt with,  or acted on behalf of Agent,  in connection
with any of the transactions contemplated hereunder.

         10.10 Advisory Fee. In connection with the transactions contemplated by
this  Agreement,  Agent  shall  pay a fee to  Placement  Agent as set forth in a
separate fee agreement between the parties.

         10.11  Limitations  on  Liability.  Anything in this  Agreement  to the
contrary  notwithstanding,  except for the representations  made (w) by Owner in
its  individual  capacity  as set forth in  Article  8 hereof,  (x) set forth in
Article 6 of the Loan Agreement, (y) set forth in Section 3.5 of the Owner Trust
Agreement with respect to Beneficiary,  and (z) with respect to Lessor Liens, it
is understood and agreed that (irrespective of any breach of any representation,
covenant,  agreement  or  undertaking  of any  nature  whatsoever  made  in this
Agreement),  no  recourse  shall  be had  under  any  rule  of law,  statute  or
constitution  or by the enforcement of any assessments or penalties or otherwise
for the payment of any sum  hereunder or for any other claim  hereunder  against
(i) Owner, Bank, except for their gross negligence, fraud or willful misconduct,
Deed of  Trust  Trustee,  Beneficiary  or any  other  holder  of the  Beneficial
Interest, or any past, present or future Affiliate,  partner, officer, director,
any owner, shareholder, agent or employee of or in any thereof or of any partner
thereof  or  their  legal  representatives,  successors  or  assigns,  (ii)  any
Subsequent  Owner except as a result of its gross  negligence,  fraud or willful
misconduct  or (iii) any Person for whom  Owner,  Bank,  Deed of Trust  Trustee,
Beneficiary or any other holder of the Beneficial Interest was or was purporting
to be acting as an agent for the  account and benefit of such Person in entering
into the transactions evidenced by this Agreement. Subject to the exceptions set
forth above, it is expressly  understood that by the execution of this Agreement
all such liability (a) of Owner, Bank, Deed of Trust Trustee, Beneficiary or any
other  holder  of  the  Beneficial  Interest  or any  past,  present  or  future
Affiliate,  partner,  officer,  director,  any  shareholder,  agent or  employee
thereof  or  director  or  shareholder  of any  partner  thereof or any of their
respective legal  representatives,  successors or assigns, (b) of any Subsequent
Owner or (c) of such other Person, is and is being expressly waived and released
as a condition of and as a consideration  for the execution of this Agreement by
Owner,  that Agent and its  successors and assigns as agent  hereunder  agree to
look solely to the Properties  for the payment of any such sums or  satisfaction
of any such other claims.

         In addition to and not in limitation of the foregoing, it is understood
and agreed that (i) this Agreement is executed and delivered by Bank, not in its
individual capacity but solely as trustee under the Owner Trust Agreement in the
exercise of the power and authority  conferred and vested in it as such trustee,
(ii) (except as  pertaining to Owner Liens  attributable  to Owner and except as
expressly set forth in Article 8 hereof with respect to certain  representations
made  by  Bank  in  its  individual   capacity)  each  of  the  representations,
undertakings   and   agreements   made   herein  by  Owner   are  not   personal
representations,  undertakings  and  agreements of Bank, but are binding only on
Owner, as trustee and (iii) actions to be taken by Owner pursuant to its

<PAGE>

                                     - 22 -

obligations  hereunder  may, in certain  instances,  be taken by Owner only upon
specific authority of Beneficiary as provided in the Owner Trust Agreement.

         10.12 Conveyance of Houston Parcel. Notwithstanding any other provision
of this Agency Agreement or any other Operative Document,  in no event shall any
Advance or Loan be made in connection with the Houston Parcel.  The Agent hereby
covenants  and agrees to cause the Houston  Parcel to be conveyed from the Owner
to a third party by not later than November 15, 1998,  upon terms and conditions
acceptable to Owner and the Agent Bank. Upon such conveyance, the Houston Parcel
shall cease to be a Property or Leased Property under the Operative Documents.

         10.13 Louisiana  Provisions.  As to any Property  located in Louisiana,
Owner  shall mean and  include  both Iron  Mountain  Statutory  Trust - 1998,  a
Connecticut  statutory trust having an address at c/o First Union National Bank,
10 State House Square, Hartford, Connecticut 06103 and First Union National Bank
as trustee of the Iron Mountain Statutory Trust - 1998 Louisiana Subtrust,  such
subtrust  being  referred  herein as the  "Louisiana  Subtrust".  All references
hereunder  to the Owner  shall be deemed to include  the  Louisiana  Subtrust as
applicable.




<PAGE>



                  IN WITNESS WHEREOF, the undersigned set their hands under seal
as of the day and year first above written.



                           IRON MOUNTAIN STATUTORY TRUST - 1998

                           BY:  FIRST UNION NATIONAL BANK, not in its
                           individual capacity except as expressly set forth
                           herein, but solely as Trustee under the Amended
                           and Restated Owner Trust Agreement dated as of
                           October 1, 1998



                           By: /s/ Diane M. Welsh                        
                               Name:  Diane M. Welsh
                               Title:   Vice President





                           IRON MOUNTAIN RECORDS MANAGEMENT, INC.



                           By: /s/ John P. Lawrence                        
                               Name:  John P. Lawrence
                               Title:  Vice President and Treasurer



<PAGE>



         THUS DONE, READ AND SIGNED, as of the day, month and year first written
above  in  the  City  of  Boston,  County/Parish  of  Suffolk,  Commonwealth  of
Massachusetts,  in the  presence of the  undersigned  competent  witnesses,  who
hereunto sign their names with the  undersigned  and with me, notary,  after due
reading of the whole.



WITNESS:                       FIRST UNION NATIONAL BANK, a national
                               banking institution, not in its individual 
                               capacity, but solely as Trustee of the IRON 
                               MOUNTAIN STATUTORY TRUST - 1998 LOUISIANA
/s/ Scott C. Altonian          SUBTRUST
Name: Scott C. Altonian                         
                              
                              
/s/ Louise A. Handler          By:  /s/ Diane M. Welsh                      
Name: Louise A. Handler             Name:  Diane M. Welsh
                                    Title:    Vice President
                              
                              
                              
                               IRON MOUNTAIN RECORDS MANAGEMENT, INC.
                              
                              
                               By:  /s/ John P. Lawrence                      
                                    Name:  John P. Lawrence
                                    Title:  Vice President and Treasurer
                              
                              
                              
                          


                             /s/ Carolyn D. Killian
                        Printed Name: Carolyn D. Killian
                                  NOTARY PUBLIC
                         My Commission Expires: 11/22/02
                                     [SEAL]


                                                                      Exhibit 21
<TABLE>
<CAPTION>
                       LIST OF SUBSIDIARIES OF REGISTRANT


            Subsidiaries                                                Jurisdiction of Incorporation
            ------------                                                -----------------------------
<S>                                                                            <C>
Iron Mountain Records Management, Inc.                                            DE

Data Securities International, Inc.                                               DE

Iron Mountain/Safesite, Inc.                                                      DE

Iron Mountain Records Management of Ohio, Inc.                                    DE

IM San Diego, Inc.                                                                DE

Iron Mountain Consulting Services, Inc.                                           DE

Iron Mountain Records Management of San Antonio-FP, Inc.                          DE

Iron Mountain Records Management of San Antonio, Inc.                             DE

Criterion Atlantic Property, Inc.                                                 DE

Hollywood Property, Inc.                                                          CA

IM Earhart, Inc.                                                                  DE

IM Billerica, Inc.                                                                MA

Iron Mountain Records Management of Michigan, Inc.                                DE

Iron Mountain Safe Deposit Corporation                                            MI

National Underground Storage Inc.                                                 PA

Iron Mountain Records Management of Maryland, Inc.                                DE

Iron Mountain Records Management of Missouri, LLC                                 DE

Arcus Data Security, Inc.                                                         DE

Towler Data Services, Inc.                                                        OK

Arcus Data Security Limited (UK)                                                 (UK)

HIMSCORP of Philadelphia, Inc.                                                    DE

HIMSCORP of Pittsburgh, Inc.                                                      DE

HIMSCORP of New Orleans, Inc.                                                     DE

HIMSCORP of San Diego, Inc.                                                       DE

HIMSCORP of Los Angeles, Inc.                                                     DE

Recordkeepers, Inc.                                                               MD

HIMSCORP of Cleveland, Inc.                                                       DE

HIMSCORP of Portland, Inc.                                                        DE

<PAGE>
<CAPTION>


            Subsidiaries                                                Jurisdiction of Incorporation
            ------------                                                -----------------------------
<S>                                                                              <C>
HIMSCORP of Detroit, Inc.                                                         DE

HIMSCORP of Houston, Inc.                                                         DE

Copyright, Inc.                                                                   DE

IM-AEI Acquisition Corp.                                                          DE

Iron Mountain Records Management of Utah, Inc.                                    DE

Arcus Staffing Resources, Inc.                                                    DE

Records and Filing Consultants, Inc.                                              OH

Commercial Archives, Inc.                                                         NY

Iron Mountain Global, Inc.                                                        DE
</TABLE>


                                        2



                                                                   Exhibit 23.1


                    Consent of Independent Public Accountants

As independent  public  accountants,  we hereby consent to the  incorporation by
reference in this registration  statement on Form S-4 of our reports dated March
13,  1998,  February  25, 1998 and August 21, 1998 for Sloan  Vaults,  Inc.  and
Affiliate,  Midwest  Records  Management and  InterMation,  Inc.,  respectively,
included in Iron Mountain  Incorporated's Form 8-K filed with the Securities and
Exchange  Commission  on September 18, 1998,  and to all  references to our Firm
included in this registration statement.

                                                  /s/ Arthur Andersen LLP

San Diego, California
Omaha, Nebraska
Seattle, Washington
November 13, 1998


                                                                 Exhibit 23.2

                    Consent of Independent Public Accountants

As independent  public  accountants,  we hereby consent to the  incorporation by
reference  in this  registration  statement on Form S-4 of our report dated July
30, 1998 for  National  Underground  Storage,  Inc.  included  in Iron  Mountain
Incorporated's  Form 8-K/A filed with the Securities and Exchange  Commission on
August 7, 1998, and to all references to our Firm included in this  registration
statement.

                                         /s/ Carbis Walker & Associates, LLP

Butler, Pennsylvania
November 13, 1998


                                                                Exhibit 23.3

                    Consent of Independent Public Accountants

We consent to the  reference  to our firm under the  caption  "Experts"  in this
Registration  Statement on Form S-4 of Iron Mountain Incorporated to be filed on
or about November 19, 1998 and to the  incorporation by reference therein of our
report  dated  February 23, 1998,  with  respect to the  consolidated  financial
statements  of Arcus  Technology  Services,  Inc. and Arcus,  Inc.  (Predecessor
Company)  included  in Iron  Mountain  Incorporated's  Form 8-K  filed  with the
Securities and Exchange Commission on March 9, 1998.

                                                 /s/ Ernst & Young LLP

Dallas, Texas
November 13, 1998



                                                                 Exhibit 23.4

                    Consent of Independent Public Accountants

We  consent to the  reference  to our firm under the  caption  "Experts"  in the
Registration  Statement  Form  S-4  and  related  Prospectus  of  Iron  Mountain
Incorporated for the registration of 2,500,000 shares of common stock and to the
incorporation  by reference  therein of our report dated February 21, 1997, with
respect  to  the  consolidated  financial  statements  of  HIMSCORP,   Inc.  and
Subsidiaries  included in Iron Mountain  Incorporated's  Form 8-K filed with the
Securities and Exchange Commission on November 25, 1997.

                                                 /s/ Ernst & Young LLP

Chicago, Illinois
November 13, 1998


                                                                  Exhibit 23.5

                    Consent of Independent Public Accountants

As independent  public  accountants,  we hereby consent to the  incorporation by
reference in this  registration  statement on Form S-4 of our report dated March
4,  1997,  (except  for Note 11, as to which the date is  October  1,  1997) for
Allegiance Business Archives, Ltd. included in Iron Mountain Incorporated's Form
8-K filed with the Securities and Exchange  Commission on November 25, 1997, and
to all references to our Firm included in this registration statement.

                                          /s/ Stout, Causey & Horning, P.A.

Cockeysville, Maryland
November 13, 1998



                                                                 Exhibit 23.6

                    Consent of Independent Public Accountants

As independent  public  accountants,  we hereby consent to the  incorporation by
reference in this registration  statement on Form S-4 of our report dated August
7, 1997, for Records Retention/FileSafe included in Iron Mountain Incorporated's
Form 8-K filed with the Securities and Exchange Commission on November 25, 1997,
and to all references to our Firm included in this registration statement.

                                           /s/ Abbott, Stringham & Lynch

Campbell, California
November 13, 1998



                                                                   Exhibit 23.7

                    Consent of Independent Public Accountants

As independent  public  accountants,  we hereby consent to the  incorporation by
reference in this registration statement on Form S-4 of our reports dated August
15,  1997,  April 25, 1997 and  September  12, 1997,  for  Security  Archives of
Minnesota,   Wellington   Financial   Services,   Inc.   and   Data   Securities
International, Inc., respectively, included in Iron Mountain Incorporated's Form
8-K filed with the Securities  and Exchange  Commission on October 30, 1997, and
to all references to our Firm included in this registration statement.

                                            /s/ Arthur Andersen LLP

Minneapolis, Minnesota
Detroit, Michigan
San Jose, California
November 13, 1998


                                                            Exhibit 23.8

                    Consent of Independent Public Accountants

As independent  public  accountants,  we hereby consent to the  incorporation by
reference in this registration  statement on Form S-4 of our report dated August
8, 1997,  for  Concorde  Group,  Inc.  and Neil  Tucker  Trust  included in Iron
Mountain  Incorporated's  Form  8-K  filed  with  the  Securities  and  Exchange
Commission  on October 30, 1997,  and to all  references to our Firm included in
this registration statement.

                                            /s/ Fisher, Schacht & Oliver, LLP

Rochester, New York
November 13, 1998



                                                                    Exhibit 23.9

                    Consent of Independent Public Accountants

As independent  public  accountants,  we hereby consent to the  incorporation by
reference in this registration  statement on Form S-4 of our reports dated March
14, 1997 for Safesite Records Management  Corporation  included in Iron Mountain
Incorporated's  Form S-4/A filed with the Securities and Exchange  Commission on
May 13, 1997,  and to all  references to our Firm included in this  registration
statement.

                                           /s/ Arthur Andersen LLP

Boston, Massachusetts
November 13, 1998



                                                                  Exhibit 23.10

                    Consent of Independent Public Accountants

As independent  public  accountants,  we hereby consent to the  incorporation by
reference  in this  registration  statement  on Form  S-4 of our  reports  dated
February 20, 1998,  for Iron  Mountain  Incorporated  included in Iron  Mountain
Incorporated's  Form 10-K for the year ended  December 31, 1997,  filed with the
Securities  and Exchange  Commission on March 27, 1998, and to all references to
our Firm included in this registration statement.

                                            /s/ Arthur Andersen LLP

Boston, Massachusetts
November 13, 1998



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