EXHIBIT
10.2


ACKNOWLEDGMENT,
CONFIRMATION AND AMENDMENT


OF GUARANTEE OR
SECURITY DOCUMENT


ACKNOWLEDGMENT,
CONFIRMATION and AMENDMENT OF GUARANTEE OR SECURITY DOCUMENT, dated as of April
16 2007 (this “Acknowledgment”), to:


(1) the COMPANY GUARANTY, dated as of February 1, 2000, as amended by
the Acknowledgment and Confirmation of Guarantee or Security Document, dated as
of July 8, 2004 (the “Existing Acknowledgment”) (as amended,
supplemented or otherwise modified from time to time, including this Acknowledgment,
the “Company Guaranty”), made between IRON MOUNTAIN INCORPORATED (the “Company”),
JPMORGAN CHASE BANK (formerly known as The Chase Manhattan Bank), as
administrative agent (in such capacity, the “Administrative Agent”) for
the several banks and other financial institutions (the “Lenders”) from
time to time parties to the Existing Credit Agreement referred to below and
J.P. MORGAN BANK CANADA (formerly known as The Chase Manhattan Bank of Canada),
as Canadian administrative agent (in such capacity, the “Canadian
Administrative Agent”);


(2) the SUBSIDIARY GUARANTY, dated as of February 1, 2000, as amended
by the Existing Acknowledgment (as amended, supplemented or otherwise modified
from time to time, including this Acknowledgment, the “Subsidiary Guaranty”,
and, together with the Company Guaranty, the “Guaranties”), between each
of the Subsidiaries of the Company from time to time parties thereto
(individually, a “Subsidiary Guarantor” and, collectively, the “Subsidiary
Guarantors” and, together with the Company, the “Guarantors”) and
the Administrative Agent;


(3) the SECOND AMENDED AND RESTATED COMPANY PLEDGE AGREEMENT, dated as
of February 1, 2000, as amended by the Existing Acknowledgment (as amended,
supplemented or otherwise modified from time to time, including this
Acknowledgment, the “Company Pledge Agreement”), between the Company and
the Administrative Agent;


(4) the SECOND AMENDED AND RESTATED SUBSIDIARY PLEDGE AGREEMENT, dated
as of February 1, 2000, as amended by the Existing Acknowledgment (as amended,
supplemented or otherwise modified from time to time, including this
Acknowledgment, the “Subsidiary Pledge Agreement”), between the
Subsidiary Guarantors and the Administrative Agent; and


(5) the CANADIAN BORROWER PLEDGE AGREEMENT, dated as of February 1,
2000, as amended by the Existing Acknowledgment (as amended, supplemented or
otherwise modified from time to time, including this Acknowledgment, the “Canadian
Borrower Pledge Agreement”, and together with the Company Pledge Agreement and
the 











Subsidiary Pledge Agreement, the “Security Documents”), between
IRON MOUNTAIN CANADA CORPORATION (formerly known as Pierce Leahy Canada
Company)(the “Canadian Borrower”, and collectively with the Company and
the Subsidiary Guarantors, the “Obligors”) and the Canadian
Administrative Agent.


W I T N E S S E T
H :


WHEREAS, the Company, the Canadian Borrower, certain
Lenders, the Administrative Agent and the Canadian Administrative Agent are
parties to the Seventh Amended and Restated Credit Agreement, dated as of July
8, 2004 (as amended, supplemented or otherwise modified prior to the date
hereof, the “Existing Credit Agreement”);


WHEREAS,
concurrently with the execution of this Acknowledgment, the Company, the
Canadian Borrowers, the Swiss Borrower, the Lenders, the Administrative Agent
and the Canadian Administrative Agent will refinance the Existing Credit
Agreement pursuant to the Credit Agreement, dated as of April 16 2007 (as
amended and restated through the date hereof and as further amended, supplemented
and otherwise modified from time to time, the “Credit Agreement”), under
which the Lenders will agree to make extensions of credit to the Company, the
Canadian Borrowers, the Swiss Borrower and the Additional Borrowers from time
to time;


WHEREAS, each of
the undersigned Obligors wishes to acknowledge and confirm that (i) its
obligations and the Liens and security interests created under the Guaranties
and the Security Documents continue in full force and effect, unimpaired and
undischarged, and (ii) the obligations secured by the Liens and security
interests created under the Guaranties and Security Documents shall be the
obligations of the Company and the obligations of each Guarantor, under the
Credit Agreement;


WHEREAS, each of
the undersigned Obligors wishes to make certain amendments to the Security
Documents, as more fully set forth herein; and


WHEREAS, it is a
condition precedent to the obligation of the Lenders to make any extensions of
credit to the Company, the Canadian Borrowers, the Swiss Borrower or any
Additional Borrower pursuant to the Credit Agreement that the parties hereto
shall have executed and delivered this Acknowledgment to the Administrative
Agent for the ratable benefit of the Lenders.


NOW, THEREFORE, in
consideration of the premises and to induce the Administrative Agent, the
Canadian Administrative Agent and the Lenders to induce the Lenders to make and
continue extensions of credit under the Credit Agreement, each of the
signatories hereto hereby agrees with the Administrative Agent, for the ratable
benefit of the Lenders, as follows:
















1.                                       Unless
otherwise defined herein, in the Guaranties or in the Security Documents,
capitalized terms used herein, in the Guaranties and in the Security Documents
shall have the respective meanings assigned to them in the Credit Agreement and
the other Basic Documents (as defined in the Credit Agreement).


2.                                       Each
undersigned Obligor hereby consents to the execution, delivery and performance
of the Credit Agreement.  Each
undersigned Obligor hereby agrees that each reference to “Credit Agreement”, “Loans”,
“C$ Loans”, “Notes” and “C$ Notes” in the Guaranties and the Security Documents
shall be deemed to be a reference to the Credit Agreement, Loans, C$ Loans,
Notes and C$ Notes, respectively, and each reference to “Company” in the
Subsidiary Guaranty shall be deemed to be a reference to the Company, the
Canadian Borrower, the Swiss Borrower and each of the Additional Borrowers.


3.                                       Each
undersigned Obligor, the Administrative Agent and the Canadian Administrative
Agent hereby agree that:


(a)                                  the Company Guaranty
be amended as of the date hereof by:


(i)                                     amending
the last sentence of the first recital paragraph in full to read as follows:


“In addition, the Company and one or more of the
Subsidiary Guarantors may from time to time be obligated to one or more of the
Lenders and/or any of their affiliates under one or more Hedging Agreements (as
defined in the Credit Agreement) (such obligations being herein referred to as ‘Hedging
Obligations’) or Cash Management Agreements (as so defined) (such obligations
being herein referred to as ‘Cash Management Obligations’).”


(ii)                                  amending
Section 1 by adding the following definition of 
Subsidiary Borrowers:


““Subsidiary Borrowers” shall mean the Swiss
Borrower and each of the Additional Borrowers.”


(iii)                               amending clause (b) of
the first sentence of Section 2.1 to read as follows:


“(b)         all
Hedging Obligations and all Cash Management Obligations owing by the Obligors
to the Lenders and their affiliates, in each case strictly in accordance with
the terms thereof (such obligations described in the foregoing clauses (a) and
(b) being herein collectively called the ‘Guaranteed Obligations’).”


(b)                                 the Subsidiary
Guaranty be amended as of the date hereof by:


(i)                                   amending
the last sentence of the first recital paragraph in full to read as follows:


“In addition, the Company and one or more of the
Subsidiary 



 3
 









Guarantors may from time to time be obligated to one
or more of the Lenders and/or any of their affiliates under one or more Hedging
Agreements (as so defined) (such obligations being herein referred to as ‘Hedging
Obligations’) or Cash Management Agreements (as so defined) (such obligations
being herein referred to as ‘Cash Management Obligations’).”


(ii)                                  amending
clause (b) of the first sentence of Section 2.1 to read as follows:


“(b)         all
Hedging Obligations and all Cash Management Obligations owing by the Obligors
to the Lenders and their affiliates, in each case strictly in accordance with
the terms thereof (such obligations described in the foregoing clauses (a) and
(b) being herein collectively called the ‘Guaranteed Obligations’).”


(c)                                  the
Company Pledge Agreement be amended as of the date hereof by:


(i)                                     amending
clause (a) in the definition of “Secured Obligations” in full to read as
follows:


“(a) the principal of and interest on the Loans
(including the C$ Loans) made by the Lenders to, and the Note(s) and C$ Note(s)
held by each Lender of, the Company, the Canadian Borrower, the Swiss Borrower
and each of the Additional Borrowers and all other amounts from time to time
owing to the Lenders, the Administrative Agent or the Canadian Administrative
Agent by the Company, the Canadian Borrower, the Swiss Borrower and each of the
Additional Borrowers under the Loan Documents (including, without limitation,
all Reimbursement Obligations and all obligations under the Company Guaranty),”


(ii)                                  amending
clause (c) in the definition of “Secured Obligations” in full to read as
follows:


“(c)         all
Hedging Obligations and all Cash Management Obligations owing by the Obligors
to the Lenders and their respective affiliates”


(iii)                               renumbering
the existing clause (f) as clause (g) in Section 3 and adding the following new
clause (f) in such Section 3:


“(f) intercompany
obligations of foreign Subsidiaries owing to the Company”


(iv)                              deleting
Annex 1 in its entirety therefrom and substituting in lieu thereof Exhibit I
hereto.


(d)                                 the
Subsidiary Pledge Agreement be amended as of the date hereof by:



 4
 









(i)                                     amending
clause (c) in the definition of “Secured Obligations” in full to read as
follows:


“(c)         all
Hedging Obligations and all Cash Management Obligations owing by the Pledgors
to the Lenders and their respective affiliates.”


(ii)                                  renumbering
the existing clause (f) as clause (g) in Section 3 and adding the following new
clause (f) in such Section 3:


“(f) intercompany
obligations of foreign Subsidiaries owing to such Pledgor”


(iii)                               deleting
Annex 1 in its entirety therefrom and substituting in lieu thereof Exhibit II
hereto.


4.                                       Each
undersigned Obligor hereby agrees, with respect to each Guaranty or Security
Document to which it is a party, that:


(a)                                  all
of its obligations, liabilities and indebtedness under each Guaranty or
Security Document remain in full force and effect on a continuous basis after
giving effect to the refinancing of the Existing Credit Agreement pursuant to
the Credit Agreement;


(b)                                 all
of the Liens and security interests created and arising under each Security
Document remain in full force and effect on a continuous basis, and having the
same perfected status and priority, after giving effect to the refinancing of
the Existing Credit Agreement pursuant to the Credit Agreement as collateral
security for the Secured Obligations;



 5
 









(c)                                  all
of the obligations, liabilities and indebtedness of the Company and all of the
guarantee obligations of each Guarantor under the Credit Agreement (i) are
continued in full force and effect on a continuous basis, unpaid and
undischarged, after giving effect to the refinancing of the Existing Credit
Agreement pursuant to the Credit Agreement, and (ii) constitute the
obligations, liabilities and indebtedness under the Credit Agreement; and


(d)                                 the
perfected status and priority of each Lien and security interest created under
the Security Documents continues in full force and effect on a continuous
basis, unimpaired, uninterrupted and undischarged, after giving effect to the
refinancing of the Existing Credit Agreement pursuant to the Credit Agreement,
as collateral security for the Secured Obligations.


5.                                       Each
undersigned Obligor agrees that it shall take any action reasonably requested
by the Administrative Agent in order to confirm or effect the intent of this
Acknowledgment.


6.                                       This
Acknowledgment shall be governed by, and construed and interpreted in
accordance with, the law of the State of New York.


7.                                       This
Acknowledgment may be executed by one or more of the parties hereto on any
number of separate counterparts (including by telecopy), and all of said
counterparts taken together shall be deemed to constitute one and the same
instrument.


[THE REST OF THIS
PAGE IS INTENTIONALLY LEFT BLANK]



 6














IN WITNESS
WHEREOF, the undersigned have caused this Acknowledgment to be executed and
delivered by a duly authorized officer as of the date first above written.


	
  

  	
  IRON MOUNTAIN INCORPORATED

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/

  	
   

  
	
   

  	
  Name:

  
	
   

  	
  Title:

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  IRON MOUNTAIN CANADA CORPORATION

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/

  	
   

  
	
   

  	
  Name:

  
	
   

  	
  Title:

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  SUBSIDIARY
  GUARANTORS

  
	
   

  	
   

  
	
   

  	
  COMAC, INC.

  
	
   

  	
  IRON MOUNTAIN INTELLECTUAL PROPERTY MANAGEMENT, INC.
  (f/k/a DSI Technology Escrow Services, Inc.)

  
	
   

  	
  IRON MOUNTAIN GLOBAL, INC.

  
	
   

  	
  IRON MOUNTAIN GLOBAL, LLC

  
	
   

  	
  IRON MOUNTAIN INFORMATION

  
	
   

  	
  MANAGEMENT, INC.

  
	
   

  	
  MOUNTAIN REAL ESTATE ASSETS, INC.,

  
	
   

  	
  IRON MOUNTAIN GOVERNMENT SERVICES, INC. (f/k/a,
  Mountain Reserve II, Inc.)

  
	
   

  	
  TREELINE SERVICES CORPORATION

  
	
   

  	
  MOUNTAIN RESERVE III, INC.

  
	
   

  	
  NETTLEBED ACQUISITION CORP.

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/

  	
   

  
	
   

  	
  Name:

  
	
   

  	
  Title:

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  SUBSIDIARY PLEDGORS

  
	
   

  	
   

  	
   

  
	
   

  	
  IRON MOUNTAIN
  GLOBAL, INC.

  
	
   

  	
  IRON MOUNTAIN
  GLOBAL, LLC

  
	
   

  	
  IRON MOUNTAIN
  INFORMATION

  
	
   

  	
  MANAGEMENT, INC.

  
	
   

  	
  TREELINE
  SERVICES CORPORATION

  
	
   

  	
  MOUNTAIN RESERVE
  III, INC.

  
	
   

  	
  NETTLEBED
  ACQUISITION CORP.

  
					



 











 


	
  

  	
  By:

  	
  /s/

  	
   

  
	
   

  	
  Name:

  
	
   

  	
  Title:

  



 











 


	
  

  	
  SUBSIDIARY
  GUARANTORS

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  IRON MOUNTAIN STATUTORY TRUST – 1998

  
	
   

  	
   

  	
   

  
	
   

  	
  By: U.S. BANK, NATIONAL
  ASSOCIATION, not individually but as Owner Trustee under that certain Amended
  and Restated Owner Trust Agreement dated as of October 1, 1998, as amended

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/

  	
   

  
	
   

  	
  Name:

  	
  Susan Freedman

  
	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
  IRON MOUNTAIN STATUTORY TRUST – 1999

  
	
   

  	
   

  
	
   

  	
  By: U.S. BANK, NATIONAL
  ASSOCIATION, not individually but as Owner Trustee under that certain Owner
  Trust Agreement dated as of July 1, 1999, as amended

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/

  	
   

  
	
   

  	
  Name:

  	
  Susan Freedman

  
	
   

  	
  Title:

  	
  Vice President

  
						



 











 


	
  

  	
  SUBSIDIARY
  PLEDGORS

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  IRON MOUNTAIN STATUTORY TRUST – 1998

  
	
   

  	
   

  
	
   

  	
  By: U.S. BANK, NATIONAL
  ASSOCIATION, not individually but as Owner Trustee under that certain Amended
  and Restated Owner Trust Agreement dated as of October 1, 1998, as amended

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/

  	
   

  
	
   

  	
  Name:

  	
  Susan Freedman

  
	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  IRON MOUNTAIN STATUTORY TRUST – 1999

  
	
   

  	
   

  
	
   

  	
  By: U.S. BANK, NATIONAL
  ASSOCIATION, not individually but as Owner Trustee under that certain Owner
  Trust Agreement dated as of July 1, 1999, as amended

  
	
   

  	
   

  
	
   

  	
  By:

  	
  /s/

  	
   

  
	
   

  	
  Name:

  	
  Susan Freedman

  
	
   

  	
  Title:

  	
  Vice President

  
	
   

  	
   

  	
   

  
						



 











 


	
  

  	
  Address for
  Notices for all Subsidiary Guarantors and Subsidiary Pledgors:

  
	
   

  	
   

  
	
   

  	
  c/o Iron
  Mountain Incorporated

  
	
   

  	
  745 Atlantic
  Avenue

  
	
   

  	
  Boston,
  Massachusetts 02111

  
	
   

  	
  Attention: John
  P. Lawrence

  
	
   

  	
  Senior Vice
  President and Treasurer

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Copy to:

  
	
   

  	
   

  
	
   

  	
  Sullivan &
  Worcester LLP

  
	
   

  	
  One Post Office
  Square

  
	
   

  	
  Boston,
  Massachusetts 02109

  
	
   

  	
  Attention: Harry
  E. Ekblom, Jr.

  
	
   

  	
  Telecopy Number:
  (617) 338-2880

  



 











 


	
  ADMINISTRATIVE AGENTS

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  JPMORGAN CHASE
  BANK,

  	
   

  	
   

  
	
  as
  Administrative Agent

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  By:

  	
  /s/

  	
   

  	
   

  
	
  Name:

  	
   

  	
   

  
	
  Title:

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  JPMORGAN CHASE BANK, TORONTO BRANCH

  	
   

  
	
  as Canadian
  Administrative Agent

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  By:

  	
  /s/

  	
   

  	
   

  
	
  Name:

  	
   

  	
   

  
	
  Title:

  	
   

  	
   

  



 











Exhibit
I


ANNEX 1


PLEDGED STOCK


See Section 3(c)


	
  Issuer

  	
   

  	
  Certificate

  Nos.

  	
   

  	
  Registered

  Owner

  	
   

  	
  Number of 

  Shares

  	
   

  	
  % of Total 

  Shares

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Iron Mountain Information Management, Inc.

  	
   

  	
  5

  	
   

  	
  the Company

  	
   

  	
  10,000 shares of common
  stock, par value $.01 per share (“IMIM common stock”)

  	
   

  	
  99.97

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Iron Mountain Information Management, Inc.

  	
   

  	
  6

  	
   

  	
  the Company

  	
   

  	
  One share of IMIM
  common stock

  	
   

  	
  .01

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Iron Mountain Information Management, Inc.

  	
   

  	
  7

  	
   

  	
  the Company

  	
   

  	
  One share of IMIM
  common stock

  	
   

  	
  .01

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Iron Mountain Information Management, Inc.

  	
   

  	
  8

  	
   

  	
  the Company

  	
   

  	
  One share of IMIM
  common stock

  	
   

  	
  .01

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Iron Mountain Information Management Inc.

  	
   

  	
  3

  	
   

  	
  the Company

  	
   

  	
  12,500 shares of
  preferred stock, par value $.01 per share

  	
   

  	
  100

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Iron Mountain Records Management (Puerto Rico), Inc.

  	
   

  	
  1

  	
   

  	
  the Company

  	
   

  	
  66,666

  	
   

  	
  66

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Archivex Limited

  	
   

  	
  4

  	
   

  	
  the Company

  	
   

  	
  66

  	
   

  	
  66

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Treeline Services Corporation

  	
   

  	
  2

  	
   

  	
  the Company

  	
   

  	
  100

  	
   

  	
  100

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Iron Mountain PLE Limited (f/k/a Pierce Leahy Europe, Limited)

  	
   

  	
  N/A

  	
   

  	
  the Company

  	
   

  	
  N/A

  	
   

  	
  66

  	
  %

  



 











Exhibit
II


ANNEX 1


PLEDGED STOCK


See Section 3(d)


	
  Issuer

  	
   

  	
  Certificate Nos. 

  / Other Stock

  Identification

  	
   

  	
  Registered 

  Owner

  	
   

  	
  Number of

  Shares

  	
   

  	
  Percentage of 

  Total Shares

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Pledgor: IRON MOUNTAIN
  INFORMATION MANAGEMENT INC. (“IMIM”)

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  COMAC, INC.

  	
   

  	
  3

  	
   

  	
  IMIM

  	
   

  	
  100

  	
   

  	
  100

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN INTELLECTUAL PROPERTY MANAGEMENT INC. (f/k/a DSI
  Technology Escrow Services, Inc.)

  	
   

  	
  3

  	
   

  	
  IMIM

  	
   

  	
  100

  	
   

  	
  100

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  MOUNTAIN REAL ESTATE ASSETS, INC.

  	
   

  	
  1

  	
   

  	
  IMIM

  	
   

  	
  100

  	
   

  	
  100

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN GLOBAL, INC.

  	
   

  	
  1

  	
   

  	
  IMIM

  	
   

  	
  100

  	
   

  	
  97.09

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN GLOBAL, INC.

  	
   

  	
  2

  	
   

  	
  IMIM

  	
   

  	
  1

  	
   

  	
  .97

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN GLOBAL, INC.

  	
   

  	
  3

  	
   

  	
  IMIM

  	
   

  	
  1

  	
   

  	
  .97

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN GLOBAL, INC.

  	
   

  	
  4

  	
   

  	
  IMIM

  	
   

  	
  1

  	
   

  	
  .97

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN GOVERNMENT SERVICES, INC. (f/k/a Mountain Reserve II,
  Inc.)

  	
   

  	
  1

  	
   

  	
  IMIM

  	
   

  	
  100

  	
   

  	
  100

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  NETTLEBED ACQUISITION CORP.

  	
   

  	
  C002

  	
   

  	
  IMIM

  	
   

  	
  100

  	
   

  	
  100

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  MOUNTAIN RESERVE III, INC.

  	
   

  	
  1

  	
   

  	
  IMIM

  	
   

  	
  100

  	
   

  	
  100

  	
  %

  



 











 


	
  Issuer

  	
   

  	
  Certificate Nos. 

  / Other Stock

  Identification

  	
   

  	
  Registered 

  Owner

  	
   

  	
  Number of

  Shares

  	
   

  	
  Percentage of 

  Total Shares

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN DIGITAL S.A.S.

  	
   

  	
  N/A

  	
   

  	
  IMIM

  	
   

  	
  N/A

  	
   

  	
  66

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN DIGITAL LIMITED

  	
   

  	
  TBD

  	
   

  	
  IMIM

  	
   

  	
  TBD

  	
   

  	
  66

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN DIGITAL GMBH

  	
   

  	
  N/A

  	
   

  	
  IMIM

  	
   

  	
  N/A

  	
   

  	
  66

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Pledgor:
  IRON MOUNTAIN GLOBAL, INC. (“IMGI”)

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN GLOBAL LLC

  	
   

  	
  N/A

  	
   

  	
  IMGI

  	
   

  	
  N/A

  	
   

  	
  100

  	
  %

  
	
  IRON MOUNTAIN MEXICO, S.A. de R.L. de C.V.

  	
   

  	
  4

  	
   

  	
  IMGI

  	
   

  	
  23, 640,408

  	
   

  	
  65.934

  	
  %

  
	
  IRON MOUNTAIN CAYMAN LTD.

  	
   

  	
  4

  	
   

  	
  IMGI

  	
   

  	
  66

  	
   

  	
  16.50

  	
  %

  
	
  IRON MOUNTAIN CAYMAN LTD.

  	
   

  	
  5

  	
   

  	
  IMGI

  	
   

  	
  66

  	
   

  	
  16.50

  	
  %

  
	
  IRON MOUNTAIN CAYMAN LTD.

  	
   

  	
  7

  	
   

  	
  IMGI

  	
   

  	
  66

  	
   

  	
  16.50

  	
  %

  
	
  IRON MOUNTAIN CAYMAN LTD.

  	
   

  	
  9

  	
   

  	
  IMGI

  	
   

  	
  66

  	
   

  	
  16.50

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Pledgor:
  IRON MOUNTAIN GLOBAL LLC (“IMG LLC”)

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN MEXICO, S.A. de R.L. de C.V.

  	
   

  	
  1

  	
   

  	
  IMG LLC

  	
   

  	
  1,980

  	
   

  	
  0.066

  	
  %

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  Pledgor:TREELINE
  SERVICES CORPORATION (“TSC”)

  
	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  	
   

  
	
  IRON MOUNTAIN CANADA CORPORATION

  	
   

  	
  7

  	
   

  	
  TSC

  	
   

  	
  869

  	
   

  	
  66

  	
  %

  
	
  IRON MOUNTAIN NOVA SCOTIA FINANCE COMPANY

  	
   

  	
  4

  	
   

  	
  TSC

  	
   

  	
  66

  	
   

  	
  66

  	
  %