Unassociated Document
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 2, 2007

IRON MOUNTAIN INCORPORATED
(Exact name of registrant as specified in its charter)

DELAWARE
(State or other jurisdiction of incorporation)
 
1-13045
23-2588479
(Commission File Number)
(IRS Employer Identification No.)
   

745 Atlantic Avenue
Boston, Massachusetts 02111
(Address of principal executive offices, including zip code)

(617) 535-4766
(Registrant's telephone number, including area code)


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
 
o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
 
o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
 
o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
 
o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e- 4(c))
 


Item 7.01. Regulation FD Disclosure.

On October 2, 2007, the Company issued a press release setting forth the Company's financial guidance for the quarter ending September 30, 2007 and the full year ending December 31, 2007. In addition, the Company outlined its financial performance expectations for its fiscal year ending December 31, 2008. A copy of the Company's press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d)  Exhibits

99.1    Press Release of Iron Mountain Incorporated dated October 2, 2007 (filed herewith).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
 
     
  IRON MOUNTAIN INCORPORATED
  (Registrant)
 
 
 
 
 
 
  By:   /s/ Brian McKeon
 
 Name: Brian McKeon
  Title: EVP and Chief Financial Officer
   
Date: October 2, 2007