Exhibit 24

-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, MRW8zzbuswMrgIAzX1FPpcuSwhmwZ8Nvf9LhPBuZDtVtcYGNVv5yNJYrhiEsV7bg GLN5dDFqBw6e3R0v2NtqOw== 0001104659-10-053180.txt : 20101021 0001104659-10-053180.hdr.sgml : 20101021 20101021171244 ACCESSION NUMBER: 0001104659-10-053180 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20101019 FILED AS OF DATE: 20101021 DATE AS OF CHANGE: 20101021 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LAMACH MICHAEL W CENTRAL INDEX KEY: 0001279505 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13045 FILM NUMBER: 101135542 MAIL ADDRESS: STREET 1: C/O INGERSOLL-RAND CO STREET 2: 155 CHESTNUT RIDGE ROAD CITY: MONTVALE STATE: NJ ZIP: 07645 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: IRON MOUNTAIN INC CENTRAL INDEX KEY: 0001020569 STANDARD INDUSTRIAL CLASSIFICATION: PUBLIC WAREHOUSING & STORAGE [4220] IRS NUMBER: 232588479 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 745 ATLANTIC AVENUE CITY: BOSTON STATE: MA ZIP: 02111 BUSINESS PHONE: 6175354766 MAIL ADDRESS: STREET 1: 745 ATLANTIC AVENUE CITY: BOSTON STATE: MA ZIP: 02111 FORMER COMPANY: FORMER CONFORMED NAME: IRON MOUNTAIN INC/PA DATE OF NAME CHANGE: 20000201 FORMER COMPANY: FORMER CONFORMED NAME: PIERCE LEAHY CORP DATE OF NAME CHANGE: 19960807 4 1 a4.xml 4 X0303 4 2010-10-19 0 0001020569 IRON MOUNTAIN INC IRM 0001279505 LAMACH MICHAEL W INGERSOLL RAND COMPANY 155 CHESTNUT RIDGE ROAD MONTVALE NJ 07645 1 0 0 0 Phantom Stock 2010-10-19 4 A 0 4.1106 21.86 A Common Stock 4.1106 1451.9337 D Pursuant to Mr. Lamach's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan, the shares of phantom stock become payable in cash following Mr. Lamach's disability or cessation of service as a director. Each share of phantom stock is the economic equivalent of one share of common stock. These shares give effect to dividends paid on common stock as if reinvested in phantom stock. /s/ Ernest W. Cloutier, under Power of Attorney dated September 16, 2010 from Michael W. Lamach 2010-10-21 EX-24 2 ex-24.htm EX-24 Exhibit 24

Exhibit 24

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that I, Michael W. Lamach, of Mooresville, NC, do hereby make, constitute and appoint, the Secretary and Treasurer of Iron Mountain Incorporated, as of this date being, respectively, Ernest W. Cloutier and John P. Lawrence, and the Assistant Secretaries of Iron Mountain Incorporated, as of this date being, Garry B. Watzke and Sarah Cammarata, acting singly, to be my lawful attorney-in-fact for me and to do any and all acts which I could do in connection with any filings required by Section 16 of the Securities Exchange Act of 1934, including, without limitation, the preparation, signing and filing of Forms 3, 4 and 5 (“Section 16 Filings”).

Among the powers granted to my attorney-in-fact are:

To prepare, sign and file with the Securities and Exchange Commission and the New York Stock Exchange the Section 16 Filings, in my name or stead, and any and all such further documents as he/she may deem necessary or advisable in order to carry out the required Section 16 Filings and the powers granted to him/her by these presents.

This Power of Attorney shall remain in effect until revoked by the undersigned in writing.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 16th day of September, 2010.

/s/ Michael W. Lamach
Name: Michael W. Lamach

STATE OF MASSACHUSETTS	)
	) ss.
COUNTY OF SUFFOLK	)

Then personally appeared, before me, the aforesaid Michael W. Lamach, who to me, acknowledged that the foregoing was his free act and deed,

Before me,

/s/ Maria Summa
Notary Public

My Commission Expires: September 27, 2013

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