UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 of 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 9, 2003 IRON MOUNTAIN INCORPORATED -------------------------- (Exact name of registrant as specified in its charter) PENNSYLVANIA ------------ (State or other jurisdiction of incorporation) 1-13045 23-2588479 ------- ---------- (Commission (IRS Employer File Number) 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) ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits. EXHIBIT NO. ITEM ----------- ---- 10 Underwriting Agreement, dated April 9, 2003, by and between the Company, certain of the Company's subsidiaries, Bear, Stearns & Co. Inc., Goldman, Sachs & Co., J.P. Morgan Securities Inc., Lehman Brothers Inc., Banc One Capital Markets, Inc., William Blair & Company, L.L.C., BNY Capital Markets, Inc., Fleet Securities, Inc., Scotia Capital (USA) Inc. and Wachovia Securities, Inc. 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/ JEAN A. BUA ------------------------------------ Name: Jean A. Bua Title: Vice President and Corporate Controller Date: April 9, 2003