X0202 5 2005-12-31 0 0 0001020569 IRON MOUNTAIN INC IRM 0001218784 RYAN VINCENT J 745 ATLANTIC AVENUE BOSTON MA 02111 1 0 0 0 Common Stock, par value, $.01 per share 2005-11-30 5 G 0 750 0 D 4692859 I Shares held as part of the Vincent J. Ryan Revocable Trust, dated 12/24/87. Common Stock, par value, $.01 per share 0 I Shares held by Mr. Ryan's wife Common Stock, par value, $.01 per share 241787 I Shares held in the Carla E. Meyer Three-Year Annuity Trust, dated August 4, 2003 ("Meyer 2003 Trust" Common Stock, par value, $.01 per share 208213 I Shares held by the Carla E. Meyer Revocable Trust, dated December 7, 2001 ("Meyer 2001 Trust") Common Stock, par value, $.01 per share 6156171 I Shares held by Schooner Capital Trust ("Schooner Trust") Common Stock, par value, $.01 per share 114799 I Shares held by the Schooner Foundation Common Stock, par value, $.01 per share 13500 I Shares held in the name of Citibank, South Dakota, Trustee of the Ryan 1998 Issue Trust On December 13, 2004, Carla E. Meyer transferred 97,756 shares held in her name to The Carla M. Meyer Revocable Trust, dated December 7, 2001 ("Meyer 2001 Trust"). Carla E. Meyer no longer holds any shares of Iron Mountain Common Stock in her name, individually. On August 3, 2005, The Carla E. Meyer Three-Year Annuity Trust, dated August 4, 2003 ("Meyer 2003 Trust") transferred 110,457 shares of Iron Mountain Common Stock to the Meyer 2001 Trust. Pursuant to a deferred compensation arrangement relating to Mr. C. Richard Reese's former services as President to a predecessor entity to Schooner, upon the earlier to occur (i) Schooner's sale substantially all of the shares of Iron Mountain Common Stock held by Schooner and (ii) the cessation of Mr. Reese's employment with Iron Mountain Incorporated, Schooner is required to transfer 1,967,059 shares of Iron Mountain Common Stock to Mr. Reese or remit to Mr. Reese cash in the amount equal to the then current fair market value of such shares of Iron Mountain Common Stock. The Schooner Foundation has made the following charitable gifts of shares of Iron Mountain Common Stock: 16,397 shares on 1/12/05, 709 shares on 1/28/05, 164 shares on 3/4/05, 3,305 shares on 4/19/05, 8,998 shares on 6/22/05, 683 shares on 6/28/05, 1,794 shares on 8/2/05, 1,605 shares on 11/2/05, 2,273 shares on 12/20/05 and 2,273 shares on 12/21/05. Clare A. Dever, under Power of Attorney dated September 3, 2002 from Vincent J. Ryan. 2006-02-10