Iron Mountain Incorporated to Expand its Board of Directors
Company Selects Laurie Tucker of FedEx Corporate Services, Inc.

Boston, MA - February 27, 2007 - Iron Mountain Incorporated (NYSE: IRM), the global leader in information protection and storage services, today announced that it is expanding its board of directors from seven seats to eight seats. Following a thorough recruiting process, Laurie Tucker, Senior Vice President of Marketing at FedEx Corporate Services, Inc. (NYSE: FDX), has been selected to fill the newly created seat. Ms. Tucker is expected to be formally elected to the board at its March 1, 2007 meeting and will assume her responsibilities immediately thereafter.

"We are tremendously excited to have Laurie join Iron Mountain's Board of Directors," said Richard Reese, Chairman and Chief Executive Officer at Iron Mountain. "Laurie has grown with FedEx as the company itself progressed through many different stages of development. I know we will benefit greatly from her experience, as well as her expertise in marketing a business-to-business services company, particularly one as well-respected as FedEx."

Ms. Tucker joined FedEx in 1978 as a financial analyst and since then, has gained experience across many facets of the business. Today, Ms. Tucker is responsible for developing marketing strategy, product research and development, brand management, advertising, retail, sponsorship marketing, business alliances, e-commerce, and customer experience management. Also active in the community, Ms. Tucker is on the University of Memphis' Board of Visitors, which is where she earned both her B.A. and M.B.A. She is also the FedEx co-chair for the March of Dimes and has been a United Way Alexis de Tocqueville Society member since 1998.

About Iron Mountain

Iron Mountain Incorporated (NYSE:IRM) helps organizations around the world reduce the costs and risks associated with information protection and storage. The company offers comprehensive records management and data protection solutions, along with the expertise and experience to address complex information challenges such as rising storage costs, litigation, regulatory compliance and disaster recovery. Founded in 1951, Iron Mountain is a trusted partner to more than 90,000 corporate clients throughout North America, Europe, Latin American and Asia Pacific. For more information, visit the company's Web site at www.ironmountain.com.