Iron Mountain Increases Quarterly Dividend by 33% to $0.25

Iron Mountain Incorporated IRM announced today that its board of directors declared a quarterly cash dividend of $0.25 per share, or $1.00 per share on an annualized basis, at its regularly scheduled meeting held on June 10, 2011. This is an increase of 33% over the quarterly dividend previously paid. The dividend is payable on July 15, 2011 to stockholders of record on June 24, 2011.