BOSTON--(BUSINESS WIRE)--Iron Mountain Incorporated (NYSE: IRM), the storage and information management services company, announced the tax treatment for all 2014 distributions on its common stock.                                           Record Date       PaymentDate       TotalDistribution($ per share)       Form 1099Box 1aOrdinaryTaxableDividend($ per share)       Form 1099Box 1bQualifiedTaxableDividend(1)($ per share)       Form 1099Box 3Return of Capital($ per share) Dec 27, 2013       Ja