Transunion Corp. Watch

from S-1 6 pages Second Supplemental Indenture

from 8-K 6 pages First Supplemental Indenture

from S-1/A 2 pages Number Shares Trun Transunion Transunion Corp. Incorporated Under the Laws of the State of Delaware See Reverse Side for Certain Definitions Cusip 89400q 10 1 This Certifies That Is the Owner of Fully Paid and Non-Assessable Shares of Common Stock, $0.01 Par Value, of Transunion Transferable on the Books of the Corporation by the Holder Hereof in Person or by Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned and Registered by the Transfer Agent and Registrar. in Witness Whereof, the Said Corporation Has Caused This Certificate to Be Signed by Facsimile Signatures of Its Duly Authorized Officers. Dated: Siddharth N. (Bobby) Mehta President and Chief Executive Officer John W. Blenke Corporate Secretary Countersigned and Registered by Wells Fargo Bank, N.A. Transfer Agent and Registrar Authorized Signature

from S-4 26 pages Registration Rights Agreement

from S-4 11 pages Trans Union LLC Transunion Financing Corporation 11 3/8% Senior Notes Due 2018

from S-4 146 pages Indenture Dated as of June 15, 2010 Among Trans Union LLC, Transunion Financing Corporation, the Guarantors Named on the Signature Pages Hereto and Wells Fargo Bank, National Association, as Trustee 11 3/8% Senior Notes Due 2018