CHICAGO, IL--(Marketwire - Apr 20, 2011) - TransUnion Corp., a global leader in credit and information management services, announced today the expiration of the exchange offer by its subsidiaries, Trans Union LLC and TransUnion Financing Corporation (the "Issuers"), for their outstanding unregistered 11 ?% Senior Notes due 2018, Series A (the "Outstanding Notes"). The Outstanding Notes were issued on June 15, 2010, in a private placement exempt from the registration requirements of the Securities Act of 1933.