1. GIGADATA

Serial Number: 78340983
Owner: (REGISTRANT) TDS Telecommunications Corporation CORPORATION DELAWARE 525 Junction Road Madison WISCONSIN 53717
Filed on: 12/15/2003

2. MAXDATA

Serial Number: 78954064
Owner: (REGISTRANT) TDS Telecommunications Corporation CORPORATION DELAWARE 525 Junction Road Madison WISCONSIN 53717
Filed on: 08/17/2006

3. MEGADATA

Serial Number: 77948093
Owner: (REGISTRANT) TDS Telecommunications Corporation CORPORATION DELAWARE 525 Junction Road Madison WISCONSIN 53717
Filed on: 03/02/2010

4. N

Serial Number: 78833772
Owner: (REGISTRANT) TDS Telecommunications Corporation CORPORATION DELAWARE 525 Junction Road Madison WISCONSIN 53717
Filed on: 03/09/2006

5. N NET-GENIUS N-POWERED BY TDS

Serial Number: 78833692
Owner: (REGISTRANT) TDS Telecommunications Corporation CORPORATION DELAWARE 525 Junction Road Madison WISCONSIN 53717

(LAST LISTED OWNER) TELEPHONE AND DATA SYSTEMS, INC. CORPORATION DELAWARE 30 NORTH LASALLE STREET, SUITE 4000 CHICAGO ILLINOIS 60602

Filed on: 03/09/2006

6. XDATA

Serial Number: 78270284
Owner: (REGISTRANT) TDS Telecommunications Corporation CORPORATION DELAWARE 525 Junction Road Madison WISCONSIN 53717
Filed on: 07/03/2003

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