1. A

Serial Number: 78827302
Owner: (REGISTRANT) COLUMBIA INSURANCE COMPANY CORPORATION NEBRASKA 3024 HARNEY STREET OMAHA NEBRASKA 681313580
Filed on: 03/02/2006

2. EPA PRESIDENTIAL GREEN CHEMISTRY AWARD WINNER ENVIRONMENTALLY PREFERABLE PRODUCT

Serial Number: 78443310
Owner: (REGISTRANT) COLUMBIA INSURANCE COMPANY CORPORATION NEBRASKA 3024 HARNEY STREET OMAHA NEBRASKA 681313580
Filed on: 06/29/2004

3. N6

Serial Number: 77141572
Owner: (REGISTRANT) Columbia Insurance Company CORPORATION NEBRASKA 3024 Harney Street Omaha NEBRASKA 681313580
Filed on: 03/27/2007

4. S

Serial Number: 78332101
Owner: (REGISTRANT) COLUMBIA INSURANCE COMPANY CORPORATION NEBRASKA 3024 HARNEY STREET OMAHA NEBRASKA 681313580
Filed on: 11/24/2003

5. TOUCHABLE T-E-X-T-U-R-E REGISTERED EMBOSSING TECHNOLOGY SHAW

Serial Number: 78412868
Owner: (REGISTRANT) COLUMBIA INSURANCE COMPANY CORPORATION NEBRASKA 3024 HARNEY STREET OMAHA NEBRASKA 681313580
Filed on: 05/04/2004

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