1. E

Serial Number: 85291800
Owner: (REGISTRANT) Layne Christensen Company CORPORATION DELAWARE 1900 Shawnee Mission Parkway Mission Woods KANSAS 66205
Filed on: 04/11/2011

2. EVRAS

Serial Number: 85291806
Owner: (REGISTRANT) Layne Christensen Company CORPORATION DELAWARE 1900 Shawnee Mission Parkway Mission Woods KANSAS 66205
Filed on: 04/11/2011

3. I

Serial Number: 85291812
Owner: (REGISTRANT) Layne Christensen Company CORPORATION DELAWARE 1900 Shawnee Mission Parkway Mission Woods KANSAS 66205
Filed on: 04/11/2011

4. INTEGRA

Serial Number: 85291815
Owner: (REGISTRANT) Layne Christensen Company CORPORATION DELAWARE 1900 Shawnee Mission Parkway Mission Woods KANSAS 66205
Filed on: 04/11/2011

5. INTEVRAS

Serial Number: 85291818
Owner: (REGISTRANT) Layne Christensen Company CORPORATION DELAWARE 1900 Shawnee Mission Parkway Mission Woods KANSAS 66205
Filed on: 04/11/2011

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