1. DELTA CIRCUITWORKS

Serial Number: 76470881
Owner: (REGISTRANT) Delta Education, LLC LIMITED LIABILITY COMPANY DELAWARE 80 Northwest Blvd. Nashua NEW HAMPSHIRE 03063
Filed on: 11/29/2002

2. DELTA EDUCATION

Serial Number: 76446426
Owner: (REGISTRANT) Delta Education, LLC LIMITED LIABILITY COMPANY DELAWARE 80 Northwest Blvd. Nashua NEW HAMPSHIRE 03063
Filed on: 09/03/2002

3. DELTA SCIENCE MODULE

Serial Number: 76456472
Owner: (REGISTRANT) DELTA EDUCATION, LLC LIMITED LIABILITY COMPANY DELAWARE 80 Northwest Blvd. Nashua NEW HAMPSHIRE 03063
Filed on: 10/07/2002

4. DIAL-A-SHAPE

Serial Number: 76184139
Owner: (REGISTRANT) Delta Education, LLC LIMITED LIABILITY COMPANY DELAWARE 80 Northwest Blvd. Nashua NEW HAMPSHIRE 03063
Filed on: 12/20/2000

5. DIAL-A-VARIABLE

Serial Number: 76184138
Owner: (REGISTRANT) Delta Education, LLC LIMITED LIABILITY COMPANY DELAWARE 80 Northwest Blvd. Nashua NEW HAMPSHIRE 03063
Filed on: 12/20/2000

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