1. DIAGNOSTIC LABORATORY OF OKLAHOMA

Serial Number: 76585118
Owner: (REGISTRANT) Diagnostic Laboratory of Oklahoma, L.L.C. LIMITED LIABILITY COMPANY OKLAHOMA 1001 Cornell Parkway Oklahoma City OKLAHOMA 73108
Filed on: 04/05/2004

2. DLO DIAGNOSTIC LABORATORY OF OKLAHOMA

Serial Number: 76585195
Owner: (REGISTRANT) Diagnostic Laboratory of Oklahoma, L.L.C. LIMITED LIABILITY COMPANY OKLAHOMA 1001 Cornell Parkway Oklahoma City OKLAHOMA 73108
Filed on: 04/05/2004

3. DLO DIAGNOSTIC LABORATORY OF OKLAHOMA

Serial Number: 76585120
Owner: (REGISTRANT) Diagnostic Laboratory of Oklahoma, L.L.C. LIMITED LIABILITY COMPANY OKLAHOMA 1001 Cornell Parkway Oklahoma City OKLAHOMA 73108
Filed on: 04/05/2004

4. DLO DIAGNOSTIC LABORATORY OF OKLAHOMA

Serial Number: 76585119
Owner: (REGISTRANT) Diagnostic Laboratory of Oklahoma, L.L.C. LIMITED LIABILITY COMPANY OKLAHOMA 1001 Cornell Parkway Oklahoma City OKLAHOMA 73108
Filed on: 04/05/2004

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