Contractor’s Pre-existing Works A. To the extent that Contractor incorporates into the Work Product any works of Contractor that were created by Contractor or that Contractor acquired rights in prior to the Effective Date of this Contract (“Incorporated Pre-existing Works”), Contractor retains ownership of such Incorporated Pre-existing Works. B. Contractor hereby grants to System Agency an irrevocable, perpetual, non-exclusive, royalty-free, transferable, worldwide right and license, with the right to sublicense, to use, reproduce, modify, copy, create derivative works of, publish, publicly perform and display, sell, offer to sell, make and have made, the Incorporated Pre-existing Works, in any medium, with or without the associated Work Product. C. Contractor represents, warrants, and covenants to System Agency that Contractor has all necessary right and authority to grant the foregoing license in the Incorporated Pre- existing Works to System Agency.