3. Return of Confidential Information. Promptly upon request from PPC, Supplier shall deliver to PPC (or destroy, at the option of Supplier) all Confidential Information provided to it and any other tangible material containing, prepared on the basis of, or reflecting any such Confidential Information (whether prepared by PPC, Supplier or its Representatives or otherwise) in its possession and will not retain any copies, extracts or other reproductions, in whole or in part, of such Confidential Information. In the event Supplier elects to destroy, rather than return such Confidential Information, it shall confirm such destruction by a written certificate delivered to PPC.