I've been asked to send the layer files for the motion graphics work I've done. Is this standard practice?

Here's the contract terms they say I must follow:

7. RETURN OF RECORDS. Upon termination of this Agreement, Contractor shall deliver all records, notes, data, memoranda, models, and equipment of any nature that are in the Contractors control and are _ property or relate to _'s business.

10. PRODUCT OWNERSHIP. The Contractor acknowledges that the product developed for _ under their agreement is a valuable, special and unique asset of _. The Contractor shall not, during or after the term of this Agreement, disclose this intent or any part thereof to any person, firm, corporation, association or other entity for any reason or purpose whatsoever. In the event of a breach or threatened breach by the Contractor of the provisions of this paragraph, _ shall be entitled to an injunction restraining the Contractor from disclosing, in whole or in part, the product or from rendering any services to any person, firm, corporation, association, or other entity to whom such intent, in whole or in part, has been disclosed or is threatened to be disclosed. Nothing herein shall be construed as prohibiting _ from pursuing any other remedies available to _ for such breach or threatened breach, including the recovery of damages from the Contractor.