premise: Any disclosure of any Confidential Information to the Receiving Party made during the Initial Term shall continue to be subject to this Agreement for a period of 2 years thereafter, provided that any trade secret shall be entitled to protection for the life of the trade secret. 5.3 Subject to section 5.4, within 10 days of a written request by the Disclosing Party, the Receiving Party shall, unless otherwise precluded by any legal obligation: (a) return to the Disclosing Party or destroy all of the Disclosing Party’s original tangible Confidential Information, together with all tangible copies and reproductions; (b) subject to subsection 5.3(c), make its best efforts to delete all electronic copies of the Confidential Information received from the Disclosing Party; (c) safeguard any electronic Confidential Information that cannot be destroyed due to the Receiving Party’s archiving practices or policies with the same degree of care as it would its own Confidential Information; and (d) retain electronic Confidential Information described in subsection 5.3(c) only for the period it normally maintains such records, which electronic Confidential Information shall remain subject to the provisions of this Agreement until destroyed. 5.4 Notwithstanding anything in section 5.3, the Receiving Party shall not be obliged to return or destroy any derivative materials or reports prepared by the Receiving Party for the Permitted Purpose, which materials and reports shall nonetheless remain subject to the confidentiality obligations in this Agreement.