premise: 4. The receiving Party hereby covenants that, during the validity period of this Agreement and for a period of five (5) years after its end or its termination, the Proprietary Information received from the disclosing Party shall: (a) be protected and kept in strict confidence by the receiving Party which must use the same degree of precaution and safeguards as it uses to protect its own proprietary information of like importance, but in no case any less than reasonable care, (b) be only disclosed to and used by those persons who have a need to know and solely for the purpose specified in this Agreement, within the receiving Party's organisation and to its professional advisors, provided that in this latter case the disclosing Party so notifies the other Party and obtains the authorization from the other Party to make such disclosure, such authorization not being unreasonably withheld, and provided that such advisor(s) agree(s) to be bound by the terms and conditions of this Agreement. 