premise: 2. Subject to the provisions of Clauses 4 and 7 hereof, the Receiving Party undertakes: (a) to keep confidential and not disclose to any third party, except with the written permission of the Disclosing Party, any part, or the whole, of any Proprietary Information disclosed to it under this Agreement; (b) not to copy Proprietary Information disclosed to it under this Agreement except as is reasonably necessary for the Purpose;