premise: 4.2 All Confidential Information disclosed by the Disclosing Party to the Recipient or which otherwise comes to the knowledge of the Recipient, is acknowledged by the Recipient – 4.2.1 to be proprietary to the Disclosing Party and/or one or more of its Affiliates; and 4.2.2 not to confer any rights of whatsoever nature in such Confidential Information on the Recipient. 4.3  The Recipient irrevocably and unconditionally agrees and undertakes 4.3.1 to treat and safeguard the Confidential Information as strictly private, secret and confidential; 4.3.2 not to use or permit the use of the Confidential Information for any purpose other than for the Permitted Purpose and, in particular, not to use or permit the use of the Confidential Information, whether directly or indirectly, to obtain a commercial, trading, investment, financial or other advantage over the Disclosing Party and/or its Associates or otherwise use it to the detriment of the Disclosing Party and/or its Associates;