Confidentiality and announcements
18.1 The Supplier shall keep confidential all Confidential Information of Hafod and shall only use the same as required to perform the Contract. The provisions of this clause shall not apply to:
18.1.1 subject to clause 18.4, any information which was in the public domain at the date of the Contract;
18.1.2 subject to clause 18.4, any information which comes into the public domain subsequently other than as a consequence of any breach of the Contract or any related agreement;
18.1.3 subject to clause 18.4, any information which is independently developed by the Supplier without using information supplied by Hafod; or
18.1.4 any disclosure required by law or a regulatory authority or otherwise by the provisions of the Contract.
18.2 This clause shall remain in force for a period of 5 years from the date of the Contract and, if longer, 3 years after termination of the Contract.
18.3 Subject to clause 18.4, the Supplier shall not make any public announcement or disclose any information regarding the Contract, except to the extent required by law or regulatory authority.
18.4 To the extent any Confidential Information is Protected Data such Confidential Information may be disclosed or used only to the extent such disclosure or use is in compliance with and does not conflict with the provisions of clause 19.