Until completion of a novation pursuant to Clause 4.5 (unless the terms of such novation expressly preserve an obligation or liability of Project Co), Project Co shall continue to be liable for all its obligations and liabilities, whenever occurring, under or arising from the Service Contract notwithstanding:
5.2.1 the service of a Step-in Notice or the issue of a Step-in Undertaking or the expiry of the Step-in Period or the release of a Step-in Undertaking; or
5.2.2 the service of a Proposed Novation Notice; or