4.4 The Authority will co-operate with Sub-hubco in relation to any High Value Change Stage 2 Submission being developed by Sub-hubco, including (without limitation) promptly providing:
4.4.1 written confirmation of the Target Cost and/or High Value Change Requirements and any change to such Target Cost and/or High Value Change Requirements; and
4.4.2 any information reasonably required by Sub-hubco to enable it to satisfy the requirements of paragraph 4.3 of this Section 4 (High Value Changes).