4.4 The Authority will co-operate with Project Co in relation to any High Value Change Stage 2 Submission being developed by Project Co, 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 Project Co to enable it to satisfy the requirements of paragraph 4.3 of this Section 4 (High Value Changes).