b)The Borrower undertakes that if, subject to the consent of the Lenders pursuant to paragraph (a) above, it enters into any agreement containing ranking provisions, negative pledge provisions or cross default provisions which are more favourable to the lenders or finance parties thereunder than the relevant provisions contained in this Agreement, the Borrower shall, as soon as practicable after request from the ECA Agent, enter into an amendment agreement to this Agreement so that such more favourable ranking provisions, negative pledge provisions or cross default provisions are granted to the Lenders and the other Finance Parties pursuant to this Agreement.