First Lien Creditor and Second Lien Creditor each agrees to take such further action and shall execute and deliver such additional documents and instruments (in recordable form, if requested) as First Lien Creditor or Second Lien Creditor may reasonably request to effectuate the terms of and the Lien priorities contemplated by this Agreement, all at the expense of the Debtor. In furtherance of the foregoing, (a) the First Lien Creditor agrees that, if there is a Refinancing of the Second Lien Debt and if the agent or other representative of the holders of the indebtedness that Refinances the Second Lien Debt so requests, it will execute and deliver either an acknowledgement of the joinder of such agent or representative to this Agreement or an agreement with such agent or representative identical to this Agreement (subject to changing names of parties, documents and addresses, as appropriate) in favor of any such agent or representative, and (b) the Second Lien Creditor agrees that, (i) if there is a Refinancing of the First Lien Debt and if the agent or other representative of the holders of the indebtedness that Refinances the First Lien Debt so requests, it will execute and deliver either an acknowledgement of the joinder of such agent or representative to this Agreement or an agreement with such agent or representative identical to this Agreement (subject to changing names of parties, documents and addresses, as appropriate) in favor of any such agent or representative.