Sellers agree, upon the request of Purchaser, to execute, acknowledge and deliver such further conveyances, notices, assignments, releases and acceptances and such other instruments and to take all and every such further action as may be reasonably necessary or appropriate to obtain any necessary consents or more fully to assure to Purchaser or its successors or assigns, all of the properties, rights, titles, interests, estates, remedies, powers and privileges by this instrument granted, bargained, sold, conveyed, assigned, transferred and delivered, or otherwise vested in Purchaser or intended so to be.