(a) Execute any and all further documents, financing statements, agreements and instruments, and take all such further actions (including the filing and recording of financing statements and other documents and recordings of Liens in stock registries), that may be required under any applicable law, or that the Collateral Agent may reasonably request, to satisfy the Collateral and Guarantee Requirement and to cause the Collateral and Guarantee Requirement to be and remain satisfied, all at the expense of the Borrower, and provide to the Collateral Agent, from time to time upon reasonable request, evidence reasonably satisfactory to the Collateral Agent as to the perfection and priority of the Liens created or intended to be created by the Security Documents.