Formation of Subsidiaries. Borrower will, at the time that Parent or any Loan Party forms any direct or indirect Subsidiary or acquires any direct or indirect Subsidiary after the Closing Date (in each case, other than a Subsidiary that is an Immaterial Subsidiary), or at any time that any Subsidiary that was an Immaterial Subsidiary ceases to be an Immaterial Subsidiary, within 10 days (or, with respect to SignalDemand, Inc., a Delaware corporation, 30 days) of such formation or acquisition or the date such Subsidiary ceases to be an Immaterial Subsidiary (or such later date as permitted by Agent in its sole discretion) # cause such Subsidiary to provide to Agent a guaranty of the Obligations, together with such security documents (including Mortgages with respect to any Real Property owned in fee of such new Subsidiary with a fair market value greater than ​), as well as appropriate financing statements (and with respect to all property subject to a mortgage, fixture filings), all in form and substance reasonably satisfactory to Agent (including being sufficient to grant Agent a first priority Lien (subject to Permitted Liens) in and to the assets of such newly formed or acquired Subsidiary to secure its guaranty of the Obligations); provided, that such guaranty and such security documents shall not be required to be provided to Agent with respect to any Subsidiary of Parent that is a CFC if providing such agreements # would result in adverse tax consequences, # would be prohibited under applicable law or # the costs to the Loan Parties of providing such guaranty or security agreements are unreasonably excessive (as determined by Agent in consultation with Borrower) in relation to the benefits to Agent and the Lenders of the security or guarantee afforded thereby, # provide, or cause the applicable Loan Party or Parent to provide, to Agent a pledge agreement (or an addendum to the Guaranty and Security Agreement or Pledge Agreement to the extent the applicable Loan Party is a party thereto) and appropriate certificates and powers or financing statements, pledging all of the direct or beneficial ownership interest in such new Subsidiary in form and substance reasonably satisfactory to Agent in order to secure the Obligations; provided, that only 65% of the total outstanding voting Equity Interests of any first tier Subsidiary of Parent that is a CFC (and none of the Equity Interests of any Subsidiary of such CFC) shall be required to be pledged if pledging a greater amount would result in adverse tax consequences or the costs to the Loan Parties of providing such pledge are unreasonably excessive (as determined by Agent in consultation with Borrower) in relation to the benefits to Agent and the Lenders of the security afforded thereby (which pledge, if reasonably requested by Agent, shall be governed by the laws of the jurisdiction of such Subsidiary), and # provide to Agent all other documentation, including one or more opinions of counsel reasonably satisfactory to Agent, which, in its reasonable opinion, is appropriate with respect to the execution and delivery of the applicable documentation referred to above (including policies of title insurance or other documentation with respect to all Real Property owned in fee and subject to a Mortgage). Any document, agreement, or instrument executed or issued pursuant to this [Section 5.11] shall constitute a Loan Document. Notwithstanding any other provision of this Agreement, the parties hereto acknowledge that they have agreed to defer compliance with applicable requirements of German and English law with respect to the granting and perfection of security interests in the Equity Interests of ​ Germany and ​ Europe, and any representation or warranty set forth herein with respect to the creation or perfection of such security interests or compliance with German or English law with respect to such creation or perfection is so qualified; provided, that if at any time # the revenue of ​ Germany or ​ Europe for the most recently ended twelve month period is more than ​ or # the revenue of ​ Germany and ​ Europe for the most recently ended twelve month period (when aggregated with the revenue for all other Subsidiaries of Parent that are CFCs for such twelve month period) is more than 20% of the revenue of the Parent and its Subsidiaries on a consolidated basis for such twelve month period, Borrower shall be required to provide a pledge under applicable German and English law in form and substance reasonably satisfactory to Agent of 65% of the outstanding voting Equity Interests of ​ Germany and ​ Europe as set forth in this [Section 5.11].