Parent shall cause each of its present or future direct or indirect Subsidiaries to execute a joinder to this Agreement with the intent that the assets and operations of any such Subsidiaries shall be subject to the claims of the Investors and Collateral Agent if a Recourse Trigger occurs, execute a supplement to the Security Agreement in the form of Exhibit A to the Security Agreement (the “ Security Agreement Supplement ”) and grant a security interest pursuant thereto and execute a Patent Security Agreement or such other Collateral Documents reasonably requested by the Collateral Agent.