Each party (a) irrevocably and unconditionally submits to the personal jurisdiction of the federal courts of the United States District Court for the Western District of Texas or any Texas State Court sitting in Austin, Texas, (b) agrees that it will not attempt to deny or defeat such personal jurisdiction by motion or other request for leave from any such court, (c) agrees that any actions or proceedings arising in connection with this Agreement or the transactions contemplated by this Agreement shall be brought, tried and determined only in such courts, (d) waives any claim of improper venue or any claim that those courts are an inconvenient forum, and (e) agrees that it will not bring any action relating to this Agreement or the transactions contemplated by this Agreement in any court other than the aforesaid courts. The parties to this Agreement agree that the provision of notice in connection with any such action or proceeding in the manner provided in Section 4.3 or in such other manner as may be permitted by applicable law, shall be valid and sufficient service thereof.