Pledgor shall and shall cause Borrower to preserve and maintain its existence and all of its material rights, privileges and franchises; provided , however , that Pledgor may convert its form of organization or the form of organization of Borrower to the extent expressly permitted by the Loan Agreement and only upon satisfaction of the conditions set forth therein. Pledgor shall comply and cause Borrower to comply with the requirements of all applicable laws, rules, regulations and orders of governmental or regulatory authorities; and pay and discharge or cause Borrower to pay or discharge all taxes, assessments and governmental charges or levies imposed on it or on its income or profits or on any of their property prior to the date on which penalties attach thereto, except for any such tax, assessment, charge or levy the payment of which is being contested in good faith and by proper proceedings.