Borrower shall promptly notify Lender in writing of: (1) the discovery of any Hazardous Materials on, under or about the Property and Improvements, other than those disclosed in the Reports; (2) any knowledge by Borrower that the Property and Improvements do not comply with any Hazardous Materials Laws; (3) any Hazardous Materials Claims; and (4) the discovery of any occurrence or condition on any real property adjoining or in the vicinity of the Property that could cause the Property or any part thereof to become contaminated with Hazardous Materials.