Amendments. No modification, amendment, addition, alteration or waiver of any of the terms, covenants or conditions hereof shall be effective unless made in writing and duly executed by the Corporation and the Employee.

Amendment, Modification or Waiver. No provision of this Agreement may be amended or waived, unless such amendment or waiver is agreed to in writing, signed by Employee and by a duly authorized officer of the Company. No waiver by any party hereto of any breach by another party hereto of any condition or provision of this Agreement to be performed by such other party will be deemed a waiver of a similar or dissimilar condition or provision at the same time, any prior time or any subsequent time.

Amendments. No amendment or modification of the terms of this Agreement shall be valid unless made in writing and signed by both Executive and Employer.