This Agreement may not be varied, altered, modified or in any way amended except by an instrument in writing executed by the parties hereto or their legal representatives.  In this regard, the Employer may, in its sole discretion, elect to amend this Agreement to extend (but not reduce) the time period or term within which of severance benefits may be due by changing the date from December 31, 2018 to a later date.  To be effective, any such change to increase the time period or term in which severance benefits may become payable must be memorialized in writing, approved by the Board of Parkway or its Successor, and signed by President & CEO of the Employer and the Employee.