Each of the Board and the Committee shall have the right and power at any time, and from time to time, subject to thirty (30) days advance written notice to all adversely affected Covered Executives (which written notice may be satisfied by any public filing of such plan amendment or termination), to amend or terminate this Plan, in whole or in part; provided, that no such amendment or termination shall adversely affect in any material respect the rights of any Covered Executive to whom severance benefits under this Plan became payable prior to the date of such amendment or termination.