This excerpt taken from the DE 10-Q filed Feb 28, 2008.
Section 10. Amendment, Modification and Termination of the Plan
10.1 Amendment, Modification and Termination of the Plan. The Committee, at any time may terminate, and at any time and from time to time and in any respect, may amend or modify the Plan, provided, however, that no such action of the Committee, without approval of the Participant, may adversely affect in any way any amounts already deferred pursuant to Section 4.1 of this Plan.