This excerpt taken from the WFR DEF 14A filed Mar 16, 2007.
Generally, without the Compensation Committees consent, an individuals rights under the plan may not be assigned or transferred except in the event of death.
The plan will remain in effect until terminated by the Compensation Committee. The plan will continue thereafter, however, until all awards previously granted under the plan are satisfied or otherwise terminated. No awards may be granted under the plan after December 7, 2011. The Compensation Committee may at any time amend, suspend or terminate the plan. No amendment, suspension or termination, however, may adversely affect a grantees rights under any previously granted award without the consent of the grantee.
The Compensation Committee may in its discretion terminate any option or restricted share then outstanding without amendment to the plan or the award agreement and pay to the holder thereof: