This excerpt taken from the PWER DEF 14A filed Mar 14, 2008.
4. SHARES OF COMMON STOCK SUBJECT TO THE PLAN; SHARE LIMITS
does not apply, however, to shares delivered in respect of compensation earned but deferred.
Each of the foregoing numerical limits is subject to adjustment as contemplated by Section 4.3, Section 7.1, and Section 8.10.
time) unless the total number purchased or exercised is the total number at the time available for purchase or exercise under the award.