The following is an article from WWE.com:
2010 Supplemental Draft announced for April 28 at Noon ET
After the chaos of random draft picks on Raw Monday night, the 8th WWE Draft will conclude Wednesday, April 28 at Noon ET, with the 2010 WWE Supplemental Draft, held exclusively on WWE.com and WWEUniverse.com.
Beginning at Noon ET, supplemental draft picks by Raw and SmackDown will be announced. The Supplemental Draft will be hosted by WWE Hall of Famer Howard Finkel.