This excerpt taken from the EBAY 8-K filed Apr 16, 2009.
VESTING SCHEDULE
With respect to any Pre-2009 Replacement Option or 2009 Replacement Option that is granted in
exchange for the cancellation of a Company Option, the vesting schedule shall be:
1/4 of the number of shares of Parent Common Stock subject to such Pre-2009 Replacement Option or 2009 Replacement Option shall vest on the first anniversary of the date of grant of such Company Option; and
1/48 of the number of shares of Parent Common Stock subject to such Pre-2009 Replacement Option or 2009 Replacement Option shall vest on a monthly basis commencing one month after the first anniversary of the date of grant of such Company
Option.