This excerpt taken from the KDN 8-K filed May 12, 2008.
xpiration of Options. Each Option shall terminate and cease to be exercisable on the first to occur of the following events:
(i) the date which is the tenth (10th) anniversary of the applicable Grant Date unless earlier terminated pursuant to clause (iii) below or pursuant to the terms of the applicable Option Agreement;
(ii) the expiration of one (1) month from the date of a person’s Termination of Service for any reason other than death, Disability or Retirement; or
(iii) the expiration of five (5) years from the date of a person’s death, whether before or after a Termination of Service.