Acknowledgment and Waiver of Unknown or Different Facts. Upon entry of the Final Order and Judgment, the Releasing Parties acknowledge, represent, covenant, and warrant that (i) they fully understand the facts on which the Settlement Agreement is executed may be different from the facts now believed by them and their counsel to be true and expressly accept and assume the risk of this possible difference in facts and agree that this Settlement Agreement remains effective despite any difference in facts that later may be discovered; and (ii) they hereby waive any right or ability to challenge the Settlement upon the discovery of any new facts, any additional Released Claims, or a change in the law regardless of why or how such facts, claims, or law was/were not otherwise known to them prior to executing and agreeing to this Settlement Agreement.