The Subscriber hereby acknowledges and agrees that the subscription hereunder, subject to the terms and conditions hereof, is irrevocable by the Subscriber, except as required by applicable law, and that this Purchase Agreement shall survive the death or disability of the Subscriber and shall be binding upon and inure to the benefit of the parties and their heirs, executors, administrators, successors, legal representatives and permitted assigns. If the Subscriber is more than one Person, the obligations of the Subscriber hereunder shall be joint and several and the agreements, representations, warranties and acknowledgments herein shall be deemed to be made by and be binding upon each such Person and such Person’s heirs, executors, administrators, successors, legal representatives and permitted assigns.