Neither Party may assign or transfer its rights or obligations under this Agreement without the prior written consent of the other Party; except that without such prior written consent either Party may make such assignment or transfer to (a) an Affiliate or (b) to a Third Party acquirer in a Change of Control, in each case whether in a merger, sale of stock, sale of assets or any other transaction, in each case involving all or substantially all of the business to which this Agreement relates. Any purported assignment in contravention of this Section 15.3 shall be null and void and of no effect. No assignment or transfer shall release either Party from responsibility for the performance of any accrued obligation of such Party hereunder. This Agreement and t he Parties’ rights and obligations hereunder inure to the benefit of and shall be binding upon and enforceable against the successor to or any permitted assignee or transferee from either of the Parties.