"Neither this Agreement nor any of the rights, interests, or obliga-tions under this Agreement may be assigned by any party without the prior written consent of ... , except that each party may assign, in its sole discretion, but without being released from its obliga-tions hereunder, any or all of its rights or interests or performance of its obligations under this Agreement (other than those arising under Section 8) to any direct or indirect wholly owned subsidiary of such party and only as long as it remains a subsidiary."