This Agreement may not be assigned without the express prior written consent of the other parties hereto, and any attempted assignment, without such consents, shall be null and void; provided , however , that, without the prior written consent of any other party hereto, (i) a Sponsor Holder may assign its rights and obligations under this Agreement, in whole or in part, to any Transferee of Registrable Securities so long as such Transferee, if not already a party to this Agreement, executes and delivers to the Company a joinder to this Agreement, substantially in the form of Exhibit A , and upon such Transfer such transferee shall be deemed a “Sponsor Holder” hereunder; and (ii) any Non-Sponsor Holder may assign its rights and obligations under this Agreement, in whole or in part, to any Transferee of Registrable Securities that is an Affiliate of such Non-Sponsor Holder or a members of its Family Group, so long as such Transferee, if not already a party to this Agreement, executes and delivers to the Company a joinder to this Agreement, substantially in the form of Exhibit B , whereupon such Person shall be deemed a “Non-Sponsor Holder” hereunder. This Agreement shall inure to the benefit of and be binding on the parties hereto and their respective successors and permitted assigns.