One Stone shall execute and deliver (i) an assignment of membership interests in form and substance reasonably satisfactory to Magellan to convey 100% of the outstanding Poplar Membership Interests to One Stone; (ii) an assignment of common units in form and substance reasonably satisfactory to Magellan to convey the Purchased Utah CO2 Common Units to One Stone; and (iii) an assignment and assumption agreement or agreements in form and substance reasonably satisfactory to Magellan to assign the Required Assigned Contract to One Stone.