Advertiser Premium. Each party shall have the non-exclusive ------------------- right to sell or license advertiser premium rights in the Book(s), subject to the prior approval of the other. The parties shall reasonably endeavor to co- ordinate their activities with respect to potential customers and advertisers prior to any solicitation. In the event of a sale or license of such advertiser premium rights in a Book(s), the parties shall share revenues as follows: [*]% of the net proceeds received by the selling party for the advertiser premiums (and not the amount billed for advertising insertions in SPORTS ILLUSTRATED and/or the CNNSI Site with respect to SI or a TS publication or TS Sites with respect to TS) to the party who had made the sale and [*]% of the net proceeds received to the other party. "Net" as used herein shall mean the amount received for such advertiser premium less the unit cost and any fulfillment, manufacturing, customizing and/or freight costs. Revenues payable by TS to SI shall be payable as set forth in Section 12 and revenues payable by SI to TS shall be payable within sixty (60) days of SI's receipt. In the event that SI makes such an advertiser premium sale, TS shall sell copies of the Book(s) to SI for such advertiser premium use at TS's direct cost to manufacture. The parties acknowledge and agree that copies of the work entitled Twentieth Century Sports purchased and distributed as a premium by SI in connection with its "Twentieth Century Sports Awards" event will be considered as "advertiser premiums" and accounted for in accordance with the provisions of this Section 8.3.