4. Royalty fee4.1. The Royalty fees due in respect of this License are set out in Schedule 2 annexed hereto as being an integral part of this Agreement4.2. The Licensee shall pay the royalty fees to MPC in the amounts and at the times specified in Schedule 3, time being of the essence.4.3. The license fee for any additional area or branches will be pro-rated according to the time remaining until the end of each license period.