2  ANNUAL SERVICE PAYMENT

Calculate the Annual Service Payment for any Contract Year "n" using the following formula:

where:

ASPn  is the Annual Service Payment for the relevant Contract Year;

ASPo  is the value for ASPo stated in Appendix 1 to this Schedule Part 14 (Payment Mechanism) (being the Annual Service Payment at the Base Date), subject to any adjustments made from time to time in accordance with any express provision of this Agreement;

IF is the indexation factor being [    ]%;

RPIn is the value of the [Retail Prices Index] published or determined with respect to the month of February which most recently precedes the relevant Contract Year; and

RPIo is the value of the [Retail Prices Index] published or determined with respect to the Base Date.