Reference Index means each of the indices comprising the Reference Portfolio.
HICP Daily Inflation Reference Index means (A) in relation to the first day of any given month, the HICP Monthly Reference Index of the third month preceding such month, and (B) in relation to a day (D) (other than the first day) in any given month (M), the linear interpolation of the HICP Monthly Reference Index pertaining respectively to the third month preceding such month (M - 3) and the second month preceding such month (M - 2) calculated in accordance with the following formula:
CPI Daily Inflation Reference Index means (A) in relation to the first day of any given month, the CPI Monthly Reference Index of the third month preceding such month, and (B) in relation to a day (D) (other than the first day) in any given month (M), the linear interpolation of the CPI Monthly Reference Index pertaining respectively to the third month preceding such month (M - 3) and the second month preceding such month (M - 2) calculated in accordance with the following formula:
Base Index Figure means (subject to Condition 4.3(i)) the base index figure as specified in the relevant Final Terms;
Index Sponsor means the sponsor or publisher of an Index.