Common use of Reference Period Clause in Contracts

Reference Period. The above Reference Price has been established in accordance with the economic conditions prevailing in December 2000 as defined, according to PRATT AND WHITNEY by the HEb, ICb index values indica▇▇▇ ▇n Clause 4 of this Exhibit C.

Reference Period. The above Reference Price has been established in accordance with the economic conditions prevailing in December 2000 1998, as defined, according to PRATT AND WHITNEY ▇▇▇▇▇ & Whitney, by the HEb, HEb and ICb index values indica▇▇▇ ▇n Clause indicated in Paragraph 4 of this Exhibit C.E.

Reference Period. The above Reference Price has been established in accordance with the average economic conditions prevailing in December 2000 1999, January 2000, February 2000, as defined, according to PRATT AND WHITNEY ROLLS ROYCE, by the HEbECIb, ICb MMPb, EPb index values indica▇▇▇ ▇n indicated in Clause 4 of this Exhibit C.H.

Reference Period. The above Reference Price has been established in accordance with the economic conditions prevailing in December 2000 1996, as defined, according to PRATT AND WHITNEY ▇▇▇▇▇ & ▇▇▇▇▇▇▇, by the HEb, ICb MMPb and EPb index values indica▇▇▇ ▇n Clause indicated in Paragraph 4 of this Exhibit C."H-1."

Reference Period. The above Reference Price has been established in accordance with the economic conditions prevailing in December 2000 February 2001, as defined, according to PRATT AND WHITNEY ▇▇▇▇▇ & Whitney, by the HEb, HEb and ICb index values indica▇▇▇ ▇n Clause indicated in Paragraph 4 of this Exhibit C.E.