Common use of Advance Payment Base Price Clause in Contracts

Advance Payment Base Price. For advance payment purposes, the following estimated delivery prices of the Aircraft (Advance Payment Base Price) have been established, using currently available forecasts of the escalation factors used by Boeing as of the date of signing this Agreement. The Advance Payment Base Price of each Aircraft is set forth below: Month and Year of Advance Payment Base Scheduled Delivery Price per Aircraft ------------------ -------------------- Block A Aircraft *** -------------------- October 1997 November 1997 Block B Aircraft *** -------------------- January 1998 February 1998 March 1998 April 1998 May 1998 June 1998 July 1998 September 1998 Block C Aircraft *** -------------------- February 1999 May 1999 July 1999 September 1999 Block D Aircraft *** -------------------- January 2000 March 2000 July 2000 September 2000 Block E Aircraft *** -------------------- January 2001 March 2001 July 2001

Advance Payment Base Price. For advance payment purposes, the following estimated delivery prices of the Aircraft (Advance Payment Base Price) have been established, using currently available forecasts of the escalation factors used by Boeing as of the date of signing this Agreement. The Advance Payment Base Price of each Aircraft is set forth below: Month and Year of Advance Payment Base Scheduled Delivery Price per Aircraft ------------------ -------------------- Block A Aircraft *** -------------------- ---------------- October 1997 November 1997 Block B Aircraft *** -------------------- November 1997 *** Xxxxx X Xxxcraft *** ---------------- January 1998 *** February 1998 *** March 1998 *** April 1998 *** May 1998 *** June 1998 *** July 1998 *** September 1998 *** Block C Aircraft *** -------------------- ---------------- February 1999 May 1999 July 1999 September 1999 Block D Aircraft *** -------------------- January 2000 March 2000 July 2000 September 2000 Block E Aircraft May 1999 *** -------------------- January 2001 March 2001 July 20011999 *** August 1999 *** September 1999 ***

Advance Payment Base Price. For advance payment purposes, the following estimated delivery prices of the Aircraft (Advance Payment Base Price) have been established, using currently available forecasts of the escalation factors used by Boeing as of the date of signing this Agreement. The Advance Payment Base Price of each Aircraft is set forth below: Month and Year of Advance Payment Base Scheduled Delivery Price per Aircraft ------------------ -------------------- Block A Aircraft ---------------- October 1997 $*** -------------------- October 1997 November 1997 Block B Aircraft $*** -------------------- Xxxxx X Xxxcraft ---------------- January 1998 February 1998 March 1998 April 1998 May 1998 June 1998 July 1998 September 1998 Block C Aircraft $*** -------------------- February 1999 May 1999 July 1999 September 1999 Block D Aircraft 1998 $*** -------------------- January 2000 March 2000 July 2000 September 2000 Block E Aircraft 1998 $*** -------------------- January 2001 March 2001 April 1998 $*** May 1998 $*** June 1998 $*** July 20011998 $*** September 1998 $***

Advance Payment Base Price. For advance payment purposes, the following estimated delivery prices of the Aircraft (Advance Payment Base Price) have been established, using currently available forecasts of the escalation factors used by Boeing as of the date of signing this Agreement. The Advance Payment Base Price of each Aircraft is set forth below: Month and Year of Advance Payment Base Scheduled Delivery Price per Aircraft ------------------ -------------------- ------------------ Block A Aircraft *** -------------------- ---------------- October 1997 November 1997 Block B Aircraft *** -------------------- ---------------- January 1998 February 1998 March 1998 April 1998 May 1998 June 1998 July 1998 September 1998 Block C Aircraft *** -------------------- ---------------- February 1999 May 1999 July 1999 August 1999 September 1999 Block D Aircraft *** -------------------- ---------------- November 1999 December 1999 January 2000 March 2000 July 2000 September 2000 Block E Aircraft *** -------------------- January 2001 March 2001 July 20012000