America West Holdings Corp Watch

from SC 13G/A 1 page Exhibit 1 Joint Filing Agreement This Will Confirm the Agreement by and Among the Undersigned That the Schedule 13g/a Filed With the Securities and Exchange Commission on or About the Date Hereof With Respect to the Beneficial Ownership by the Undersigned of the Common Stock of America West Holdings Corporation Is Being Filed, and All Amendments Thereto Will Be Filed, on Behalf of Each of the Persons and Entities Named Below in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. This Agreement May Be Executed in Two or More Counterparts, Each of Which Shall Be Deemed an Original, but All of Which Together Shall Constitute One and the Same Instrument. Dated: May 10, 2005 Highbridge International LLC By: /S/ Howard Feitelberg Howard Feitelberg, Director Highbridge Capital Corporation By: /S/ Howard Feitelberg Howard Feitelberg, Controller Highbridge Capital Management, LLC By: /S/ Carolyn Rubin Carolyn Rubin, Deputy General Counsel Highbridge Master L.P. By: Highbridge GP, Ltd. By: /S/ Clive Harris Clive Harris, Director Highbridge Capital L.P. By: Highbridge GP, LLC By: /S/ Clive Harris Clive Harris, Director Highbridge GP, Ltd. By: /S/ Clive Harris Clive Harris, Director Highbridge GP, LLC By: /S/ Clive Harris Clive Harris, Director /S/ Glenn Dubin - Glenn Dubin /S/ Henry Swieca - Henry Swieca

from SC 13G 1 page Exhibit 1 Joint Filing Agreement This Will Confirm the Agreement by and Among the Undersigned That the Schedule 13g Filed With the Securities and Exchange Commission on or About the Date Hereof With Respect to the Beneficial Ownership by the Undersigned of the Common Stock of America West Holdings Corporation Is Being Filed, and All Amendments Thereto Will Be Filed, on Behalf of Each of the Persons and Entities Named Below in Accordance With Rule 13d-1(k) Under the Securities Exchange Act of 1934, as Amended. This Agreement May Be Executed in Two or More Counterparts, Each of Which Shall Be Deemed an Original, but All of Which Together Shall Constitute One and the Same Instrument. Dated: February 14, 2005 Highbridge International LLC By: /S/ Howard Feitelberg Howard Feitelberg, Director Highbridge Capital Corporation By: /S/ Howard Feitelberg Howard Feitelberg, Controller Highbridge Capital Management, LLC By: /S/ Ronald S. Resnick Ronald S. Resnick, Managing Partner /S/ Glenn Dubin - Glenn Dubin /S/ Henry Swieca - Henry Swieca

from SC 13D/A ~5 pages Underwriting agreement