CONFIRMING STATEMENT



This Statement confirms that the undersigned has authorized and designated

DIANE L. KELLEHER and R. BLAIR REYNOLDS, or either of them, to execute

and file on behalf of the undersigned all Forms 3, 4 and 5 (including any

amendments thereto) that the undersigned may be required to file with the

United States Securities and Exchange Commission as a result of the

undersigned?s ownership of, or transactions in, securities of AMERICANWEST

BANCORPORATION. Unless earlier revoked by the undersigned in writing, the

authority granted pursuant to this Statement shall continue until such time as

the undersigned is no longer required to file Forms 3, 4 or 5 with regard to

securities of AMERICANWEST BANCORPORATION. The undersigned

understands and acknowledges that neither of the authorized persons set forth

above nor AMERICANWEST BANCORPORATION is assuming any

responsibility of the undersigned to comply with Section 16 of the Securities

Exchange Act of 1934.



Dated this _6th_____ day of ___June____________, 2005__.



/s/ Diane Lea Kelleher

_______________________________________



Print Name: __Diane Lea Kelleher_________