EDGAR SUPPORTING DOCUMENT

POWER OF ATTORNEY


KNOW ALL BY THESE PRESENTS, that the undersigned
hereby constitutes and appoints David A. Westerlund and
Charles E. Baker and Robert W. McClelland, and each of them
acting or signing alone, as his or her true and lawful attorney-
in-fact to:

(1) execute for and on behalf of the undersigned, in
the undersigned's capacity as an officer of Ball Corporation
(the "Company"), any and all reports required to be filed by
the undersigned in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;

(2) do and perform any and all acts for and on
behalf of the undersigned which may be necessary or desirable
to complete and execute any such Form 3, 4 or 5 or other
required report and timely file such report with the United
States Securities and Exchange Commission and any stock
exchange or similar authority; and

(3) take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest of, or
legally required by, the undersigned, it being understood that
the documents executed by such attorney-in-fact on behalf of
the undersigned, pursuant to this Power of Attorney, shall be
in such form and shall contain such terms and conditions as
such attorney-in-fact may approve in his discretion.

The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform each and every act
and thing whatsoever requisite, necessary, and proper to be
done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the undersigned
might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all
that such attorney-in-fact, or his or her substitute or
substitutes, shall lawfully do or cause to be done by virtue of
this Power of Attorney and the rights and powers herein
granted. The undersigned acknowledges that no such attorney-
in-fact, in serving in such capacity at the request of the
undersigned, is hereby assuming, nor is the Company hereby
assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file reports under
Section 16 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier
revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as of this 17th day of January
2005.

Signature: /s/ John R. Friedery

Printed Name: John R. Friedery