POWER OF ATTORNEY

POWER OF ATTORNEY


KNOW ALL BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints Janice L. Rodriguez as his true
and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in
the undersigned's capacity as a director 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 her 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 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 26th day of January 2011.

Signature: /s/ R. David Hoover

Printed Name: R. David Hoover