JOINT FILING AGREEMENT


This JOINT FILING AGREEMENT is made and entered into by and among Iridian Asset
Management LLC, The Governor and Company of the Bank of Ireland, BIAM Holdings,
BancIreland (US) Holdings, Inc., and BIAM (US) Inc.

The parties to this Agreement hereby agree to prepare jointly and file timely
(or otherwise deliver as appropriate) all filings on Schedule 13D and Schedule
13G (the "Filings") required to be filed by them pursunat to Section 13(d) or
13(g) under the Securities Exchange Act of 1934, as amended, with respect to
their respective ownership of any securities of Ball Corporation that are
requireed to be reportd on any Filings. Each party to this Agreement further
agrees and covenants to the other parties that it will fully cooperate with such
other parties in the preparation and timely filing (and other delivery) of all
such Filings.

Date: February 5, 2007



IRIDIAN ASSET MANAGEMENT LLC

By: /s/ Jeffrey M. Elliott
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Jeffrey M. Elliott
Executive Vice President


THE GOVERNOR AND COMPANY OF THE BANK OF IRELAND

By: /s/ John Clifford
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John Clifford
Group Secretary


BIAM HOLDINGS

By: /s/ Sean O'Dwyer
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Sean O'Dwyer
Director


BANCIRELAND (US) HOLDINGS, INC.

By: /s/ Diane Morrison
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Diane Morrison
Director

BIAM (US) INC.

By: /s/ Diane Morrison
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Diane Morrison
Director