Ball (BALL) 10-Q 2005 Q1 Quarterly report

Exhibit 32

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. Section 1350

and Rule 13a-14(b) or Rule 15d-14(b)

My name is R. David Hoover and I am the Chairman of the Board, President and Chief Executive Officer of Ball Corporation (the “Company”).

I hereby certify pursuant to 18 U.S.C. Section 1350 as adopted by Section 906 of the Sarbanes–Oxley Act of 2002 that to the best of my knowledge and belief:

(1) the Quarterly Report on Form 10-Q for the quarter ended April 3, 2005, filed with the U.S. Securities and Exchange Commission on May 13, 2005 (“Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 as amended; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of the operations of Ball Corporation as of, and for, the periods presented in the Report.

/s/ R. David Hoover

R. David Hoover

Chairman of the Board, President and Chief Executive Officer

Ball Corporation

Date: May 13, 2005

This certification accompanies the Form 10-Q to which it relates, is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Form 10-Q), irrespective of any general incorporation language contained in such filing.

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

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Exhibit 32 (continued)

Certification of Chief Financial Officer

Pursuant to 18 U.S.C. Section 1350

and Rule 13a-14(b) or Rule 15d-14(b)

My name is Raymond J. Seabrook and I am the Senior Vice President and Chief Financial Officer of Ball Corporation (the “Company”).

I hereby certify pursuant to 18 U.S.C. Section 1350 as adopted by Section 906 of the Sarbanes–Oxley Act of 2002 that to the best of my knowledge and belief:

(1) the Quarterly Report on Form 10-Q for the quarter ended April 3, 2005, filed with the U.S. Securities and Exchange Commission on May 13, 2005 (“Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 as amended; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of the operations of Ball Corporation as of, and for, the periods presented in the Report.

/s/ Raymond J. Seabrook

Raymond J. Seabrook

Senior Vice President and Chief Financial Officer

Ball Corporation

Date: May 13, 2005

This certification accompanies the Form 10-Q to which it relates, is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Form 10-Q), irrespective of any general incorporation language contained in such filing.

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

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