QuickLinks -- Click here to rapidly navigate through this documentEXHIBIT 24
POWER OF ATTORNEY
Each person whose signature appears below hereby authorizes Jack C. Wauchope as attorney-in-fact, to sign in his or her behalf, individually and in each capacity stated below, and to file this Registration Statement on Form S-8 and all amendments and/or supplements to this Registration Statement on Form S-8.
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/s/ JACK C. WAUCHOPE Jack C.Wauchope, | | Director, President, and Principal Executive Officer | | March 19, 2002 |
/s/ MARILYN M. BRITTON Marilyn M. Britton | | Director | | March 19, 2002 |
/s/ DARIO A. DOMENGHINI Dario A. Domenghini | | Director | | March 19, 2002 |
/s/ JOHN F. GUHRING John F. Guhring | | Director | | March 19, 2002 |
/s/ JAMES A. KANEY James A. Kaney | | Director | | March 19, 2002 |
/s/ MICHAEL A. LADY Michael A. Lady | | Director | | March 19, 2002 |
/s/ GENE D. MINTZ Gene D. Mintz | | Director | | March 19, 2002 |
Ronald. R. Olson | | Director | | March , 2002 |
/s/ JACK W. ROBASCIOTTI Jack W. Robasciotti | | Director | | March 19, 2002 |
/s/ THOMAS J. SHERMAN Thomas J. Sherman | | Executive Vice President Principal Financial Officer and Director | | March 19, 2002 |
/s/ DAN H. WIXOM Dan H. Wixom | | Director | | March 19, 2002 |
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POWER OF ATTORNEY