Exhibit 24
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Power of Attorney
The undersigned hereby appoint Gregg R. Sadler as attorney-in-fact, to execute
in name and on behalf of the undersigned the Form 10-K Annual Report of
LabOne, Inc., to be filed with the Securities and Exchange Commission for its
fiscal year ended December 31, 1999.
Dated: February 11, 2000
/s/ Joseph H. Brewer MD
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Joseph H. Brewer, MD, Director
/s/ Peter C. Brown
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Peter C. Brown Director
/s/ William D. Grant
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William D. Grant, Director
/s/ Richard A. Rifkind
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Richard A. Rifkind, MD, Director
/s/ Richard S. Schweiker
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Richard S. Schweiker, Director
/s/ James R. Seward
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James R. Seward, Director
/s/ Janet M. Stallmeyer
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Janet M. Stallmeyer, Director
/s/ Chester B. Vanatta
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Chester B. Vanatta, Director
/s/ John E. Walker
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John E. Walker, Director
/s/ R. Dennis Wright
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R. Dennis Wright, Director
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