EMERSON ELECTRIC CO
LETTER OF AGREEMENT
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<FONT FACE="Courier New" SIZE=2><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibit 10(a)</P>
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<P><FONT FACE="Courier New" SIZE=2>December 19, 2002</P>
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<P>Mr. David N. Farr<BR>
Chief Executive Officer<BR>
Emerson Electric Co.<BR>
8000 W. Florissant Ave.<BR>
St. Louis, MO 63136</P>
<P>Dear David:</FONT></TD>
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<FONT FACE="Courier New" SIZE=2><P>I am writing to confirm our discussions on September 30, 2002 about my compensation for the recently concluded fiscal year (2002). As you know, during the year I was paid monthly at the annual rate of $700,000. As my employment agreement (dated December 11, 2000) calls for minimum compensation of $900,000 per year, we envisioned that the difference would be part of any bonus award to me by Emerson.</P>
<P>As we discussed, in light of the continuing problems with the economy and their impact on Emerson's performance, I elected to forego any further compensation for the year. My waiver of compensation applies only to this past year, and my employment agreement remains in effect in all respects for future years.</FONT></TD>
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<P><FONT FACE="Courier New" SIZE=2>Sincerely,</P>
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<U><P>/s/ Charles F. Knight&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>
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</U>&nbsp;&nbsp;&nbsp;&nbsp;Charles F. Knight</P>
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