<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
	<periodOfReport>2003-12-12</periodOfReport>
	<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000097745</issuerCik>
        <issuerName>THERMO ELECTRON CORP</issuerName>
        <issuerTradingSymbol>TMO</issuerTradingSymbol>
	</issuer>
	<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001197930</rptOwnerCik>
            <rptOwnerName>SYRON RICHARD F/CA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>81 WYMAN STREET</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 9046</rptOwnerStreet2>
            <rptOwnerCity>WALTHAM</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>024549046</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
			<isDirector>1</isDirector>
			<isOfficer>1</isOfficer>
			<isTenPercentOwner>0</isTenPercentOwner>
			<isOther>0</isOther>
			<officerTitle>Executive Chairman</officerTitle>
		</reportingOwnerRelationship>
	</reportingOwner>
	<nonDerivativeTable>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Common Stock</value>
			</securityTitle>
			<transactionDate>
				<value>2003-12-12</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
				<transactionFormType>4</transactionFormType>
				<transactionCode>M</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
				<footnoteId id="F1"/>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>114100</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>16.43</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>A</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>194420.00</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Common Stock</value>
			</securityTitle>
			<transactionDate>
				<value>2003-12-12</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
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				<transactionCode>M</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>738655</value>
				</transactionShares>
				<transactionPricePerShare>
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				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>A</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
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					<value>933075.00</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
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				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
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			<transactionDate>
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			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
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				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
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					<value>348886</value>
				</transactionShares>
				<transactionPricePerShare>
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				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>A</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1281961.00</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
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				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
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			</securityTitle>
			<transactionDate>
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			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
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			<transactionAmounts>
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				</transactionShares>
				<transactionPricePerShare>
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				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
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				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1368627.00</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
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				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Common Stock</value>
			</securityTitle>
			<transactionDate>
				<value>2003-12-12</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
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				<transactionCode>M</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>201578</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>22.47</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>A</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1570205.00</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Common Stock</value>
			</securityTitle>
			<transactionDate>
				<value>2003-12-12</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
				<transactionFormType>4</transactionFormType>
				<transactionCode>S</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>5000</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>23.85</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>D</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1565205.00</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Common Stock</value>
			</securityTitle>
			<transactionDate>
				<value>2003-12-12</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
				<transactionFormType>4</transactionFormType>
				<transactionCode>S</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>400</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>23.88</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>D</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1564805.00</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
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				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
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		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
			<securityTitle>
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			</securityTitle>
			<transactionDate>
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			<deemedExecutionDate>
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				<transactionCode>S</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
			</transactionCoding>
			<transactionAmounts>
				<transactionShares>
					<value>200</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>23.89</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>D</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1564605.00</value>
				</sharesOwnedFollowingTransaction>
			</postTransactionAmounts>
			<ownershipNature>
				<directOrIndirectOwnership>
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				</directOrIndirectOwnership>
				<natureOfOwnership>
					<value/>
				</natureOfOwnership>
			</ownershipNature>
		</nonDerivativeTransaction>
		<nonDerivativeTransaction>
			<securityTitle>
				<value>Common Stock</value>
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				<value>2003-12-12</value>
			</transactionDate>
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				<transactionFormType>4</transactionFormType>
				<transactionCode>S</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
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			<transactionAmounts>
				<transactionShares>
					<value>2100</value>
				</transactionShares>
				<transactionPricePerShare>
					<value>23.90</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
					<value>D</value>
				</transactionAcquiredDisposedCode>
			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>1562505.00</value>
				</sharesOwnedFollowingTransaction>
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			<ownershipNature>
				<directOrIndirectOwnership>
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					<value/>
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		<nonDerivativeTransaction>
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			<transactionDate>
				<value>2003-12-12</value>
			</transactionDate>
			<deemedExecutionDate>
			</deemedExecutionDate>
			<transactionCoding>
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				<transactionCode>S</transactionCode>
				<equitySwapInvolved>0</equitySwapInvolved>
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			<transactionAmounts>
				<transactionShares>
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				</transactionShares>
				<transactionPricePerShare>
					<value>23.95</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
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			<postTransactionAmounts>
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				<transactionShares>
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				</transactionShares>
				<transactionPricePerShare>
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				<transactionAcquiredDisposedCode>
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			<postTransactionAmounts>
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		<nonDerivativeTransaction>
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			<transactionCoding>
				<transactionFormType>4</transactionFormType>
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				<equitySwapInvolved>0</equitySwapInvolved>
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			<transactionAmounts>
				<transactionShares>
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				</transactionShares>
				<transactionPricePerShare>
					<value>24.00</value>
				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
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			</transactionAmounts>
			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>483505.00</value>
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			<ownershipNature>
				<directOrIndirectOwnership>
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				<footnoteId id="F1"/>
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				<transactionShares>
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				<transactionAcquiredDisposedCode>
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			<postTransactionAmounts>
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			<ownershipNature>
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					<value>800</value>
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				</transactionPricePerShare>
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			<postTransactionAmounts>
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			<ownershipNature>
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				<transactionShares>
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				<transactionPricePerShare>
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			<postTransactionAmounts>
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					<value/>
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				</transactionPricePerShare>
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			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
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			<ownershipNature>
				<directOrIndirectOwnership>
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				<footnoteId id="F1"/>
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				<transactionShares>
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				</transactionShares>
				<transactionPricePerShare>
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				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
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			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>448505.00</value>
				</sharesOwnedFollowingTransaction>
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			<ownershipNature>
				<directOrIndirectOwnership>
					<value>D</value>
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					<value/>
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				<value>Common Stock</value>
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				<value>2003-12-12</value>
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			<deemedExecutionDate>
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				<transactionFormType>4</transactionFormType>
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			<transactionAmounts>
				<transactionShares>
					<value>4000</value>
				</transactionShares>
				<transactionPricePerShare>
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				</transactionPricePerShare>
				<transactionAcquiredDisposedCode>
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			<postTransactionAmounts>
				<sharesOwnedFollowingTransaction>
					<value>444505.00</value>
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			<ownershipNature>
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					<value/>
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		</derivativeTransaction>
	</derivativeTable>
	<footnotes>
		<footnote id="F1">This transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 3, 2003.</footnote>
		<footnote id="F2">The option vests in three equal annual installments beginning on March 14, 2002.</footnote>
		<footnote id="F3">The option vests in three equal annual installments beginning on March 15, 2003.</footnote>
	</footnotes>
	<remarks>Form 1 of 2
	</remarks>
	<ownerSignature>
		<signatureName>By: Barbara J. Lucas, Attorney-in-Fact for Richard F. Syron</signatureName>
		<signatureDate>2003-12-16</signatureDate>
	</ownerSignature>
</ownershipDocument>
[{"type": "4", "sequence": "1", "filename": "syr185.xml", "secsgml_size_bytes": 43375}]
X0201
4
2003-12-12
0
0000097745
THERMO ELECTRON CORP
TMO
0001197930
SYRON RICHARD F/CA
81 WYMAN STREET
P.O. BOX 9046
WALTHAM
MA
024549046
1
1
0
0
Executive Chairman
Common Stock
2003-12-12
4
M
0
114100
16.43
A
194420.00
D
Common Stock
2003-12-12
4
M
0
738655
16.43
A
933075.00
D
Common Stock
2003-12-12
4
M
0
348886
18.27
A
1281961.00
D
Common Stock
2003-12-12
4
M
0
86666
20.27
A
1368627.00
D
Common Stock
2003-12-12
4
M
0
201578
22.47
A
1570205.00
D
Common Stock
2003-12-12
4
S
0
5000
23.85
D
1565205.00
D
Common Stock
2003-12-12
4
S
0
400
23.88
D
1564805.00
D
Common Stock
2003-12-12
4
S
0
200
23.89
D
1564605.00
D
Common Stock
2003-12-12
4
S
0
2100
23.90
D
1562505.00
D
Common Stock
2003-12-12
4
S
0
4800
23.95
D
1557705.00
D
Common Stock
2003-12-12
4
S
0
7000
23.99
D
1550705.00
D
Common Stock
2003-12-12
4
S
0
1067200
24.00
D
483505.00
D
Common Stock
2003-12-12
4
S
0
7900
24.01
D
475605.00
D
Common Stock
2003-12-12
4
S
0
800
24.01
D
474805.00
D
Common Stock
2003-12-12
4
S
0
16200
24.02
D
458605.00
D
Common Stock
2003-12-12
4
S
0
6100
24.03
D
452505.00
D
Common Stock
2003-12-12
4
S
0
4000
24.04
D
448505.00
D
Common Stock
2003-12-12
4
S
0
4000
24.04
D
444505.00
D
Common Stock
2003-12-12
4
S
0
29000
24.05
D
415505.00
D
Common Stock
2003-12-12
4
S
0
8300
24.05
D
407205.00
D
Common Stock
2003-12-12
4
S
0
43900
24.06
D
363305.00
D
Common Stock
2003-12-12
4
S
0
200
24.07
D
363105.00
D
Common Stock
2003-12-12
4
S
0
200
24.07
D
362905.00
D
Common Stock
2003-12-12
4
S
0
300
24.09
D
362605.00
D
Common Stock
2003-12-12
4
S
0
300
24.09
D
362305.00
D
Common Stock
2003-12-12
4
S
0
5200
24.10
D
357105.00
D
Common Stock
2003-12-12
4
S
0
4000
24.10
D
353105.00
D
Common Stock
2003-12-12
4
S
0
800
24.11
D
352305.00
D
Common Stock
2003-12-12
4
S
0
700
24.11
D
351605.00
D
Common Stock
2003-12-12
4
S
0
500
24.13
D
351105.00
D
Stock Option (Right to Buy)
18.27
2003-12-12
4
M
0
348886
0
D
2000-06-30
2007-06-30
Common Stock
348886.00
0.00
D
Stock Option (Right to Buy)
22.47
2003-12-12
4
M
0
201578
0
D
2008-03-14
Common Stock
201578.00
100790.00
D
Stock Option (Right to Buy)
20.27
2003-12-12
4
M
0
86666
0
D
2009-03-15
Common Stock
86666.00
173334.00
D
Stock Option (Right to Buy)
16.43
2003-12-12
4
M
0
114100
0
D
1999-06-01
2006-06-01
Common Stock
114100.00
738655.00
D
Stock Option (Right to Buy)
16.43
2003-12-12
4
M
0
738655
0
D
1999-06-01
2006-06-01
Common Stock
738655.00
0.00
D
This transaction reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 3, 2003.
The option vests in three equal annual installments beginning on March 14, 2002.
The option vests in three equal annual installments beginning on March 15, 2003.
Form 1 of 2
By: Barbara J. Lucas, Attorney-in-Fact for Richard F. Syron
2003-12-16