SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
THIMJON DONALD H
(Last) (First) (Middle)
225 WEST STATION SQUARE DRIVE, SUITE 700
(Street)
PITTSBURGH PA 15219
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
WESCO INTERNATIONAL INC [ WCC ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
VICE PRESIDENT, OPERATIONS
3. Date of Earliest Transaction (Month/Day/Year)
08/03/2004
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
WESCO International Common Stock 102,692 D
WESCO International Common Stock 08/03/2004 S 1,000 D $20.6 101,692 D
WESCO International Common Stock 08/03/2004 S 1,000 D $20.21 100,692 D
WESCO International Common Stock 08/03/2004 S 1,000 D $20.34 99,692 D
WESCO International Common Stock 08/03/2004 S 1,000 D $20.43 98,692 D
WESCO International Common Stock 08/03/2004 S 1,000 D $20.37 97,692 D
WESCO International Common Stock 08/03/2004 S 2,000 D $20.2 95,692 D
WESCO International Common Stock 08/03/2004 S 1,000 D $20.29 94,692 D
WESCO International Common Stock 08/03/2004 S 1,000 D $20.22 93,692 D
WESCO International Common Stock 08/03/2004 S 500 D $20.32 93,192 D
WESCO International Common Stock 08/03/2004 S 500 D $20.48 92,692 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option for WESCO International Common Stock $1.73 01/06/2004 D 148,546 (1) 07/27/2004 WESCO International Common Stock 148,546 $6.904(2) 0 D
Option for WESCO International Common Stock $1.73 01/06/2004 D 16,762 (1) 03/17/2005 WESCO International Common Stock 16,762 $6.904(2) 0 D
Option for WESCO International Common Stock $10.75 (3) 08/06/2008 WESCO International Common Stock 127,160 127,160 D
Option for WESCO International Common Stock $9.875 (4) 05/11/2010 WESCO International Common Stock 35,000 162,160 D
Option for WESCO International Common Stock $4.5 (4) 12/21/2011 WESCO International Common Stock 35,000 197,160 D
Option for WESCO International Common Stock $5.9 08/22/2003 A 38,000 (5) 08/22/2013 WESCO International Common Stock 38,000 $5.9 235,160(6) D
Explanation of Responses:
1. Options are fully vested and exercisable
2. The price of the options disposed is equal to the average closing price of the Company's Common Stock on the New York Stock Exchange over a five-day trading period, less the option exercise price.
3. Half of the options granted vested over a four-year time period beginning with the grant date, with the remaining half being subject to accellerated vesting based on performance. Any options not yet vested become vested effective 1/1/2008.
4. Options are subject to performance vesting, with any unvested options becoming vested 90 days prior to the expiration date of such options.
5. Options vest at a rate of 1/3 per year on the anniversary date of the option grant over the next three years.
6. Cumulative Number of Derivative Securities Beneficially Owned column totals corrected (Table II, Item 9).
Remarks:
/s/ Donald H. Thimjon 08/04/2004
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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