Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
NOBLE WILLIAM B
   2. Issuer Name and Ticker or Trading Symbol
WD 40 CO [WDFC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Managing Director, Europe
(Last)
(First)
(Middle)
BRICK CLOSE, KIIN FARM		 3. Date of Earliest Transaction (Month/Day/Year)
09/18/2008
(Street)

MILTON KEYNES, X0 MK1 13LJ		 4. If Amendment, Date 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
(City)
(State)
(Zip)
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
Common Stock 09/18/2008   M   4,800 A $ 27.67 10,271 (1) D  
Common Stock 09/18/2008   S   4,800 D $ 38.5 5,471 (1) D  

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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 Underlying Securities
(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 of Derivative Security: 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
Non-qualified Stock Option $ 27.67 09/18/2008   M     4,800 10/19/2005 10/19/2014 Common Stock 4,800 $ 27.67 64,900 (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
NOBLE WILLIAM B
BRICK CLOSE
KIIN FARM
MILTON KEYNES, X0 MK1 13LJ		       Managing Director, Europe  

Signatures

 Maria M. Mitchell as Attorney-In-Fact for William B. Noble   09/18/2008
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Total includes 3971 Restricted Stock Units.
(2) This Footnote reflects number of derivative securities held as of last transaction of this Form 4. Non Qualified Stock Option (NQSO) 5000 shares exercisable 09/28/00 at $23.50 exp. 09/28/09; NQSO 5000 shares exercisable 09/26/01 at $20.813 exp. 09/26/10; NQSO 100 shares exercisable 09/25/02 at $20.75 exp. 09/26/11; NQSO 600 shares exercisable 9/24/03 at $27.56 exp. 09/24/12; NQSO 10000 shares (3400 exercisable 09/23/04; 3300 exercisable 09/23/05; 3300 exercisable 09/23/06) at $29.30 exp. 09/24/13; NQSO 5200 shares (3400 exercisable 10/19/05; 3300 exercisable 10/19/06; 3300 exercisable 10/19/07) at $27.67 exp. 10/19/14; NQSO 9000 shares (3060 exercisable 10/18/06; 2970 exercisable 10/18/07; 2970 exercisable 10/18/08) at $27.27 exp. 10/18/15.NQSO 10000 shares (3400 exercisable 10/17/07, 3300 exercisable 10/17/08, 3300 exercisable 10/17/09) at $35.99 exp. 10/17/16; NQSO 20000 shares 6800 exercisable 10/16/08, 6600 exercisable 10/16/09, 6600 exercisable 10/16/10) at $36.03 exp. 10/16/17.

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